Comptia A+ 220-901 Set-2 (Post Pre-Test)

25 July 2022
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question
USB 3.0 is a considerable advancement over its predecessors. Different cabling is required to support the higher throughput. Given this, what will you use to identify the USB 3.0 B-Male connector? A. Size B. All choices apply C. Shape D. Color
answer
B. All choices apply
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A good processor cooler consists of which of the following components? A. Heat sink and fan B. Fan C. Speed control D. Cooler
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A. Heat sink and fan
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Which laser printer component is not part of the cartridge? A. Cleaning blade B. Drum C. Erase lamps D. Primary Corona
answer
C. Erase lamps
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Complete the formula for processor frequency. SYSTEM Bus Frequency X________ = Processor frequency A. Wattage B. Multiplier C. Voltage D. Amplitude
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B. Multiplier
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What is the best way to clear dust out of a PC? A. Blow out with vacuum exhaust B. Standard vacuum C. Compressed air D. Nylon brush
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C. Compressed air
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Your network adapter operates at this layer of the TCP/IP model. A. All of these B. Hardware C. Application D. OS
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B. Hardware
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What is the simplest RAID implementation? A. RAID 0 B. RAID 5 C. Spanning D. RAID 1
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C. Spanning
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This magnetic hard drive component controls the speed and rotational stability inside the unit. A. Spindle B. Platters C. Actuator D. Read/write heads
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A. Spindle
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Which component is likely to be damaged if hooked into a live circuit? A. Loopbak plug B. Toner probe C. Cable tester D. Wi-Fi analyzer
answer
C. Cable tester
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If the web services on the server are down where in the path between the sender and recipient will the communication fail? A. Hardware level on recipient unable to pass traffic B. OS level on recipient unable to pass traffic C. Hardware level on sender unable to pass traffic D. OS level on sender unable to pass traffic
answer
B. OS level on recipient unable to pass traffic
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You are having trouble with a FireWire 400 DVD burner. It is an intermittent issue. You check it in Device Manager and it has a Yellow exclamation point in a triangle next to it. What does that mean? A. Bad media B. Device has a problem C. Loose cable D. Failure eminent
answer
B. Device has a problem
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You are installing a Pentium LGA 1150 processor. After inserting the processor there is a silver hinged plate and a lever. What is the correct term for the plate? A. Alignment plate B. Securing plate C. Contact plate D. Load plate
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D. Load plate
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This twisted -pair cable type can operate at frequencies up to 600 MHz. A. CAT-3 B. CAT-7 C. CAT-6 D. CAT-5e
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B. CAT-7
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A motherboard can use dual channels to improve performance with which of the following memory types? A. FPM B. DDR2 C. EDO D. PFM
answer
B. DDR2
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Which of the Intel socket types is also known as an Intel LGA1150? A. Socket T B. Socket B C. Socket 3 D. Socket H3
answer
D. Socket H3
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Your processor contains four ALUs. Four L1 and four L2 Cache, A single I/O unit and a single Control unit. A. Quad core B. Single core C. Throttled D. Dual core
answer
A. Quad core
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This technology measures key parameters of a drives performance like spin up time on a magnetic drive or the number of write operations on an SSD, which would help predict when a failure will occur. A. S-SHD B. SDA C. S.M.A.R.T D. BIOS
answer
C. S.M.A.R.T
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Of the cable types shown which has the shortest cable length? A. 10 BaseF B. 1000BaseFX C. 10Base2 D. 100 BaseT
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D. 100 BaseT
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On a _________ printer, removing and gently rocking the cartridge will temporarily resolve an uneven print problem. A. Any of these B. Laser C. Inkjet D. Dot matrix
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B. Laser
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Which of the motherboard connection choices provided would prevent the PC from booting if not connected? A. POWER LED B. RESET SW C. HDD LED D. POWER SW
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D. POWER SW
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When reassembling your PC what does the text recommend as the first step? A. Install drives B. Install power supply C. Install motherboard D.Install expansion cards
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B. Install power supply
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How would the front panel motherboard connector for the Power Indicator be labeled? A. POWER LED B. PWLED C. POWL D. PLED
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B. PWLED
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Your Intel system plays one long and 2 short beeps during post and there is no display. What is the issue? A. Motherboard problem B. Memory error C. Loose expansion card D. Video problem
answer
D. Video problem
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When disassembling a PC which part is removed first in the majority of cases? A. Side panel B. Back panel C. Top panel D. Front panel
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A. Side panel
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The onboard Ethernet network adapter has failed in your laptop. It is not under warranty. What is the path of least resistance to a workable solution? A. Replace the failed part. B. Replace the motherboard. C. Get WiFi replacement. D. Obtain an external USB Ethernet adapter.
answer
D. Obtain an external USB Ethernet adapter.
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Made up of a large aluminum block with an attached fan. This component obscures the view with the system's __________. A. Chip set B. Memory C. CPU D. BIOS
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C. CPU
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To obtain new IPv6 leases for your machine what would you type? A. ipconfig /all B. ipconfig /renew6 C. ipconfig /release D. ipconfig /renew E. ipconfig /release6
answer
B. ipconfig /renew6
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Tin addition to the power supply fan it is not unusual to find fans on the devices shown EXCEPT the _____________. A. Processor B. Video card C. Case D. Hard drive
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D. Hard drive
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When selecting the motherboard for an AMD based gaming system that will use dual NVIDIA video cards which of the compatibility choices listed should you choose? A. SLV B. CrossFire C. GeForce D. nvForce
answer
B. CrossFire
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What is the first item you will need before opening a computer case? A. Container for screws B. ESD Strap C. Grounded outlet D. Screwdriver
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B. ESD Strap
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In the processor chip, registers work in way very similar to which of the following? A. ROM B. Hard Drives C. CD Drives D. RAM
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D. RAM
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What interface format would you use when setting up a HTPC display? A. 10-foot UI B. 3D C. HDMI D. 15-foot UI
answer
A. 10-foot UI
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You have been asked to build an Audio/Video editing workstation. What optical drive would be primary? A. DVD Burner B. Dual-layer double-sided DVD burner C. All of these D. Blu-ray burner
answer
B. Dual-layer double-sided DVD burner
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During the condition phase of the laser printing cycle a uniform electrical charge is applied to the surface of the drum. What is the value of this voltage? A. +600 V B. -600 V C. -300 V D. +300 V
answer
B. -600 V
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Intel's Sandy Bridge chipsets move the graphics and memory controller to the ________. A. South Bridge B. FSB C. Processor D. ICH Bridge
answer
C. Processor
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Which of the following constitutes a domain name? A. www.mydomain B. Mydomain.com C. My laptop D. None of these are correct
answer
B. Mydomain.com
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Which wireless standards does NOT operate at the 5.0GHz frequency? A. 802.11n B. 802.11ac C. 802.11g D. 802.11a
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C. 802.11g
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Your sound card has 5 color coded output jacks. To which would you connect the microphone? A. Green B. Pink C. Black D. Yellow E. Blue
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B. Pink
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This device manages traffic leaving one network and bound for another. A. Hub B. Gateway C. Wins Server D.Router
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B. Gateway
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You are upgrading your laptop to a new 2.5" SSD drive replacing the existing drive. What hardware issues will you need to address? A. May need to find secondary drive location. B. Need adapter for extra space in drive bay. C. There is no obvious problem here. D. The older SATA connector may not fit.
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C. There is no obvious problem here.
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Which protocol can be used to encrypt transmissions like FTP? A. SMB B. SSH C. LDAP D. SNMB
answer
B. SSH
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Best described as the proportional relationship between width and height. For example a resolution of 800 by 600 (800x600) demonstrates an _________ of 4 by 3 (4:3). A. Pixel pitch B. Pixel C. Resolution D. Aspect ratio
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D. Aspect ratio
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All PCI-X revisions are backward compatible with conventional PCI cards with this exception. A. 3.3 Volt B. 32-bit C. 5 Volt D. 64-bit
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C. 5 Volt
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What type of device is a touchscreen? A. Input B. Both C. Output D. Neither
answer
B. Both
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Why would you need to protect against ESD when working on a cell phone? A. As long as the battery is out there's nothing to worry about. B. Cellular components cannot be damaged by ESD C. You don't. Cell phones are insulated out of the box. D. None of these choices apply
answer
D. None of these choices apply
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If access is needed to a location where it is impractical to conventionally network which is the best, if not perfect solution? A. Both PoE and EoP will work B. Power over Ethernet C. Ethernet over Power D. Both PoE and EoP will work
answer
C. Ethernet over Power
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Your laptop is plugged into an outlet that provides AC current. What provides the DC current the laptop requires? A. DC converter B. AC adapter C. Converter D. Inverter
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B. AC adapter
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Your new laptop has USB 3.0 port. How will this affect the operation of your USB 2.0 devices attached to it? A. The drivers used for the 3.0 port are generic and will allow 2.0 devices to run at 3.0. B. Every USB port on the machine will downgrade to 2.0. C. The USB port will operate at 2.0. D. They will be a little faster, but not 3.0.
answer
C. The USB port will operate at 2.0.
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Which of the choices indicates the highest frequency? A. 1066 MHz B. 1600 MHz C. 533 MHz D. 2600 Hz
answer
B. 1600 MHz
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In a cell phone the battery is considered ______. A. FRU B. Recyclable C. Field Replaceable D. All choices apply
answer
D. All choices apply
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A unicast IPv6 message is used to send a messages to which of the following? A. All choices apply B. Unique local addresses C. Link-local addresses D. Global addresses
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A. All choices apply
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When selecting components for a new build which of the choices provided is the primary consideration? A. Form factor B. Power C. Location D. Manufacturer
answer
A. Form factor
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How many pins did the first ATX P1 connector use? A. 10 B. 16 C. 24 D. 20
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D. 20
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What happens to the data on a solid state drive when the power is lost? A. The data is lost. B. Some data is retained based on user settings. C. None of these choices apply D. The data is cached on magnetic media.
answer
C. None of these choices apply
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A router using this technique is able to allow hosts using private internet addresses to connect to the public internet. A. APIPA B. None of these are correct C. NAT D. PAT
answer
C. NAT
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To quickly find which keys to press to access BIOS you should? A. Download the manual B. Press and hold CTRL C. All of these are correct D. Follow onscreen instructions
answer
D. Follow onscreen instructions
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Your system is showing signs of overheating. What is the first thing you check? A. Check airflow in and out of case. B. Check processor for dust. C. See if it runs with the side panel off. D. Download a fan and temperature monitor.
answer
A. Check airflow in and out of case.
question
The connector type used for laptop keyboards is known by this acronym. A. KYBD B. IMD C. MFI D. ZIF
answer
D. ZIF
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To see the IP configuration of all adapters on your machine what would you type? A. ipconfig /all B. ipconfig /renew C. ipconfig /release6 D. ipconfig /release E. ipconfig /renew6
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A. ipconfig /all
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Of the choices provided which has the highest maximum speed? A. 802.11g B. 802.11n C. 1394a D. 802.11a
answer
B. 802.11n
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The input/output unit manages data and instructions entering and leaving the ____________. A. control unit B. Hard drive C. processor D. memory
answer
C. processor
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How many physical disks are required to implement RAID 5? A. At least 4 B. 3 or more C. 2 D. 2 or more
answer
B. 3 or more
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RDP applications listen on this port. A. 138 B. 3389 C. 443 D. 139
answer
B. 3389
question
You encounter a dead PC. Upon examination everything is correctly plugged into a power strip. What should you do? A. Check the outlet the power strip is plugged into. B. All choices apply C. Try the switch in another outlet. D. Check the power strip for a reset switch.
answer
B. All choices apply
question
A user calls you and is quite annoyed. They are locked out of their Notebook and are supposed to be in a web meeting. You try to calm them to get information but they keep saying, "Still locked out. I need to be in there NOW!" You explain that you are resetting their password, but you could better solve the problem if you knew how they got to this point. They say they understand but then exclaim, "Bam! Still locked out. Did you do ANYTHING yet? All I get is this stupid error and told to try again." You ask about the message and they tell you "Error says "NUMLOCK is on" whatever that has to do with anything." You tell them to press the NUMLOCK function keys once and try again. You then explain, "The NUMLOCK function being enabled made the machine think you..." The customer interrupts, states "I'm in," and hangs up. What have you accomplished? A. Fixed the problem B. Gave user confidence in the support system C. Educated the user D. Helped prevent future problems like this
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A. Fixed the problem
question
When you remove an expansion card you are advised to do all but which of the following? A. Pry out with screwdriver B. Rock card from end to end C. Rock card from side to side D. Pull straight out
answer
C. Rock card from side to side
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Which of the following statements is TRUE? A. SDHC and SDXC slots are backward compatible with SD cards. B. SDXC cards can be used in SDHC slots. C. SDXC cards will work in most SD slots. D. SDHC cards can be used in SD slots.
answer
A. SDHC and SDXC slots are backward compatible with SD cards.
question
Which LCD monitor technology produces its own backlighting? A. Neither of these B. Both of these C. TN D. IPS
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A. Neither of these
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From the run dialog box, which command would you use to bring up the System Information utility? A. Sysinfo32 B. Msinfo C. Msinfo32 D. Sysinfo
answer
C. Msinfo32
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This network type covers very large areas. Cellular networks and the Internet are good examples. A. None of these choices apply B. PAN C. WAN D. LAN
answer
C. WAN
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Machines that get their IP addresses assigned differently each time they log on get their addresses from this server. A. IPHOSTS B. ICAS C. DNS D. DHCP
answer
D. DHCP
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Which of the choices provided can operate in a frequency band other than 2.4 GHz? A. 802.11b B. 802.11n C. 802.11g D. Bluetooth
answer
B. 802.11n
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Which technology requires filters to be placed on analog phones? A. Satellite B. DSL C. Cable D. Fiber optic
answer
B. DSL
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How many instances of L3 cache will be present in a quad core processor? A. One Shared B. One for primary C. L3 is always off die D. One for each core
answer
A. One Shared
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Your PC has an on-board HDMI port. Until now you have been using the DVI connection. Now you have purchased and connected an HDMI monitor. There is no display. The power light comes on and the whole screen gets a bit lighter, but no image. With no display how can you determine if HDMI is enabled? A. Reread the manual. B. Reboot. C. Hook back up to the DVI. D. Double-check all connections.
answer
C. Hook back up to the DVI.
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You encounter a system that does nothing when power button is pressed. What do you check first? A. Video cable B. Power to the monitor C. Keyboard lock D. Power to the unit
answer
D. Power to the unit
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Which of the AMD socket types listed has 941 holes for pins (PGA)? A. AM3+ B. Socket 940 C. AM3 D. FM2
answer
C. AM3
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Which installation step is out of order? You are installing a PCIs x16 video card. 1. Attach supplemental power connector. 2. Insert card and engage clamp. 3. Screw card into case. 4. Verify slot is free and retention clamp is open. 5. Run setup CD.
answer
1. Attach supplemental power connector.
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Which AMD socket type has 905 holes for pins (PGA)? A. FM2 B. AM3 C. AM3+ D. FM1
answer
D. FM1
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A tablet PC with telephony capabilities is sometimes referred to as this. A. Tone B. e-reader C. Smart Tab D. Phablet
answer
D. Phablet
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When calculating your power requirements the power supply should be rated ____ higher than your expected needs. A. 50% B. 25% C. 30% D. 20%
answer
C. 30%
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How many pins does an internal SATA data connector have? A. 15 B. 4 C. 10 D. 7
answer
D. 7
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This type of hard disk typically has between one and three internal platters that can have data written to, stored on, and read from. A. Solid state drive B. Flash drive C. Magnetic hard drive D. None of these are correct
answer
C. Magnetic hard drive
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What is the purpose of the additional 4 pin connector on your new power supply? A. +12V to PCIe card B. -12V to PCIe card C. +12V to processor D. -12V to processor
answer
C. +12V to processor
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For which processor does Intel recommend using a liquid cooling system? A. LGA1175 B. LGA2011 C. FM2+ D. LGA775
answer
B. LGA2011
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In all parity memory uses __________. A. 10 bits B. 1 bit C. 8 bits D. 9 bits
answer
D. 9 bits
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The Packet InterNet Grouper command sends a series of echo requests to the target. The responses indicate the condition of the target and the connection statistically. What would you type to see if the address 66.96.149.150 is reachable? A. ping -t 66.96.149.150 B. ping -a 66.96.149.150 C. ping www.my-target.com D. ping 66.96.149.150
answer
B. ping -a 66.96.149.150
question
An inkjet printer output is streaked. What would you do? A. Calibrate the printer B. Clean the print heads C. Align the nozzles D. Change the cartridges
answer
C. Align the nozzles
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Your system is running slow and not always responding to key strokes immediately. What would cause this? A. Full hard drive B. Virus C. System cache corrupt D. Bad keyboard / mouse
answer
B. Virus
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What system manages devices essential to boot before the OS loads? A. CMOS B. BIOS C. PXR D. POST
answer
B. BIOS
question
In a clearly defined series of steps the major components are identified and then described before being removed. Which step is incorrect? 2- Open the Case and Examine the System 4- Remove Expansion Cards 3- Remove Processor fan 1- Plan and Organize Your Work
answer
3- Remove Processor fan