2009年第一季度浙江省各行业用煤量与去年相比负增长率最大的是:
A.电力行业
B.建材行业
C.化工行业
D.民用
第1题
A. The interface used to connect to that neighbor being passive in the OSPF process
B. Duplicate OSPF router IDs
C. Mismatched dead timers
D. IP addr esses of 10.1.1.1/24 and 10.2.2.2/24
E. Mismatched OSPF process IDs
第2题
A. ip ospf authentication null
B. ip ospf authentication message - digest
C. ip ospf authentication -key whatever- it - is
D. ip ospf message - digest - key 1 md5 whatever - it - is
E. ip ospf md5 1 key whatever - it - is
第3题
A.BPDUport-guardcanbeenabledglobally,whereasBPDUfilteringmustbeenabledonaper-interfacebasis.
B.Whengloballyenabled,BPDUport-guardandBPDUfilteringapplyonlytoPortFastenabledports.
C.Whengloballyenabled,BPDUport-guardandBPDUfilteringapplyonlytotrunking-enabledports.
D.WhenaBPDUisreceivedonaBPDUport-guardenabledport,theinterfacegoesintotheerr-disabledstate.
E.WhenaBPDUisreceivedonaBPDUfilteringenabledport,theinterfacegoesintotheerr-disabledstate.
F.WhenaBPDUisreceivedonaBPDUfilteringenabledport,theinterfacegoesintotheSTPblockingstate.
第4题
A.TherootportonswitchSW_Awillautomaticallytransitiontofull-duplexmode.
B.TherootportonswitchSW_Bwillfallbacktofull-duplexmode.
C.TheinterfacesbetweenswitchesSW_AandSW_Bwilltransitiontoablockingstate.
D.InterfaceFa0/6onswitchSW_Bwilltransitiontoaforwardingstateandcreateabridgingloop.
第5题
A. The show ip ospf neighbor command on R1 lists the revised Hello timer
B. The show ip ospf interfac e brief command on R1 lists the revised Hello timer
C. The R1 - R2 neighborship fails due to Hello timer mismatcH
D. The show ip ospf interface command on R1 lists the revised Hello timer
第6题
A.monSpanningTreemaintainsaseparatespanning-treeinstanceforeachVLANconfiguredinthenetwork.
B.TheSpanningTreeProtocol(STP)isanevolutionoftheIEEE802.1wstandard.
C.Per-VLANSpanningTree(PVST)supports802.1Qtrunking.
D.Per-VLANSpanningTreePlus(PVST+)isanenhancementto802.1QspecificationandissupportedonlyonCiscodevices.
E.RapidSpanningTreeProtocol(RSTP)includesfeaturesequivalenttoCiscoPortFast,UplinkFast,andBackboneFastforfasternetworkreconvergence.
F.MultipleSpanningTree(MST)assumesonespanning-treeinstancefortheentireLayer2network,regardlessofthemultiplenumberofVLANs
第7题
A. The show ip ospf neighbors command lists two neighbors off Fa0/0.
B. The show ip ospf neighbors command lists four neighbors off Fa0/0.
C. The show ip ospf neighbors command lists two neighbors off Fa0/0 in the FULL state.
D. The show ip ospf neighbors command lists two neighbors off Fa0/0 in the DISCO state.
第8题
A.todisplayrewrittenIPunicastpackets
B.todisplayARPresolutionpackets
C.todisplayARPthrottling
D.todisplayTCAMmatches
E.todisplayCEF-basedMLSlookups
F.todisplayentriesintheForwardingInformationBase(FIB)
第9题
A. show ip ospf database
B. show ip ospf interface brief
C. show ip protocols
D. show ip route ospf
E. show ip ospf neighbors
第10题
A.TheportonswitchCAT1isforwardingandsendingBPDUscorrectly.
B.TheportonswitchCAT1isblockingandsendingBPDUscorrectly.
C.TheportonswitchCAT2isforwardingandreceivingBPDUscorrectly.
D.TheportonswitchCAT2isblockingandsendingBPDUscorrectly.
E.TheportonswitchCAT3isforwardingandreceivingBPDUscorrectly.
F.TheportonswitchCAT3isforwarding,sending,andreceivingBPDUscorrectly.
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