多项选择题

A.CEF switching is disabled on the switchB.The source d……

Which of the following is an unlikely reason for the ARP process to fail？（）

A.CEF switching is disabled on the switch
B.The source device and destination device are in different VLANs
C.The VLAN is excluded from the trunk
D.The host is connected to the switch through an IP phone
E.A faulty cable from host to switch or between switches
F.The trunking encapsulation type is inconsistent on the two ends of the link

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热门试题

多项选择题Whichofthefollowingarevalidmodesofpacketswitchingonmostrouters？（Chooseallthatapply.）（）

A.Cisco Express Fonvarding
B.FIB switching
C.Cache switching
D.Optimized switching
E.Process switching
F.Fast switching

单项选择题Whichofthefollowingmanagementtypescanbeusedtodeployappropriatequality-of-servicesolutionstomakethemostefficientuseofbandwidth？（）

A.Fault management
B.Accounting management
C.Operations management
D.Performance management
E.Security management
F.Configuration management

单项选择题Whichofthefollowingcommandsprovidesdataplaneinformationrequiredtoforwardapackettoaspecificipaddress？（）

A.sh ip route
B.sh ip cef 〈ip_address〉
C.sh adjacency 〈ip_address〉
D.sh ip route 〈ip_addres$〉
E.sh ip adjacency 〈/p_address〉
F.sh ip cef 〈mac_addrQss〉〈ip_address〉

多项选择题WhichofthefollowingcharacteristicsdescribetheRootGuardfeature？（Chooseallthatapply.）（）

A.The port must be put into forwarding state manually after root-inconsistent state has beencorrected
B.A Root Guard port receiving superior BPDU goes into a root-inconsistent state
C.A Root Guard port receiving inferior BPDU goes into a root-inconsistent state
D.While the port is in a root-inconsistent state no user data is sent across that port
E.The port returns to a forwarding state if inferior BPDUs stop
F.It should be applied to all switch ports

多项选择题Whichofthefollowingwouldprovidegoodbaselinedocumentationtohaveonhandwhenanalyzingpotentialproblems？（Chooseallthatapply.）（）

A.User authentication ID and password
B.User profile
C.Output of debug
D.Output of show interface
E.Result of ping
F.Output of show process cpu