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Which of the following will occu

题目

Which of the following will occur if an operator types the command vi file.out?（）

  • A、If the file exists it will be opened for editing. If the file does not exist an error message will be displayed.
  • B、If the file exists it will be opened for editing. If the file does not exist a new file with the name file.out will be created and opened for editing.
  • C、If the file exists an error message will be displayed. If the file does not exist a new file with the name file.out will be created and opened for editing.
  • D、If the file exists the operator will be asked whether to open the file or overwrite the file. If the file does not exist a new file with the name file.out will be created and opened for editing.
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相似问题和答案

第1题：

Which of the following phonetic symbol is not right?


答案：D
解析：

第2题：

Which of the following is BEST for providing network security?（）

  • A、Firewall
  • B、DMZ
  • C、Switch
  • D、IDS

正确答案:A

第3题：

Which of the following is not an AVL tree?

A．

B．

C．

D．


正确答案：B

第4题：

单选题
Which of the following is not a wind（）.
A

Growler

B

Norther

C

Levanter

D

Mistral


正确答案： C
解析： 暂无解析

第5题：

Which of the following commands will be run at a command prompt to determine which WindowsOS is running on the computer?（）

  • A、VER
  • B、Device Manager
  • C、VERIFY
  • D、SET

正确答案:A

第6题：

Which of the following is a performance optimization technology?（）

  • A、QoS
  • B、Trunking
  • C、Spanning
  • D、VoIP

正确答案:A

第7题：

Which of the following utilities are used to choose which programs run at startup？ （）

  • A、SFC
  • B、SETDEBUG
  • C、MSCONFIG
  • D、REGEDIT

正确答案:C

第8题：

Which of the following sounds is a voiced bilabial stop?


答案：D
解析：
考查辅音的发音特征。[b]是带声的、双唇音和爆破音。

第9题：

单选题
Which of the following technologies can improve convergence time following a link failure in a serviceprovider network？（）
A

MPLS TE FR

B

MPLS VPN

C

BFD

D

RSVP

E

VPLS

F

SNMP


正确答案： B
解析： 暂无解析

第10题：

单选题
Which of the following is a hybrid network topology used for fault tolerance, in which all computersMUST connect to each other?（）
A

Star

B

Ring

C

Bus

D

Mesh


正确答案： D
解析： 暂无解析

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