单项选择题

Which of the following is not a typical maintenance task within a network maintenance model？（）

A.Providing technical customer support
B.Changing configurations
C.Updating software
D.Monitoring network performance
E.Replacing hardware
F.Scheduling backups

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热门试题

单项选择题

Whichofthefollowingcorrectlyfillsinthemissingwordsofthissentence：AnARPrequestusesaaddress，whereasanARPreplyusesaaddress.（）

A.broadcast， multicast
B.unicast， broadcast
C.broadcast， unicast
D.multicast， unicast
E.broadcast， broadcast
F.unicast， multicast

单项选择题

WhichofthefollowingeventswouldnotexplainexcessiveCPUutilization？（）

A.A large number of BGP sessions
B.A large BGP table
C.A router is configured with the following command： ip route 0.0.0.0 0.0.0.0 fa 0/1
D.All interface buffers are continually in use
E.A flapping interface
F.The router sends a large number of ARP requests