多选题Option 10C is an implementation of Inter-AS MPLS VPN. Which two statements about Option 10C aretrue？（）AGreat scalability is offeredBRoute Target Rewrite must be configured on ASBRsCMultihop EBGP is utilized between route reflectorsDMultihop EBGP is utilized between ASBRsEThe ASBRs hold VPNv4 routes
多选题
Option 10C is an implementation of Inter-AS MPLS VPN. Which two statements about Option 10C aretrue？（）
A
Great scalability is offered
B
Route Target Rewrite must be configured on ASBRs
C
Multihop EBGP is utilized between route reflectors
D
Multihop EBGP is utilized between ASBRs
E
The ASBRs hold VPNv4 routes
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Which CLI command is used to enable MPLS Fast Reroute on a ingress router?() A. mpls fast rerouteB. mpls fast-rerouteC. enable mpls fast-rerouteD. tunnel mpls fast-reroute
What best describes the usage of Route-Target rewrite？（）A、Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the PErouter in originating AS ASBR to avoid misconfiguration in Route-Target assignment for VPN configurations.B、Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the route-Reflector in originating AS ASBR to avoid misconfiguration in Route-Target assignment for VPN configurations.C、Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the ASBR to avoid misconfiguration in Route-Target assignment for VPN configurations.D、None of the above.
Which option describes the incorrect usage of the Label Distribution method？（）A、LDP is primarily used in internal networks of MPLS-VPN providers.B、MP-BGP is used for label distribution for VPN customer routes.C、Directed LDP is used for label distribution in L2-VPN Attachement Circuits.D、MP-BGP is used for label distribution in MPLS Traffic Engineered networks.
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单选题Which statement about the use of Route Target Rewrite is true？（）AIt is mainly used in Intra-AS MPLS VPLS deployments and is configured at the ASBR to avoid misconfiguration of the Route Target assignment for VPN configurationsBIt is mainly used in Inter-AS MPLS VPN deployments and is configured at the ASBR to avoid misconfiguration of the Route Target assignment for VPN configurationsCIt is mainly used in Intra-AS MPLS VPLS deployments and is configured at the Router Reflectorto avoid misconfiguration in Route Target assignment for VPN configurationsDIt is mainly used in Inter-AS MPLS VPLS deployments and is configured at the Router Reflectorto avoid misconfiguration of the Route Target assignment for VPN configurationsEIt is mainly used in Inter-AS MPLS VPLS deployments and is configured at the PE router to avoid to misconfiguration of the Route Target assignment for VPN configurations
单选题Which is the MOST important consideration before making a change to a server？（）AExplore the ramification of the change before implementation.BDetermine the service level agreement in place before implementation.CReview the equipment disposal procedures and policies before implementation.DNotify all staff members of the planned system outage before implementation.
多选题Which four services use the inner labels of an MPLS label stack？ （）AMPLS VPNBswitching path in MPLS coreCCisco MPLS Traffic Engineering and Fast RerouteDMPLS over ATMEVPN over Traffic Engineering coreFany transport over MPLS
多选题Option 10A （back-to-back VRF） is an implementation of inter-AS MPLS VPN. Which of four statementsabout option 10A are not true？（）AMPLS is required between the ASBRs.BASBR must hold all routing information.CIt is a scalable solution.DIt is a simple solution.EMP-EBGP is used to exchange routes between ASBRs.
多选题Which two restrictions must the Enterprise Campus network designer consider when evaluatingWAN connectivity options？ （）AOSPF over multicast EMS or VPLS network may not have consistent broadcast or multicastperformanceBIP multicast is not supported over Lover 3 MPLS VPN； instead a Layer 2 MPLS WN must beutilized with service provider supportCQoS requirements with MPLS-VPN must be implemented by the service providerDHierarchical VPLS designs are the least scalableEIGMP snooping is not on option with VPLS or EMS； instead administrative scoping or allowingsufficient bandwidth for unnecessary multicast traffic at the edge links is required
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