Before installing a new, upgraded version of the IOS, what should be checked on the router, and which command should be used to gather this information? (Choose two.)

Before installing a new, upgraded version of the IOS, what should be checked on the router, and which command should be used to gather this information? (Choose two.)



A. show version
B. the amount of available ROM
C. the version of the bootstrap software present on the router
D. the amount of available flash and RAM memory



Answer: A,D


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