多项选择题
Which three of these statements about PPPoE are true？（）
A.PPPoE can provide a host with access to a destination over Ethernet. You can have only one PPPoE session per PVC
B.You must install PPPoE client software on all hosts that connect to the Ethernet segment. This means that the access provider must maintain a CPE
C.You cannot use PPPoE with Cisco Service Selection Gateway
D.PPPoE implementation is susceptible to broadcast storms and possible denial-of-service attacks
E.Per-session accounting is possible， which allows the service provider to charge the subscriber based on session time for various services offered. The service provider can also require a minimum access charge
相关考题
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单项选择题
WhatistheorderofpreferenceforthesecommandswhenallofthemareappliedtooneneighborintheBGPinboundfilterdirection？（）
A.prefix-list， route-map， filter-list， distribute list
B.route-map， filter-list， prefix-list， distribute-list
C.route-map， distribute-list， prefix-list， filter-list
D.filter-list， prefix list， route-map， distribute list
E.distribute list， prefix-list， route-map， fitter list -
多项选择题
WhataretwouRPFworkingmodes？（）
A.express mode
B.safe mode
C.loose mode
D.strict mode
E.tight mode -
多项选择题
WhichfourstatementsaboutanIPservicelevelagreement（SLA）aretrue？（）
A.SLA responder knows type of operation， the port used， and duration.
B.SLA responder inserts in and out timestamps in the packet payload.
C.SLA sender and responder use the IP SLA Control Protocol to communicate with each other before
D.SLA sender and responder communication can be encrypted.
E.SLA sender and responder communication can be authenticated with MD5.
