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 uti

第1题：

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.

第2题：

Which CLI command is used to enable MPLS Fast Reroute on a ingress router?（）

• A、mpls fast reroute
• B、mpls fast-reroute
• C、enable mpls fast-reroute
• D、tunnel mpls fast-reroute

第3题：

第4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

第5题：

Which two Cisco Unified Communications service components focus only on software implementation（）

• A、Messaging Implementation
• B、Rich Media Implementation
• C、Personal Assistant Implementation
• D、Auto Attendant Implementation
• E、Call Control Implementation

第6题：

Option 10A （back-to-back VRF） is an implementation of inter-AS MPLS VPN. Which of four statementsabout option 10A are not true？（）

• A、MPLS is required between the ASBRs.
• B、ASBR must hold all routing information.
• C、It is a scalable solution.
• D、It is a simple solution.
• E、MP-EBGP is used to exchange routes between ASBRs.

第7题：

Which three functions can CCC be used for？（）

• A、To interconnect VLANS
• B、To interconnect ATM VCs
• C、To interconnect MPLS LSPs
• D、To interconnect MPLS VPNs

第8题：

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.

第9题：

Which two restrictions must the Enterprise Campus network designer consider when evaluatingWAN connectivity options？ （）

• A、 OSPF over multicast EMS or VPLS network may not have consistent broadcast or multicastperformance
• B、 IP multicast is not supported over Lover 3 MPLS VPN； instead a Layer 2 MPLS WN must beutilized with service provider support
• C、 QoS requirements with MPLS-VPN must be implemented by the service provider
• D、 Hierarchical VPLS designs are the least scalable
• E、 IGMP 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

第10题：

Which four services use the inner labels of an MPLS label stack？ （）

• A、MPLS VPN
• B、switching path in MPLS core
• C、Cisco MPLS Traffic Engineering and Fast Reroute
• D、MPLS over ATM
• E、VPN over Traffic Engineering core
• F、any transport over MPLS