单项选择题

Whichcommanddisplaystheresultsofaloopbacktestyouexecute……

Which command displays the results of a loopback test you executed on a CT3 line module in slot 5，port 0，t1 number 4？（）

A. show interface 5/0：4
B. show interface 5/0：4/1
C. show controllers t3 5/0：4
D. show controllers t3 5/0：4/1

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热门试题

单项选择题WhatisthepurposeoftheOSPFhellopacket？（）

A. advertises reachable networks
B. acknowledges the receipt of update packets
C. establishes and maintains neighbor relationships
D. describes the contents of the link-state database

多项选择题WhatarethethreeOSPFauthenticationmethodssupportedontheERXEdgeRouter？（）

A. null password
B. simple password
C. message digest 5
D. Password Authentication Protocol
E. Challenge Handshake Authentication Protocol

单项选择题WhenconfiguringOSPFontheERX，whatisthedefaultauto-costreference-bandwidthvalue？（）

A. 1 Mbps
B. 10 Mbps
C. 100 Mbps
D. 1000 Mbps

单项选择题Whywouldyoumakeanon-backboneareaastubornot-so-stubbyarea？（）

A. to aggregate routes learned from the ABR
B. to lower the cost of routes advertised by the ABR
C. to connect a non-contiguous area to the backbone
D. to decrease the size of the link-state database in that area

单项选择题DuringOSPFadjacencyformation，whatstateisarouterinwhenitissendingLSAheaderinformationtoitsneighbor？（）

A. Init
B. 2Way
C. ExStart
D. Exchange