You are the network administrator at TestKing. You need to perform password recovery on Router TK1. What must you modify in the password recovery process?（）

A. Configuration register
B. NVRAM
C. Boot flash
D. CMOS
E. Flash

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单项选择题

After making some network changes you power off and then power on your Cisco router. What sequence of events occurs when a router is powered up?（）

A. Perform POST, locate configuration statements, apply configuration statements, locate Cisco IOS software, and load Cisco IOS software.
B. Locate Cisco IOS software, load Cisco IOS software, locate configuration statements, apply configuration statements, and perform POST.
C. Test software routines, POST, load configuration files, load Cisco IOS software, test Cisco IOS software.
D.POST, locate Cisco IOS software, load the Cisco IOS software, locate configuration statements, and apply configuration statements.
E. Load and test IOS, load configuration files, test software routines, POST.

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.

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!"

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