单项选择题

A new router is added to an existing HSRP standby group. One of the existing routers is in anactive state， the other is in a standby state. Under what circumstance will the new router becomethe active router？（）

A.The new router will become active immediately because it’s the newest router introduced intothe group
B.The new router can become active only when the existing active router and the existing standbyrouter become unavailable
C.The new router has a lower priority value
D.The new router will never become active unless the existing active router becomes unavailable
E.The new router has preempt configured and a higher priority
F.The new router has a higher priority value

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热门试题

单项选择题Howlongwillaportremaininthelisteningstatebydefault？（）

A.Depends on the number of switches in the spanning tree domain
B.50 seconds
C.15 seconds
D.Until the root directs it to start forwarding
E.20 seconds
F.Depends on the pott speed

多项选择题WhichofthefollowingcommandscanbeusedtogatherinformationabouttheAS-PATHofaBGProute？（Chooseallthatapply.）（）

A.show ip bgp neighbors
B.debug ip bgp updates
C.show ip route bgp
D.show ip bgp
E.show ip bgp summary
F.sh ip bgp database

单项选择题Whichofthefollowingisanaccuratedescriptionofthecommandcopystartup-configftp： kevin：cisco@192.168.1.74？（）

A.The configuration on the FTP server is copied to RAM
B.The command is not valid on a Cisco router
C.The configuration file in RAM is copied to an FTP server
D.The configuration file in NVRAM is copied to an FTP server
E.The configuration on the FTP server is copied to NVRAM
F.The configuration will be copied from NVRAM to an FTP server with a filename of Kevin

单项选择题GiventhemulticastIPaddressof224.193.5.10，whatwouldthecorrespondingmulticastMACaddressbe？（）

A.00-00-0c-c0-05-0a
B.00-00-0c-cl-05-0a
C.01-00-5e-00-00-0c
D.01-00-5e-41-05-0a
E.00-00-0c-01-00-5e
F.01-00-5e-cl-05-0a

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

A.Memory requirements are higher for shared distribution tree than for source distribution tree
B.Creates a tree from a central RP to all last-hop routers
C.Uses a rendezvous point
D.An optimal path is created between each source router and each last-hop router
E.Place （S，G） entry in each router’s multicast routing table
F.Place （*，G） entry in a router’s multicast routing to table