多项选择题
Which two of these are characteristics of MPLS VPNs？ （）
A. Layer 3 MPLS VPNs can forward only IP packets
B. Layer 2 MPLS VPNs can forward any network protocol
C. MPL S label paths are automatically formed based on Layer 2 frames
D. Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames
E. In Layer 2 MPLS VPNS， the service provider controls the customer Layer 3 policies
相关考题
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单项选择题
Whichvirtualizationtechnologyallowsmultiplephysicaldevicestobecombinedintoasinglelogicaldevice？（）
A. device visualization
B. device clustering
C. server visualization
D. network visualization -
多项选择题
WhendesigningtheIProutingfortheEnterpriseCampusnetwork，whichofthesefollowingtwoiBGBconsiderationsshouldbetakenintoaccount？（）
A. iBGB dual horning with different iSPs puts the Enterprise at the risk of becoming a transitnetwork
B. iBGP requires a full mesh of eBGP peers
C. Routers will not advertise iBGP learned routers to other iBGP peers.
D. The use of route reflections or Confederation eliminate any full mesh requirement while helpingto scale iBGP
E. iGBP peers do not add any information to the AS path -
单项选择题
WhichofthesetechnologiesischaracterizedasbeingamultipointLayer2VPNthatconnectstwoormorecustomerdevicesusingEthernetbridgingtechniques？（）
A. DPT
B. MPLS
C. VPLS
D. CWDM
E. DWDM
F. SONET/SDH
