简答题 what kind of message in GLBP will inform other membership of GLBP learn virtual mac-address.

问答题什么情况会使BGP停止在IDLE（空闲）状态？

问答题几台交换机互联，都是client模式，问其中一台新增一个vlan，结果会怎么样？

问答题Whatarethethreemaintypesofnetworksthatmustbeconsideredwhendefiningasecuritypolicy？

问答题WhatisthepurposeoftheRouteTagfieldintheRIPv2message？

问答题Youaresubnetinginthenetwork，outofnetworkaddress，what’sfeaturecanaddonemoreaddress？