REMOVE YOURSELF
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A+ 220-901

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REMOVE YOURSELF
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A+ 220-901

Questão 1 de 56

1

You are attempting to load an operating system DVD at computer startup. Which of the following settings should you modify in the BIOS/UEFI?

Selecione uma das seguintes:

  • Enable a BIOS password

  • Boot sequence

  • Enable TPM

  • Disable TPM

Explicação

Questão 2 de 56

1

Which of the following devices should be configured to block specific ports on the network?

Selecione uma das seguintes:

  • Firewall

  • Gateway

  • Router

  • Bridge

  • Access point

Explicação

Questão 3 de 56

1

Which connector is necessary to supply power to a graphics expansion card? (Select the best answer.)

Selecione uma das seguintes:

  • 8-pin 12 V

  • PCIe 6-pin

  • 20-pin

  • SATA

Explicação

Questão 4 de 56

1

Which of the following describes the use of DNS as it relates to TCP/IP
networks?

Selecione uma das seguintes:

  • 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

Explicação

Questão 5 de 56

1

Which of the following is the best option for storing 6,153 MB of data on one disc?

Selecione uma das seguintes:

  • DVD-9 DL

  • CD-R 48x

  • DVD-5 SL

  • RAID 5

Explicação

Questão 6 de 56

1

Which of the following memory technologies enables protection against random inconsistencies when storing data?

Selecione uma das seguintes:

  • Quad-channel

  • Unbuffered

  • Dual-channel

  • ECC

Explicação

Questão 7 de 56

1

A laptop’s volume buttons do not function. Which of the following should be downloaded and installed to make the volume button function properly?

Selecione uma das seguintes:

  • 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

Explicação

Questão 8 de 56

1

Of the following lists, which is the best group of configurations for a Home Theater PC, a Thick Client, and a Gaming PC?

Selecione uma das seguintes:

  • 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

Explicação

Questão 9 de 56

1

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.)

Selecione uma ou mais das seguintes:

  • Memory integrity

  • Video card integrity

  • CMOS battery

  • PSU integrity

  • Optical drive integrity

Explicação

Questão 10 de 56

1

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?

Selecione uma das seguintes:

  • Single-sided

  • Double-sided

  • ECC

  • Non-ECC

Explicação

Questão 11 de 56

1

Which of the following cooling methods will an integrated GPU in a common
desktop most likely use?

Selecione uma das seguintes:

  • Heat sink and fan

  • Heat sink

  • Liquid cooling

  • Video card cooling fan

Explicação

Questão 12 de 56

1

Which of the following connection types is used to “beam” information between two devices over very short distances?

Selecione uma das seguintes:

  • 802.11n

  • Parabolic antenna

  • IR

  • Bluetooth

Explicação

Questão 13 de 56

1

Which type of memory will a smartphone typically use for storage of videos and music?

Selecione uma das seguintes:

  • SD

  • eMMC

  • MicroSD

  • SODIMM

Explicação

Questão 14 de 56

1

You have been tasked with configuring two drives for maximum performance. Which of the following RAID types should you select?

Selecione uma das seguintes:

  • RAID 0

  • RAID 1

  • RAID 5

  • RAID 10

Explicação

Questão 15 de 56

1

Which of the following are input devices that you might use with video games?
(Select the three best answers.)

Selecione uma ou mais das seguintes:

  • Microphone

  • Webcam

  • Gamepad

  • Joystick

  • Digitizer

  • Camcorder

Explicação

Questão 16 de 56

1

Which of the following is the most common type of networking connector?

Selecione uma das seguintes:

  • RJ11

  • F-connector

  • BNC

  • RJ45

Explicação

Questão 17 de 56

1

Which protocol is relied upon most by Active Directory? (Select the best
answer.)

Selecione uma das seguintes:

  • SMB

  • HTTP

  • LDAP

  • WINS

Explicação

Questão 18 de 56

1

Which of the following printer technologies uses piezoelectric pressure pads to produce small bubbles that are moved to the paper?

Selecione uma das seguintes:

  • Laser

  • Inkjet

  • Thermal

  • Impact

Explicação

Questão 19 de 56

1

You are working on a laptop. Which of the following devices requires you to remove the CPU to replace it?

Selecione uma das seguintes:

  • Backlight

  • Keyboard backlight

  • Function key

  • System board

Explicação

Questão 20 de 56

1

Which of the following environmental impacts can cause the customer to lose data?

Selecione uma das seguintes:

  • Blackout

  • Air filters

  • Being on time

  • Backup battery

Explicação

Questão 21 de 56

1

Which of the following video ports can send purely digital signals?

Selecione uma das seguintes:

  • HDMI and DVI

  • VGA and DVI

  • VGA and HDMI

  • DVI and S-Video

Explicação

Questão 22 de 56

1

Which of the following types of cables uses a 9-pin connector?

Selecione uma das seguintes:

  • USB

  • Ethernet

  • Serial

  • RJ11

Explicação

Questão 23 de 56

1

You need to describe RAID to a nontechnical customer. Which of the following represents the best way to describe RAID?

Selecione uma das seguintes:

  • 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.

Explicação

Questão 24 de 56

1

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?

Selecione uma das seguintes:

  • Thin client

  • Thick client

  • HTPC

  • Gaming PC

Explicação

Questão 25 de 56

1

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?

Selecione uma das seguintes:

  • 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

Explicação

Questão 26 de 56

1

Which of the following lists the correct nonoverlapping channels in the 2.4 GHz wireless spectrum?

Selecione uma das seguintes:

  • 2, 4, 6, 8, 10

  • 1, 5, 10

  • 1, 6, 11

  • 3, 6, 10

Explicação

Questão 27 de 56

1

Which of the following is the module format used by a laptop’s DDR4 SODIMMs?

Selecione uma das seguintes:

  • 200-pin

  • 204-pin

  • 240-pin

  • 260-pin

Explicação

Questão 28 de 56

1

Which of the following is the correct pinout for T568B?

Selecione uma das seguintes:

  • 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

Explicação

Questão 29 de 56

1

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?

Selecione uma das seguintes:

  • Install a print server

  • Enable print sharing

  • Install a USB hub

  • Install shared PCL drivers

Explicação

Questão 30 de 56

1

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?

Selecione uma das seguintes:

  • Backlight failure

  • Bulb failure

  • Battery failure

  • The display driver is corrupted

Explicação

Questão 31 de 56

1

Which of the following has the shortest wireless range for printing?

Selecione uma das seguintes:

  • Bluetooth

  • Infrared

  • 802.11g

  • 802.11a

Explicação

Questão 32 de 56

1

Which of the following should be reset during normal printer maintenance?

Selecione uma das seguintes:

  • Page count

  • Job queue

  • Print job cache

  • Tray settings

Explicação

Questão 33 de 56

1

Which of the following is the best protocol to use when securely transferring large files?

Selecione uma das seguintes:

  • FTP

  • SSH

  • TELNET

  • SFTP

Explicação

Questão 34 de 56

1

A laptop’s battery fails to charge. Which of the following should be checked first?

Selecione uma das seguintes:

  • DC-in jack

  • AC-in jack

  • CMOS battery

  • AC circuit breaker

Explicação

Questão 35 de 56

1

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?

Selecione uma das seguintes:

  • 2

  • 3

  • 4

  • 5

Explicação

Questão 36 de 56

1

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?

Selecione uma das seguintes:

  • Crimper

  • Punchdown tool

  • Loopback plug

  • Cable tester

Explicação

Questão 37 de 56

1

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?

Selecione uma das seguintes:

  • Verify that the printer cables are connected

  • Perform printer head cleaning

  • Purchase a maintenance kit

  • Use different weighted paper

Explicação

Questão 38 de 56

1

Which of the following cable types might be used in POT connections?

Selecione uma das seguintes:

  • Cat 3

  • RG-6

  • RG-59

  • Multimode

Explicação

Questão 39 de 56

1

Which of the following should be placed on a DMZ?

Selecione uma das seguintes:

  • Smartphones

  • Wireless printers

  • Gaming servers

  • Backup servers

Explicação

Questão 40 de 56

1

You have been tasked with resolving a shadowy image that is being printed from a network printer. What should you do?

Selecione uma das seguintes:

  • Replace the drum

  • Replace the fuser

  • Run a calibration

  • Replace the network cable

Explicação

Questão 41 de 56

1

A fully functional touchscreen LCD monitor requires a DVI connection and a power connection. Which of the following is also required?

Selecione uma das seguintes:

  • SCSI connection

  • USB connection

  • Ethernet connection

  • Parallel connection

Explicação

Questão 42 de 56

1

Which of the following are common hardware requirements in a home server? (Select the two best answers.)

Selecione uma ou mais das seguintes:

  • RAID array

  • Virtualization support

  • Gigabit Ethernet

  • Touchscreen

  • Dual monitors

Explicação

Questão 43 de 56

1

Which of the following computer components are located on the northbridge? (Select the two best answers.)

Selecione uma ou mais das seguintes:

  • CPU

  • Hard drive

  • Audio

  • Fan

  • RAM

Explicação

Questão 44 de 56

1

When placing a mobile device into airplane mode, which of the following features are typically disabled? (Select the two best answers.)

Selecione uma ou mais das seguintes:

  • Wireless

  • Cellular data

  • Multitouch capability

  • Data encryption

Explicação

Questão 45 de 56

1

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?

Selecione uma das seguintes:

  • Administrative password

  • Windows password

  • Power-on password

  • Supervisory password

Explicação

Questão 46 de 56

1

Which of the following socket types is used by an AMD CPU?

Selecione uma das seguintes:

  • 775

  • FM1

  • 1155

  • 1366

Explicação

Questão 47 de 56

1

Which of the following should be used when building a high-end graphics workstation for CAD applications? (Select the two best answers.)

Selecione uma ou mais das seguintes:

  • 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

Explicação

Questão 48 de 56

1

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?

Selecione uma das seguintes:

  • Fuser

  • Pickup Assembly

  • Roller

  • Toner drum

Explicação

Questão 49 de 56

1

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?

Selecione uma das seguintes:

  • PC is off the network

  • Printer needs to be restarted

  • Printer is low on toner

  • Device drivers are corrupted

Explicação

Questão 50 de 56

1

You need to use the correct version of PING that will resolve an IP address to a hostname. Which switch should you use?

Selecione uma das seguintes:

  • -a

  • -f

  • -n

  • -t

Explicação

Questão 51 de 56

1

Which of the following resolution modes by design provides the best possible visual quality on an LCD monitor?

Selecione uma das seguintes:

  • Digital

  • Native

  • SVGA

  • XGA

Explicação

Questão 52 de 56

1

Which of the following is one of the main hardware differences between a tablet computer and a laptop computer?

Selecione uma das seguintes:

  • The laptop always has a multitouch touchscreen.

  • Tablets are typically not upgradeable.

  • Laptops are typically not upgradeable.

  • Laptops typically use ARM processors.

Explicação

Questão 53 de 56

1

Which of the following should be placed on a DMZ?

Selecione uma das seguintes:

  • Smartphones

  • Wireless printers

  • Gaming servers

  • Backup servers

Explicação

Questão 54 de 56

1

Which of the following cable types might be used in POTS connections?

Selecione uma das seguintes:

  • Cat 3

  • RG-6

  • RG-59

  • Multimode

Explicação

Questão 55 de 56

1

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?

Selecione uma das seguintes:

  • Verify that the printer cables are connected

  • Perform printer head cleaning

  • Purchase a maintenance kit

  • Use different weighted paper

Explicação

Questão 56 de 56

1

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?

Selecione uma das seguintes:

  • Crimper

  • Punchdown tool

  • Loopback plug

  • Cable tester

Explicação

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