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A user tries to telnet into a system that was previously acc

题目
单选题
A user tries to telnet into a system that was previously accessible but gets the following error:  "telnetd: 0403-031 fork function failed, there is not enough memory available."  netstat -m shows that 0 mbuf errors have occurred.  Which of the following conclusions is most appropriate to draw about this error?（）
A

 The paging space is full.

B

 A particular filesystem is full and cannot be allocated to memory.

C

 A problem exists with telnetd. 

D

 The inetd daemon went down. 

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相似问题和答案

第1题：

Which command will delete the current rescue configuration?()

A. user@router# system delete configuration rescue

B. user@router> request system configuration rescue delete

C. user@router# delete rescue configuration

D. user@router> file delete rescue-configuration


参考答案：B

第2题：

Which command will display the active configuration?()

A. user@router> show configuration

B. user@router# show

C. user@router> show system configuration

D. user@router> show system commit


参考答案：A

第3题：

注册表中保存系统设置的文件名称是( )。

A．User.ini

B．User.dat

C．System.dar

D．system.ini


正确答案：C
解析：注册表在逻辑上是一个数据库，但为了易于管理和使用把它物理地分为2个文件：System.dat和User.dat。其中系统特有的设置存在System.dat中。

第4题：

Accelerated analysis approaches emphasize the construction of（ ）to more rapidly identify business and user requirements for a new system. As an accelerated analysis technology，（ ）reads the program code and automatically generates the equivalent system model， and the code can be obtained from （请作答此空）. All system analysis approaches require some form of（ ）which includes those techniques to be used to identify or extract system problems and solution requirements from user community. （ ）is a classical set of techniques used to collect information about system problems， opportunities， solution requirements， and priorities.




A. existing database and application program
B. application program and user interface
C. existing database and user interface
D. existing database，application program and user interface

答案：D
解析：

第5题：

A router has been configured with the settings shown below:[edit]user@host show system authentication-order authentication-order [ radius tacplus ];The router also has a local database that contains the user lab with password lab123. What would happen if both the RADIUS and the TACACS servers are not accessible?（）

A.The user lab will not be able to login.

B.The user lab will be authenticated against the local database and will be able to login.

C.The user lab will receive an error message indicating the router is unable to authenticate due to the authentication servers not responding.

D.The user will be able to login only if tries to login as the root user.


参考答案：B

第6题：

You are asked to free up disk space so you can update your version of the Junos OS.Which two commands display the files that will be removed?()

A. user@router> request system storage cleanup

B. user@router> show system storage

C. user@router> request system storage cleanup dry-run

D. user@router> show system storage detail


参考答案：A, C

第7题：

注册表中保存系统设置的文件名称是( )。

A．User. ini

B．User. dat

C．System. dat

D．System. ini


正确答案：C

第8题：

Click the Exhibit button.System services SSH, Telnet, FTP, and HTTP are enabled on the SRX Series device.Referring to the configuration shown in the exhibit, which two statements are true? （）(Choose two.)

A. A user can use SSH to interface ge-0/0/0.0 and ge-0/0/1.0.

B. A user can use FTP to interface ge-0/0/0.0 and ge-0/0/1.0.

C. A user can use SSH to interface ge-0/0/0.0.

D. A user can use SSH to interface ge-0/0/1.0.


参考答案：B, C

第9题：

以下命令片段实现的功能是（ ）。[Server] telnet server enable[Server] user-interface vty 0 4[Server-ui-vtyo-4] protocol inbound telnet[Server-ui-vtyo-4] authentication-mode aaa[Server-ui-vtyo-4] user privilege level 15[Server-ui-vtyo-4] quit

A.配置telnet访问认证方式
B.配置telnet访问用户的级别和认证方式
C.配置telnet访问接口
D.配置telnet访问接口和认证方式

答案：B
解析：
命令片段实现的功能是配置telnet访问用户的级别和认证方式。

第10题：

Which command will display the active configuration?（）

  • A、user@router> show configuration
  • B、user@router# show
  • C、user@router> show system configuration
  • D、user@router> show system commit

正确答案:A

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