When an MPLS Layer 2 VPN runs in the hub-and-spoke model, where is QoS implemented?()A、hub and spokeB、PEC、CED、hubE、spoke
When an MPLS Layer 2 VPN runs in the hub-and-spoke model, where is QoS implemented?()
- A、hub and spoke
- B、PE
- C、CE
- D、hub
- E、spoke
相关考题:
What is the term "ordered control" mean regarding how MPLS LSPs are established?() A. establish starting at the egress router going back to the ingress routerB. establish starting at the ingress router going downstream to the egress routerC. establish when a router learns of a new prefixD. establish when the path correctly matches the reverse path forwarding check
Which three of the following steps are mandatory when configuring MPLS on Cisco IOS? ()(Choose three.) A. start LDPB. enable CEF switchingC. configure the MPLS IDD. disable IP TTL propagationE. configure conditional label advertisingF. enable label switching on frame mode interfaces
Why is it appropriate to use conditional label advertising when deploying MPLS? () A. to make CEF tables smallerB. to enable label switching on the frame mode interfaceC. to restrict MPLS availability to predefined time periodsD. to restrict label switching to a limited number of networksE. to restrict end users from seeing the routers in the MPLS network
Why is it appropriate to use conditional label advertising when deploying MPLS? ()A、to make CEF tables smallerB、to enable label switching on the frame mode interfaceC、to restrict MPLS availability to predefined time periodsD、to restrict label switching to a limited number of networksE、to restrict end users from seeing the routers in the MPLS network
Which technology is an example of the need for a designer to clearly define features and designedperformance when designing advanced WAN services with a service provider?()A、 FHRP to remote branches.B、 Layer 3 MPLS VPNs routing.C、 Control protocols (for example Spanning Tree Protocol) for a Layer 3 MPLS service.D、 Intrusion prevention, QoS, and stateful firewall support network wide.
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
Using more than one label on a single packet is required in what context?()A、MPLS TEB、MPLS VPNC、When CEF switching and Label switching is doneD、In all the above circumstances
Which three of these are major components of an MPLS VPN network? ()A、LDP notificationB、L2TPv3 sessionC、VPN route target communitiesD、Multiprotocol BGP peering of PE routersE、MPLS forwarding
What does the OSPF command capability vrf-lite achieve?()A、It enables provider edge (PE) specific checks on a router when the OSPF process is associated with the VRFB、It disables provider edge (PE) specific checks on a router when the OSPF process is associated with the VRFC、It enables the exchange of the "VRF-Lite" capability when the OSPF adjacency is formed.D、It disables the MPLS processing on the OSPF learned routes inside the VRF
iMC MVM为业界少数全面支持多种MPLS技术管理的解决方案,可以同事支持()。A、MPLS L2 VPN-VPLSB、MPLS L2 VPN-MartiniC、MPLS TED、MPLS L3 VPN-BGP
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
Which three of the following steps are mandatory when configuring MPLS on Cisco IOS? ()(Choose three.)A、start LDPB、enable CEF switchingC、configure the MPLS IDD、disable IP TTL propagationE、configure conditional label advertisingF、enable label switching on frame mode interfaces
In Any Transport over MPLS (AtoM) Control word is an optional 4-byte field used in the pseudowire packet.The control word carries generic and Layer 2 payload-specific information to emulate L2 packets correctly.In pseudowire packet, where is this Control Word inserted?()A、Inserted between the MPLS label stack and the Layer 3 payloadB、Inserted between the MPLS label stack and the Layer 3 HeaderC、Inserted between the MPLS label stack and the Layer 2 payloadD、Inserted between the MPLS label stack and the Layer 2 header
Multi Protocol Label Switching (MPLS) is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label, if the stack bit is set to1, which option is true?()A、The stack bit will only be used when LDP is the label distribution protocolB、The label is the last entry in the label stack.C、The stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.D、The stack bit is reserved for future use.
When configured. MPLS can increase routing redundancy by providing which of the following network topology types?()A、BusB、MeshC、MultipathD、Ring
单选题What is the term "ordered control" mean regarding how MPLS LSPs are established?()Aestablish starting at the egress router going back to the ingress routerBestablish starting at the ingress router going downstream to the egress routerCestablish when a router learns of a new prefixDestablish when the path correctly matches the reverse path forwarding check
单选题Why is it appropriate to use conditional label advertising when deploying MPLS?()Ato make CEF tables smallerBto enable label switching on the frame mode interfaceCto restrict MPLS availability to predefined time periodsDto restrict label switching to a limited number of networksEto restrict end users from seeing the routers in the MPLS network
单选题What does the OSPF command capability vrf-lite achieve?()AIt enables provider edge (PE) specific checks on a router when the OSPF process is associated with the VRFBIt disables provider edge (PE) specific checks on a router when the OSPF process is associated with the VRFCIt enables the exchange of the VRF-Lite capability when the OSPF adjacency is formed.DIt disables the MPLS processing on the OSPF learned routes inside the VRF
单选题Which technology is an example of the need for a designer to clearly define features and designedperformance when designing advanced WAN services with a service provider?()A FHRP to remote branches.B Layer 3 MPLS VPNs routing.C Control protocols (for example Spanning Tree Protocol) for a Layer 3 MPLS service.D Intrusion prevention, QoS, and stateful firewall support network wide.
单选题In the context of MPLS,what is the correct action to be performed when an aggregate label is received ?()AIt adds the VPN label into the top label in the MPLS label stackBIt replaces the top label in the MPLS label stack with a VPN label and propagatesCIt replaces the bottom label in the MPLS label stack with a VPN label and propagatesDIt removes the top label in the MPLS label stack and does a Layer 3 lookup on underlying IP packetsENone of above
多选题Which three of the following steps are mandatory when configuring MPLS on Cisco IOS?()(Choose three.)Astart LDPBenable CEF switchingCconfigure the MPLS IDDdisable IP TTL propagationEconfigure conditional label advertisingFenable label switching on frame mode interfaces
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
单选题Multi Protocol Label Switching (MPLS) is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label, if the stack bit is set to1, which option is true?()AThe stack bit will only be used when LDP is the label distribution protocolBThe label is the last entry in the label stack.CThe stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.DThe stack bit is reserved for future use.