多项选择题
Which three IS-IS TLVs are used to support MPLS traffic engineering？ （）
A.extended TLV 22
B.extended TLV 23
C.extended TLV 134
D.extended TLV 135
E.extended TLV 136
F.extended TLV 138
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相关考题
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多项选择题
WhichfouroftheseareMPLSlabelheaderfields？（）
A.Label
B.VPI VCI
C.EXP
D.TTL
E.FCS
F.S flag -
多项选择题
Allsecuredomainrouters（SDRs）havesharedattributesandresources.WhichthreeresourcesaresharedamongallSDRs？（）
A.SNMP traps
B.fabric cards
C.exec-level configuration
D.privilege-level configuration
E.admin-level configuration -
单项选择题
Inopticalchanneltransportunitoverhead（OTUOH），whataregeneralcommunicationchannels1and2（GCC1/GCC2）usedfor？（）
A.for trail trace identification
B.as the backward defect indicator
C.to transmit information between OTU termination points
D.to extend command and management functions over several frames
E.General communication channels 1 and 2 （GCC1/GCC2） do not belong to OTU OH
