题目内容

WhichtwostatementsdescribethefunctionsandoperationsofIDSandIPSsystems？（）

Anetworkadministratorenteringawrongpasswordwouldgenerateatrue-negativealarm.
B. AfalsepositivealarmisgeneratedwhenanIDS/IPSsignatureiscorrectlyidentified.
C. AnIDSissignificantlymoreadvancedoverIPSbecauseofitsabilitytopreventnetworkattacks.
D. CiscoIDSworksinlineandstopsattacksbeforetheyenterthenetwork.
E. CiscoIPStapsthenetworktrafficandrespondsafteranattack.
F. Profile-basedintrusiondetectionisalsoknownas"anomalydetection".

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在设置静态ip地址时，（）参数有时是可以不设置的。（选择三项）

A. 网关
B. 子网掩码
C. 首选域名服务器
D. 备用域名服务器

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WhatarethreeadvantagesoftheCiscoIntegratedServicesPouterproductfamily？（Choosethree.）（）

A. providesadvancedsecuritysuchashardwareencryptionacceleration
B. providesinvestmentprotectionthroughincreasedmodularity
C. comesequippedwithatleastone1000-basedTXinterlace
D. containsintegratedwirelessaccessusingthe802.11g/bstandard
E. containsintegratedweb-basedmanagementtoolsforeasyconfigurationandmaintenance

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Whichtwostatementsaboutcommonnetworkattacksaretrue？（）

Accessattackscanconsistofpasswordattacks，trustexploitation，portredirection，andman-in-the-middleattacks.
B. Accessattackscanconsistofpasswordattacks，pingsweeps，portscans，andman-in-the-middleattacks.
C. Accessattackscanconsistofpacketsniffers，pingsweeps，portscans，andman-in-the-middleattacks.
D. Reconnaissanceattackscanconsistofpasswordattacks，trustexploitation，portredirectionandInternetinformationqueries.
E. Reconnaissanceattackscanconsistofpacketsniffers，portscans，pingsweeps，andInternetinformationqueries.
F. Reconnaissanceattackscanconsistofpingsweeps，portscans，man-in-middleattacksandInternetinformationqueries.

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WhatisthefunctionoftheAJBbitsonDS1usingExtendedSuperFrame（ESF）？（）

A. Itisusedforsignalingon-hookandoff-hookstatus
B. ItcarriesCRCinformationforerrordetection
C. Itisusedforacontrolandperformanceinformation
D. Itisusedforaframe’ssynchronizationandalignment

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