思科认证考试

You need to configure port security on switch R1.  Which two statements are true about this  technology？ （）A、 Port security can be configured for ports supporting VoIP.B、 With port security configured， four MAC addresses are allowed by default.C、 The net

题目

You need to configure port security on switch R1.  Which two statements are true about this  technology？ （）

  • A、 Port security can be configured for ports supporting VoIP.
  • B、 With port security configured， four MAC addresses are allowed by default.
  • C、 The network administrator must manually enter the MAC address for each device in order for  the switch to allow connectivity.
  • D、  Withsecurity configured， only one MAC addresses is allowed by default.  
  • E、 Port security cannot be configured for ports supporting VoIP.
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相似问题和答案

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According to Carol Goman, why seven seconds are all you need to leave a lasting first impression?

A.That’s the time your nerves can get controlled.

B.That’s the time you need to introduce yourself.

C.That’s the time your traits can grab attention.

D.That’s the time you need to think about what you say.


参考答案：C

第2题：

If you need a computer, I’ll lend you ( ).

A、another

B、one

C、the one

D、some


参考答案：B

第3题：

你们需要安保专家对场馆做安全评估吗?

A.Do you need a security expert to value the potential danger of the region?

B.Do you need a security expert to calculate the potential adventure of the area?

C.Do you need a security expert to account the potential risks of the region?

D.Do you need a security expert to evaluate the potential risks of the place?


正确答案：D

第4题：

You have just issued the command user@router save current.conf.Assuming the default settings, where in the file system is current.conf saved?()

A. /var/tmp/

B. /var/config/saved/

C. /var/home/user/

D. /config/


参考答案：C

第5题：

“请问您还需要点什么 ”用英语最妥当的表述是( )。

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正确答案：D

第6题：

I want to go to the cinema, but you _____ with me.

A. need not to go

B. do not need go

C. need not go

D. need go not


参考答案： C

第7题：

you ________ a pass to enter that building.

A. need get

B. need getting

C. need got

D. need to get


参考答案：D

第8题：

—Need we fill in the application form? —()

A.Yes, you must.

B.Yes, you need.

C.Yes, you do.


参考答案：A

第9题：

I want to go to the dentist, but you ______ with me.

A、need not to go

B、do not need go

C、need not go

D、need go not


参考答案：C

第10题：

You need to back up the existing data on a computer before you install a new application. You also need to ensure that you are able to recover individual user files that are replaced or deleted during the installation.What should you do?（）

A.A

B.B

C.C

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参考答案：C

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