A+ 220-901

Descripción

A+ 220-901
REMOVE YOURSELF
Test por REMOVE YOURSELF, actualizado hace más de 1 año
REMOVE YOURSELF
Creado por REMOVE YOURSELF hace más de 7 años
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Resumen del Recurso

Pregunta 1

Pregunta
You are attempting to load an operating system DVD at computer startup. Which of the following settings should you modify in the BIOS/UEFI?
Respuesta
  • Enable a BIOS password
  • Boot sequence
  • Enable TPM
  • Disable TPM

Pregunta 2

Pregunta
Which of the following devices should be configured to block specific ports on the network?
Respuesta
  • Firewall
  • Gateway
  • Router
  • Bridge
  • Access point

Pregunta 3

Pregunta
Which connector is necessary to supply power to a graphics expansion card? (Select the best answer.)
Respuesta
  • 8-pin 12 V
  • PCIe 6-pin
  • 20-pin
  • SATA

Pregunta 4

Pregunta
Which of the following describes the use of DNS as it relates to TCP/IP networks?
Respuesta
  • Provides automated addressing to computers on the network
  • Provides mapping of user-friendly names to network resources
  • Provides separate control and data connections between network resources
  • Provides remote connectivity to resources on the network

Pregunta 5

Pregunta
Which of the following is the best option for storing 6,153 MB of data on one disc?
Respuesta
  • DVD-9 DL
  • CD-R 48x
  • DVD-5 SL
  • RAID 5

Pregunta 6

Pregunta
Which of the following memory technologies enables protection against random inconsistencies when storing data?
Respuesta
  • Quad-channel
  • Unbuffered
  • Dual-channel
  • ECC

Pregunta 7

Pregunta
A laptop’s volume buttons do not function. Which of the following should be downloaded and installed to make the volume button function properly?
Respuesta
  • ACPI driver from the manufacturer’s website
  • Special keys driver from the manufacturer’s website
  • AHCI driver from the manufacturer’s website
  • Bluetooth stack/driver from the manufacturer’s website

Pregunta 8

Pregunta
Of the following lists, which is the best group of configurations for a Home Theater PC, a Thick Client, and a Gaming PC?
Respuesta
  • Home Theater PC - Dual core CPU, 4 GB RAM, 250 watt HTPC, TV Tuner, 250 GB SSD Thick Client - Quad core CPU, 16 GB RAM, 800 watt Full ATX, Liquid Cooling, 250 GB SSD Gaming PC - Dual core CPU, 8 GB RAM, 400 watt ATX, Windows 7 32-bit, 1 TB SATA
  • Home Theater PC - Dual core CPU, 12 GB RAM, 250 watt HTPC, TV Tuner, 250 GB SSD - Thick Client - Dual core CPU, 4 GB RAM, 250 watt ATX, Windows 7 32-bit, 250 GB SATA Gaming PC - Quad core CPU, 16 GB RAM, 800 watt Full-ATX, Liquid Cooling, 1 TB SATA
  • Home Theater PC - Single core CPU, 4 GB RAM, 250 watt HTPC, TV Tuner, 250 GB SATA Thick Client - Hex core CPU, 32 GB RAM, 800 watt Full ATX, Video Capture Card, 250 GB SSD Gaming PC - Dual core CPU, 32 GB RAM, 800 watt mini-ATX, Windows Vista 32-bit, 3 TB SATA

Pregunta 9

Pregunta
A computer you are working on randomly reboots. Which of the following should be checked first when troubleshooting the computer? (Select the two best answers.)
Respuesta
  • Memory integrity
  • Video card integrity
  • CMOS battery
  • PSU integrity
  • Optical drive integrity

Pregunta 10

Pregunta
Which of the following scenarios can be described as memory modules divided into two banks, only one of which can be seen by the computer at any time?
Respuesta
  • Single-sided
  • Double-sided
  • ECC
  • Non-ECC

Pregunta 11

Pregunta
Which of the following cooling methods will an integrated GPU in a common desktop most likely use?
Respuesta
  • Heat sink and fan
  • Heat sink
  • Liquid cooling
  • Video card cooling fan

Pregunta 12

Pregunta
Which of the following connection types is used to “beam” information between two devices over very short distances?
Respuesta
  • 802.11n
  • Parabolic antenna
  • IR
  • Bluetooth

Pregunta 13

Pregunta
Which type of memory will a smartphone typically use for storage of videos and music?
Respuesta
  • SD
  • eMMC
  • MicroSD
  • SODIMM

Pregunta 14

Pregunta
You have been tasked with configuring two drives for maximum performance. Which of the following RAID types should you select?
Respuesta
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 10

Pregunta 15

Pregunta
Which of the following are input devices that you might use with video games? (Select the three best answers.)
Respuesta
  • Microphone
  • Webcam
  • Gamepad
  • Joystick
  • Digitizer
  • Camcorder

Pregunta 16

Pregunta
Which of the following is the most common type of networking connector?
Respuesta
  • RJ11
  • F-connector
  • BNC
  • RJ45

Pregunta 17

Pregunta
Which protocol is relied upon most by Active Directory? (Select the best answer.)
Respuesta
  • SMB
  • HTTP
  • LDAP
  • WINS

Pregunta 18

Pregunta
Which of the following printer technologies uses piezoelectric pressure pads to produce small bubbles that are moved to the paper?
Respuesta
  • Laser
  • Inkjet
  • Thermal
  • Impact

Pregunta 19

Pregunta
You are working on a laptop. Which of the following devices requires you to remove the CPU to replace it?
Respuesta
  • Backlight
  • Keyboard backlight
  • Function key
  • System board

Pregunta 20

Pregunta
Which of the following environmental impacts can cause the customer to lose data?
Respuesta
  • Blackout
  • Air filters
  • Being on time
  • Backup battery

Pregunta 21

Pregunta
Which of the following video ports can send purely digital signals?
Respuesta
  • HDMI and DVI
  • VGA and DVI
  • VGA and HDMI
  • DVI and S-Video

Pregunta 22

Pregunta
Which of the following types of cables uses a 9-pin connector?
Respuesta
  • USB
  • Ethernet
  • Serial
  • RJ11

Pregunta 23

Pregunta
You need to describe RAID to a nontechnical customer. Which of the following represents the best way to describe RAID?
Respuesta
  • RAID stands for Redundant Array of Independent Disks.
  • RAID utilizes multiple disks to increase performance and/or enable protection from data loss.
  • RAID is a dynamic disk management system.
  • RAID uses striping to reduce the amount of hard drive write time and utilizes parity bits to reconstruct the data from a failed hard drive.

Pregunta 24

Pregunta
A customer of yours is opening an Internet Café and wants to offer computers for the patrons to access the Internet. Which type of computer system should you recommend?
Respuesta
  • Thin client
  • Thick client
  • HTPC
  • Gaming PC

Pregunta 25

Pregunta
You replaced a bad internal WLAN card in a Windows 7 laptop. You complete the installation and verify that the new WLAN card is listed in the Device Manager as enabled. What should you do next to actually use the card?
Respuesta
  • Type the security passphrase
  • Update the firmware of the WLAN card
  • Configure encryption on the router
  • Add the SSID of the network to the connection

Pregunta 26

Pregunta
Which of the following lists the correct nonoverlapping channels in the 2.4 GHz wireless spectrum?
Respuesta
  • 2, 4, 6, 8, 10
  • 1, 5, 10
  • 1, 6, 11
  • 3, 6, 10

Pregunta 27

Pregunta
Which of the following is the module format used by a laptop’s DDR4 SODIMMs?
Respuesta
  • 200-pin
  • 204-pin
  • 240-pin
  • 260-pin

Pregunta 28

Pregunta
Which of the following is the correct pinout for T568B?
Respuesta
  • Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown
  • Blue, blue/white, orange/white, orange, brown/white, brown, green/white, green
  • Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown
  • Orange/white, orange, brown/white, brown, green/white, green, blue, blue/white

Pregunta 29

Pregunta
A customer wants to share a local USB printer with other users in the office. Which of the following is the best method to accomplish this?
Respuesta
  • Install a print server
  • Enable print sharing
  • Install a USB hub
  • Install shared PCL drivers

Pregunta 30

Pregunta
Your co-worker’s laptop screen is extremely dim. You attempt to alter the brightness with the function keys but the display never gets brighter. Which of the following is the most likely cause?
Respuesta
  • Backlight failure
  • Bulb failure
  • Battery failure
  • The display driver is corrupted

Pregunta 31

Pregunta
Which of the following has the shortest wireless range for printing?
Respuesta
  • Bluetooth
  • Infrared
  • 802.11g
  • 802.11a

Pregunta 32

Pregunta
Which of the following should be reset during normal printer maintenance?
Respuesta
  • Page count
  • Job queue
  • Print job cache
  • Tray settings

Pregunta 33

Pregunta
Which of the following is the best protocol to use when securely transferring large files?
Respuesta
  • FTP
  • SSH
  • TELNET
  • SFTP

Pregunta 34

Pregunta
A laptop’s battery fails to charge. Which of the following should be checked first?
Respuesta
  • DC-in jack
  • AC-in jack
  • CMOS battery
  • AC circuit breaker

Pregunta 35

Pregunta
You are replacing a PSU for a computer that requires power connections for two SATA hard drives, an older fan that uses Molex power connectors and two video cards configured for SLI with their own power connections. How many unique power connectors will the PSU need to accommodate the listed devices?
Respuesta
  • 2
  • 3
  • 4
  • 5

Pregunta 36

Pregunta
You need to make a patch cable to connect a computer to an RJ45 wall jack. Which tool of the following tools should be used to attach the RJ45 plugs to the patch cable?
Respuesta
  • Crimper
  • Punchdown tool
  • Loopback plug
  • Cable tester

Pregunta 37

Pregunta
A user with an inkjet printer states that all color printouts are missing red ink. The printer has cartridges for each of the CMYK colors, and the user has recently replaced the magenta cartridge. Which of the following steps should be performed next?
Respuesta
  • Verify that the printer cables are connected
  • Perform printer head cleaning
  • Purchase a maintenance kit
  • Use different weighted paper

Pregunta 38

Pregunta
Which of the following cable types might be used in POT connections?
Respuesta
  • Cat 3
  • RG-6
  • RG-59
  • Multimode

Pregunta 39

Pregunta
Which of the following should be placed on a DMZ?
Respuesta
  • Smartphones
  • Wireless printers
  • Gaming servers
  • Backup servers

Pregunta 40

Pregunta
You have been tasked with resolving a shadowy image that is being printed from a network printer. What should you do?
Respuesta
  • Replace the drum
  • Replace the fuser
  • Run a calibration
  • Replace the network cable

Pregunta 41

Pregunta
A fully functional touchscreen LCD monitor requires a DVI connection and a power connection. Which of the following is also required?
Respuesta
  • SCSI connection
  • USB connection
  • Ethernet connection
  • Parallel connection

Pregunta 42

Pregunta
Which of the following are common hardware requirements in a home server? (Select the two best answers.)
Respuesta
  • RAID array
  • Virtualization support
  • Gigabit Ethernet
  • Touchscreen
  • Dual monitors

Pregunta 43

Pregunta
Which of the following computer components are located on the northbridge? (Select the two best answers.)
Respuesta
  • CPU
  • Hard drive
  • Audio
  • Fan
  • RAM

Pregunta 44

Pregunta
When placing a mobile device into airplane mode, which of the following features are typically disabled? (Select the two best answers.)
Respuesta
  • Wireless
  • Cellular data
  • Multitouch capability
  • Data encryption

Pregunta 45

Pregunta
Which of the following is enabled in the BIOS/UEFI that will prompt a user to enter her password every time the laptop performs a POST?
Respuesta
  • Administrative password
  • Windows password
  • Power-on password
  • Supervisory password

Pregunta 46

Pregunta
Which of the following socket types is used by an AMD CPU?
Respuesta
  • 775
  • FM1
  • 1155
  • 1366

Pregunta 47

Pregunta
Which of the following should be used when building a high-end graphics workstation for CAD applications? (Select the two best answers.)
Respuesta
  • An eSATA drive
  • More than four accessible USB 3.0 ports
  • Main memory of 16 GB or more
  • A 32-bit OS for the large amount of expected drive I/O
  • A PCIe video card with a large amount of memory

Pregunta 48

Pregunta
One of the users on your network states that a laser printer has a smudge that repeats itself every few inches down the center of every printed page. Which of the following most likely needs replacing?
Respuesta
  • Fuser
  • Pickup Assembly
  • Roller
  • Toner drum

Pregunta 49

Pregunta
A workgroup of five PCs uses a shared printer. A customer says she cannot print to the printer but can access shares on another PC used for common files. The printer appears to be powered on. Which of the following would be the most likely cause?
Respuesta
  • PC is off the network
  • Printer needs to be restarted
  • Printer is low on toner
  • Device drivers are corrupted

Pregunta 50

Pregunta
You need to use the correct version of PING that will resolve an IP address to a hostname. Which switch should you use?
Respuesta
  • -a
  • -f
  • -n
  • -t

Pregunta 51

Pregunta
Which of the following resolution modes by design provides the best possible visual quality on an LCD monitor?
Respuesta
  • Digital
  • Native
  • SVGA
  • XGA

Pregunta 52

Pregunta
Which of the following is one of the main hardware differences between a tablet computer and a laptop computer?
Respuesta
  • The laptop always has a multitouch touchscreen.
  • Tablets are typically not upgradeable.
  • Laptops are typically not upgradeable.
  • Laptops typically use ARM processors.

Pregunta 53

Pregunta
Which of the following should be placed on a DMZ?
Respuesta
  • Smartphones
  • Wireless printers
  • Gaming servers
  • Backup servers

Pregunta 54

Pregunta
Which of the following cable types might be used in POTS connections?
Respuesta
  • Cat 3
  • RG-6
  • RG-59
  • Multimode

Pregunta 55

Pregunta
A user with an inkjet printer states that all color printouts are missing red ink. The printer has cartridges for each of the CMYK colors, and the user has recently replaced the magenta cartridge. Which of the following steps should be performed next?
Respuesta
  • Verify that the printer cables are connected
  • Perform printer head cleaning
  • Purchase a maintenance kit
  • Use different weighted paper

Pregunta 56

Pregunta
You need to make a patch cable to connect a computer to an RJ45 wall jack. Which tool of the following tools should be used to attach the RJ45 plugs to the patch cable?
Respuesta
  • Crimper
  • Punchdown tool
  • Loopback plug
  • Cable tester
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