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Test Bank For Complete A+ Guide to IT
Hardware and Software: CompTIA A+ Exams
220-1101 & 220-1102 9th Edition All Chapters
- Which desktop computer component holds memory, ports, and, optionally, expansion slots?[ power supply | display | processor | motherboard ] - ANSWER>>1. Motherboard
- You are investigating why a Dell desktop computer reboots randomly after several hours of operation. Which search parameters would produce the best results? a. Dell "reboot" OR "reload" b. Dell computer c. Dell intermittent (reboot OR reload) d. Desktop computer reboot reload hours operation - ANSWER>>1. C Dell intermittent (reboot OR reload)
- Which is larger, a gigabyte or a megabyte? [ gigabyte | megabyte ] - ANSWER>>1. Gigabyte
Which components are output devices? (Select all that apply.) [ display | keyboard | mouse | printer | speakers ] - ANSWER>>1.
Which computer component converts AC to DC and distributes DC to internal computer components? [ power supply | motherboard | processor | BIOS ] - ANSWER>>1. Display, printer, speakers
- Which scenario contains an example of active listening? a. A technician is listening to a customer describe a display problem. The person is upset and in a panic because of an impending deadline. The technician interrupts the customer to calm the customer down. The technician then proceeds to ask
the customer closed questions to guide the customer through the troubleshooting process. b. A technician shows he is paying attention to the customer by documenting the facts given by the customer. c. A technician stares at the customer intently to show the customer that he is listening to the customer. d. A technician is listening to someone explain a printer problem. The technician follows the person to the printer so the person can show and explain what is happening with the printer. - ANSWER>>1. Power supply
- What device allows two computers to share the same displays, keyboard, and mouse?[ RAM | adapter | KVM switch | processor ] - ANSWER>>1. D KVM switch
- Which components are end user storage devices? (Select all that apply.) [ optical drive | display | BIOS | hard drive | motherboard ] - ANSWER>>1. Optical drive and hard drive
- What is the most common (and most numerous) type of memory in a PC? [ BIOS | CPU | Flash | RAM ] - ANSWER>>1. RAM
List one way to easily and quickly identify the purpose of a particular adapter installed in a computer. - ANSWER>>1. Look at the port(s) on the adapter and/or trace the attached cable to a device.
- Which household supply would be appropriate when cleaning a keyboard? a. Upright vacuum b. Damp, lint-free cloth c. Bleach d. Glass cleaner - ANSWER>>1. B Damp, lint-free cloth
- A technician has been told that a keyboard is not responding at all. What can the technician do quickly to determine whether that is true? a. Press the Caps Lock key to see whether a light illuminates.
- You should use a/an _____ when installing an adapter into a PC.[ antistatic wrist strap | power adapter | BIOS tool | screwdriver ] - ANSWER>>1. Antistatic wrist strap (Not all adapters require the use of a screwdriver to install.)
- Which two ports sometimes are identical in shape, size, and conductors? (Select two.) [ VGA | DVI-I | RJ-45 | DVI-A | RJ-11 | mouse | S/PDIF ] - ANSWER>>
- Which port adapter would convert from an analog signal to a digital signal? [ Thunderbolt-to-DVI | Thunderbolt-to-VGA | VGA-to-DVI | DVI-I-to-HDMI ] - ANSWER>>1. VGA-to-DVI
How would an internal USB connector be connected to add USB ports?[ card plugged into an expansion slot | cables connected to motherboard pins | an existing USB port on the device | USB-to-serial port converter ] - ANSWER>>1. Cables connected to motherboard pins
- In which instance would a technician be required to use a micro- or mini-USB cable? a. To connect more devices to a PC display b. To convert a DB-9 port to USB c. To connect certain portable devices to the computer d. To charge any device while it is connected - ANSWER>>c. To connect certain portable devices to the computer
- What is the maximum USB 3.0 cable length according to the specifications?[ 3' | 9.8' | 6' | 12.3 | no maximum ] - ANSWER>>9.8'
- What is the difference between an RJ-45 port and an RJ-11 port? a. RJ-45 has 8 conductors; RJ-11 has 4 conductors. b. RJ-45 supports fiber connections; RJ-11 supports copper connections. c. The RJ-45 jack looks like a phone jack; the RJ-11 jack looks like an RCA jack. d. RJ-11 is found on a modem; RJ-45 is found on a sound card. - ANSWER>>a. RJ- 45 has 8 conductors; RJ-11 has 4 conductors.
- What is the most common type of network port found on a PC?[ ArcNet | Token Ring | LANTastic | Ethernet ] - ANSWER>>a. RJ-45 has 8 conductors; RJ- has 4 conductors.
- Which type of port is found on an Ethernet port? [ RJ-45 | miniDIN | S/PDIF | coax ] - ANSWER>>1. RJ-
- Which wireless technologies are used with input and output devices? (Select all that apply.)[ WiMAX | satellite | IR | NFC | BigFoot | Bluetooth | Radio | Sirius ] - ANSWER>>1. IR, radio, Bluetooth, and NFC
- You have a male instructor named John Smith. What would be an appropriate title to use when addressing him in an email? a. Dear John b. Dear John Smith c. Dear Professor d. Dear Dr. - ANSWER>>1. C (Not all professors have their doctorate degree.)
- Which two technologies work in the 2.4GHz range and would be used to support a wireless mouse? [ WiMAX | satellite | IR | NFC | BigFoot | Bluetooth | Radio | Sirius ] - ANSWER>>1. Bluetooth and radio
- What type of memory speeds up processor operations?[ Flash | SD | SDRAM | cache ] - ANSWER>>cache
- How can you upgrade a PC's cache memory? a. Add more RAM to the motherboard. b. Add more memory to the processor. c. Upgrade the processor. d. Upgrade the chipset. - ANSWER>>c. Upgrade the processor.
- [ True or False ] A 4-pin fan cannot be used on a motherboard that has a 3-pin motherboard connector. - ANSWER>>False
- Which expansion slot has the potential for being the fastest? [ PCI | ISA | PCIe | AGP ] - ANSWER>>PCIe
- Consider a motherboard that shows a specification of PCI-E version 2.0 x16. What does the x16 represent? a. The number of bi-directional simultaneous bits transmitted at one time b. The number of threads handled at one time c. The maximum number of interrupts supported d. The maximum number of bi-directional transmission lanes supported - ANSWER>>d. The maximum number of bi-directional transmission lanes supported
- Which of the following help with active listening? a. Mute your cell phone. b. Maintain eye contact. c. Do not be distracted. d. Mentally review what the customer is saying. e. All of these help with active listening. - ANSWER>>e. All of these help with active listening.
- What are distended capacitors? a. Devices that provides a continuous voltage level to the processor b. Devices that allow the processor to operate at multiple voltage levels c. Components that bulge and are a visual sign of a problem motherboard d. Parts that allow the processor to operate at varying frequencies depending on the amount of heat produced - ANSWER>>c. Components that bulge and are a visual sign of a problem motherboard
- What BIOS-stored program tests basic hardware as part of the computer startup routine? [ Setup | Tester | POST | CMOS ] - ANSWER>>1. POST
- What is native resolution as it relates to a display? a. The default refresh rate b. The optimum setting for the number of pixels provided c. A ratio of width to height d. A ratio of height to width - ANSWER>>b. The optimum setting for the number of pixels provided
- Where are selected BIOS options stored?[ Flash | SD | CMOS | cache ] - ANSWER>>CMOS
- Which method is used to access Setup? a. A manufacturer-dependent keystroke b. The Devices and Printers Control Panel c. The System and Security Control Panel d. The Setup menu option - ANSWER>>a. A manufacturer-dependent keystroke
List one advantage of having a UEFI type of BIOS. - ANSWER>>A graphical environment with mouse support; possible virus-scanning software; other software; optional Internet access; support for monitoring heat, voltage levels, performance, and security; support for increased hard drive capacities; and has a boot manager instead of relying on the hard drive boot sector.
- Which BIOS/UEFI Setup option prioritizes devices in the order the computer looks for an operating system? [ General Optimization | System Information | Boot Options | Onboard Device Configuration ] - ANSWER>>1. Boot Options
- [True or False ] A BIOS/UEFI option may have to be enabled so that virtualization software can access additional hardware capabilities. - ANSWER>>1. True
- A technician is installing several components into a computer. Which component might require an additional connector from the computer's power supply? [ video card | USB card | NIC | eSATA card ] - ANSWER>>video card
A USB device is not responding. List one thing a technician might try first. - ANSWER>>1. Try the device in a different port, use Device Manager to see whether there ae any indications of an issue, connect the device to another computer, upgrade the device driver, disable power management, connect directly to a port instead of through a hub, or restart the computer and try the device again.
Why is it important for a technician to change one thing at a time? - ANSWER>>1. So the technician knows what step solved the problem
- What Windows tool is best to see whether a USB host controller is present?[ Disk Management | Services and Applications | Performance Manager | Device Manager ] - ANSWER>>Device Manager
- Can a USB port provide power to a device? [ Yes | No ] - ANSWER>>Yes
- Which device properties tab is used to check the device status to see whether any resource conflicts exist? [ Advanced | Troubleshooting | General | Maintenance ] - ANSWER>>General
- [ True or False ] An ESD strike is recoverable. - ANSWER>>1. False
- Which of the following is an example of EMI? a. A technician shares technical information using technical jargon so much that the customer is confused. b. A technician performs maintenance that extends the life of the PC. c. A component is weakened because a technician touched it. d. A speaker crackles whenever a cell phone is near the PC. - ANSWER>>1. D
List three types of connections to a desktop PC front panel. - ANSWER>>1. Three of the following: power button, hard drive activity light, power light, USB port connectivity, microphone input cable, headphone cable
- At what stage of building a computer would a technician install an I/O shield? a. Before attaching cables and after installing the motherboard b. After installing the external cables and motherboard c. Before installing the motherboard d. After installing the cables that connect to the front panel assembly - ANSWER>>1. C The motherboard ports need to extend through the I/O shield and be snug against the ports.
- [ True or False ] All-in-one computers can have hard drives, RAM, and optical drives installed. - ANSWER>>1. True
- Which two of the following can be applied to a lint-free cloth to clean an LCD? (Choose two.) a. Water b. Bleach c. Isopropyl alcohol d. Glass cleaner e. Vinegar - ANSWER>>1. A & C
- What recommendation should a technician give for a computer in the garden section of a home improvement store. Note that the computer is not out in the weather, but is not air conditioned. This section of the store has portions of it that are susceptible to the weather. a. Install additional processors. b. Have a maintenance kit beside the computer at all times. c. Use a keyboard cover. d. Install additional cooling devices. - ANSWER>>1. D
b. When attaching two computers to the same display(s), keyboard, and/or mouse through a KVM switch c. When using a portable device that attaches to wired and wireless networks d. On a gaming computer - ANSWER>>a. When traveling to other countries
- The power supply MUST match the form factor of which of the following? a. Processor b. RAM c. Case d. Fan - ANSWER>>c. Case
- An ATX power supply has two 8-pin connectors. What are the purposes of the two connectors? (Choose two.) [ CPU power | video adapter | PATA hard drive or optical drive | case fan | motherboard power ] - ANSWER>>1. CPU power and video adapter
- What power mode takes the longest to come out of? [ suspend | sleep | Wake on LAN | hibernate | Wake on Ring ] - ANSWER>>1. Hibernate
Power supplies are rated in _____. [ volts | volt amps | watts | amps ] - ANSWER>>1. Watts
- Which of the following power supplies are better for energy efficiency?[ 80 PLUS Silver | 80 PLUS Bronze | 80 PLUS Platinum | 80 PLUS Gold ] - ANSWER>>1. 80 PLUS Platinum
Write one sentence a technician might write in an email that demonstrates poor written communication skill. Then rewrite the same sentence to show how the sentence should be written. - ANSWER>>Why would you log a problem that hasn't included any of the symptoms?Could you provide more specific information as to what happened when you had your computer problem?
- What voltage is commonly used for hard drives and optical drives? a. + 3.3 V, + 12 V b. -5.0 V, + 12V c. + 5.0 v, + 12V d. 115 V, 220V - ANSWER>>c. + 5.0 v, + 12V
- Which type of memory does the motherboard have the most of? [ flash | RAM | SRAM | NVRAM ] - ANSWER>>RAM
- What is different about a DDR4L module compared to a DDR4 module? a. It is lower in height. b. It is lower in voltage. c. It is faster. d. It has memory modules on both sides, thus supporting higher capacities. - ANSWER>>It is lower in voltage.
- Can a DDR4 module fit in a DDR3 slot? [ Yes | No ] - ANSWER>>No
- [ True or False ] Unbuffered memory is faster than registered or fully buffered memory. - ANSWER>>True
- What is one "rule" about installing dual-voltage memory? a. The power supply must support it. b. The CPU must support it. c. All installed memory must be dual-voltage or else the system operates at the higher voltage. d. All installed memory must be dual-voltage or the system will not boot. - ANSWER>>c. All installed memory must be dual-voltage or else the system operates at the higher voltage.
- What is XMP as it relates to memory? a. A type of gaming memory module
the maximum memory supported is 4GB, what will you recommend to the user? Please ANSWER in complete sentences. - ANSWER>>1. If the user wants 3GB, a 1GB module can be installed. If the user wants 4GB, a 2GB module can be installed.
- Which memory chip is faster, one that operates at CL=9 or one that operates at CL=11? [ CL=9 | CL=11 ] - ANSWER>>CL=
- [ True or False ] Memory modules are especially susceptible to ESD. - ANSWER>>1. True
- What is virtual memory? a. Fast memory that does not require refreshing b. Memory on a DIMM that does not get accessed until the physical RAM has been exhausted c. Memory that can be accessed faster than physical RAM d. Hard drive space that is used for additional memory storage - ANSWER>>1. True
- Which is faster, motherboard RAM or virtual memory? [ motherboard RAM | virtual memory ] - ANSWER>>1. Motherboard RAM
- What Windows application is used to see current memory utilization in real time?[ System Information | Memory Diagnostics | Task Manager | Device Manager ] - ANSWER>>1. Task Manager
A user complains of slow performance. The netbook computer only supports 1GB of RAM. List two recommendations for the user. - ANSWER>>1. Suggested ANSWERs: Only have one application running at any one time, set screen savers and wallpaper to a plain scheme, increase the size of virtual memory, delete unused files and applications, and empty the recycle bin.
- You have been asked to look at a one year old machine that displays a message that SPD device data is missing. What will you do?a. Replace the memory module. b. Disable the TPM module. c. Check voltage levels to the memory module. d. Check output voltage from the power supply. e. Check to see whether the case and CPU fans are operational. - ANSWER>>1. Suggested ANSWERs: Only have one application running at any one time, set screen savers and wallpaper to a plain scheme, increase the size of virtual memory, delete unused files and applications, and empty the recycle bin.
- [ True | False ] Flash memory is nonvolatile because it loses its contents once power is removed from the PC. - ANSWER>>1. False; flash memory is nonvolatile, which means it does not lose its contents when power is removed to the computer.
- List one way you can be a team player as a classmate. - ANSWER>>1. ANSWERs will vary, but one example of being a good team player in school is participating in group activities when assigned.
PCIe - ANSWER>>peripheral component interconnect express
UEFI - ANSWER>>Unified Extensible Firmware Interface
CMOS - ANSWER>>complementary metal-oxide semiconductor
What is an advantage of having a drive that spins at a higher RPM? - ANSWER>>Faster data transfers
Can SSDs have head crashes? - ANSWER>>No because SSDs are not mechanical drives. SSDs do not have heads that float above hard platters.
What type of memory do SSDs use? - ANSWER>>Flash
A technician is working on a hard drive problem. You walk up and the technician tells you the drive has mounted but still doesn't operate. What does this mean? - ANSWER>>The drive heads have moved and are in position over the disk platter.
What Windows tool is used to see whether a hard drive is recognized or is mounted, or whether there is an issue? - ANSWER>>Disk Management
Which hard drive installation step allows a drive letter to be assigned to all or part of a hard drive? - ANSWER>>Partitioning
Which hard drive step prepares the drive to use a particular file system? - ANSWER>>high-level formatting
What is the most popular file system in use today? - ANSWER>>NT File System (NTFS)
You use a Windows tool to manage a particular hard drive that came with the system. You see a partition marked as an EFI partition. What is the purpose of this partition? - ANSWER>>It is used to hold specific applications that can be accessed and used before the operating system loads.
Which RAID level provides fault tolerance and what is written on one hard drive is written to the second hard drive? - ANSWER>>
Which Windows technology allows you to combine multiple hard drives of different types and/or internal/external to be seen as one hard drive to the operating system? - ANSWER>>Storage Spaces
What is an optical drive's x factor? - ANSWER>>The type of drive based on its speed
The amount of time an optical drive takes to randomly move around the disk is its:? - ANSWER>>Seek time
How can you test whether the scanner glass is adequately clean and free of scratches? - ANSWER>>Use the scanner without a document loaded on the glass
Which two devices convert light into digital bits? - ANSWER>>digital camera
scanner
Which multimedia device is commonly used to draw pictures? - ANSWER>>Digitizer
What smart card reader technology allows specific types of wireless devices to perform financial and ticketing transactions? - ANSWER>>NFC
What is one of an IT professional's greatest assets? - ANSWER>>A positive attitude
Which multimedia device commonly uses a pen as an input device? - ANSWER>>Digitizer
Which multimedia device uses an accelerometer? - ANSWER>>Motion sensor
Which Windows tool would a technician use to verify a game controller is recognized by the system? - ANSWER>>. Device Manager
What Windows 10 feature is a biometric device application that supports facial recognition and fingerprint detection? - ANSWER>>Hello
A technician is looking at lumens at part of the specifications on a device being recommended to a customer. Which multimedia device is the technician researching? - ANSWER>>Projector
Which multimedia device is used to transmit live video? - ANSWER>>Webcam
