单项选择题
panning Tree Protocol calculates path cost based on which of these？（）
A.interface bandwidth
B.interface delay
C.interface bandwidth and delay
D.hop count
E.bridge priority
相关考题
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单项选择题
Anexpandingcompanyisdeployingleasedlinesbetweenitsmainsiteandtworemotesites.Thebandwidthoftheleasedlinesis128kb/seach，terminatedondifferentserialinterfacesonthemainrouter.TheselinksareusedforcombinedVOIPanddatatraffic.ThenetworkadministratorhasimplementedaVOIPsolutiontoreducecosts，andhasthereforereservedsufficientbandwidthinalowlatencyqueueoneachinterfacefortheVOIPtraffic.Usersnowcomplainaboutbadvoicequalityalthoughnodropsareobservedinthelowlatencyqueue.Whatactionwilllikelyfixthisproblem？（）
A.mark VOIP traffic with IP precedence 6 and configure only ’fair-queue’ on the links
B.configure the scheduler allocate 3000 1000 command to allow the QoS code to have enough CPU cycles
C.enable class-based traffic shaping on the VoIP traffic class
D.enable Layer 2 fragmentation and interleaving on the links
E.enable Frame Relay on the links and send voice and data on different Frame Relay PVCs -
多项选择题
WhichtwooftheseareusedintheselectionofarootbridgeinanetworkutilizingSpanningTreeProtocolIEEE802.1D？（）
A.Designated Root Cost
B.bridge ID priority
C.max age
D.bridge ID MAC address
E.Designated Root Priority
F.forward delay -
单项选择题
Totroubleshootnetworkissuesmoreaccurately，millisecondsshouldbeincludedinthesyslogoftherouter.Whichcommandwillachievethis？（）
A.service timestamps log datetimec msec
B.logging timestamps msec
C.syslog timestamps hour minute second miliseconds
D.service logging timestamp msec
E.logging service timestamp msec
