WhatisthefunctionoftheAJBbitsonDS1usingExtendedSuperFrame（ESF）？（）
A. Itisusedforsignalingon-hookandoff-hookstatus
B. ItcarriesCRCinformationforerrordetection
C. Itisusedforacontrolandperformanceinformation
D. Itisusedforaframe’ssynchronizationandalignment
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AcustomerisconsideringpurchasingeitheraCiscoCatalyst2960orCiscoCatalystExpress500.WhichfeaturecanonlybefoundontheCatalyst2960？（）
A. 48Ethernet10/100ports
B. FastEthernetandGigabitEthernetconnectivity
C. dual-purposecopperorfiberuplinks
D. standalonefixed-configurationLayer2switching
Whichtwoofthesestatementsbestdescribefastsecureroamingforthewirelesscorefeaturesetusingautonomousaccesspoints？（Choosetwo.）（）
A. Itiscompatiblewithallwirelessclients.
B. ItreducesroaminglatencythroughreducedclientRFchannelscanningenhancements.
C. Itreducesroaminglatencytotargetedtimesoflessthan75ms.
D. RoamingoccurswithoutreauthenticationthroughacentralizedRADIUSserver.
E. ItisenabledthroughWLSEdeployment.
WhichtwostepsbelowshouldyouperformonthehubrouterwhileconfiguringEIGRProutingoverDMVPN（mGREtunnel）？（）
A. SettheNHRPholdtimetomatchtheEIGRPholdtime
B. Addtheenableeigrpstubcommand
C. Addthedisableeigrpas-membersplit-horizoncommand
D. Addthedisableeigrpas-membernext-hop-selfcommand
WhichCiscoWorkscomponentwouldmosthelpyoulocateend-stationconnectionsattheaccessswitchlevelquickly？（）
A. CiscoView
B. ResourceManagerEssentials
C. DeviceFaultManager
D. CampusManager
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