单项选择题

What is a criteria of the enterprise composite network model？（）

A. includes all modules needed to meet any network design
B. defines flexible boundaries between modules for scalability requirements
C. clearly defines module boundaries and demarcation points to identify where traffic is
D. requires specific core， distribution， and access layer requirements to match the model

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热门试题

单项选择题WhatisthefirststepthatyouwoulduseCiscoProductAdvisorforwhenselectingarouterforan Edgesolution？（）

A. determine types of protocols to be supported
B. determine the environment in which the router will be used
C. select the number of WAN ports required
D. select the number of LAN ports required

单项选择题CaptainMarion’sVideographydeliversInternetdigitalvideousing9MPEGvideoencodersandastatisticalmultiplexer.Channelsarepackedintoa6-MHzchannelbandwidth.TheMPEGmultiplexemonitorsandallocatestheappropriatebandwidth.Themultiplexermeasuresavailable bandwidthandfeedsbacksignalingtotheMPEGencoders.Codingratesarethenincreasedordecreased.Packetgenerationfromeachinputsourceiscontrolledsuchthatnopacketsaredroppedandnoextranullpacketscanbegenerated.Thesebandwidthandtrafficrequirementsworkbestwithwhichmodeofvideodelivery？（）

A. fixed broadcast
B. open looped
C. quality equalization
D. VoD delivery

多项选择题YouarethenetworkconsultantfromCisco.com.Pleasepointouttwostatementscorrectly describeanIPSdevice？（）

A. It resembles a Layer 2 bridge.
B. Traffic flow through the IPS resembles traffic flow through a Layer 3 router.
C. Inline interfaces which have no IP addresses cannot be detected.
D. Malicious packets that have been detected are allowed to pass through， but all subsequent traffic is blocked.

单项选择题UsersattheCharlevilleCompanybeganexperiencinghighnetworkdelayswhenInternetconnectivitywasenabledforallusers.Afterinvestigatingthetrafficflow，youdeterminethatpeer-to-peertrafficfromamusicdownloadsiteisconsumingalargeamountofbandwidth.WhichQoSmechanismcanyouimplementtoimprovethenetworkresponsetime？（）

A. Use CBWFQ to queue the peer-to-peer traffic into the default traffic class.
B. Use class-based WRED to randomly drop the peer-to-peer traffic during network congestions.
C. Use class-based policing to limit the peer-to-peer traffic rate.
D. Use class-based shaping to delay any excessive peer-to-peer traffic.

多项选择题WhichtwoofthesekeyfieldsareusedtoidentifyaflowinatraditionalNetFlowimplementation？（）

A. source port
B. output interface
C. next-hop IP address
D. source MAC address
E. destination IP address
F. next-hop MAC address