jackmartin1999
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Test sobre CompTIA A+, creado por jackmartin1999 el 13/01/2015.

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CompTIA A+

Pregunta 1 de 130

1

A first time PC owner drops off their brand new PC for service, reporting that it is slow and the memory should be 12GB according to the box but only reports 4GB. The RAM voltage was set improperly; one chip needed to be reseated and the BIOS had to be set to use the triple channel architecture. When picking up the PC the customer asks what was wrong. Which of the following would be the MOST appropriate response for this customer?

Selecciona una de las siguientes respuestas posibles:

  • “Your PC's memory was installed incorrectly. I removed it and put it back in. Additionally the XMP profile needed to be adjusted for TCA.”

  • “It was very complicated and technical in nature. If you do not mess with the settings, it should be fine from now on.”

  • “You had the DDR3-1600 set up wrong; you set it for 1.5v and single channel.”

  • “The PC's memory, or RAM, needed to have the correct settings applied to be utilized correctly. It should work fine now.”

Explicación

Pregunta 2 de 130

1

A technician would like to load an operating system CD on startup. Which of the following settings
would a technician change in the BIOS?

Selecciona una de las siguientes respuestas posibles:

  • Enable TPM

  • Enable BIOS password

  • Disable TPM

  • Boot sequence

Explicación

Pregunta 3 de 130

1

During which of the following phases of the imaging process is the latent image exposed to toner?

Selecciona una de las siguientes respuestas posibles:

  • Charging

  • Developing

  • Exposing

  • Transferring

Explicación

Pregunta 4 de 130

1

Which of the following is an APIPA address?

Selecciona una de las siguientes respuestas posibles:

  • 10.10.x.x

  • 169.254.x.x

  • 192.168.x.x

  • 255.x.x.x

Explicación

Pregunta 5 de 130

1

Which of the following expansion slots would support the HIGHEST transfer speeds for high-end
graphics cards? (Select TWO).

Selecciona una o más de las siguientes respuestas posibles:

  • PCIe

  • AGP 8x

  • PCI

  • ISA

  • AGP

Explicación

Pregunta 6 de 130

1

Which of the following configurations would be set after installing a new modem card?

Selecciona una de las siguientes respuestas posibles:

  • Proxy server settings

  • Workgroup name

  • COM port number

  • Expansion port

Explicación

Pregunta 7 de 130

1

Which of the following devices would need to be configured to block specific ports and protocols from entering the network?

Selecciona una de las siguientes respuestas posibles:

  • Bridge

  • Firewall

  • Port replicator

  • Gateway

Explicación

Pregunta 8 de 130

1

Which of the following is the appropriate interface to connect an optical mouse and keyboard to a computer?

Selecciona una de las siguientes respuestas posibles:

  • IEEE 1394

  • USB

  • Serial

  • eSATA

Explicación

Pregunta 9 de 130

1

Which of the following memory features allows for the protection against random inconsistencies in the transfer of the data?

Selecciona una de las siguientes respuestas posibles:

  • Low latency

  • Dual channel

  • ECC

  • Single channel

Explicación

Pregunta 10 de 130

1

Which of the following memory types is MOST commonly found in Pentium 4 class and newer desktop PCs?

Selecciona una de las siguientes respuestas posibles:

  • SIMM

  • RAMBUS

  • SODIMM

  • DIMM

Explicación

Pregunta 11 de 130

1

A workstation would MOST likely be connected to an office network using which of the following cable types?

Selecciona una de las siguientes respuestas posibles:

  • eSATA

  • Bluetooth

  • SCSI

  • Ethernet

Explicación

Pregunta 12 de 130

1

Which of the following parts of a laptop screen provides illumination for the LCD?

Selecciona una de las siguientes respuestas posibles:

  • Inverter

  • Backlight

  • Inverter connector cable

  • Bezel

Explicación

Pregunta 13 de 130

1

Which of the following safety devices would be employed to prevent static discharge between a computer and a technician?

Selecciona una de las siguientes respuestas posibles:

  • Non-Magnetic screwdriver

  • Voltmeter

  • Electrical tape

  • ESD mat

Explicación

Pregunta 14 de 130

1

To configure two drives for MAXIMUM performance, which of the following RAID type should be used?

Selecciona una de las siguientes respuestas posibles:

  • RAID 0

  • RAID 1

  • RAID 5

  • RAID 10

Explicación

Pregunta 15 de 130

1

A technician is tasked with selecting components to build a computer that will be used for computer aided drafting and computer aided modeling. Which of the following components are the BEST choices? (Select TWO).

Selecciona una o más de las siguientes respuestas posibles:

  • Triple channel memory

  • MIDI sound card

  • TV tuner

  • Onboard graphics

  • Socket 1366 CPU

Explicación

Pregunta 16 de 130

1

Which of the following wireless protocols is limited to operating in the 5 GHz range ONLY?

Selecciona una de las siguientes respuestas posibles:

  • 802.11a

  • 802.11b

  • 802.11g

  • 802.11n

Explicación

Pregunta 17 de 130

1

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

Selecciona una de las siguientes respuestas posibles:

  • Impact

  • Thermal

  • Laser

  • Inkjet

Explicación

Pregunta 18 de 130

1

When installing a printer in Windows, which of the following is the purpose of the Additional Drivers button on the Sharing tab in the printer’s properties?

Selecciona una de las siguientes respuestas posibles:

  • To add additional drivers to emulate a different printer

  • To add additional drivers for other printers on the computer

  • To add additional drivers for other operating systems

  • To add additional drivers for different printing modes

Explicación

Pregunta 19 de 130

1

Which of the following is MOST likely to have a physical switch on a laptop that allows it to be turned off without going into the BIOS?

Selecciona una de las siguientes respuestas posibles:

  • External display

  • Webcam

  • Overclocking

  • Wireless

Explicación

Pregunta 20 de 130

1

Which of the following will help protect against brown outs?

Selecciona una de las siguientes respuestas posibles:

  • Power supply

  • Anti-static strap

  • Surge suppressor

  • Battery backup

Explicación

Pregunta 21 de 130

1

ECC memory is primarily used in which of the following computers?

Selecciona una de las siguientes respuestas posibles:

  • Tablet

  • Desktop

  • Server

  • Laptop

Explicación

Pregunta 22 de 130

1

Which of the following protocols would an email client use?

Selecciona una de las siguientes respuestas posibles:

  • HTTP

  • SNMP

  • POP3

  • SFTP

Explicación

Pregunta 23 de 130

1

Which of the following standards would be used on a wireless router to support speeds up to 150 Mbps?

Selecciona una de las siguientes respuestas posibles:

  • 802.11a

  • 802.11b

  • 802.11g

  • 802.11n

Explicación

Pregunta 24 de 130

1

Which of the following should a technician check FIRST before upgrading the RAM in a laptop?

Selecciona una de las siguientes respuestas posibles:

  • The speed of the FSB

  • The motherboard specifications

  • The BIOS manufacturer

  • The operating system version

Explicación

Pregunta 25 de 130

1

A technician has replaced a bad internal WLAN card in a Windows 7 Professional laptop. The WLAN card is listed in Device Manager as enabled and working. Which of the following should be done NEXT to use the card?

Selecciona una de las siguientes respuestas posibles:

  • Change the security passphrase of the network.

  • Configure encryption on the router.

  • The SSID of the network must be added to the connection.

  • The firmware and drivers must be updated to the latest version.

Explicación

Pregunta 26 de 130

1

A technician is not able to boot to Windows OS. A “Non-bootable device found” message appears on the screen when the computer restarts. Which of the following is the MOST possible cause of the error message?

Selecciona una de las siguientes respuestas posibles:

  • MBR is corrupt on the HDD.

  • HDD is set to Cable Select.

  • The operating system is corrupt.

  • A bootable HDD is not recognized in the BIOS.

Explicación

Pregunta 27 de 130

1

A printer is not pulling paper out of the paper tray. Which of the following is the MOST possible cause of the problem?

Selecciona una de las siguientes respuestas posibles:

  • Pickup rollers

  • Print head

  • Drum

  • Fuser

Explicación

Pregunta 28 de 130

1

Which of the following connector types is found on coaxial cables?

Selecciona una de las siguientes respuestas posibles:

  • F

  • ST

  • RJ-11

  • RJ-45

Explicación

Pregunta 29 de 130

1

Which of the following is the correct pin out for T568B?

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 30 de 130

1

Which of the following lists the correct non-overlapping channels in 2.4 GHz?

Selecciona una de las siguientes respuestas posibles:

  • 1, 6, 11

  • 2, 4, 6, 8, 10

  • 3, 6, 9

  • 5, 11

Explicación

Pregunta 31 de 130

1

A home user working outside an office reports that their laptop is no longer connecting to the Internet. Which of the following would a technician recommend to check FIRST?

Selecciona una de las siguientes respuestas posibles:

  • Windows Firewall settings

  • DHCP settings

  • Disable HomeGroup

  • Wireless on/off switch

Explicación

Pregunta 32 de 130

1

A technician installed a new docking station for a user and they have lost the ability to connect to the network. Which of the following is the MOST likely reason?

Selecciona una de las siguientes respuestas posibles:

  • DHCP is disabled

  • The network is down

  • Device drivers are not loaded

  • The product is not compatible

Explicación

Pregunta 33 de 130

1

Which of the following expansion slots uses a serial connection?

Selecciona una de las siguientes respuestas posibles:

  • PCI

  • PCI-X

  • PCIe

  • AGP

Explicación

Pregunta 34 de 130

1

Which of the following provides the MOST storage capacity?

Selecciona una de las siguientes respuestas posibles:

  • Floppy diskette

  • Blu-ray

  • DVD

  • CD-ROM

Explicación

Pregunta 35 de 130

1

Which of the following provides the BEST protection from brown outs?

Selecciona una de las siguientes respuestas posibles:

  • Surge suppressor

  • Computer power supply with built in surge protections

  • Motherboard with built-in surge protection

  • Uninterruptible power supply

Explicación

Pregunta 36 de 130

1

Proper lifting technique for heavy items is:

Selecciona una de las siguientes respuestas posibles:

  • To use gloves to pick up the item.

  • To squat and lift from the legs.

  • To have two people bend down and pick the item up.

  • To bend down and lift the item up.

Explicación

Pregunta 37 de 130

1

When a grounding strap is not available, a technician can ground by touching the computer’s:

Selecciona una de las siguientes respuestas posibles:

  • Power supply.

  • CPU fan.

  • Memory chips.

  • Motherboard.

Explicación

Pregunta 38 de 130

1

A technician needs to configure a computer with an external storage drive. Which of the following interfaces would provide the FASTEST throughput?

Selecciona una de las siguientes respuestas posibles:

  • USB 2.0

  • eSATA

  • CAT5

  • FireWire

Explicación

Pregunta 39 de 130

1

Which of the following connector types uses a single RCA style connector?

Selecciona una de las siguientes respuestas posibles:

  • DVI

  • VGA

  • RGB

  • Composite video

Explicación

Pregunta 40 de 130

1

A technician replaces a computer’s NIC with a wireless card. The user wants to save the NIC. Which of the following should the technician use to preserve the NIC?

Selecciona una de las siguientes respuestas posibles:

  • ESD mat

  • ESD wrist strap

  • Sealable plastic bag

  • Anti-static bag

Explicación

Pregunta 41 de 130

1

A technician needs to replace a computer’s hard drive. Which of the following should the technician do FIRST?

Selecciona una de las siguientes respuestas posibles:

  • Remove network connections

  • Remove the RAM

  • Self ground on the computer case

  • Disconnect power to PC

Explicación

Pregunta 42 de 130

1

When a user’s computer boots, a message shows that reads: “Alert! Cover previously removed.” Which of the following was configured in the BIOS to cause this alert?

Selecciona una de las siguientes respuestas posibles:

  • Boot sequence

  • Date/time clock settings

  • Intrusion detection

  • Virtualization support

Explicación

Pregunta 43 de 130

1

When servicing a laptop, which of the following components usually requires the keyboard to be removed before the component can be replaced?

Selecciona una de las siguientes respuestas posibles:

  • Processor

  • Hard drive

  • Battery

  • Optical drive

Explicación

Pregunta 44 de 130

1

Which of the following laptop displays would provide the BEST viewing angle?

Selecciona una de las siguientes respuestas posibles:

  • Passive matrix

  • TFT LCD

  • DLP

  • Plasma

Explicación

Pregunta 45 de 130

1

When setting up for a projector presentation, which of the following laptop function keys usually needs to be toggled?

Selecciona una de las siguientes respuestas posibles:

  • Contrast

  • Brightness

  • Display

  • Bluetooth

Explicación

Pregunta 46 de 130

1

A user, Ann, states that her laser printer has a smudge that repeats itself every couple inches down the center of each page. Which of the following components MOST likely needs replacing?

Selecciona una de las siguientes respuestas posibles:

  • Rollers

  • Fuser

  • Toner drum

  • Pickup assembly

Explicación

Pregunta 47 de 130

1

A laptop’s wireless card shows up in the Device Manager, but the signal strength is always one bar. This is caused by which of the following?

Selecciona una de las siguientes respuestas posibles:

  • The signal is disabled in the wireless utility

  • Disconnected or broken antenna

  • Disconnected or broken inverter

  • The wireless switch is turned off

Explicación

Pregunta 48 de 130

1

Which of the following cables is prone to electromagnetic interference?

Selecciona una de las siguientes respuestas posibles:

  • STP

  • PVC

  • Plenum

  • UTP

Explicación

Pregunta 49 de 130

1

Which of the following cable types has a MAXIMUM transfer speed greater than 1 Gbps?

Selecciona una de las siguientes respuestas posibles:

  • CAT6

  • CAT5

  • CAT5e

  • STP

Explicación

Pregunta 50 de 130

1

RG-59 is a designation for which of the following cable types?

Selecciona una de las siguientes respuestas posibles:

  • Plenum

  • Fiber optic

  • Twisted pair

  • Coaxial

Explicación

Pregunta 51 de 130

1

Which of the following wireless standards provides the STRONGEST encryption?

Selecciona una de las siguientes respuestas posibles:

  • WPA2

  • WPA

  • WEP64

  • WEP128

Explicación

Pregunta 52 de 130

1

Which of the following memory types would MOST likely be installed in a laptop in the form of DDR3?

Selecciona una de las siguientes respuestas posibles:

  • SODIMM

  • DIMM

  • CRIMM

  • RIMM

Explicación

Pregunta 53 de 130

1

Which of the following ports is used by default for DNS traffic?

Selecciona una de las siguientes respuestas posibles:

  • 25

  • 53

  • 143

  • 3389

Explicación

Pregunta 54 de 130

1

Which of the following ports is used by default for IMAP traffic?

Selecciona una de las siguientes respuestas posibles:

  • 53

  • 110

  • 143

  • 443

Explicación

Pregunta 55 de 130

1

Which of the following ports is used for POP3 traffic by default?

Selecciona una de las siguientes respuestas posibles:

  • 25

  • 110

  • 143

  • 443

Explicación

Pregunta 56 de 130

1

A technician is asked to verify that a CAT5 patch cord, created by another technician, is in working order. Which of the following tools should the technician use to verify the patch cord?

Selecciona una de las siguientes respuestas posibles:

  • Multimeter

  • Toner probe

  • Loopback plug

  • Cable tester

Explicación

Pregunta 57 de 130

1

Which of the following is the FIRST thing a technician should do before putting their hand inside a computer case?

Selecciona una de las siguientes respuestas posibles:

  • Acquire the appropriate tools that are going to be used.

  • Touch the case to discharge static.

  • Remove loose jewelry.

  • Refer to manufacturer documentation.

Explicación

Pregunta 58 de 130

1

Which of the following socket types is for an Intel CPU?

Selecciona una de las siguientes respuestas posibles:

  • F

  • 940

  • AM3

  • 1156

Explicación

Pregunta 59 de 130

1

Which of the following cable types is MOST often found in Plain Old Telephone Service (POTS)?

Selecciona una de las siguientes respuestas posibles:

  • RG-6

  • CAT3

  • RG-59

  • Multi-mode

Explicación

Pregunta 60 de 130

1

Which of the following memory types has 184 pins?

Selecciona una de las siguientes respuestas posibles:

  • DDR3

  • DDR

  • SDRAM

  • DDR2

Explicación

Pregunta 61 de 130

1

The term SFF refers to which of the following?

Selecciona una de las siguientes respuestas posibles:

  • CPU speed

  • Memory size

  • Motherboard size

  • HDD size

Explicación

Pregunta 62 de 130

1

A threaded coaxial connector used to connect to a TV tuner is MOST often referred to as which of the following?

Selecciona una de las siguientes respuestas posibles:

  • F-connector

  • RJ-11 connector

  • IEEE 1394 connector

  • RJ-45 connector

Explicación

Pregunta 63 de 130

1

A dial-up modem uses which of the following types of connectors?

Selecciona una de las siguientes respuestas posibles:

  • RJ-11

  • RG-59

  • RJ-45

  • RG-6

Explicación

Pregunta 64 de 130

1

The MAXIMUM transfer rate of eSATA is:

Selecciona una de las siguientes respuestas posibles:

  • 1.54 Mbps.

  • 2.0 Gbps.

  • 3.0 Gbps.

  • 480 Mbps.

Explicación

Pregunta 65 de 130

1

A technician installs a new high-end gaming card into a computer but is not seeing any video. Which of the following power connectors did the technician MOST likely forget to install?

Selecciona una de las siguientes respuestas posibles:

  • 4/8-pin 12v

  • 6/8-pin Molex

  • 20-pin main

  • 24-pin main

Explicación

Pregunta 66 de 130

1

Which of the following should a technician do FIRST after receiving a call from a customer asking for assistance?

Selecciona una de las siguientes respuestas posibles:

  • Confirm the user and the associated issue.

  • Confirm the hardware make, model, and serial number.

  • Escalate the call to a supervisor.

  • Assign the appropriate status for the problem.

Explicación

Pregunta 67 de 130

1

Which of the following would be the BEST response a technician should give a customer who inquires about how long it will take to repair their PC?

Selecciona una de las siguientes respuestas posibles:

  • The technician should ask the customer when they would like the computer to be completed.

  • Inform the customer that others will be helped first, but they will complete the repair as soon as possible.

  • Based on the technician’s assessment, give the customer an estimated time of completion.

  • Ask the customer to check in with the technician daily, until all work is completed.

Explicación

Pregunta 68 de 130

1

After having difficulty printing, a user, Joe, informs a technician that the print server needs to be reset because there are a number of documents pending in the printer on the control panel. The technician understands that the real solution is to clear a paper jam. Which of the following is the MOST appropriate response the technician should give Joe?

Selecciona una de las siguientes respuestas posibles:

  • Inform Joe that there are print jobs piling up, but the cause is a paper jam, and a technician is fixing the issue now.

  • Tell Joe that he was incorrect about the print server, and ask him open-ended questions to see if he has further suggestions.

  • Thank Joe for his help with solving the issue, and let him know that a technician is in the process of resetting the print server.

  • Remove the paper jam from the printer and offer Joe some reference materials so he can be more helpful in the future.

Explicación

Pregunta 69 de 130

1

A technician realizes the problem Ann, a customer, is having before she is done explaining all the symptoms. Which of the following is the BEST action for the technician to take?

Selecciona una de las siguientes respuestas posibles:

  • Continue listening to Ann’s explanation until she is finished then refer her to a website so she can find the proper resolution.

  • Ask Ann to repeat the problem and all the symptoms several times in order for the technician to verify all the facts.

  • Finish listening to Ann’s explanation without interrupting if it will not take an excessive amount of time.

  • Politely tell Ann that the technician knows the proper solution and that no further explanation is necessary.

Explicación

Pregunta 70 de 130

1

Which of the following display types uses a charged gas method of illumination?

Selecciona una de las siguientes respuestas posibles:

  • OLED

  • CRT

  • LED LCD

  • Plasma

Explicación

Pregunta 71 de 130

1

Which of the following laptop hardware components requires a re-soldering process in order to replace properly?

Selecciona una de las siguientes respuestas posibles:

  • Mini PCIe wireless card

  • Heat sink

  • DC jack

  • Li-Ion battery

Explicación

Pregunta 72 de 130

1

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

Selecciona una o más de las siguientes respuestas posibles:

  • Main memory of 8 GB or more

  • PCI-e video card with large amount of memory

  • More than 4 accessible USB 2.0 ports

  • A 32-bit OS to handle the large amount of expected disk I/O

  • An eSATA external drive

Explicación

Pregunta 73 de 130

1

A user, Ann, is experiencing headaches and motion sickness symptoms when using her new computer monitor. Which of the following can a technician adjust to help Ann?

Selecciona una de las siguientes respuestas posibles:

  • Privacy filter

  • Refresh rate

  • Use a digital signal

  • Brightness

Explicación

Pregunta 74 de 130

1

Which of the following protocols is used by a server to assign IP addresses?

Selecciona una de las siguientes respuestas posibles:

  • DNS

  • SMTP

  • LDAP

  • DHCP

Explicación

Pregunta 75 de 130

1

Which of the following protocols is used to translate fully qualified domain names into IP addresses?

Selecciona una de las siguientes respuestas posibles:

  • LDAP

  • DNS

  • DHCP

  • SMTP

Explicación

Pregunta 76 de 130

1

Which of the following is enabled in the BIOS that will prompt a user, Joe, to enter his password every time the laptop performs a POST?

Selecciona una de las siguientes respuestas posibles:

  • Power User access

  • Power on password

  • Administrative password

  • User profile access

Explicación

Pregunta 77 de 130

1

Which of the following is a private class B IP address?

Selecciona una de las siguientes respuestas posibles:

  • 10.0.15.1

  • 172.16.0.1

  • 172.33.1.1

  • 192.168.1.1

Explicación

Pregunta 78 de 130

1

Which of the following is the MOST important aspect of the chain of custody?

Selecciona una de las siguientes respuestas posibles:

  • Reporting

  • Preservation

  • Observation

  • Documentation

Explicación

Pregunta 79 de 130

1

A PC cannot connect to the network. A network card was purchased without documentation or driver discs. Which of the following is the BEST way to install it into this machine?

Selecciona una de las siguientes respuestas posibles:

  • From the PC, download and install the drivers

  • Run Windows update to install drivers

  • Copy drivers to flash drive and install

  • Purchase the disc online and install

Explicación

Pregunta 80 de 130

1

Which of the following requires a MINIMUM of four hard drives?

Selecciona una de las siguientes respuestas posibles:

  • RAID 0

  • RAID 1

  • RAID 5

  • RAID 10

Explicación

Pregunta 81 de 130

1

A coworker has reported that someone has engaged in prohibited activity. The supervisor has asked the technician to quarantine the PC until police arrive. Which of the following should the
technician do? (Select TWO).

Selecciona una o más de las siguientes respuestas posibles:

  • Allow the user to continue working

  • Check for viruses

  • Re-image the hard drive

  • Document time/date for later reference

  • Prevent users from accessing the PC

  • Turn off PC

Explicación

Pregunta 82 de 130

1

A customer has asked for the ability to operate dual digital monitors. Which of the following is the BEST solution for accomplishing this?

Selecciona una de las siguientes respuestas posibles:

  • Split the onboard video port.

  • Update the video drivers to allow for multiple monitors.

  • Add an adaptor to the onboard VGA port.

  • Install a video card with multiple DVI ports.

Explicación

Pregunta 83 de 130

1

A customer has purchased a 1TB internal hard drive. The customer would like to have it installed as a data drive in their existing system. The technician discovers there is no spare power supply connector for the new hard drive. Which of the following would enable the technician to EASILY accomplish the task? (Select TWO).

Selecciona una o más de las siguientes respuestas posibles:

  • Replace the existing hard drive.

  • Replace the power supply.

  • Remove the floppy disk.

  • Remove the CD-ROM.

  • Split an existing power connection.

Explicación

Pregunta 84 de 130

1

Which of the following pin pairs remain with the same wire color for either T568A or T568B?

Selecciona una de las siguientes respuestas posibles:

  • Pair 1 & 8

  • Pair 2 & 7

  • Pair 3 & 6

  • Pair 4 & 5

Explicación

Pregunta 85 de 130

1

Which of the following would be included when documenting the MOST recent policy on corporate behavior?

Selecciona una de las siguientes respuestas posibles:

  • Page numbers

  • Author of the document

  • A complete table of contents

  • Last revision dates and version numbers

Explicación

Pregunta 86 de 130

1

Which of the following represents a wiring standard for connectors of twisted pair cables?

Selecciona una de las siguientes respuestas posibles:

  • Fiber

  • T568A

  • IEEE1394

  • CAT5

Explicación

Pregunta 87 de 130

1

Which of the following connectors would be found on a coaxial cable? (Select TWO).

Selecciona una o más de las siguientes respuestas posibles:

  • BNC

  • LC

  • IDE

  • F

  • ST

Explicación

Pregunta 88 de 130

1

Which of the following BIOS features should be enabled to increase security of the physical computer?

Selecciona una o más de las siguientes respuestas posibles:

  • Chassis Intrusion Detection

  • Advanced Configuration and Power Interface

  • Antivirus Software

  • Temperature Monitoring

Explicación

Pregunta 89 de 130

1

Which of the following amounts of memory BEST represents the upper limit of RAM when using a
32-bit architecture?

Selecciona una o más de las siguientes respuestas posibles:

  • 2 GB

  • 4 GB

  • 6 GB

  • 16 GB

Explicación

Pregunta 90 de 130

1

Which of the following would be an example of prohibited content?

Selecciona una de las siguientes respuestas posibles:

  • Third party proxy sites

  • Malicious cookie

  • Detected virus

  • Unwanted pop-up

Explicación

Pregunta 91 de 130

1

Which of the following is NOT a best practice when prohibited activity is suspected?

Selecciona una de las siguientes respuestas posibles:

  • Back up the hard drive

  • Turn off the computer

  • Document the incident

  • Identify the content

Explicación

Pregunta 92 de 130

1

When installing multiple SCSI drives in a system, which of the following is correct?

Selecciona una de las siguientes respuestas posibles:

  • All drives must have the same SCSI ID.

  • Drives will be automatically assigned an ID by the controller.

  • Drives in the same RAID array must have the same SCSI ID.

  • Each drive must have a different SCSI ID.

Explicación

Pregunta 93 de 130

1

A user, Joe, notices his laptop performance decreases while playing multimedia files. Which of the following would MOST likely increase performance?

Selecciona una de las siguientes respuestas posibles:

  • Install a high-end graphics card with onboard memory.

  • Replace the sound card with a higher quality product.

  • Upgrade the CPU.

  • Increase SODIMM memory.

Explicación

Pregunta 94 de 130

1

Which of the following would be the MOST important factor to consider when building a virtualization workstation?

Selecciona una de las siguientes respuestas posibles:

  • High-end graphics card with onboard memory

  • A compact form factor

  • Dual monitor support

  • Maximum RAM and CPU cores

Explicación

Pregunta 95 de 130

1

A technician completing a server room build out encounters a bundle of un-terminated network cables that are not labeled. Which of the following tools would be the BEST to determine which devices the cables are run to?

Selecciona una de las siguientes respuestas posibles:

  • Toner probe

  • Multimeter

  • Cable tester

  • Loopback plug

Explicación

Pregunta 96 de 130

1

After making a long CAT5 cable, the technician fears that the cable may have been damaged during the pull, but does not have a cable tester. Which of the following would be the BEST
alternative tool to determine whether there are any breaks or shorts in the cable?

Selecciona una de las siguientes respuestas posibles:

  • Multimeter

  • Voltmeter

  • Loopback plug

  • Punchdown tool

Explicación

Pregunta 97 de 130

1

Which of the following are standard AMD processor socket types? (Select TWO).

Selecciona una o más de las siguientes respuestas posibles:

  • 1366

  • 1155

  • 940

  • LGA

  • F

Explicación

Pregunta 98 de 130

1

Which of the following is the form factor of a standard VGA connector?

Selecciona una de las siguientes respuestas posibles:

  • DB-15

  • DB-9

  • DIN-6

  • DB-25

Explicación

Pregunta 99 de 130

1

A technician is going to install a gigabit Ethernet adapter into a laptop for a customer. Which of the following technologies is MOST likely being used in this installation?

Selecciona una de las siguientes respuestas posibles:

  • Express card 54

  • USB 2.0

  • PCIe

  • Port replicator

Explicación

Pregunta 100 de 130

1

A technician is installing a liquid cooling system for a high-end gaming PC. Which of the following liquids is MOST likely used for cooling?

Selecciona una de las siguientes respuestas posibles:

  • Iodine

  • Mercury

  • Thermal paste

  • Oil

Explicación

Pregunta 101 de 130

1

Which of the following ISP types requires an RJ-11 connection to the PC?

Selecciona una de las siguientes respuestas posibles:

  • Cellular

  • Cable

  • Dial-up

  • WiMAX

Explicación

Pregunta 102 de 130

1

In order to use an Intel Core 2 Duo processor, which of the following sockets MUST be on the motherboard?

Selecciona una de las siguientes respuestas posibles:

  • LGA 755

  • LGA 1155

  • LGA 1156

  • LGA 1366

Explicación

Pregunta 103 de 130

1

A user is trying to print pictures from their camera to a PAN printer. When the user tries to print, the camera states there is no printer paired with the camera. Which of the following is the MOST likely cause?

Selecciona una de las siguientes respuestas posibles:

  • The camera’s Bluetooth option is not set for discoverable.

  • Ink needs to be replaced in the printer.

  • Bluetooth is turned off on the printer.

  • The camera does not have the printer drivers installed.

Explicación

Pregunta 104 de 130

1

A technician is helping set up a new networking closet and notices that the humidity level is low in the room. Which of the following should be installed FIRST before rack mounting equipment?

Selecciona una de las siguientes respuestas posibles:

  • A dehumidifier

  • A fire suppression system

  • ESD strap

  • Grounding bars

Explicación

Pregunta 105 de 130

1

Which of the following terms is MOST likely associated with a modem connection?

Selecciona una de las siguientes respuestas posibles:

  • RJ-11

  • 802.11g

  • RJ-45

  • IEEE 1394

Explicación

Pregunta 106 de 130

1

Which of the following display types is likely to draw the LEAST amount of power?

Selecciona una de las siguientes respuestas posibles:

  • LCD

  • LED

  • CRT

  • Plasma

Explicación

Pregunta 107 de 130

1

Which of the following display types is MOST likely to have problems with light and glare?

Selecciona una de las siguientes respuestas posibles:

  • Plasma

  • LED

  • OLED

  • LCD

Explicación

Pregunta 108 de 130

1

In reference to express card types (e.g. Express Card 34 and Express Card 54), which of the following BEST describes what the numbers indicate?

Selecciona una de las siguientes respuestas posibles:

  • Size of the memory allocation

  • Size of the expansion slot

  • The IEEE specification that it originated from

  • Number of available communication channels

Explicación

Pregunta 109 de 130

1

Which of the following speeds BEST represents the speed of the memory when installing DDR2 at 800 MHz and DDR2 at 600 MHz?

Selecciona una de las siguientes respuestas posibles:

  • 600 MHz

  • 700 MHz

  • 800 MHz

  • 1400 MHz

Explicación

Pregunta 110 de 130

1

Which of the following BEST describes the purpose of a TV tuner card?

Selecciona una de las siguientes respuestas posibles:

  • Decrease the interference associated with the incoming signal

  • Increase the reception of nearby televisions

  • Convert the user’s Internet service into a television signal

  • Decode NTSC or PAL signals for the PC

Explicación

Pregunta 111 de 130

1

A user reports that some of the colors are bright in some areas and dull in others when printing toa laser printer. Which of the following should the technician do NEXT to resolve the issue?

Selecciona una de las siguientes respuestas posibles:

  • Replace the pickup rollers

  • Print the cleaning page

  • Print a test page

  • Replace the fuser

Explicación

Pregunta 112 de 130

1

A user from the payroll department is printing out paychecks and notices that words are not completely being printed out. The user does state that all of the print on the checks is still dark and legible. Which of the following should the technician perform to resolve this issue with the impact printer?

Selecciona una de las siguientes respuestas posibles:

  • Reinstall the print drivers

  • Clean the printer head

  • Replace the printer ribbon

  • Replace the printer cable

Explicación

Pregunta 113 de 130

1

A user reports that when printing to an impact printer that the carbon copies are legible but the top copy is blank. Which of the following is the MOST likely cause?

Selecciona una de las siguientes respuestas posibles:

  • Replace the printer data cable

  • Reinstall the print drivers

  • Replace the printer head

  • Replace the ribbon

Explicación

Pregunta 114 de 130

1

Which of the following is correct about differences in CAT5 and CAT6 connectors?

Selecciona una de las siguientes respuestas posibles:

  • CAT5 connectors have locking tabs

  • CAT5 and CAT6 use the same connectors

  • CAT6 supports three different wiring standards

  • CAT6 connectors are longer for better contact

Explicación

Pregunta 115 de 130

1

On an ATX motherboard, the 4-pin auxiliary power connector provides which of the following?

Selecciona una de las siguientes respuestas posibles:

  • Additional power to onboard devices

  • Additional power to PCIx peripheral cards

  • Additional power to the South Bridge

  • Additional power to the CPU voltage regulator

Explicación

Pregunta 116 de 130

1

Which of the following is often required to complete configuration of a barcode scanner?

Selecciona una de las siguientes respuestas posibles:

  • The scanner must be set to reject scanning any codes shorter than three digits.

  • The system must be rebooted and update drivers installed.

  • The scanner utilities must be run to adjust the light intensity of the laser.

  • The scanner must be programmed by scanning in select codes.

Explicación

Pregunta 117 de 130

1

When replacing the CPU in a laptop, which of the following locations should have thermal grease applied?

Selecciona una de las siguientes respuestas posibles:

  • Connection points on the system board

  • Bottom of the CPU

  • Top of the CPU

  • Axis of the cooling fan

Explicación

Pregunta 118 de 130

1

Which of the following is the MAIN difference between an LCD display and an LED display?

Selecciona una de las siguientes respuestas posibles:

  • The ability to use external displays

  • The source of the backlighting

  • The viewable size of the display

  • The size of the pixel display

Explicación

Pregunta 119 de 130

1

Which of the following printer processes would be LEAST suitable for creating archival documents?

Selecciona una de las siguientes respuestas posibles:

  • Thermal

  • Inkjet

  • Laser

  • Impact

Explicación

Pregunta 120 de 130

1

When printing forms that need to be copied using carbon paper, which of the following technologies is BEST suited?

Selecciona una de las siguientes respuestas posibles:

  • Laser

  • Thermal

  • Inkjet

  • Impact

Explicación

Pregunta 121 de 130

1

Which of the following would a technician need to setup a cable modem at a customer’s home?
(Select TWO).

Selecciona una o más de las siguientes respuestas posibles:

  • Coaxial

  • CAT5e

  • PVC

  • Plenum

  • Fiber

Explicación

Pregunta 122 de 130

1

Which of the following characteristics of wireless networks is TRUE?

Selecciona una de las siguientes respuestas posibles:

  • 802.11g operates at 5.0Ghz.

  • 802.11n has a greater reach.

  • 802.11a operates at 2.4Ghz.

  • 802.11b is the fastest.

Explicación

Pregunta 123 de 130

1

A technician installs a new inkjet printer at a workstation. The new drivers are installed from a CD and a test page runs successfully. When a document containing tables and graphics is printed, it comes out with partial graphics and misaligned tables. Which of the following should the technician do NEXT?

Selecciona una de las siguientes respuestas posibles:

  • Install and test the closest match to that printer model from Windows.

  • Visit the vendor’s website and download the most recent driver for that printer.

  • Research the issue on the Internet and try to find a solution.

  • Reinstall the printer driver from the CD that came with the printer.

Explicación

Pregunta 124 de 130

1

A technician has just installed a network card on a Windows 7 computer. Which of the following should the technician do NEXT?

Selecciona una de las siguientes respuestas posibles:

  • Install the manufacturer’s drivers

  • Run Windows Updates

  • Reboot the machine

  • Flash the BIOS

Explicación

Pregunta 125 de 130

1

A user recently installed a joystick that is used to play video games on their computer. The user notices that the joystick is slowly drifting. Which of the following should the user do?

Selecciona una de las siguientes respuestas posibles:

  • Replace the device

  • Reboot the computer

  • Reinstall the drivers

  • Recalibrate the device

Explicación

Pregunta 126 de 130

1

Which of the following IP addresses can be pinged from the Internet?

Selecciona una de las siguientes respuestas posibles:

  • 10.0.0.1

  • 68.14.24.3

  • 172.16.2.1

  • 192.168.1.1

Explicación

Pregunta 127 de 130

1

A technician is tasked with purchasing a wireless router that is backwards compatible with any other wireless device. Which of the following standards should the technician choose?

Selecciona una de las siguientes respuestas posibles:

  • 802.11a

  • 802.11b

  • 802.11g

  • 802.11n

Explicación

Pregunta 128 de 130

1

A new server has recently been purchased and needs to have the RAID configured for its four drives. Which of the following RAID levels would be set up to provide the BEST performance and data protection?

Selecciona una de las siguientes respuestas posibles:

  • 0

  • 1

  • 4

  • 5

Explicación

Pregunta 129 de 130

1

Which of the following types of connectors would be found to connect printers and scanners to a device that did not have any network connections?

Selecciona una de las siguientes respuestas posibles:

  • RJ-45

  • Parallel

  • RJ-11

  • BNC

Explicación

Pregunta 130 de 130

1

A technician wants to install a secondary IDE drive which will be configured for additional user storage on the same IDE channel of the drive with the operating system. Which of the following jumper configurations should the technician use for the additional drive, if the drive with the operating system is set to MA?

Selecciona una de las siguientes respuestas posibles:

  • Place a jumper on both the MA and CS jumper block of the secondary drive.

  • Place a jumper on the MA jumper block of the secondary drive.

  • Place a jumper on both the SL and CS jumper block of the secondary drive.

  • Place a jumper on the SL jumper block of the secondary drive.

Explicación

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