单项选择题
A.Install only two modules as the RAM has to be installed in pairs
B.Purchase one additional RAM module to make it even. Three modules will function as triplechannel and the additional module will be for parity
C.Purchase dual channel memory. The triple channel memory may be incompatible with theserver motherboard
D.Install the RAM.Two modules will perform as dual channel and one as single channel
单项选择题 Anadministratorneedstoinstalla2Userverintoarack.Whichofthefollowingshowshowmuch space，inheight，needstobeavailablefortheservertofitintherack？（）
单项选择题 AtechnicianistroubleshootingalackofInternetconnectivityaffectingtheirentireoffice.The techniciansuspectstheissueiswiththeirInternetServiceProviderfailingtoprovideservice.WhichofthefollowingcommandlinetoolsshouldthetechnicianusetoBESTtestthistheory？（）
单项选择题 Asmallbusinesshashadunauthorizedpeopleentertheirserverroomanddamagetheirservers.WhichofthefollowinglocksforthedoorwouldBESTpreventunauthorizedpeoplefromaccessing theserverroom？（）