多项选择题

he network administrator is trying to add Switch1 to the network， but the 802.1Q trunk is not coming up. Switch1 was previously tested in the laboratory and its trunk configuration worked fine. What are three possible causes of this problem？（）

A.The trunking configuration mode on Switch1 is set to Off.
B.The trunking configuration mode on the other end is set to On.
C.The trunking configuration mode on the other end is set to Desirable.
D.Cisco Discovery Protocol is not running on the other end.
E.There is a VTP domain name mismatch.
F.Switch1 does not support 802.1Q

<上一题目录下一题>

热门试题

单项选择题TwoBGPpeersconnectedthrougharoutedfirewallareunabletoestablishapeeringrelationship.Whatcouldbethemostlikelycause？（）

A.BGP peers must be Layer 2-adjacent.
B.EBGP multihop is not configured.
C.The firewall is not configured to allow IP protocol 89.
D.The firewall is not configured to allow UDP 179.

单项选择题AnetworkiscomposedofseveralVRFs.ItisrequiredthatVRFusersVRF_AandVRF_BbeabletoroutetoandfromVRF_C，whichhostssharedservices.However，trafficmustnotbeallowedtoflowbetweenVRF_AandVRF_B.Howcanthisbeaccomplished？（）

A.route redistribution
B.import and export using route descriptors
C.import and export using route targets
D.Cisco MPLS Traffic Engineering

单项选择题WhichofthesetablesisusedbyanLSRtoperformaforwardinglookupforapacketdestinedto anaddresswithinanRFC4364VPN？（）

A.CEF
B.FIB
C.LFIB
D.IGP

单项选择题panningTreeProtocolcalculatespathcostbasedonwhichofthese？（）

A.interface bandwidth
B.interface delay
C.interface bandwidth and delay
D.hop count
E.bridge priority

单项选择题Anexpandingcompanyisdeployingleasedlinesbetweenitsmainsiteandtworemotesites.Thebandwidthoftheleasedlinesis128kb seach，terminatedondifferentserialinterfacesonthemainrouter.TheselinksareusedforcombinedVOIPanddatatraffic.ThenetworkadministratorhasimplementedaVOIPsolutiontoreducecosts，andhasthereforereservedsufficientbandwidthinalowlatencyqueueoneachinterfacefortheVOIPtraffic.Usersnowcomplainaboutbadvoicequalityalthoughnodropsareobservedinthelowlatencyqueue.Whatactionwilllikelyfixthisproblem？（）

A.mark VOIP traffic with IP precedence 6 and configure only ’fair-queue’ on the links
B.configure the scheduler allocate 3000 1000 command to allow the QoS code to have enough CPU cycles
C.enable class-based traffic shaping on the VoIP traffic class
D.enable Layer 2 fragmentation and interleaving on the links
E.enable Frame Relay on the links and send voice and data on different Frame Relay PVCs