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.)
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Before installing a new, upgraded version of the IOS on a Cisco router, it is important to check the router's available memory and the current version of the IOS. Two things that should be checked on the router before installing a new IOS are:
The amount of available flash and RAM memory: The new IOS file must be able to fit in the router's flash memory, and the router must have enough RAM to run the new IOS. To check the amount of available flash and RAM memory, use the "show flash" and "show memory" commands, respectively.
The current version of the IOS: It is important to know the current version of the IOS running on the router to determine whether an upgrade is necessary and to ensure that the new IOS is compatible with the router. To check the current IOS version, use the "show version" command.
Therefore, the two commands that should be used to gather this information are:
"show flash" - This command will display the amount of available flash memory on the router, as well as the files currently stored in flash memory.
"show version" - This command will display information about the router, including the IOS version, the amount of RAM on the router, and the amount of flash memory on the router.