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单选题How do you ping from configuration mode?（）A [edit interfaces] user@router# run ping 1.1.1.1B [edit interfaces] user@router# ping 1.1.1.1C [edit interfaces] user@router# up ping 1.1.1.1D [edit interfaces] user@router# exit ping 1.1.1.1

题目
单选题
How do you ping from configuration mode?（）
A

[edit interfaces]   user@router# run ping 1.1.1.1

B

[edit interfaces]   user@router# ping 1.1.1.1

C

[edit interfaces]   user@router# up ping 1.1.1.1

D

[edit interfaces]   user@router# exit ping 1.1.1.1

参考答案和解析
正确答案： B
解析： 暂无解析
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相似问题和答案

第1题：

Assuming default setting,how can you erase the VTP database of VLANs on a CISCO IOS switch running in VTP server mode?()

A.Enable VTP pruning

B.From privileged mode，erase the startup configuration file，then reload.

C.From privileged mode，erase the vlan date file，then reload.

D.Cycle the switch power.


参考答案：C

第2题：

How do you do? Glad to meet you.（）

  • A、Fine. How are you?
  • B、How do you do? Glad to meet you, too.
  • C、How are you? Thank you! 
  • D、Nice. How are you?

正确答案:B

第3题：

Regarding the extended ping command; which of the statements below are true?

(Select all valid answer choices)

A．The extended ping command is supported from user EXEC mode.

B．The extended ping command is available from privileged EXEC mode.

C．With the extended ping command you can specify the TCP and UDP port to be pinged.

D．With the extended ping command you can specify the timeout value.

E．With the extended ping command you can specify the datagram size.


正确答案：BDE
解析：Explanation:
The extended ping command works only at the privileged EXEC command line.
Some of the extended ping command values include the datagram size and timeout value as shown:

Datagram size [100]: Size of the ping packet (in bytes). Default: 100 bytes.

Timeout in seconds [2]: Timeout interval. Default: 2 (seconds). The ping is declared successful only if the ECHO REPLY packet is received before this time interval.

Incorrect Answers:
A. Regular pings are available in both user and privileged mode, but not extended pings.
C. Ports can not be specified.

第4题：

You are working on the PROD database， which is in NOARCHIVELOG mode. You lost the active online redo log group due to a media failure. How should you recover your database？（）

  • A、 Restore the database from a whole consistent backup and start the database in MOUNT mode. Then， open the database with the RESETLOGS option after performing a cancel-based recovery.
  • B、 Restore the database from a whole consistent backup and start the database in MOUNT mode. Then， drop the lost redo log group and open the database with the RESETLOGS option after performing a cancel-based recovery.
  • C、 Restore the database from a whole consistent backup and start the database in MOUNT mode. Then， clear the lost redo log group and open the database with the RESETLOGS option after performing a cancel-based recovery.
  • D、 Do nothing. You do not need to recover the database in this case； an instance recovery will be performed by the SMON process on startup.

正确答案:A

第5题：

（）Very well, thank you. And you?

  • A、Good night.
  • B、How ar eyou?
  • C、How do you do?
  • D、How do you like Chinese?

正确答案:B

第6题：

How do you do? Glad to meet you.（）

AFine. How are you?

BHow do you do? Glad to meet you, too.

CHow are you? Thank you! 

DNice. How are you?


B
略

第7题：

How are you，Bob？—greetings/How do you do？Hello!Hi!What’s up？（）Ted

  • A、How   are   you？
  • B、I’m   fine.Thank  you.
  • C、How  do  you   do？
  • D、Nice   to   mee   tyou.

正确答案:B

第8题：

Excuse me. You must be Mr. Liu Hua from China?()

A. How do you do?

B. Yes. Nice to meet you.

C. Thank you.


参考答案：B

第9题：

How do you ping from configuration mode?（）

  • A、[edit interfaces]   user@router# run ping 1.1.1.1
  • B、[edit interfaces]   user@router# ping 1.1.1.1
  • C、[edit interfaces]   user@router# up ping 1.1.1.1
  • D、[edit interfaces]   user@router# exit ping 1.1.1.1

正确答案:A

第10题：

You have a portable computer that runs Windows 7. You configure the computer to enter sleep mode after10 minutes of inactivity. You do not use the computer for 15 minutes and discover that the computer has notentered sleep mode. You need to identify what is preventing the computer from entering sleep mode.  What should you do?（）

  • A、At a command prompt， run Powercfg energy.
  • B、At a command prompt， run Systeminfo /s localhost.
  • C、From Performance Monitor， review the System Summary.
  • D、From Performance Information and Tools， review the detailed performance and system information.

正确答案:A

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