IT Essentials Chapter 11 v5.0

jawaban ada pada text berwarna merah.

1. Which two actions should a technician take if illegal content, such as child pornography, is discovered on the hard drive of a customer computer? (Choose two.)

• Contact a first responder.*
• Confront the customer immediately.
• Shut down the computer until authorities arrive.
• Document as much information as possible.*
• Remove and destroy the hard drive.

2. What is the definition of cyber law?

• a single law defining criminal acts that are committed online
• a contract that defines expectations between and organization and IT service vendors for an agreed upon level of support
• the process of collecting and analyzing data from computer systems, networks, wireless communications, and storage devices
• the collection of international, country, and local laws that affect computer security professionals*

3. When performing computer forensics, what can be prevented with a properly and carefully documented chain of custody?

• identity theft
• copying of copyrighted materials
• evidence tampering*
• cyber crime

4. During the process of troubleshooting, a technician gains access to customer private information. What is expected that the technician do with this information?

• Send this information to the manager of the customer.
• Back up the information just in case the customer needs it some day.
• Document all information in a log file.
• Send this information to the technician manager.
• Keep it confidential.*

5. Refer to the exhibit. During the troubleshooting of software that is installed on a computer system, a level one technician requires help from a level two technician. The file shown in the exhibit must be sent to the level two technician. How should the level one technician deliver this file?

• Send the file as it is to the level two technician.
• Deliver the file in printed format only.
• Replace all passwords in the file with before emailing the file and then supply the passwords by secure means, if required.*
• This file should not be shared with the level two technician.

6. What are two sections that are usually included in an SLA? (Choose two.)

• supported equipment and software*
• home contact information of the technician
• service provider part suppliers
• time of service availability*
• contact information of other clients

7. Which two rules pertain to the general daily activities of employees in a call center environment? (Choose two.)

• The technician should contact the customer if the technician is going to be late for a follow-up appointment.*
• The technician should adjust the work chair to a height that is high enough so that wrists angle downwards toward the keyboard.
• The technician should be sure to treat all customers equally.*
• If a customer complains about another technician, the technician who is taking the call should agree with opinion of the customer.
• If a technician takes a call from a customer the technician does not like, the technician should pass the call to another technician.

8. Which statement describes a best practice related to time management?

• The technician can take the call of another technician, even without permission to do so.
• The technician should give better service to a customer for whom the technician feels more sympathy.
• The technician should take the easier calls first, regardless of the urgency.
• The technician should make sure to call the customer back as close to the callback time as possible.*

9. Which two statements are correct about level one and level two technicians? (Choose two.)

• Level two technicians usually respond to the “down calls” as they may be able to resolve them faster.*
• Level one technicians usually work on the problems that require opening up the computer case.
• Level two technicians are often referred to as “incident screeners,” and level one technicians are often referred to as “product specialists.”
• Level two technicians are usually more knowledgeable about technology than the level one technicians are.*
• Level two technicians prepare a work order and escalate it to a level one technician if a problem cannot be resolved within ten minutes.

10. What should a level two technician do immediately after receiving an escalated work order from a level one technician?

• Call the customer back to ask any additional questions and resolve the problem.*
• Call the level one technician and ask questions about the problem.
• Document suggestions to solve the problem in the work order and return it to the level one technician.
• Send the work order to a level three technician and ask for support.

11. A customer calls to report a computer problem. Which two actions can the technician take to establish a good rapport with the customer? (Choose two.)

• Use technical terms to determine the level of knowledge the customer possesses.
• Allow the customer to speak without interruption.*
• Personalize the call by periodically asking questions unrelated to the computer problem.
• Refer to the customer by name whenever possible.*
• Ask only closed-ended questions.

12. What is the correct way to conduct a telephone call to troubleshoot a computer problem?

• Always gather information from the customer and escalate the problem.
• Ask personal questions to get better acquainted with the customer.
• Explain each step to help the customer understand the troubleshooting process.
• Maintain professional behavior at all times.*

13. A technician receives a call from a customer who is too talkative. How should the technician handle the call?

• Politely step in and gain control of the call by asking the customer social questions.
• Allow the customer to speak without interruption and then try to use closed-ended questions to gather data.*
• Use open-ended questions and repeat all the information back to the customer to politely show that unnecessary information is being given.
• Talk over the customer and quickly gather the necessary information to be of help.

14. What are two examples of displaying professional communication skills while talking to a customer? (Choose two.)

• focusing on what you cannot do to give customers an idea of the magnitude of the problem
• clarifying what customers say after they have finished their explanations*
• interrupting customers with a question to gather more information
• asking customers to paraphrase their explanations
• the use of active listening, with occasional interjections such as “I see” or “I understand”*

15. What are three pieces of information a level one technician should gather from a customer? (Choose three.)

• details of any recent changes to the computer*
• description of the problem*
• output from diagnostic software
• output from a remote connection to the customer computer
• current CMOS settings
• contact information*

16. Which situation would require that a support desk call be given the highest priority?

• A couple of computers have operating system errors.
• The company cannot operate because of a system failure.*
• Some computers cannot log in to the network.
• Two users are requesting an application enhancement.
• A user is requesting a RAM memory upgrade.

17. Which two data storage locations contain persistent data that can be used by computer forensics specialists? (Choose two.)

• solid state drives*
• CPU registers
• RAM
• hard disk drives*
• cache

18. In a computer forensics investigation, which type of data is considered volatile data and can be lost if power is removed from the computer?

• data in transit between RAM and the CPU*
• data stored on an internal drive
• data stored on an external drive
• data stored on magnetic disks

19. What customer support procedure would likely cause an upset customer to become more upset?

• Ask the customer to do obvious or unnecessary steps.*
• Reiterate that you want to solve the problem.
• Follow a step-by-step approach to solving the problem.
• Apologize for the wait time if there has been no wait time.

20. What name is given to a certain set of general rules that apply to written communication over the Internet?

• flame wars
• online interactions
• Internet slang
• netiquette*

21. When performing computer forensics what is required to prove a chain of custody?

• an admission of guilt
• collected evidence
• proper documentation procedures*
• expert testimony

22. What is a reason to escalate a problem from a level one technician to a level two technician?

• when the equipment needs to be rebooted
• when the screen resolution of a customer PC needs to be adjusted
• when drivers, applications, or operating systems need to be installed*
• when a peripheral device needs to be replaced

IT Essentials Chapter 10 v5.0

jawaban ada pada text berwarna merah.

1. A user receives a phone call from a person who claims to represent IT services and then asks that user for confirmation of username and password for auditing purposes. Which security threat does this phone call represent?

• social engineering*
• anonymous keylogging
• spam
• DDoS

2. Which two security precautions will help protect a workplace against social engineering? (Choose two.)

• ensuring that each use of an access card allows access to only one user at the time*
• ensuring that all operating system and antivirus software is up to date
• encrypting all sensitive data stored on the servers
• performing daily data backups
• registering and escorting all visitors to the premises*

3. What are two typical physical security precautions that a business can take to protect its computers and systems? (Choose two.)

• Perform daily data backups.
• Replace any software firewalls with a hardware firewall.
• Implement biometric authentication.*
• Ensure that all operating system and antivirus software is up to date.
• Disable the autorun feature in the operating system.*

4. Which physical security technology can hold user authentication information, include software license protection, provide encryption, and provide hardware and software authentication that is specific to the host system?

• biometric authentication
• Trusted Platform Module (TPM)*
• card key access
• two-factor security

5. It has been noted that the computers of employees who use removable flash drives are being infected with viruses and other malware. Which two actions can help prevent this problem in the future? (Choose two.)

• Set virus protection software to scan removable media when data is accessed.*
• Configure the Windows Firewall to block the ports that are used by viruses.
• Enable the TPM in the CMOS settings.
• Repair, delete, or quarantine the infected files.
• Disable the autorun feature in the operating system.*

6. In which situation would a computer technician use the fixmbr command at the command prompt of a Windows XP computer to resolve a security issue?

• when unauthorized users have changed the CMOS settings and the CMOS password must be reset
• when a virus has damaged the master boot record of the system disk*
• when a virus has damaged the boot sector of the system disk
• when the folder permissions for user members of a group are incorrect

7. All users working with a particular Windows 7 computer are able to install unauthorized software. In addition to educating the users about correct security behavior, which action should also be performed to solve this issue?

• Set the user folder permissions to Deny.
• Disable the users’ accounts.
• Change the user file permissions to Read Only.
• Enable UAC on the computer.*

8. You want to dispose of a 2.5 terabyte hard drive that contains confidential financial information. What is the recommended procedure to achieve this?

• Use data wiping.
• Drill through the HDD.
• Smash the platters with a hammer.*
• Immerse the HDD in a weak solution of bicarbonate of soda.

9. What is the most effective way of securing wireless traffic?

• WPA2*
• SSID hiding
• WEP
• wireless MAC filtering

10. Which two items are used in asymmetric encryption? (Choose two.)

• a token
• a TPM
• a private key*
• a DES key
• a public key*

11. Which two characteristics describe a worm? (Choose two.)

• hides in a dormant state until needed by an attacker
• infects computers by attaching to software code
• executes when software is run on a computer
• is self-replicating*
• travels to new computers without any intervention or knowledge of the user*

12. Which type of security threat uses email that appears to be from a legitimate sender and asks the email recipient to visit a website to enter confidential information?

• worm
• phishing*
• adware
• stealth virus

13. Which three questions should be addressed by organizations developing a security policy? (Choose three.)
How should future expansion be done?

• What are the possible threats to the assets of the organization?*
• What is to be done in the case of a security breach?*
• When do the assets need protecting?
• What assets require protection?*
• What insurance coverage is required?

14. What does a malware detection program look for when running a scan?

• a service pack
• patterns in the programming code of the software on a computer*
• mirror sites
• patches that prevent a newly discovered virus or worm from making a successful attack

15. Port triggering has been configured on a wireless router. Port 25 has been defined as the trigger port and port 113 as an open port. What effect does this have on network traffic?

• Any traffic that is using port 25 going out of the internal network will also be allowed to transmit out port 113.
• All traffic that is sent into port 25 to the internal network will also be allowed to use port 113.
• All traffic that is sent out port 25 will open port 113 to allow inbound traffic into the internal network through port 113.*
• Any traffic that comes into port 25 allows outgoing port 113 to be used.

16. Which two characteristics of network traffic are being monitored if a network technician configures the company firewall to operate as a packet filter? (Choose two.)

• packet size
• physical addresses
• protocols*
• packet speed
• ports*

17. What is the primary goal of a DoS attack?

• to facilitate access to external networks
• to prevent the target server from being able to handle additional requests*
• to scan the data on the target server
• to obtain all addresses in the address book within the server

18. Which question would be an example of an open-ended question that a technician might ask when troubleshooting a security issue?

• Have you scanned your computer recently for viruses?
• What symptoms are you experiencing?*
• Did you open any attachments from a suspicious email message?
• Is your security software up to date?

19. Which action would help a technician to determine if a denial of service attack is being caused by malware on a host?

• Install rogue antivirus software on the host.
• Log on to the host as a different user.
• Disable ActiveX and Silverlight on the host.
• Disconnect the host from the network.*

20. A technician is troubleshooting a computer security issue. The computer was compromised by an attacker as a result of the user having a weak password. Which action should the technician take as a preventive measure against this type of attack happening in the future?

• Ensure the security policy is being enforced.*
• Check the computer for the latest OS patches and updates.
• Scan the computer with protection software.
• Verify the physical security of all offices.

21. A user has reported that a computer web browser will not display the correct home page even if the default page is reset. What is the likely cause of this problem?

• A virus has damaged the boot sector of the system disk.
• The computer has been infected with spyware.*
• UAC has been disabled on the computer.
• Folder permissions have been changed from Deny to Allow.

22. What is the name given to the programming-code patterns of viruses?

• mirrors
• signatures*
• virus definition tables
• grayware

IT Essentials Chapter 9 v5.0

jawaban ada pada text berwarna merah.

1. Which factor affects the speed of an inkjet printer?

• the desired quality of the image*
• the cost of the inkjet cartridges
• the size of printer power supply
• the quality of the paper

2. What are two cables that are used to connect a computer to a printer? (Choose two.)

• FireWire*
• HDMI
• serial*
• PS/2
• eSATA

3. What is a characteristic of thermal inkjet nozzles?

• Heat is applied to the ink reservoir of each nozzle.
• The vibration of the crystal controls the flow of ink.
• A charge is applied to the printhead.
• The heat creates a bubble of steam in the chamber.*

4. In laser printing, what is the name of the process of applying toner to the latent image on the drum?

• fusing
• developing*
• charging
• transferring

5. What is the purpose of the Additional Drivers button in the Sharing tab of the Printer Properties?

• to add additional drivers for other operating systems*
• to add additional drivers for duplex printing
• to add additional drivers for other printers connected to the computer
• to add additional drivers for other printers in the network

6. A small LAN uses a shared printer that is connected to a computer. None of the users can print but all of the users can access the shared resources on the computer to which the printer is locally connected. What is a possible cause of this?

• The cable that connects the printer to the PC is faulty.*
• The printer needs a new ribbon.
• The printer has the wrong paper loaded.
• The printer spool is full.

7. How would a user install a new USB printer on a PC that is running Windows 7 Professional?

• Configure the BIOS to accept the specific model of printer in the USB port.
• Copy the printer driver to the System32 folder.
• Click Start > All programs > Control Panel > Printers and Faxes > right-click on the desired printer and choose Add.
• Connect the printer and power it on. Windows will detect the printer and install the needed drivers.*

8. A Windows 7 computer has several printers configured in the Control Panel Devices and Printers window. Which printer will the computer choose to be the first option for printing?

• the software-based printer that is used to create XPS files
• a manual selection, which is always needed
• the printer that is set as the default printer*
• the software-based printer that is used to create PDF files

9. What are two methods to share a printer wirelessly? (Choose two.)

• infrared*
• satellite
• WiMax
• IEEE 802.11 standards*
• microwave

10. A user discovers that an inkjet color printer is printing different colors from those that are shown on the screen. What can be done to solve this problem?

• Replace the fuser.
• Replace the drum.
• Adjust the printer spool.
• Calibrate the printer.*

11. The users on a LAN are reporting that computers respond slowly whenever high resolution photographs are being printed on the color laser printer. What would be the cause of this problem?

• The printer is not configured for duplex printing.
• The printer does not have enough memory to buffer an entire photograph.*
• The paper is not adequate for photograph printing.
• The printer is not configured for the proper paper orientation.

12. What is a characteristic of global and per-document options in print settings?

• It is not possible to configure per-document options.
• Per-document options override global options.*
• Global options take precedence over per-document options.
• It is not possible to configure global options.

13. What is true about the PostScript language?

• It prints faster than other languages do.
• It handles complex printing jobs.*
• It requires less printer memory than other languages require.
• It allows the page to be rendered in the local workstation.

14. What are two closed-ended questions that a technician could ask a user while trying to identify the problem with a printer? (Choose two.)

• Can you print a test page on the printer?*
• What were you doing when the problem occurred?
• What recent software or hardware changes have been made to your computer?
• Is the printer powered on?*
• What error messages were displayed when the problem occurred?

15. After applying a solution to a printer problem, a technician restarts the printer and prints a test page. Which step of the troubleshooting process is the technician applying?

• documenting findings, actions, and outcomes
• testing a theory to determine the cause of the problem
• verifying the solution and system functionality*
• identifying the problem

16. A user notices that a job submitted to a printer is displayed in the print queue, but the printer is not printing the document. What is a probable cause of this problem?

• an incorrect printer driver
• the wrong paper type
• a bad cable connection*
• a printer spooler not installed

17. A technician recorded that a new fuser roller unit was installed in a laser printer to solve a printing problem. Which step in the troubleshooting process did the technician just perform?

• verifying the solution and system functionality
• testing a theory to determine the cause of the problem
• identifying the problem
• documenting findings, actions, and outcomes*

18. Where would network printer sharing be configured in a Windows 7 environment?

• Network and Sharing Center*
• Ease of Access Center
• Devices and printers
• Printers and Other Hardware

19. What are two functions of a print server? (Choose two.)

• ensure that the connected client computers have up-to-date printer drivers
• store backups of documents sent to the printer
• provide uninterrupted power to the printer
• provide print resources to all connected client computers*
• store print jobs in a queue until the printer is ready*

20. Which action supports an effective printer preventive maintenance program?

• Clean inkjet print heads when they stop working.
• Replace laser printer toner at set predetermined time intervals.
• Reset the printer page counters if available.*
• Disconnect the printer from the power source when it is not in use.

21. Which two replacement parts are typically found in a laser printer maintenance kit? (Choose two.)

• pack of paper
• toner cartridge
• replacement print head
• transfer rollers*
• fuser assembly*

22. How can the life of a thermal printer be extended?

• Clean the inside of the printer with a vacuum cleaner with a HEPA filter.
• Wipe the outside of the printer with a damp cloth.
• Clean the heating element regularly with isopropyl alcohol.*
• Keep the paper dry in a low humidity environment.

IT Essentials Chapter 8 v5.0

jawaban ada pada text berwarna merah.

1. What is a good source for safely downloading Android apps?

• the Apple App Store
• iTunes
• freeware sites
• Google Play*

2. What two functions can be performed with the home button on an iOS mobile device? (Choose two.)

• lock the device
• the same functions as the Android navigation buttons*
• start voice control*
• reset the device to the factory default
• start the TouchFLO interface

3. What are two potential user benefits of rooting or jailbreaking a mobile device? (Choose two.)

• A custom OS may reduce sandboxing features.
• The operating system can be fine-tuned to improve the speed of the device.*
• The operation of the carrier cellular network may be affected.
• The user interface can be extensively customized.*
• The root directory of the device is blocked.

4. What are two purposes of the passcode lock feature on mobile devices? (Choose two.)

• to erase all personal data from the device
• to remotely lock the device if it is stolen
• to return the device to the default factory state
• to place the device into a power saving state*
• to restore and re-synchronize the device
• to help prevent theft of private information*

5. What is an advantage of using flash memory to store data in mobile devices?

• Flash memory has a drive head that moves, reducing the seek time to locate data.
• Flash memory requires very little power to store and retrieve data.*
• Flash memory is not affected by ESD.
• Flash memory is highly resistant to water and cold.

6. What are two touchscreen characteristics that are used by most mobile devices? (Choose two.)

• an electrical field of the screen that is interrupted when the user touches the screen*
• three layers responsible for conducting electricity with a small air gap between them
• a glass screen that is coated with a capacitor
• two transparent layers of material capable of conducting electricity*
• two colored layers of material capable of conducting electricity

7. Which component is field-replaceable in most mobile devices?

• memory card*
• RAM
• touchscreen
• CPU

8. Which mobile device troubleshooting procedure is correct?

• When a problem appears with a mobile device, the owner should analyze if it is cost-effective to fix it.*
• Mobile devices change so rapidly in design and functionality it is always better to replace the device rather than repair it.
• Mobile device problems always result in sending the device to the manufacturer for troubleshooting.
• Every time a mobile devices freezes, the owner can reinitialize it by pressing the reset button.

9. A user accidentally drops a mobile device into a pool. What corrective action should be taken?

• Contact the manufacturer for repair or replacement.*
• Use a hair dryer to dry the phone.
• Open the device and replaced damaged components.
• If the mobile device does not turn on, throw it away and buy a new one.

10. After being left in a car for many hours on a hot day, an iPhone cannot be turned on. What should the user do to fix this problem?

• Buy a new power button and replace it.
• Disassemble the phone and look for heat related damage.
• Return the phone to the manufacturer for repair.*
• Place the phone in a refrigerated space and allow the unit to cool down.

11. After an upgrade to a mobile device, some applications are no longer working, but some work fine. The user can make calls and send and receive email. Which two kinds of problems could be related to these issues? (Choose two.)

• a software problem*
• a touchscreen problem
• a cell service problem
• a circuit board problem
• a memory problem*

12. Which scenario or situation would prevent a user from upgrading the OS on an Android device?

• The software copyright was not obtained before the installation.
• The correct patches were not installed.
• The hardware does not meet specifications.*
• Permission was not obtained from the manufacturer.

13. Which two conditions must be met for mobile device security measures such as remote lock and remote wipe to function? (Choose two.)

• The GPS locator must be enabled.
• The passcode must be disabled.
• Sandboxing must be enabled.
• The device must be powered on.*
• The device must be connected to a network.*

14. Which two items common to both Android and iOS devices can be remotely backed up? (Choose two.)

• photos
• settings
• contacts*
• calendar*
• messages

15. Which statement is true about wireless connectivity on an Android mobile device?

• If the network SSID is not being broadcast, the device will not be able to connect to the network.
• When the device roams out of the range of any Wi-Fi networks, it can connect to the cellular data network if this feature is enabled.*
• The Android OS does not support wireless connectivity that uses WPA2 security.
• If a Wi-Fi network is secured with a password, the network must be manually configured on the device.

16. This is a flash item. Please click below to answer this item.
geser pilihan disamping kiri ke kotak yang ada dikanan sesuai dengan garis yang ditunjukkan

17. In the context of mobile devices, what does the term tethering involve?

• connecting a mobile device to a USB port on a computer in order to charge the mobile device
• connecting a mobile device to a hands-free headset
• connecting a mobile device to another mobile device or computer to share a network connection*
• connecting a mobile device to a 4G cellular network

18. Which statement is true about industry standards for cellular networks?

• First generation cellular standards are mostly digital standards.
• Third generation cellular standards require a maximum of 1 Gb/s for devices moving slowly, such as when a user has a mobile device and is walking.
• Cellular standards have made it more difficult and expensive to make calls to people that are on a different network.
• Cell phones that use a single standard can often only be used in specific geographic areas.*

19. Which statement about synchronizing a mobile device to a PC is true?

• To synchronize data on an iOS device, iTunes must be installed on the PC.*
• Motocast USB can be used to synchronize data when using an iOS device.
• iOS synchronization can only be performed over a USB connection.
• Data on Android devices cannot be synchronized with a PC.

20. A technician is configuring email on a mobile device. The user wants to be able to keep the original email on the server, organize it into folders, and synchronize the folders between the mobile device and the server. Which email protocol should the technician use?

• MIME
• POP3
• SMTP
• IMAP*

21. Which mobile device security feature requires the user to slide a finger over the screen in a specific sequence to unlock the device?

• simple passcode
• pattern*
• remote wipe
• slide

22. Which term describes the ability of a mobile device to recognize when two or more points of contact are made on the screen?

• large touch
• many touch
• multitouch*
• long touch

IT Essentials Chapter 7 v5.0

IT Essential Chapter 7 v5.0

jawaban ada pada text berwarna merah.

1. Which two statements are true of a laptop CPU when compared to a desktop CPU? (Choose two.)

• The laptops consume more power.
• The laptop CPUs are interchangeable with desktop CPUs.
• The laptops are designed to produce less heat.*
• The laptops operate at higher clock speeds.
• The laptops use smaller cooling devices.*

2. In the power management settings, which two devices can be set to turn off to conserve battery power? (Choose two.)

• cooling fans
• memory
• hard disk drive*
• display*
• CPU

3. What is the first step in the process of troubleshooting a laptop?

• Verify full functionality.
• Determine the exact cause.
• Establish probable causes.
• Identify the problem.*

4. What is the final task for a technician after troubleshooting a laptop?

• Verify full functionality.
• Correct the problem.
• Document the problem and the solution.*
• Implement preventive measures.

5. What can a user do to reconnect a laptop to a functioning wireless network after a laptop has been moved and the connection has been lost?

• Reboot the operating system.
• Plug in the power cord to the wall outlet.
• Recharge the battery.
• Change the orientation of the laptop.*

6. Why are SODIMMs well suited for laptops?

• They do not produce heat.
• They have a small form factor.*
• They are interchangeable with desktops.
• They connect to external ports.

7. An administrator tries to configure Power Options within Windows, but is unable to do so. What is the possible cause?

• Thermal management has been enabled.
• ACPI has not been enabled in the BIOS.*
• The administrator does not have user privileges to change the settings.
• Wake-On-LAN has been enabled.

8. A technician is trying to remove a SODIMM module from a laptop. What is the correct way to do this?

• Pull outward by holding the center of the SODIMM module.
• Apply downward force on the SODIMM module.
• Press outward on the clips that hold the sides of the SODIMM.*
• Desolder the SODIMM module.

9. What should a technician do prior to replacing a keyboard on a laptop?

• Remove all sources of power from the laptop.*
• Remove the LCD screen.
• Remove the outer casing of the laptop.
• Remove the power inverter.

10. Which two internal expansion slots in laptops are commonly used to install wireless adapter cards? (Choose two.)

• ISA
• PCIe
• Mini-PCIe*
• PCI
• PCI Express Micro*

11. What is the next step in the troubleshooting process after a solution has been implemented on a laptop?

• Return the device to the customer.
• Verify the solution.*
• Document the solution.
• Ask the customer to explain the problem.

12. A technician notices that a laptop display appears stretched and pixelated. What is a probable cause of this?

• The power inverter is failing.
• The display properties are incorrectly set.*
• The screen has been burned in.
• The power management features are incorrectly set.
• One of the RAM modules is failing.

13. Which statement is true about laptops?

• Most of the internal components that are designed for laptops cannot be used for desktops.*
• Laptop CPUs do not use cooling devices.
• Laptops use fewer components than desktops use.
• Laptop motherboards have standard form factors.

14. What is a definition for CPU throttling?

• overclocking
• upgrading the CPU without changing the motherboard
• the sharing of processing between two or more cores
• the ability to modify CPU clock speed as needed*

15. What is the purpose of the eject button on a laptop docking station?

• to open the CD/DVD tray
• to detach the laptop from the docking station*
• to disconnect a USB device
• to remove the laptop battery

16. Which key sequence may be used to control whether the content of the screen will be presented on a built-in display or on an external display?

• Fn + *
• Shift +
• Ctrl +
• Alt +

17. What would be the most effective preventive maintenance routine for company laptops that are subject to high use?

• a reactive routine that is performed monthly
• a proactive routine that is performed monthly and as needed*
• a proactive routine that is performed every six months
• a reactive routine that is performed only as needed

18. To clean laptops, which two products are recommended? (Choose two.)

• car wax
• rubbing alcohol
• cotton swabs*
• ammonia
• mild cleaning solution*

19. A technician has been asked to decide which laptop components should be cleaned on a monthly basis as part of a maintenance routine. What are two examples of components that should be included? (Choose two.)

• CPU
• hard disk platters and heads
• exterior case*
• keyboard*
• RAM

20. A technician has installed a wireless Ethernet card in a Windows 7 laptop. Where would the technician configure a new wireless connection?

• Control Panel > Networking and Sharing Center > Set up a new connection or network*
• Control Panel > System > Device Manager
• Control Panel > Administrative Tools > Services
• Control Panel > Internet Options

21. Which component or components would be interchangeable between a laptop and and a desktop PC?

• CPU
• peripheral devices*
• motherboard
• power supply

22. A user needs to connect a Bluetooth device to a laptop. Which type of cable is needed to accomplish this?

• USB cable
• EIA/TIA 232 cable
• None. Bluetooth connections are wireless.*
• parallel cable
• VGA cable

IT Essentials Chapter 6 v5.0

IT Essentials Chapter 6 v5.0

jawaban ada pada text berwarna merah.

1. Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?

• Repeater
• Hub
• Switch
• Router

2. A customer is considering a multipurpose device to create a home network. Which three devices are usually integrated into a multipurpose network device? (Choose three.)

• Email server
• Router
• Switch
• Web server
• Wireless access point
• Print server

3. Which technology would be recommended for a business that requires workers to access the Internet while visiting customers at many different locations?

• ADSL
• VPN
• Cellular
• ISDN

4. When is a dial-up connection used to connect to an Internet provider?

• When a high-speed connection is provided over a cable TV network
• When a digital connection is provided using ISDN
• When a regular telephone line is used
• When a cellular telephone provides the service<>/li

5. Which type of connection to the Internet is capable of the fastest transfer rates?

• ISDN BRI
• Dial-up
• ISDN PRI
• Cable

6. Which statement describes the logical topology for a LAN?

• It describes how computers access the LAN medium.
• It depicts the locations of main routers and switches in a LAN.
• It lists the number of computers, routers, and switches on the LAN.
• It defines how computers connect to a LAN.

7. ABC Company requires preventive maintenance for all local network cabling once a year. Which task should be included in the preventive maintenance program?

• Replace all labeling on the cables.
• Replace all cable supports to prevent loose attachment points.
• Disconnect and reconnect all patch cables.
• Inspect all patch cables for breaks.

8. What is an example of network maintenance?

• Immediately turning off a network device if the network device is making an unusual sound
• Educating users on IT policies and procedures
• Using cable supports to identify the devices to which the cables are connected
• Not doing preventive maintenance regularly if the maintenance interrupts network activity

9. A technician is troubleshooting a problem where the user claims access to the Internet is not working, but there was access to the Internet the day before. Upon investigation, the technician determines that the user cannot access the network printer in the office either. The network printer is on the same network as the computer. The computer has 169.254.100.88 assigned as an IP address. What is the most likely problem?

• The router that connects this network to other networks is down.
• The network interface card driver needs to be updated.
• The IP default gateway on the computer is incorrect.
• The computer cannot communicate with a DHCP server.

10. Which technology is most often used to connect devices to a PAN?

• Bluetooth
• IEEE 802.11n wireless
• Fiber optic cabling
• Coaxial cabling

11. Which three layers of the OSI model map to the application layer of the TCP/IP model? (Choose three.)

• Data link
• Application
• Network
• Transport
• Physical
• Session
• Presentation

12. A device has an IPv6 address listed as 2001:0DB8:75a3:0214:0607:1234:aa10:ba01. What is the interface ID of the device?

• ba01
• 0607:1234:aa10:ba01
• 2001:0DB8:75a3
• 2001:0DB8

13. What is a characteristic of the UDP protocol?

• Low overhead
• Error correction
• Guaranteed delivery
• End-to-end establishment before delivery

14. What would be a disadvantage of configuring a wireless router or access point to operate only in accordance with the 802.11g protocol standard?

• 802.11a wireless devices will not be able to connect to the wireless network.
• The 802.11g standard does not support static IP addressing.
• The 802.11g standard does not support advanced network security features.
• Using only 802.11g will cause multiple SSIDs to be broadcast.

15. What is the maximum segment length that is specified by the 1000BASE-T standard?

• 1640 ft (500 m)
• 984 ft (300 m)
• 328 ft (100 m)
• 3280 ft (1000 m)
• 607 ft (185 m)

16. Which two characteristics describe Ethernet technology? (Choose two.)

• It is supported by IEEE 802.3 standards.
• It is supported by IEEE 802.5 standards
• It typically uses an average of 16 Mb/s for data transfer rates.
• It uses a ring topology.
• It uses the CSMA/CD access control method.

17. Which three factors are reasons for a company to choose a client/server model for a network instead of peer-to-peer? (Choose three.)

• The company network requires secure access to confidential information.
• Each user understands how to safely share files across a network.
• All employees passed a strict background check as part of the corporate hiring practices.
• The data gathered by the employees is critical and should be backed up on a regular basis.
• The network is small with fewer than eight users.
• The users need a central database to store inventory and sales information.

18. What benefit is provided by a computer data network?

• Increased security
• Decentralized administration
• Resource sharing
• Simplified troubleshooting

19. When would a printer be considered a network host?

• When it is connected to a workstation
• When it is connected to a laptop
• When it is connected to a switch
• When it is connected to a PC

20. A user can print to a printer that is on the same network, but the traffic of the user cannot reach the Internet. What is a possible cause of the problem?

• The PC default gateway address is missing or incorrect.
• The NIC on the PC is faulty.
• The PC has an incorrect IP address.
• The network cable connected to the user PC is faulty.

21. What is identified by the 100 in the 100BASE-TX standard?

• The maximum cable distance in meters
• The series number of the standard
• The maximum number of network nodes
• The maximum bandwidth in Mb/s

22. A user installs a new gigabit NIC in a PC. The user notices that the data transfer rate is much slower than expected. What should the user do to fix the problem?

• Change the NIC duplex setting from half duplex to full duplex.
• Disable sleep mode.
• Disable hibernation mode.
• Change the value assigned to the NIC wake-on-LAN setting.

23. A company adds a few refurbished computers to a network. The company finds, however, that the refurbished computers perform significantly worse than the original networked computers do. The original computers performed much faster with applications that required the transfer of data over the network. What should the company technicians do?

• Check if the refurbished computers are using a VPN.
• Check if the network interface cards in the refurbished computers are limited to 10 Mb/s.
• Check if subnet mask is correct.
• Check if the gateway address is correct.

IT Essentials Chapter 5 v5.0

IT Essentials Chapter 5 v5.0

jawaban ada pada text berwarna merah

1. What are two features of the active partition of a hard drive? (Choose two.)

• The active partition must be a primary partition.
• Up to four primary partitions can be marked as active.
• The operating system uses the active partition to boot the system.
• The active partition may include the manufacturer recovery partition.
• An active partition must be assigned C: as the drive letter.

2. Which Windows administrative tool displays the usage of a number of computer resources simultaneously and can help a technician decide if an upgrade is needed?

• Services
• Performance Monitor
• Component Services
• Event Viewer

3. A Windows computer locks with a stop error during startup then automatically reboots. The rebooting is making it difficult to see any error messages. What can be done so that the error messages can be viewed?

• Use the Event Log and other diagnostic utilities to research the stop error messages.
• View the error messages and recover the system using the System Image Recovery tool.
• In Safe Mode use the Advanced Startup Options menu to disable the auto restart function.
• Use the Last Known Good Configuration option to restart the operating system.

4. What are two functions of an operating system? (Choose two.)

• Web browsing
• Controlling the BIOSM
• Controlling hardware access
• Managing applications
• Flow chart editing
• Program compilation
• Text processing

5. What two terms can be used to describe the Windows Virtual PC? (Choose two.)

• System resource management
• Server consolidation
• Hypervisor
• Virtual Machine Manager
• Operating system sharing

6. A technician has loaded an incorrect video driver on a Windows 7 computer. How can the technician revert to a previous driver?

• Select the video adapter card Properties in Device Manager, select the Driver tab, and click Roll Back Driver.
• Use the Devices and Printers control panel to right-click on the monitor, and select Properties.Select Roll Back Driver.
• Select Create a Restore Point from System Tools.
• Use regedit to remove the information about the graphics driver from the registry.

7. Which two Windows utilities can be used to help maintain hard disks on computers that have had long periods of normal use? (Choose two.)

• Disk Cleanup
• Disk Format
• Disk Maintenance
• Disk Partition
• Disk Defragmenter

8. Which command is used from the Windows command prompt to schedule a program to run at a specific time?

• TASKKILL
• AT
• OMD
• TASKLIST

9. A user notices that some of the programs that are installed before upgrading to Windows 7 no longer function properly after the upgrade. What can the user do to fix this problem?

• Run the programs in Compatibility Mode.
• Lower the UAC setting in the Change User Account Control settings dialog box of the User Accounts control.
• Use the System Restore utility.
• Update the driver for the graphics card.

10. A technician notices that a program that is listed in the registry of a Windows computer is not found on that computer. What is a possible solution to the problem?

• Restore the ntdetect.com file from the installation media.
• Run fdisk /mbr from the command prompt.
• Restore the boot.ini file from the installation media.
• Reinstall the application. Then, run the uninstall program.

11. Which Windows 7 feature allows a user to view the contents of the desktop by moving the mouse to the right edge of the taskbar?

• Thumbnail previews
• Search
• Jump lists
• Shake
• Snap
• Aero Peek

12. A computer with the Windows 7 operating system fails to boot when the system is powered on. The technician suspects that the operating system has been attacked by a virus that rendered the system inoperable. What measure could be taken to restore system functionality?

• Run chkdsk on the affected drive to restore system files to their post-installation state.
• Use an incremental backup to restore the system.
• Use a system image that was created prior to the failure to restore the system.
• Use a differential backup to restore the system.

13. After upgrading a computer to Windows 7, a user notices that the UAC (User Account Control) panel appears more frequently. How can the user reduce the frequency with which the UAC appears?

• Replace the graphics card with one that meets the minimum hardware requirements for Windows 7.
• In the Performance Options dialog box of the Performance Information and Tools control panel, choose Adjust for Best Performance.
• Lower the UAC setting in the Change User Account Control settings dialog box of the User Accounts control panel.
• Reinstall all user programs in Compatibility Mode.

14. How much RAM can theoretically be addressed by a 64-bit operating system?

• 32 GB maximum
• 64 GB maximum
• 16 GB maximum
• 4 GB maximum
• 128 GB or more

15. What is the term for the ability of a computer to run multiple applications at the same time?

• Multitasking
• Multiuser
• Multiprocessing
• Multimedia

16. A Windows XP system is unable to boot properly. What is the procedure to use to boot this system into Safe Mode?

• Reboot the system and press Del or F2 depending on the system.
• Reboot the system, press and hold F8 until a menu is displayed, and then choose Safe Mode.
• From the command prompt run the shutdown -r -s command.
• Run the MSCONFIG utility and choose the option Selective Startup.

17. A technician has installed a new video driver on a Windows XP computer and now the monitor shows distorted images. The technician needs to install a different video driver that is available on a network server. What startup mode should the technician use to access the driver on the network?

• Debugging Mode
• Safe Mode
• Safe Mode with Networking
• Safe mode with Command Prompt

18. A technician needs to upgrade the file system on a Windows XP computer from FAT32 to NTFS without losing user data. Which course of action should be taken to upgrade the file system to NTFS?

• Use the Disk Management utility to convert the drive from Basic to Dynamic, which changes the file system to NTFS automatically.
• Reformat all of the existing partitions and use the NTFS file system.
• Run the CONVERT.EXE utility to convert the file system to NTFS.
• Reinstall Windows XP and to format the drive choose NTFS when prompted .

19. To which category of hypervisor does the Microsoft Virtual PC belong?

• Type 1
• Type 2
• Type 3
• Type 4

20. A college uses virtualization technology to deploy information security courses. Some of the lab exercises involve studying the characteristics of computer viruses and worms. What is an advantage of conducting the lab exercises inside the virtualized environment as opposed to using actual PCs?

• The viruses and worms will have limited functionality inside the virtualized environment.
• Virus and worm attacks are more easily controlled in a virtualized environment, thus helping to protect the college network and its devices from attack.
• The virtualization environment has better tools to develop mitigation solutions.
• The lab exercises are performed faster inside of the virtualized environment.

21. What are two advantages of the NTFS file system compared with FAT32? (Choose two.)

• NTFS is easier to configure.
• NTFS provides more security features.
• NTFS supports larger files.
• NTFS allows faster access to external peripherals such as a USB drive.
• NTFS allows faster formatting of drives.
• NTFS allows the automatic detection of bad sectors.

22. Which two statements are true about restore points? (Choose two.)

• A technician should always create them after updating the operating system.
• They are useful to restore the computer to an earlier time when the system worked properly.
• They recover personal files that have been corrupted or deleted.
• They contain information about the system and registry settings that are used by the Windows operating system.
• They back up personal data files.

23 .A user notices that a PC is running slowly and exhibits a delayed response to keyboard commands. What is a probable cause of this symptom?

• The video card does not support the resolution that is being used.
• A recently installed device driver is incompatible with the boot controller.
• A process is using most of the CPU resources.
• One or more program files have been deleted.

24. What would be the result of having a corrupt Master Boot Record?

• The printer will function incorrectly.
• The operating system will fail to start.
• A new application will fail to install.
• The keyboard will be unresponsive to the user.

IT Essentials Chapter 4 v5.0

IT Essentials Chapter 4 v5.0

jawaban ada pada text berwarna merah

1. Which task should be part of a software maintenance routine?

• Check for and secure any loose cables.
• Remove dust from the power supply.
• Defragment the hard drive.
• Back up the data, reformat the hard drive, and reinstall the data.

2. What is the purpose of documenting the information that is obtained from the customer in the work order?

• To create a centralized database of possible problems
• To use the information for marketing purposes
• To keep track of parts that are ordered
• To use the information to aid in solving the problem

3. What is a recommended procedure to follow when cleaning computer components?

• Blow compressed air on cooling fans so that they will spin when dust is being removed.
• Hold cans of compressed air upright while spraying.
• Use window cleaner on LCD screens.
• Remove the CPU before cleaning.

4. After a technician tests a theory of probable causes, what two actions should the technician take if the testing did not identify an exact cause? (Choose two.)

• Establish a new theory of probable causes.
• Document each test tried that did not correct the problem.
• Test all remaining possible causes starting with the most complex.
• Use a top down approach to isolate the cause of the problem.
• Randomly replace components one at a time until the problem is solved.

5. Which device is most likely to be affected by an incorrect setting saved in CMOS or an incorrect jumper setting?

• Hard drive
• Printer
• Power supply
• Monitor

6. A technician is performing hardware maintenance of PCs at a construction site. What task should the technician perform as part of a preventive maintenance plan?

• Develop and install forensic tracking software.
• Perform an audit of all software that is installed.
• Remove dust from intake fans.
• Back up the data, reformat the hard drive, and reinstall the data.

7. A user has opened a ticket that indicates that the computer clock keeps losing the correct time. What is the most likely cause of the problem?

• The CPU needs to be overclocked.
• The operating system needs to be patched.
• The CMOS battery is loose or failing.
• The motherboard clocking crystal is damaged.

8. Which two common computer problems could cause a motherboard to short-circuit? (Choose two.)

• A dusty CPU fan
• A loose PATA cable
• Loose case screws
• Bent drive cable pins
• Unseated adapter cards

9. An employee reports that each time a workstation is started it locks up after about 5 minutes of use. What is the most likely cause of the problem?

• The hard disk is failing.
• The RAM is malfunctioning.
• The CPU experiences overheating.
• The power supply fails to provide adequate voltage and current.

10. An employee reports that the antivirus software cannot obtain updates. The support technician notices that the license for the software has expired. The technician adds a new license to the software and completes the update service. What should the technician do next?

• Record the new license number in the log.
• Download advanced antivirus software from another vendor.
• Run a full virus scan on the computer.
• Review the Event Viewer for the date and time that the last software update was performed.

11. Which two items could be used to help establish a plan of action when resolving a computer problem? (Choose two.)

• BIOS diagnostics
• A multimeter
• The computer repair history log
• A loopback plug
• The computer manual

12. After a new PCIe video card is added, the computer seems to boot successfully but it will not display any video. The computer was working properly before the new video card was installed. What is the most likely cause of the problem?

• The monitor cable is faulty.
• The saved CMOS settings are set to use the built-in video adapter.
• The PC does not have enough RAM to support the new video card.
• The new video card is not compatible with the CPU in the PC.

13. A scientific expedition team is using laptops for their work. The temperatures where the scientists are working range from -13 degrees Fahrenheit (-25 degree Celsius) to 80 degrees Fahrenheit (27 degrees Celsius). The humidity level is around 40 percent. Noise levels are low, but the terrain is rough and winds can reach 45 miles per hour (72 kilometers per hour). When needed, the scientists stop walking and enter the data using the laptop. Which condition is most likely to adversely affect a laptop that is used in this environment?

• The wind
• The rough terrain
• The humidity
• The temperature

14. What is part of creating a preventive maintenance plan?

• Performing hardware upgrades
• Performing a forensic audit of security breaches
Documenting the details and frequency of each maintenance task
• Discarding all replaced parts

15. What is the preferred method to remove a disc from an optical drive that fails to eject the disc?

• Remove the top of the drive enclosure.
• Send the drive to an authorized repair depot.
• Insert a pin into the small hole on the front of the drive.
• Use a small screwdriver and pry the drive door open.

16. A customer reports that recently several files cannot be accessed. The service technician decides to check the hard disk status and the file system structure. The technician asks the customer if a backup has been performed on the disk and the customer replies that the backup was done a week ago to a different logical partition on the disk. What should the technician do before performing diagnostic procedures on the disk?

• Install a new hard disk as the primary disk, then make the current disk a slave.
• Perform file restore from the existing backup copy at the logical partition.
• Run the CHKDSK utility.
• Back up the user data to a removable drive.

17. During the process of testing a theory of several probable causes to a problem, which should be tested first?

• The easiest and most obvious
• Those chosen by random selection
• The most complex and difficult to diagnose
• Those the customer believes to be the most important

18. During the troubleshooting of a PC that will not boot, it is suspected that the problem is with the RAM modules. The RAM modules are removed and put into another PC, which successfully powers on. The RAM modules are then put back into the original PC and it now successfully powers on as well. What was the most likely cause of the problem?

• The RAM modules were not seated firmly.
• The RAM modules were inserted backwards into the DIMM slots.
• The RAM modules did not match the PC specs.
• The RAM modules have bad blocks.

19. Which component can be easily damaged by the direct spray of compressed air when cleaning the inside the computer case?

• Cable connectors
• Power supply
• Fan
• Heat sink
• CPU

20. Which step of the six-step troubleshooting process is where a technician would ask the computer user to print a document on a newly installed printer?

• Test the theory to determine the cause.
• Verify full system functionality and, if applicable, implement preventive measures.
• Establish a theory of probable cause.
• Document findings, actions, and outcomes.
• Establish a plan of action to resolve the problem and implement the solution.
• Identify the problem.

21. Which two types of data should be backed up before troubleshooting a computer for a customer? (Choose two.)

• Windows operating system files
• BIOS system file
• Internet Explorer favorites files
• Driver files for the hard disk
• Documents that are created by the customer
  
  22. A web designer installed the latest video editing software and now notices that when the application loads, it responds slowly. Also the hard disk LED is constantly flashing when the application is in use. What is a solution to solve the performance problem?
  
• Replacing the hard disk with a faster model
• Upgrading to a faster CPU
• Replacing the video card with a model that has a DVI output
• Adding more RAM

IT Essentials Chapter 3 v 5.0

 IT Essentials Chapter 3 v 5.0

jawaban ada pada text berwarna merah ( Red color ).

1. A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a problem. How does the POST indicate the error?

• It issues a number of short beeps.
• The LED on the front of the computer case flashes a number of times.
• It locks the keyboard.
• It places an error message in the BIOS.

2. A technician is troubleshooting a PC that will not boot. When the PC is powered on, it emits a series of beeps and indicates that the BIOS settings have changed and need to be reconfigured. The technician reconfigures the BIOS settings, saves them, and the computer boots. Later when the PC is powered off and back on again, the same error message appears, and all the BIOS changes are gone. What should the technician do to fix the problem?

• Reseat the RAM.
• Replace the motherboard.
• Upgrade the BIOS firmware.
• Replace the CMOS battery.

3. What type of connector would be used to supply power to an PATA optical drive?

• PS/2
• AT
• Berg
• Molex

4. What is the best way to apply thermal compound when reseating a CPU?

• Put a thick layer of thermal compound over the existing thermal compound before reseating the CPU.
• Clean the CPU and the base of the heat sink with isopropyl alcohol before applying the thermal compound.
• Scrape off the old thermal compound on the heat sink with a sharp knife and apply the thermal compound liberally.
• Change the base of the heat sink before applying the thermal compound.
• Use rubbing alcohol to clean the base of the heat sink before applying thermal compound.

5. A technician has assembled a new computer and must now configure the BIOS. At which point must a key be pressed to start the BIOS setup program?

• After the POST, but before Windows starts to load
• During the Windows load process
• Before the computer is powered on
• During the POST

6. What is a function of the BIOS?

• Provides graphic capabilities for games and applications
• Enables a computer to connect to a network
• Performs a power-on self test of internal components
• Provides temporary data storage for the CPU

7. A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a video subsystem problem. How does the POST indicate the error?

• By issuing a number of beeps
• By flashing the LED on the front of the computer case a number of times
• By locking the keyboard
• By placing an error message in the BIOS

8. You are monitoring a new technician who is installing a device driver on a Windows-based PC. The technician asks why the company requires the use of signed drivers. What would be the best response to give?

• A signed driver has been approved by the company that created the device driver.
• A signed driver has passed the lab test of Microsoft for quality and helps prevent a system from being compromised.
• An unsigned driver can cause files to be fragmented as they are processed.
• Signed drivers prevent physical damage to devices.
• All companies making devices for a Windows computer have to have Microsoft sign off on the new driver before it can be added to the operating system.

9. What is an important step when installing a second PATA hard drive in a computer?

• Set the drive ID number with the correct jumper.
• Ensure that pin one of the PATA data cable is correctly aligned with the connector.
• Configure the BIOS settings to auto-detect the master drive.
• Set the swap file size on the new drive.

10. What number of disks is the required minimum to implement RAID 0?

• 2
• 1
• 3
• 4

11. A technician is assembling a new computer. Which two components are often easier to install before mounting the motherboard in the case? (Choose two.)

• Sound card
• Video card
CPU
• NIC
• Memory

12. A technician is troubleshooting a computer that has a malfunctioning floppy drive. The technician observes that the floppy drive light remains lit constantly. What should the technician do to repair the problem?

• Connect the data cable making sure that the colored stripe on the cable is aligned with pin 1 on the drive and the motherboard.
• Remove the floppy drive via Add/Remove Hardware.
• Change the jumper setting to master for the floppy drive.
• Replace the floppy drive.

13. A technician is installing additional memory in a computer. How can the technician guarantee that the memory is correctly aligned?

• The label on the memory module should always face the CPU.
• The arrows on the memory module should be aligned with the arrows on the motherboard slot.
• A notch in the memory module should be aligned with a notch in the memory slot.
• Memory slots are color coded, with one end red and one end blue.

14. What is used to prevent the motherboard from touching metal portions of the computer case?

• ZIF sockets
• An I/O shield
• Thermal compound
• Standoffs

15. What is an advantage of using signed drivers?

• They never need upgrading.
• They are verified to be compatible with the operating system.
• They are guaranteed by the manufacturer to work with any hardware.
• They are guaranteed to work with all operating systems.
• They are free of errors.

16. Where is the saved BIOS configuration data stored?

• Hard drive
• Cache
• CMOS
• RAM

17. Which statement describes the purpose of an I/O connector plate?

• It makes the I/O ports of the motherboard available for connection in a variety of computer cases.
• It provides multiple connections for SATA hard drives to connect to the motherboard.
• It plugs into the motherboard and expands the number of available slots for adapter cards.
• It connects the PCIe adapter slots used for video directly to the CPU for faster processing.

18. What are two examples of settings that can be changed in the CMOS settings? (Choose two.)

• Swap file size
• Boot order
• Enabling and disabling devices
• Device drivers
• Drive partition size

19. A technician discovers that the PS/2 mouse port is not working. The technician has several replacement mouse models available. What input port will the technician use to install the replacement mouse?

• Parallel
• USB
• FireWire
• eSATA

20. What are three important considerations when installing a CPU on a motherboard? (Choose three.)

• The CPU heat sink and fan assembly are correctly installed.
• The CPU is correctly aligned and placed in the socket.
• The CMOS EPROM battery is removed prior to installing the CPU.
• Antistatic precautions are taken.
• The CPU contacts are first cleaned with isopropyl alcohol.
• Maximum insertion force is applied to the load lever so the CPU is locked in place.

21. A technician has been asked to install a second optical drive in a computer. The technician will need to configure the drive as slave. How can the technician accomplish this desired configuration?

• Use jumpers on the drive to configure the drive as slave.
• Use jumpers on the motherboard to configure the drive as slave.
• List the drive as slave in the CMOS.
• Connect the drive after the twist in the PATA cable.

IT Essentials Chapter 2 V 5.0

IT Essential Chapter 2 V 5.0

jawaban ada pada text berwarna merah

1. Which tool in Windows XP gives a technician access to initialize disks and create partitions?

• Defrag
• Scandisk
• Format
• Disk Management*
• Disk Cleanup

2. Which Windows XP command-line utility scans the critical files of the operating system and replaces any files that have been corrupted?

• System File Checker*
• Disk Cleanup
• Scan System
• Defrag
• Disk Management
• Chkdsk

3. Which two types of tools can help protect a computer from malicious attacks? (Choose two.)

• Disk Management
• Spyware Remover*
• Antivirus software*
• Disk Cleanup
• Scandisk
• Fdisk

4. A technician wants to limit the chances of ESD affecting the workspace. Which three precautions should be taken? (Choose three.)

• Ensure antistatic mats are on the workbench and floor.*
• Keep humidity in the environment very low.
• Ensure that all flooring is carpeted.
• Wear an antistatic wrist strap.*
• Keep all components in antistatic bags.*
• Store all computer components in clear plastic bags.

5. What are two significant sources of EMI? (Choose two.)

• infrared mice
• electrical storms*
• RAM modules
• power lines*
• LCD monitors

6. Which precaution should be taken when working inside computer systems?

• Avoid using magnetized tools.*
• Wear ESD protection to repair monitors in humid environments.
• Leave the power cord attached to an outlet for grounding.
• Avoid using ESD wrist straps and ESD mats simultaneously.

7. Which cleaning solution is recommended to clean the contacts of computer components?

• isopropyl alcohol*
• glass cleaner with ammonia
• water that is mixed with a small amount of dishwashing liquid
• rubbing alcohol

8. Why should a pencil never be used as a tool when working inside a computer?

• Pencil lead is conductive.*
• The lead in a pencil can induce current.
• A pencil can hold a static charge.
• Pencil lead is corrosive.

9. The performance of a computer is reduced after using the Internet. Which three tools could be run to try to improve the performance of the computer? (Choose three.)

• Fdisk
• a BIOS updater
• Spyware remover*
• Defrag*
• Disk Cleanup*
• Device Manager

10. Why is documentation of all services and repairs an important organizational tool for a technician?

• It allows the public sharing of information on the Internet.
• It increases the cost of services and repairs.
• It reduces the technical skills required of new technicians.
• It provides reference material for similar problems when they are encountered in the future.*

11. How does an inline UPS protect computer equipment against electrical power brownouts and blackouts?

• by stopping the flow of voltage to the computer
• by grounding excess electrical voltage
• by switching from main power to a standby power source
• by using a battery to supply a constant level of voltage*

12. Which two actions pose a potential safety hazard to a technician? (Choose two.)

• standing on an antistatic mat while working on a computer
• plugging a printer into an UPS
• using a magnetic screwdriver while working on a hard drive
• cleaning the inside of the computer while it is turned on*
• wearing a wrist strap while working inside a power supply*

13. Which circumstance increases the likelihood of ESD damage to a computer?

• self grounding against the computer case
• using a magnetic screwdriver while working on a hard drive
• plugging a printer into an UPS
• working in low levels of humidity*

14. Which tool is designed to loosen or tighten crosshead screws?

• torx driver
• phillips screwdriver*
• flat head screwdriver
• hex driver

15. Which tool could potentially cause data loss on hard disk or floppy drives?

• compressed air
• a magnetic screwdriver*
• a lead pencil
• a computer vacuum cleaner

16. Which condition refers to a reduced voltage level of AC power that lasts for an extended period of time?

• sag
• spike
• surge
• brownout*

17. A technician accidentally spills a cleaning solution on the floor of the workshop. Where would the technician find instructions on how to properly clean up and dispose of the product?

• the local hazardous materials team
• the insurance policy of the company
• the material safety data sheet*
• the regulations provided by the local occupational health and safety administration

18. Which two devices commonly affect wireless networks? (Choose two.)

• microwaves*
• cordless phones*
• external hard drives
• home theaters
• Blu-ray players
• incandescent light bulbs

19. What is a proper directive for using a can of compressed air to clean a PC?

• Use a long, steady stream of air from the can.
• Do not spray the compressed air with the can upside down.*
• Do not use compressed air to clean a CPU fan.
• Spray the CPU cooling fan with the compressed air to verify that the fan blade is spinning freely.

20. Which type of fastener is loosened and tightened with a hex driver?

• six sided bolt*
• cross head screw
• slotted screw
• torx bolt