单选题After logging into a router, you type in "enable" and then enter the correct password when prompted. What is the current router prompt symbol at this point?（）A B #C ?D *E All of the aboveF None of the above

After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?

A．It will recall the previous command line

B．It will move the cursor one line up

C．It will redisplay the current command line

D．It will capitalize the command line

E．None of the above

A. Point-to-point

B. Broadcast

C. Non-broadcast multi-access

D. Backbone area 0

E. None of the above

You have just purchased a brand new router and wish to have the router prompt you through the initial configuration commands. Which router mode does this describe?

A．ROM Monitor mode

B．SETUP mode

C．Autoflash mode

D．RXBOOT mode

E．None of the above

After working all night and successfully configuring a Cisco router for the TestKing network you save your changes on the startup config, reboot the router, and go out for a cigarette. When you return, none of your changes are active and the router boots to the initial configuration mode!Which of the choices below indicates the source of your problem?（）

A. Hardware failure in NVRAM prevents the router from loading the config

B. Startup-config in flash is corrupt and cannot be analyzed

C. Router configuration-register set to bypass startup configuration

D. Startup-config in NVRAM is corrupt and cannot be analyzed

E. None of the above

You wish to upgrade the IOS of a router without removing the image currently installed.What command will display the amount of memory that is being used by the current IOS image and whether there is enough room available to hold both the current and new images?（）

A. Router# show version

B. Router# show flash

C. Router# show memory

D. Router# show buffers

E. Router# show running-config

F. All of the above

A network planning diagram shows a large internetwork with many routers. The configurations show that OSPF has been enabled on all interfaces, I P addresses correctly configured, and OSPF workinG.For which of the following cases would you expect a router to create and flood a Type 2 LSA?（）

A. When OSPF is enabled on a LAN interface, and the router is the only router connected to the subnet.

B. When OSPF is enabled on a point - to -point serial link, and that router has both the higher router ID and higher interface IP address on the link.

C. When OSPF is enabled on a Frame Relay point - to - point subinterface, has the lower RID and lower subinterfa ce IP address, and otherwise uses default OSPF configuration on the interface.

D. When OSPF is enabled on a working LAN interface on a router, and the router has been elected BDR.

E. None of the other answers is correct.

A.

B.

C.

D.

You are a senior network administrator at Ezonexam, and while performing the password recovery procedure on your 2500 series Cisco router, you type in the following command:

o/r 0x2142

What is the purpose of this command?

A．It is used to restart the router.

B．It is used to bypass the configuration in NVRAM.

C．It is used to enter ROM Monitor mode.

D．It is used to view the lost password.

E．It is used to save the changes to the configuration.

You are a senior network administrator at TestKing, and while performing thepassword recovery procedure on your 2500 series Cisco router, you type in thefollowing command:o/r 0x2142What is the purpose of this command?（）

A. It is used to restart the router.

B. It is used to bypass the configuration in NVRAM.

C. It is used to enter ROM Monitor mode.

D. It is used to view the lost password.

E. It is used to save the changes to the configuration.

A. >

B. #

C. ?

D. *

E. All of the above

F. None of the above