RegardingL2TP,inwhichtwosituationsisaservicemoduleorserviceIOArequired?（）(Choosetwo.)
A. alwaysforLNS
B. alwaysforLAC
C. LACwithfragmentationinthetunnel
D. LNSwhentherearegreaterthan2000sessions
客户关系管理的核心在于（）。
A. 了解客户的需求
B. 知道哪些客户是最有利可图的
C. 什么是最有效的沟通方式
D. 发展客户
E. 如何细分客户
WhichconfigurationcausesRIP-learnedroutestobeadvertisedtootherRIPneighbors?（）
A. setprotocolripno-passive
B. topeditpolicy-optionspolicy-statementdemosetterm1fromprotocolripsetterm1thenaccepttopsetprotocolsripgroupinternalexportdemo
C. setprotocolsripadvertisein-out
D. topeditpolicy-optionspolicy-statementdemosetterm1fromactiveroutessetterm1thenaccepttopsetprotocolsripgroupinternalexportdemo
WhichtwostatementsaretrueregardingL2TP?（）(Choosetwo.)
A. TunnelsareinitiatedbytheLAC
B. TunnelsareinitiatedbytheLNS
C. Bydefault,subscriberauthenticationoccursontheLNS
D. Bydefault,subscriberauthenticationoccursontheLAC
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