从IPv4迁移到IPv6可以使用哪三种方法？（）

A.Itspecifiestheloginauthenticationmethodlistnamedconsole-inusingthelocaluserdatabaseonthe router

B.Itspecifiestheloginauthorizationmethodlistnamedconsole-inusingthelocalRADIUSusername-passworddata base

C.Itspecifiestheloginauthenticationlistnamedconsole-inusingthelocalusername-passworddata base ontherouter

D.Itspecifiestheloginauthorizationmethodlistnamedconsole-inusingthelocalusername-password data baseontherouter

A.该的Serial0/0接口被传输流量

B.该DLCI100是动态路由器分配

C.该的Serial0/0接口从DHCP服务器获取的172.16.3.1的IP地址

D.的DLCI100将被动态地改变，以适应变化的帧中继云所需

E.DLCI100和终端站IP地址172.16.3.1的映射是通过反向ARP学到

A.Fixed-lengthgroupsofdigitscalledblocks

B.Individualblocks，oneatatime，withthetransformationsvaryingduringtheencryption

C.Individualdigits，oneatatime，withthetransformationsvaryingduringtheencryption

D.Fixed-lengthgroupsofbitscalledblocks

A.Theport’sviolationmodeissettorestrict

B.Theportisshutdown

C.TheMACaddresstableisclearedandthenewMACaddressisenteredintothetable

D.Theportremainsenabled，butbandwidthisthrottleduntiloldMACaddressesareagedout