单项选择题
A.Quality of Service
B.Trunk configuration
C.Access lists
D.Routing protocol configuration
E.Power over Ethernet
F.DHCP configuration
单项选择题 WhichofthefollowingsolutionswillencapsulateIPv6packetswithIPv4headers？（）
单项选择题 WhichofthefollowingcommandswillenableyoutoseethecontentsoftheIProutingtableandsendtheoutputtoaTFTPserveratthesametime？（）
多项选择题 WhichofthefollowingcharacteristicsarecommontobothRIPv2andRIPng？（Chooseallthatapply.）（）