多选题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? （）Athe amount of available ROMBthe amount of available flash and RAM memoryCthe version of the boot
题目
多选题
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? （）
A
the amount of available ROM
B
the amount of available flash and RAM memory
C
the version of the bootstrap software present on the router
D
show version
E
show processes
F
show running-config