单项选择题
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?（）
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?（）
多项选择题 What should be done prior to backing up an IOS image to a TFTP server?（）
