单项选择题

Which is the correct fallback sequence for loading the Cisco IOS?（）

A. ROM, Flash, NVRAM
B. ROM, TFTP server, Flash
C. Flash, TFTP server, ROM
D. Flash, NVRAM, RAM

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多项选择题

You are a trainee technician at TestKing, Inc. Your instructor tells you to backup an IOS image of a Cisco device to a Windows 2003 server on the network.What should you do first?（）

A. Make sure that the network server can be accessed.
B. Check that the authentication for access is set.
C. Assure that the network server has adequate space for the code image.
D. Verify any file naming and path requirements.
E. Make sure that the server can load and run the bootstrap code.

单项选择题

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

多项选择题

After logging into the RtrB router, you issue the "show interface" command as displayed below:
After considering the effects of the command output illustrated in the exhibit above,which of the following protocols are operational on the serial link?（）

A. PPP
B. IP
C. Compression
D. IPX
E. Multilink
F. ATX