多项选择题
A.6to4 is a manual tunnel method
B.Prepending a reserved IPv6 code to the hexadecimal representation of 192.168.0.1 facilitates6to4 tunneling
C.Each 6to4 site receives a /48 prefix in a 6to4 tunnel
D.2002：：/48 is the address range specifically assigned to 6to4
E.Prepending 0x2002 with the IPv4 address creates an IPv6 address that is used in 6to4tunneling
单项选择题 CompanynetworkisimplemtingIPv6intotheirexistingIPv4netwrok.WhichstatementistrueaboutincorporatingIPv6intoanalreadyexistingIPv4network？（）
多项选择题 ToenableBGPtunnelingovertheIPv4backbone，theIPv4address192.168.30.1isconvertedintoavalidIPv6address.WhichthreeIPv6addressesareacceptableformatsfortheIPv4address？（）
单项选择题 Thecommand"clearipv6ospfprocess"wasissuedonarouter.Whatdoesthiscommandaccomplish？（）