Quiz
IT Essentials Final Review
Questions in this quiz (60)
1Which power criterion will affect the number of internal drives that are installed in a computer?
- A+5VDC output
- B+20VDC output
- CAC input
- DDC output
- Epower supply voltage
- Fpower supply wattage
2A customer needs additional storage space on an older computer. What will the technician look at in the computer to determine if an additional hard drive can be added?
- Aadequate RAM
- Ban open PCI/PCIe expansion slot
- Can available PATA/SATA connection
- DBIOS version
- Ethe heat that is generated and air flow requirements
3Why do laptop computers use CPU throttling techniques?
- Ato enhance the performance of the CPU
- Bto reduce the heat that the CPU may generate
- Cto ensure the CPU is running at its peak speed
- Dto conserve the battery life by reducing the bus speed between the CPU and RAM
4Which step is critical in selecting and installing multiple cooling fans for a PC case?
- AMake sure they are the same make and model.
- BMake sure they run at the same speed.
- CMake sure they provide the same amount of air flow.
- DMake sure they are mounted in correct air flow directions.
5Which statement is true about DDR2 and DDR3 RAM modules?
- AThey operate at the same voltage.
- BThey have a different number of contact pins.
- CThey use different types of DIMM slots on the motherboard.
- DThey require the same operating frequency on the front side bus.
6To avoid electromagnetic interference, which type of equipment should a technician route copper network cables away from?
- Awireless network devices
- Bcordless telephones
- Cmicrowave ovens
- Delectric motors
7Which statement is true about the use of an antistatic wrist strap?
- AAn antistatic wrist strap should not be used in conjunction with an antistatic mat.
- BFor optimum grounding, the clip should be attached to a painted section of the computer case.
- CThe metal part of the wrist strap should not make contact with your skin.
- DAn antistatic wrist strap should not be worn when repairing a power supply.
8Which are two potential risks to a mobile device that could result from rooting or jailbreaking the device? (Choose two.)
- AA custom OS enables user access to the root directory.
- BA custom OS may not properly create or maintain sandboxing features.
- CThe user interface may be extensively customized.
- DThe device performance may be improved.
- ESome features initially disabled by a carrier may be enabled.
9A customer is upset and wants to speak to a specific technician to resolve a problem immediately. The requested technician is away from the office for the next hour. What is the best way to handle this call?
- ARefer the angry customer to a supervisor.
- BAdvise the customer that the requested technician is out of the office and insist on trying to resolve the problem.
- CMake an offer to help the customer immediately, and advise the customer that otherwise the requested technician will call the customer back within two hours.
- DIgnore the request for the specific technician by walking through a step-by-step process with the customer in an attempt to refocus the customer and solve the problem.
10A customer is angry and calls to complain that the service scheduled on the computer took longer than expected. The technician reviews the work order and notices that the service was performed by a new employee. How should the technician respond?
- AVerify that the computer is working properly now.
- BListen to the complaint and then apologize for any inconvenience caused by the lengthy service on the computer.
- CExplain that the repair technician sent to perform the service is inexperienced.
- DPut the customer on hold until a supervisor is available.
11What two actions are appropriate for a support desk technician to take when assisting customers? (Choose two.)
- AInterrupt customers if they start to solve their own problems.
- BComfort a customer by minimizing the customer problem.
- CLet a customer finish talking before asking additional questions.
- DIf you have to put the customer on hold, ask the customer for permission.
- EAs soon as you detect customer anger, pass the angry customer to the next level.
12In which circumstance should a level one technician initiate an escalated work order?
- Awhen a customer appears to be very knowledgeable
- Bwhen a customer demands talking to a particular technician
- Cwhen a problem requires expertise from another technician
- Dwhen the technician cannot understand the problem as explained by the customer
13Which two interface types make it possible to attach different external components to laptops and desktops without powering the computer off? (Choose two.)
- APS/2
- BFireWire
- CPCI
- DPCIe
- EUSB
14Which motherboard feature controls the amount of data that a CPU transfers at one time?
- Apin grid array
- Bfront side bus
- CMMX instructions
- Dread-only memory
15What laptop component converts DC power to AC so that the display can illuminate?
- Ainverter
- Bbacklight
- CCCFL
- Dbattery
- Emotherboard
16A technician needs to configure a Bluetooth headset for a laptop user. Which two steps should the technician take before installing the headset? (Choose two.)
- ARemove the battery.
- BDisconnect AC power.
- CEnable Bluetooth in BIOS Setup.
- DEnsure that the antistatic wrist strap is attached to a nonpainted portion of the laptop.
- EEnsure that the laptop Bluetooth switch is enabled.
17Which statement correctly compares the characteristics of coaxial cable with twisted-pair cable?
- AThe limited bandwidth of coaxial cable makes it better than twisted-pair cable for LAN installations.
- BCoaxial cable is less expensive than twisted-pair cable.
- CCoaxial cable is physically more difficult to install than UTP cable.
- DBecause it contains a single copper conductor, coaxial cable is easier to troubleshoot than twisted-pair cable.
18How is DSL able to carry telephone and data signals at the same time?
- AEach signal uses a different frequency.
- BEach connection is dialed separately.
- CDSL uses low frequency transmissions.
- DDSL uses digital signals to carry both the telephone and data traffic.
19A computer technician performed a number of actions to correct a problem. Some actions did not solve the problem, but eventually a solution was found. What should be documented?
- Aeverything that was done to try to solve the problem
- Bonly the solution, because this solved the problem
- Conly the failed attempts, so that future technicians will know what not to try
- Da description of the problem and solution
20A user wants to upgrade components in a laptop to improve performance. Which two components can be replaced by the user? (Choose two.)
- ARAM
- Bbattery
- Cmotherboard
- DCPU
- ELCD display
21What are two operating systems that are found on mobile devices? (Choose two.)
- AAndroid
- BiOS
- CGoogle
- DApple
- EMobileOS
22A technician is attempting to create virtual machines on a PC but wants to ensure that the physical system resources used by the virtual machines are directly managed by them and not by the host operating system. How can the technician accomplish this?
- ASet up the virtual machines using a native hypervisor.
- BSet up the virtual machines using a hosted hypervisor.
- CSet up the virtual machines as Windows Virtual PCs
- DLimit the amount of paged RAM.
- EDisable hyperthreading in the BIOS.
23Which feature of a mobile device touchscreen will allow a user to zoom in displayed items such as maps and photographs?
- Along touch
- Bdouble touch
- Cpinch
- Dslide
24A user downloads a widget onto his Android phone but is puzzled to see that when the widget is touched an app is launched. What is a possible cause?
- AThe user has downloaded a virus.
- BThe widget is corrupt.
- CThe security settings of the Android OS have been compromised.
- DThe widget is associated with the app and this is the normal behavior.
25A user updates a device driver and reboots the system. When the user successfully logs in after the reboot, the OS displays a blue screen and crashes. The user presses the F8 key on reboot and tries to log in using the Last Known Good Configuration but gets the same result. Why will the Last Known Good Configuration not work?
- AThe Last Known Good Configuration is overwritten with the current one on successful login.
- BThe boot.ini file is corrupt.
- CThe user failed to run chkdsk prior to logging in.
- DThe user failed to save the CMOS settings on reboot.
26Which file is used to detect and build information about the hardware devices installed on a Windows XP laptop during the boot process?
- ANTDETECT.COM
- BNTLDR
- CNTOSKRNL.EXE
- DBOOT.INI
27A technician uses the shrink volume feature of the disk management utility and splits the partition. What must the technician do next in order to make the partition useable?
- APartition the unallocated space.
- BFormat the existing partition.
- CDelete all partitions and reinitialize the disk.
- DCovert the unallocated space into a dynamic disk.
28A technician is troubleshooting a 4-year-old computer that takes a long time to boot, and identifies that the BIOS rediscovers all the hardware at every boot. What action would fix this problem?
- AReplace the CMOS battery.
- BLaunch Device Manager to discover new hardware.
- CReset the BIOS using the CMOS jumper.
- DStart the computer with the last known good configuration.
29A technician is troubleshooting a computer that fails to print. The technician suspects that the printer driver may be outdated, proceeds to download the latest driver, and installs it. The technician attempts to print, but the problem persists. What is the next action that the technician should take?
- ADevelop a new theory.
- BTest the theory.
- CEstablish a plan of action.
- DIdentify the problem.
30A user reports that some printing jobs are not being printed. The technician checks and notices that the jobs are stuck in the printing queue. What action should the technician take to solve the problem?
- ACancel the job that displays the error that is preventing the other jobs from being printed.
- BReinstall the printer driver.
- CUnplug the data cable from the printer and plug it in again.
- DPlug the printer to a voltage regulator.
31A technician is troubleshooting a printer that fails to print because of constant paper jams. What should the technician try first?
- AClean the printer.
- BSecure printer cables.
- CConfigure the printer port.
- DCheck for bent pins on the printer cable.
32A technician is planning an operating system upgrade for a user system that is currently running Windows Vista. Because the BitLocker feature embedded in the Windows Vista OS is required, there is a request that this feature be available when the new operating system is installed. Which version or versions of Windows 7 would support this feature?
- AWindows 7 Ultimate
- BWindows 7 Ultimate and Professional
- CWindows 7 Ultimate and Professional and Home Premium
- DWindows 7 Ultimate and Professional and Home Premium and Starter
33What does %USERPROFILE% represent in the pathC:Users%USERPROFILE%AppDataLocalTemp?
- Athe location of the Documents folder of a particular user
- Ban environment variable that is set by the operating system
- Ca variable set by the administrator for each user of the system
- Da fixed value that represents the level of access of a user to system files
34A company has a preventive maintenance policy that requires every computer have a new restore point created every six months. How can a technician create the restore point?
- AFrom the CLI enter the command restore /cn.
- BChoose Start > Control Panel > Accessories > System Tools > System Restore > Create a restore point.
- CChoose Start > All Programs > Accessories > System Tools > System Restore > Create a restore point.
- DRight-click My Computer and then choose Properties > Restore > Create Restore Point.
35A technician is asked to set up one hard drive that will support two operating systems and will store data files in three separate drive locations. Which partition settings will support these requirements?
- A1 primary, 3 active, 1 extended, 2 logical
- B2 logical, 2 active, 3 extended
- C2 primary, 1 active, 1 extended, 3 logical
- D3 primary, 1 active, 2 extended
36A user believes that a data file on a Windows XP computer has been corrupted. Which utility can provide the best information about the data file?
- ADefrag
- BChkdsk
- CMsconfig
- DRegedit
37Which two-factor identification method requires a user to use a small radio transmitting device and then enter a password in order for the authentication to be accepted?
- Asmart key
- Bbiometric reader
- Celectronic key card
- Dkey fob
38The corporate security policy states that all remote connections use only secure tunnels for data communications. Which encryption technique secures data traveling across the public Internet as if it were traveling across the corporate LAN?
- AMD5
- BVPN
- CWEP
- DWPA
39What type of security attack is being launched when a hacker calls a company to obtain computer login information and pretends to be an employee?
- Aspyware
- Bphishing
- Cadware
- DTrojan
- Esocial engineering
40What best describes the security threat of spoofing?
- Amaking data appear to come from a source that is not the actual source
- Bsending abnormally large amounts of data to a remote server to prevent user access to the server services
- Cintercepting traffic between two hosts or inserting false information into traffic between two hosts
- Dsending bulk email to individuals, lists, or domains with the intention to prevent users from accessing email
41Which three attributes of NTFS make it a better file system than FAT32? (Choose three.)
- Afile and folder permission options
- Bfile size per volume of 4.17 million
- Cjournaling
- Dlarge cluster size
- Eencryption at the file and folder level
- Fmaximum individual file size of 4 GB
42Which open standards-based wireless security mode supports the highest level of security?
- AWEP
- BWPA2
- CWPA
- DLEAP
43After logging into a computer, a user can view files but is unable to download the files. What action can the administrator take to allow the user to download the files while preventing deletion of the files?
- ASet the folder permissions to Read.
- BSet the file permissions to Modify.
- CSet the file permissions to Full Control
- DSet the file permissions to Read and Execute.
44A technician is servicing a laser printer. Which two printer parts should the technician avoid touching because they retain large amounts of voltage even when disconnected from a power source?
- Aconditioning roller
- Btoner cartridge
- Ccorona wire
- Dprinter head
- Epaper tray
45A wireless LAN is being deployed inside the new one room office that is occupied by the park ranger. The office is located at the highest part of the national park. After network testing is complete, the technicians report that the wireless LAN signal is occasionally affected by some type of interference. What are two possible causes of the signal distortion? (Choose two.)
- Athe microwave oven
- Bthe large number of trees that surround the office
- Cthe cellular phones that are used by the employees
- Dthe elevated location where the wireless LAN was installed
- Ethe number of wireless devices that are used in the wireless LAN
46A technician is to document the current configurations of all network devices in a college, including those in off-site buildings. Which protocol would be best to use to securely access the network devices?
- AFTP
- BHTTP
- CSSH
- DTelnet
47A computer can access devices on the same network but cannot access devices on other networks. What is the probable cause of this problem?
- AThe cable is not connected properly to the NIC.
- BThe computer has an invalid IP address.
- CThe computer has an incorrect subnet mask.
- DThe computer has an invalid default gateway address.
48What is the reason for disabling SSID broadcasting and changing the default SSID on a wireless access point?
- AAnyone with the default SSID can gain access to the access point and change the configuration.
- BDisabling SSID broadcasting frees up radio frequency bandwidth and increases the data throughput of the access point.
- CThe access point stops broadcasting its own MAC address, thus preventing unauthorized wireless clients from connecting to the network.
- DWireless clients must then have the SSID manually configured to connect to the wireless network.
49After confirming the removal of a virus from a computer, how should the technician ensure and verify the full functionality of the system?
- ACheck for the latest OS patches and updates.
- BDocument the problem and the procedures performed to solve it.
- CTalk with the user to determine the cause of the problem.
- DGather information from a number of sources to clearly identify the problem.
50Rogue antivirus warning windows have been reported as appearing on computers in a company. The computer systems administrator is drafting a notice to all employees explaining how to deal with this problem. In addition to a description of the problem and the reporting procedure, which two instructions should also be included in the notice? (Choose two.)
- ADo not click anywhere in the warning window.
- BIf the window has to be closed, then press Alt + F4.
- CClose the window by clicking the cross in the top right corner.
- DClick the Cancel button in the window to close the window.
- EUpdate the antimalware software on the computer.
51An audit reveals company files that are stored in the personal server space of a former employee have been modified after the employee left the company. What should be done to prevent further unauthorized access to these files, while still allowing the company to use them?
- ADisable the account of the former employee.
- BDelete the account of the former employee.
- CDelete the files from the server.
- DChange the account to a Guest account.
52A technician is explaining the differences between inkjet printers and laser printers to a customer. Which two comparisons should the technician make? (Choose two.)
- AInkjet printers are less expensive as an initial purchase than laser printers.
- BA laser printer is significantly slower than an inkjet printer.
- CBoth laser and inkjet printers produce poor quality images.
- DThe laser printer output is dry after printing, but an inkjet printer may still have wet ink on the paper after printing.
- EInkjet printers use plain paper to make economical prints, but laser printers require more expensive thermal paper.
53Which two procedures should be done before performing preventive maintenance on a laptop? (Choose two.)
- AAttach any devices that are normally used as part of daily operations.
- BVerify that all drivers are current.
- CEnsure the BIOS is the latest version.
- DDisconnect the AC adapter.
- ERemove the battery.
- FEnsure the latest operating system updates have been applied.
54In what circumstance would plenum-rated twisted-pair computer network cabling be required?
- Awhen the required cable run is more than 330 feet in length
- Bwhen the cable run must be installed inside a ceiling
- Cwhen the cable run connects to the MDF
- Dwhen the cabling is installed at a punchdown block in a wiring closet
55Which three actions should be part of a regular computer preventive maintenance plan? (Choose three.)
- Aremoving dust from fan intakes, the power supply, and peripherals
- Binstalling appropriate security updates
- Cremoving unused or unwanted programs
- Dchanging browser settings
- Edeleting old email
- Finstalling more RAM in the machine
56Which feature is characteristic of the ntbackup command?
- AIt can be executed from a batch file.
- BIt can be used to restore files.
- CIt is used to create a copy of the registry.
- DIt is used to create restore points.
57What are the four layers in the TCP/IP reference model?
- AHTTP, TCP, IP, Ethernet
- BTCP, IP, Ethernet, IEEE
- Capplication, transport, internet, network access
- Dapplication, presentation, session, transport
- Ephysical, data link, network, transport
58After the administrator manually configures the correct SSID on a new laptop, the computer is still unable to connect to the wireless LAN. Which additional action should the administrator take to resolve this problem?
- AModify the group account of the user to include all file permissions.
- BReboot the wireless access point.
- CRename the laptop and reset the user password on the network.
- DVerify that the MAC address for the laptop is in the MAC address filter table.
59The current IP configuration of a small company is done manually and is time-consuming. Because of increased network growth, a technician needs a simpler way for IP configuration of workstations. Which service would simplify the workstation IP configuration task?
- AAPIPA
- BDHCP
- CDIPS
- DICMP
60What is a typical task performed by a level one technician in a call center?
- Agathering information when a customer calls for help
- Bsolving the problem that might require opening up the computer case
- Cusing remote access software to troubleshoot the customer computer
- Dpicking up an escalated work order and calling the customer for further information
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