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单选题
What is the encapsulation format of an MPLS Multicast VPN （MVPN） packer？（）
A
IP unicast in IP unicast
B
IP multicast in IP anycast
C
IP anycast in IP anycast
D
IP multicast in IP unicast
E
IP multicast in IP multicast
F
IP unicast in IP multicast
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MPLS VPN如何解决VPN客户的重叠地址的（）。A、使用IP包过滤技术，使得不同的MPLS VPN客户有不同隧道连接B、不同的MPLS VPN客户通过不同的PE路由器连接到营运商网络C、MPLS VPN客户不能使用重叠的地址D、每个VPN客户使用独立的路由表
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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.
考题
There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence （from outer to inner） for the VPN traffic on this router？（）A、TE label， IGP label， VPN labelB、IGP label， TE label， VPN labelC、TE label， VPN label， IGP labelD、VPN label， IGP label， TE labelE、IGP label， VPN label， TE label
考题
In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）A、It adds the VPN label into the top label in the MPLS label stackB、It replaces the top label in the MPLS label stack with a VPN label and propagatesC、It replaces the bottom label in the MPLS label stack with a VPN label and propagatesD、It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packetsE、None of above
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对于iMC MPLS VPN管理，说法正确的是（）A、MPLS VPN管理实现了MPLS VPN业务端到端的规划、部署、监视、审计B、MPLS VPN管理支持Cisco、H3C、Huawei厂家主流设备C、MPLS VPN管理支持与基础网络管理功能的无缝集成D、MPLS VPN管理仅能支持H3C网络设备
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考题
When configuring Multicast VPN （MVPN） over an MPLS core， both the Default and Data MDT isconfigured under which configuration mode？（）A、router（config）#B、router（config-if）#C、router（config-vrf）#D、router（config-router）#E、router（config-router-af）#
考题
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 multicastperformanceB、 IP multicast is not supported over Lover 3 MPLS VPN； instead a Layer 2 MPLS WN must beutilized with service provider supportC、 QoS requirements with MPLS-VPN must be implemented by the service providerD、 Hierarchical VPLS designs are the least scalableE、 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
考题
As a frame leaves a Layer 3 device, the Layer 2 encapsulation information is changed from what it was when it entered the devicE.For what two reasons can this happen? （）A、The data is moving from 10BASE-TX to 100BASE-TX.B、The WAN encapsulation type has changed.C、The data format has changed from analog to digital.D、The source and destination hosts are in the same subnet.E、The source and destination MAC addresses have changed.
考题
What is the encapsulation mode for MPLS running on Ethernet？（）A、Packet modeB、Frame modeC、Transparent modeD、Channel modeE、Tunnel mode
考题
What is the encapsulation format of an MPLS Multicast VPN （MVPN） packer？（）A、IP unicast in IP unicastB、IP multicast in IP anycastC、IP anycast in IP anycastD、IP multicast in IP unicastE、IP multicast in IP multicastF、IP unicast in IP multicast
考题
What is the primary purpose of VPLS?（）A、to create a partial mesh of VPN sitesB、to remove MPLS from VPNsC、to create a point to multipoint topologyD、to enable IPsec accross the VPN
考题
单选题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.
考题
单选题There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence （from outer to inner） for the VPN traffic on this router？（）A
TE label， IGP label， VPN labelB
IGP label， TE label， VPN labelC
TE label， VPN label， IGP labelD
VPN label， IGP label， TE labelE
IGP label， VPN label， TE label
考题
单选题When configuring Multicast VPN （MVPN） over an MPLS core， both the Default and Data MDT isconfigured under which configuration mode？（）A
router（config）#B
router（config-if）#C
router（config-vrf）#D
router（config-router）#E
router（config-router-af）#
考题
单选题What is the primary purpose of VPLS?（）A
to create a partial mesh of VPN sitesB
to remove MPLS from VPNsC
to create a point to multipoint topologyD
to enable IPsec accross the VPN
考题
单选题What is the encapsulation format of an MPLS Multicast VPN （MVPN） packer？（）A
IP unicast in IP unicastB
IP multicast in IP anycastC
IP anycast in IP anycastD
IP multicast in IP unicastE
IP multicast in IP multicastF
IP unicast in IP multicast
考题
单选题What is the encapsulation mode for MPLS running on Ethernet？（）A
Packet modeB
Frame modeC
Transparent modeD
Channel modeE
Tunnel mode
考题
多选题In Multicast VPN （MVPN） implementations， which two of the following statements are regarding the DefaultMDT Group？（）AIt is used for PIM control trafficBIt is optionally configured for a high bandwidth multicast source to reduce multicast traffic replication to uninterested PE routersCWithin the VPF configuration in the PE router， multiple Default MDT groups are configured so each VPF can support multiple multicast sourcesDThere is a reduced multicast state in the MPLS core P routersEWhen multicast traffic exceeds a certain configured threshold， traffic from the Data MDT is switched to the Default MDT to conserve bandwidth
考题
单选题In the context of MPLS，what is the correct action to be performed when an aggregate label is received ？（）A
It adds the VPN label into the top label in the MPLS label stackB
It replaces the top label in the MPLS label stack with a VPN label and propagatesC
It replaces the bottom label in the MPLS label stack with a VPN label and propagatesD
It removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packetsE
None of above
考题
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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