以下行为情况，属于过错责任的构成要件是()。

A.Forthetwovlanstocommunicate，anetworkstatementforthetrunkinterfaceneedstobeaddedtothe OSPFconfiguration.

B.Forthetwovlanstocommunicate， anetworkstatementforeachsubinterfaceneedstobe added tothe OSPFconfiguration.

C.Directinter-vlancommunicationdoesnotrequireOSPF

D.OSPFcannotbeusedifrouter-on-a-stickisconfiguredontherouter

imumthroughputforthephonedata,thecompanyneedstomakesurethatthephonetrafficisonadifferentnetworkfromthatoftheofficecomputerdatatraffic.Whatisthebestnetworkdevicetowhichtodirectlyconnectthephonesandcomputers,andwhattechnologyshouldbeimplementedonthisdevice?(Choosetwo.)（）

A.hub

B.router

C.switch

D.STP

E.subinterfaces

F.VLAN

A.multicast

B.broadcast

C.allcast

D.podcast

E.anycast

A.Split horizon is preventing Router2 from receiving routing information from Router1.

B.Router1 is configured for RIP version 2,and Router2 is configured forRIP version 1.

C.Router1 has an ACL that is blocking RIP version 2.

D.There is a physical connectivity problem between Router1 and Router2.

E.Router1 is using authentication and Router2 is not.

A.Cisco安全管理器

B.CiscoIOS软件

C.Cisco安全代理

D.MARS

A.Amoreefficientuseofbandwidthcanbeachievedallowingmanyphysicalgroupstousethesame networkinfrastructure

B.Broadcaststormscanbemitigatedbydecreasingthenumberofbroadcastdomains，thusincreasing theirsize

C.Ahigherlevelofnetworksecuritycanbereachedbyseparatingsensitivedatatrafficfromothernetwork traffic

D.Port-basedvlansincreaseswitch-portuseefficient，thanksto802.1Qtrunks

E.Amoreefficientuseofbandwidthcanbeachievedallowingmanylogicalnetworkstousethesame networkinfrastructure

F.Broadcaststormscanbemitigatedbyincreasingthenumberofbroadcastdomains，thusreducingtheirsize

G.VLANsmakeiteasierforITstafftoconfigurenewlogicalgroups，becausethevlansallbelongtothesamebroadcastdomain

A.威胁控制和遏止

B.安全通信

C.安全策略

D.运营控制和策略管理

A.安全性

B.完整性

C.合作性

D.适应性

A.穿透模式

B.隧道模式

C.传输模式

D.代理模式

A.预共享密钥

B.数字签名

C.RSA签名

D.SSL