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计算机考试 | CompTIA认证考试

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单选题 A user reports that while printing a large document,the local printer fails to print and the document cannot be deleted from the queue. What is the MOST likely cause of the problem?()

A

The printer cable is not bi-directional.

B

The user does not have full printer administration rights.

C

The computer cannot spool and send the print job fast enough.

D

The print job is too big for the amount of available memory.

单选题 Which cleaning product should be used for the inside of a computer?()

A

glass cleaner

B

a simple ammonia and water solution followed by an antistatic solution

C

a bleach solution followed by water

D

compressed air

单选题 A customer receives a CD-RW disk from a computer vendor. The customer tries to read the disk in a computer with a 4X CD-ROM drive and is unable to read any information. The customer tries the CD-RW disk on a 32X CD-ROM drive and it reads correctly. What is the cause of this problem?()

A

The 4X CD-ROM drive has dirty optics or laser and requires cleaning.

B

The 4X CD-ROM drive needs to be jumpered to support CD-RW disks.

C

The 4X CD-ROM drive does not support the multi-read specification.

D

The 4X CD-ROM is fine, but the CD-RW disk has a flaw in its format.

单选题 Which components are designed to be conveniently replaced by a service technician?()

A

SMDs(surface mounted devices)

B

FRUs(field replacement units)

C

FESs

D

BEMs

单选题 What is the FIRST and most important step in system troubleshooting?()

A

back up the system data

B

gather information about the problem

C

try rebooting the system to see if that fixes the problem

D

check the System Error Log or Event Log

单选题 Which IP block is designated for private network use?()

A

127.0.x.x

B

169.0.x.x

C

190.100.x.x

D

192.168.x.x

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