单项选择题
You are unable to connect to the TESTKING1 router. Which of the following command sequences will correct this problem?（）
A.
B.
C.
D.
E.
F.
相关考题
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单项选择题
You want the text "Unauthorized access prohibited!" to be displayed before the login prompt every time someone tries to initiate a Telnet session to a router, as shown in the example below: Which command can be used to configure this message?（）
A. login banner x Unauthorized access prohibited! X
B. banner exec y Unauthorized access prohibited! Y
C. banner motd x Unauthorized access prohibited! X
D. vtv motd "Unauthorized access prohibited!" -
多项选择题
The TestKingA router is configured as shown below: TestKingA(config)# interface loopback 0 TestKingA(config-if)# ip address 192.168.16.24 255.255.255.255 As a result of this change, which of the statements below are true?（）
A. It creates a virtual, software only, interface.
B. It provides a way to test the convergence of OSPF routing updates.
C. The mask of 255.255.255.255 is called a host mask.
D. It uses a wildcard mask of 255.255.255.255.
E. It ensures that an interface is always active for OSPF processes.
F. Loopback interfaces must be numbered 0. -
单项选择题
A CCNA candidate is working on a 2600 Cisco router. The person needs to verify that the configuration register is set to boot the router IOS from flash memory and use the commands saved in the startup-configuration file. Which command will display this information, and what is the configuration register value that should be displayed?（）
A. show startup-config and 0x2142
B. show version and 0x2102
C. show flash and 0x2102
D. show version and 0x2142
E. show running-config and 0x2142
F. show flash and 0x2142
