Ensurepass

 

QUESTION 551

Which of the following will provide the BEST protection against power failures and data loss?

 

A.

Auto-switching power supply

B.

Uninterruptible power supply

C.

Line conditioner

D.

Surge suppressor

 

Correct Answer: B

Explanation:

http://en.wikipedia.org/wiki/Uninterruptible_power_supply

 

 

QUESTION 552

Which of the following tools are commonly used to remove dust and debris from inside a computer? (Select TWO).

 

A.

Cotton and alcohol

B.

Vacuum

C.

Compressed air

D.

Anti-bacterial surface cleaner

E.

Feather duster

 

Correct Answer: BC

Explanation:

Use vacuum and compressed air to clean dust and debris that accumulates inside a computer. Vacuum will suck the debris and dust and the compressed air will blow out the fine particles of dust from nooks and corners inside a computer.

 

 

QUESTION 553

Which of the following represents a connector that supports the connection of external devices? (Select TWO).

 

A.

IEEE1394

B.

eSATA

C.

EIDE

D.

SATA

E.

IDE

 

Correct Answer: AB

Explanation:

Both Firewire (IEEE 1394) and eSATA connectors can be used to connect external devices.

 

QUESTION 554

Which of the following are the MOST important considerations when configuring a PC that will be used for a CAD / CAM workstation? (Select TWO).

 

A.

Gigabit NIC

B.

HDMI output

C.

Maximum RAM

D.

Powerful processor

E.

High end audio output

 

Correct Answer: CD

Explanation:

http://www.physicsforums.com/showthread.php?t=499107

 

 

QUESTION 555

A user has a new network printer they want setup in their home. The user wants all their PCs as well as any guests with laptops to be able to print to it. Which of the following connection methods would be the MOST effective for meeting these requirements? (Select TWO).

 

A.

802.11g

B.

USB

C.

Ethernet

D.

Bluetooth

E.

Serial

 

Correct Answer: AC

 

 

QUESTION 556

Which of the following allows for the FARTHEST transmission distance for data?

 

A.

Bluetooth

B.

Single-mode fibre

C.

RG-6 cable

D.

CAT6 cable

 

Correct Answer: B

Explanation:

http://www.ad-net.com.tw/index.php?id=46

 

 

QUESTION 557

The helpdesk technician has been tasked to reinstall the OS on a desktop and has already inserted the OS install disk in the CD-ROM. Which of the following would MOST likely need to be configured within the BIOS to continue reinstalling the OS?

 

A.

BIOS password

B.

Flash BIOS for firmware upgrade

C.

Boot sequence

D.

Clock speeds

 

Correct Answer: C

Explanation:

To boot the OS from the CD ROM, you need to change the boot sequence to boot from CD ROM first. Normally, the boot sequence is to boot from hard disk and if it is unable to find boot files there, it will look for it in a CD ROM. After that, it will look into other places like a floppy disk drive and PXE boot.

 

 

QUESTION 558

A user is requesting assistance in building a custom made PC for home theater use to connect to their existing large LCD screen. Which of the following components should MOST likely be recommended? (Select TWO).

 

A.

Large IDE hard drive

B.

HDMI output

C.

Dual monitors

D.

RAID array

E.

TV tuner

 

Correct Answer: BE

Explanation:

A Home theater PC is also a TV. So you need to have a TV tuner card that will show cable on the home theater PC. You would also need an HDMI output to connect the PC to a large LCD screen for optimal viewing.

 

 

QUESTION 559

Which of the following devices might need drivers installed so that it can be recognized by the operating system and function properly?

 

A.

Speakers

B.

Monitors

C.

Scanners

D.

Projectors

 

Correct Answer: C

Explanation:

Scanner is a peripheral device that needs drivers to function properly. A scanner will not be able to show the scanned page on the computer until it has the necessary files to transfer the data to a PC.

 

 

QUESTION 560

Which of the following properties of TCP/IP is used to differentiate the network and the host

portions of an IP address?

 

A.

DNS address

B.

Default gateway

C.

Subnet mask

D.

DHCP lease

 

Correct Answer: C

Explanation:

http://compnetworking.about.com/od/workingwithipaddresses/a/subnetmask.htm

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