单项选择题

LogmessagesareappearingveryquicklyontheconsoleofyourERX……

Log messages are appearing very quickly on the console of your ERX Edge Router. Which Privileged Exec command disables real-time console logging？（）

A. no log here
B. no log console
C. destination console severity 7
D. destination console logging off

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热门试题

单项选择题WhichcommanddisplaystheresultsofaloopbacktestyouexecutedonaCT3linemoduleinslot5，port0，t1number4？（）

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

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