单项选择题
A.Ping 10.1.1.1 Data Pattern M
B.Ping 10.1.1.1 timeout 0
C.Ping 10.1.1.1 size 1500 df-bit
D.Ping 10.1.1.1 source loopback 0
E.Ping 10.1.1.1 size 1500
F.Ping 10.1.1.1 size 1500 Strict
多项选择题 Aroutersimultaneouslyreceivesallthefollowingroutesinvariousroutingupdates.Whichofthefollowingrouteswouldendupintheroutingtable？（Chooseallthatapply.）（）
多项选择题 WhichofthefollowingdatastructuresexistonarouterfortheOSPFroutingprotocol？（）
多项选择题 Whichofthefollowingproceduresareinvolvedintherecommendedthree-steptroubleshootingflow？（Choosethebestthreeanswers.）（）