（)是计算机系统内部用来表示中、西文信息的代码，也称汉字存储码。A．内码B．外码C．交换码D．输出码

A. If no core layer is deployed, the design will be easier to scale.

B. If no core layer is deployed, there will be fewer cabling requirements.

C. If no core layer is deployed, the distribution switches should not be fully meshed.

D. A dedicated campus core layer is not needed for connecting fewer than five buildings.

E. A dedicated campus core layer should be deployed for connecting three or more buildings.

A.0

B.1

C.2

D.4

E.16

F.infinity

A.：：/0istheunspecifiedaddress，and：：/128isthemulticastaddress

B.：：/0istheunicastaddress，and：：/128istheanycastaddress

C.：：/0istheunicastaddress，and：：/128isthemulticastaddress

D.：：/0istheanycastaddress，and：：/128isthemulticastaddress

E.：：/0isthedefaultroute，and：：/128istheunspecifiedaddress

F.：：/0istheanycastaddress，and：：/128isthedefaultaddress

A.EachrouterdetermineswheretosendtheJOINrequest.

B.ThetreewillbebuiltbasedontheIPaddressoftheE2interfaceonrouterE

C.ThebestpathtothesourcewillbediscoveredintheunicastroutingtableonrouterB

D.ThebestpathtothesourcewillbediscoveredintheunicastroutingtableonrouterC

E.ThebestpathtothesourcewillbediscoveredintheunicastroutingtableonrouterE

A.Themaximumnumberoftimesadoublecoloncanreplacea16-bitsegmentthatconsistsofallzeroesistwo

B.Theleadingzeroesinany16-bitsegmentdonothavetobewritten.

C.Every16-bitsegmentthatconsistsofallzeroescanberepresentedwithasinglecolon

D.Thetrailingzeroesinany16-bitsegmentdonothavetobewritten.

E.Anysingle，continuousstringofoneormore16-bitsegmentsthatconsistsofallzeroescanberepresentedwithadoublecolon

F.Twozeroesinthemiddleofany16-bitsegmentdonothavetobewritten

A.asinglehost

B.asubsetofhosts

C.allhostssequentially

D.allhostssimultaneously

A. Utilize Layer 3 switching.

B. Utilize software accelerated services.

C. Aggregate end users and support a feature-rich environment.

D. Perform packet manipulation and filtering at the core layer.

E. Use redundant point-to-point Layer 2 interconnections when there is a link or node failure.

A.TCP502

B.TCP514

C.TCP520

D.UDP502

E.UDP514

F.UDP520

A.supportsmultipleMIBs

B.includesNetFlow，NBAR，andIPSLAsoftwaresubsystems

C.includesNetFlow，syslog，andIPSLAsoftwaresubsystems

D.includesapredefinedframeworkforfilteringandcorrelatingmessages

E.supportstwologgingprocessessooutputcanbesentinstandardandESMformat

A. Routing is mostly static.

B. Hardcoded IP addresses are used to support failover.

C. Inbound servers use the CSM or ACE as the default gateway.

D. VLANs between the access layer switches are used for FHRP protocols.