单项选择题
A.show configuration
B.show environment
C.show inventory
D.show platform
E.show version
单项选择题 When you are logged into aswitch，which prompt indicates that you are inprivileged mode？（）
单项选择题 Therouteraddress192.168.1.250isthedefaultgatewayforboththeWebServer2andHost1.Whatisthecorrectsubnetmaskforthisnetwork?（）
单项选择题 WhatmustbeconfiguredonthenetworkinorderforusersontheInternettoviewwebpageslocatedonWebServer2?（）