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
【单选题】(Para 7)Couples need to remember to keep intimate or potentially embarrassing relationship details to themselves.这句话中keep sth. to oneself是固定搭配,这里的sth是指?