WhatIOScommandsdisplayMPLSlabelmappingonanLSR？（）
A. Showmplsforwading-table
B. Showmplsldpbindings
C. Showmplsldpneighbordetail
D. Showmplsldpparameters
E. Showmplsldpdiscovery
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WhenshouldtrafficshapingbeimplementedonFrameRelayPVCs？（）
A. WhenyouwanttodropexcesstrafficabovetheCIR
B. Whenthereisaspeedmismatchbetweenthecentralsiteandtheremotesite
C. WhenusingFrameRelaySVCs
D. Whenover-subscribingthecentralsitelink
E. WhenLLQisimplementedontheFrameRelayPVC
F. WhenMultilinkPPPLFIisimplementedontheFrameRelayPVC
WhichfouroftheseareMPLSlabelheaderfields？（）
A. Label
B. VPIVCI
C. EXP
D. TTL
E. FCS
F. Sflag
Allsecuredomainrouters（SDRs）havesharedattributesandresources.WhichthreeresourcesaresharedamongallSDRs？（）
A. SNMPtraps
B. fabriccards
C. exec-levelconfiguration
D. privilege-levelconfiguration
E. admin-levelconfiguration
WhatistheorderofpreferenceforthesecommandswhenallofthemareappliedtooneneighborintheBGPinboundfilterdirection？（）
A. prefix-list，route-map，filter-list，distributelist
B. route-map，filter-list，prefix-list，distribute-list
C. route-map，distribute-list，prefix-list，filter-list
D. filter-list，prefixlist，route-map，distributelist
E. distributelist，prefix-list，route-map，fitterlist
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