多项选择题
Which three things can be restricted by the Class of Service in a traditional PBX？ （）
A. dial plans
B. dialed numbers
C. voice mail prompts
D. phone features
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A. EIGRP can summarize per interface.
B. OSPF router databases remain independent.
C. When they are configured with stubs， EIGRP regularly floods the topology.
D. OSPF topology decisions are made independent of hierarchy or area. -
单项选择题
Whendealingwithtransparentcaching，whereshouldtheContentEnginesbeplaced？（）
A. close to the servers
B. close to the end users
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单项选择题
TheVPNterminationfunctionprovidestheabilitytoconnecttwonetworkstogethersecurelyovertheinternet.WhichoftheseistrueofIPaddressingwithregardtoVPNtermination？（）
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B. termination devices need not routable addresses inside the VPN
C. IGP routing protocols will update their routing tables over an IPsec VPN
D. addressing designs need to allow for summarization
