多项选择题
A.Cisco
B.ANSI - Annex D
C.Q.931 - Annex B
D.Q.933 - Annex A
问答题 whatisthepurposeofCIDR？
单项选择题 Youworkasanetworkengineerforthecompany，youwanttoconfiguretwoBGPspeakerstoformanEBGPsessionacrossafirewall.Ontheengineer’snetwork，thefirewallalwayspermitsTCPsessionsthatareinitiatedfromtheinsidenetwork（thenetworkattachedtotheinsideinterfaceofthefirewall）.WhatprerequisiteisthereforenablingBGPtorunonthisnetwork？（）
问答题 whatisthepurposeofframe-relayLMI？