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

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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

多项选择题

What kind of information can you deduce from an IOS image file name?（）

A. Distribution channel failures
B. Feature capabilities
C. Memory capacity needs
D. Hardware product platform
E. Programming language requirements
F. Run location and compression status

单项选择题

After issuing the "show version" command on your Cisco router, you notice that the image is named "C7200-ajs40-mx". What does the C7200 portion of the filename represent?（）

A. The memory capacity requirements
B. The hardware product platform
C. The distribution channel
D. The feature capabilities
E. The run location and compression status