题目内容（请给出正确答案）

[单选题]

A computer on your network is responding very slowly to network requests, and then it

A.What type of attack is causing the system to slow down？()

B.A spoofing attack

C.A root kit installed on the system

D.A denial-of-service attack

E.A man-in-the-middle attack

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更多“A computer on your network is …”相关的问题

第1题

If you're leaving your computer for a while you should shut it down immediately.（)

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第2题

Secondary memory holds all of the essential memory that tells your computer how to be a computer. （）

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第3题

A: Do you think I can use your computer for one day？ B: No you can't.（)

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第4题

I wonder if I could use your computer tonight － Sure,go ahead. I'm not using it right now （)

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第5题

－－I wonder if I could use your computer tonight.－－_________. I’m not using it right n

--I wonder if I could use your computer tonight.--_________. I’m not using it right now.

A、Sure, so ahead.

B、I don’t know.

C、It doesn’t matter.

D、Who cares？

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第6题

A.A

B.B

C.C

D.D

E.E

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第7题

Since RAM is only active when the computer is on, your computer uses disk to store informa

tion even when the computer is off. Which of the following is true？(74).

A．When your computer is on, only RAM is used to store information.

B．When your computer is on, only disk drives are used to store information.

C．When your computer is off, only RAM is used to store information.

D．When your computer is off, only disk drives are used to store information.

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第8题

● Since RAM is only active when the computer is on, your computer uses disto store informa

tion even when the computer is off. Which of the following itrue？（74）

（74）

A．When your computer is on, only RAM is used to store information

B．When your computer is on, only disk drives are used to storinformation.

C．When your computer is off, only RAM is used to store information

D．When your computer is off, only disk drives are used to storinformation.

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第9题

computer technology puts all the information ___your fingertips.A、onB、inC、atD、over

computer technology puts all the information ___your fingertips.

A、on

B、in

C、at

D、over

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第10题

This is very important. You_____remember to shut down your computer every evenlng。

This is very important. You_____remember to shut down your computer every

evenlng。

A. ought

B. need

C. must

D. can

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第11题

You have a computer that runs Windows Vista.You need to configure your computer so that yo

u can interact with your desktop when you are prompted for user account control permissions.What should you do？（）

You have a computer that runs Windows Vista.You ne

A.A

B.B

C.C

D.D

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