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多选题
Which two statements about MPLS Label Distribution Protocol （LDP） are true？ （）
A
LDP hello packets are sent to TCP 646.
B
LDP session packets are sent to TCP 646.
C
LDP session packets are sent to TCP 711.
D
LDP hello packets are sent to TCP 711.
E
LDP hello packets are sent to UDP 711.
F
LDP hello packets are sent to UDP 646.
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更多 “多选题Which two statements about MPLS Label Distribution Protocol （LDP） are true？ （）ALDP hello packets are sent to TCP 646.BLDP session packets are sent to TCP 646.CLDP session packets are sent to TCP 711.DLDP hello packets are sent to TCP 711.ELDP hello packets are sent to UDP 711.FLDP hello packets are sent to UDP 646.” 相关考题
考题
在MPLS中,LDP的具体解释()。
A.Label Data PairB.Label Distribution PairC.Label Distribution ProtocolD.Label Data Protocol
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Which two statements are true about AH?() (Choose two.)
A. AH provides data integrity.B. AH is identified by IP protocol 50.C. AH is identified by IP protocol 51.D. AH cannot work in conjunction with ESP
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Which two statements are tru e about the rendezvous point (RP) in a multicast network?()
A. The multicast sources must register with the RP to form the multicast distribution treeB. An RP is required only in networks running Protocol Independent Multicast dense mode ( PIM DM)C. The multicast receivers must register with the RP to form the multicast distribution treeD. An RP is required only in networks running Protocol Independent Multicast sparse mode (PIM SM)E. An RP is required only in networks running Pro tocol Independent Multicast sparse - dense mode (PIM - SDM)F. To form the multicast distribution tree, the multicast sources register with and the receivers join the RP
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Which two of these are characteristics of MPLS VPNs?()
A. Layer 3 MPLS VPNs can forward only IP packetsB. Layer 2 MPLS VPNs can forward any network protocolC. MPLS label paths are automatically formed based on Layer 2 framesD. Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 framesE. In Layer 2 MPLS VPNS, the service provider controls the customer Layer 3 policies
考题
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.
考题
Which of the following is true regarding Label Distribution Protocol （LDP）？（）A、It is a label distribution protocol for MPLSB、It is a set of procedures and messages by which LSRs establish Label Switch Paths （LSPs） through a networkC、Tag distribution Protocol （TDP） was the basis for LDPD、All of the above are true
考题
Which two statements are tru e about the rendezvous point (RP) in a multicast network?（）A、The multicast sources must register with the RP to form the multicast distribution treeB、An RP is required only in networks running Protocol Independent Multicast dense mode ( PIM DM)C、The multicast receivers must register with the RP to form the multicast distribution treeD、An RP is required only in networks running Protocol Independent Multicast sparse mode (PIM SM)E、An RP is required only in networks running Pro tocol Independent Multicast sparse - dense mode (PIM - SDM)F、To form the multicast distribution tree, the multicast sources register with and the receivers join the RP
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在MPLS中，LDP的具体解释（）。A、Label Data PairB、Label Distribution PairC、Label Distribution ProtocolD、Label Data Protocol
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Which two of these are characteristics of MPLS VPNs？ （）A、 Layer 3 MPLS VPNs can forward only IP packetsB、 Layer 2 MPLS VPNs can forward any network protocolC、 MPL S label paths are automatically formed based on Layer 2 framesD、 Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 framesE、 In Layer 2 MPLS VPNS， the service provider controls the customer Layer 3 policies
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Which two routing protocols support MPLS traffic engineering link information distribution？ （）A、OSPFB、BGPC、RIP version 2D、IS-ISE、EIGRP
考题
Which statements about MPLS Label Distribution Protocol（LDP） are valid？（）A、LDP hello packets are sent to UDP port 646B、LDP hello packets are sent to TCP port 711C、LDP sessions are TCP sessions to port 646D、LDP sessions are TCP sessions to port 711E、LDP establishes a peer relationship with another router that must be directly attachedF、LDP can establishes a peer relationship with another router that is not directly attached
考题
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？（）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.
考题
Which three things are the building blocks of the Cisco VPLS architecture？（）A、VLAN Trunk Protocol （VTP）B、State Synchronization Protocol （SSP）C、L2VPND、Ethernet Virtual Switch Interface （VSI）E、Label Distribution Protocol （LDP）
考题
Which two statements about MPLS Label Distribution Protocol （LDP） are true？ （）A、LDP hello packets are sent to TCP 646.B、LDP session packets are sent to TCP 646.C、LDP session packets are sent to TCP 711.D、LDP hello packets are sent to TCP 711.E、LDP hello packets are sent to UDP 711.F、LDP hello packets are sent to UDP 646.
考题
Which two of these are characteristics of MPLS VPNs?（）A、Layer 3 MPLS VPNs can forward only IP packetsB、Layer 2 MPLS VPNs can forward any network protocolC、MPLS label paths are automatically formed based on Layer 2 framesD、Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 framesE、In Layer 2 MPLS VPNS, the service provider controls the customer Layer 3 policies
考题
Which two statements are true about the rendezvo us point (RP) in a multicast network?（）A、The multicast sources must register with the RP to form the multicast distribution tree.B、An RP is required only in networks running Protocol Independent Multicast dense mode (PIM DM).C、The mu lticast receivers must register with the RP to form the multicast distribution tree.D、An RP is required only in networks running Protocol Independent Multicast sparse mode (PIM SM).E、An RP is required only in networks running Protocol Independent Mu lticast sparse - dense mode (PIM - SDM).F、To form the multicast distribution tree, the multicast sources register with and the receivers join the RP.
考题
What are two purposes of the RSVP signaling protocol when configuring MPLS Label-Switched Paths (LSPs)? （）(Choose two.)A、to perform a label push operationB、to track the status of signaled LSPsC、to perform longest-match route lookupsD、to reserve resources, such as labels and path information
考题
Which two statements are true about the forwarding table?（）A、The forwarding table lists each source protocol and preference for each destinationB、The forwarding table constains only active routesC、The forwarding table is used to process transit packetsD、The forwarding table is stored in compact flash
考题
多选题Which statements about MPLS Label Distribution Protocol（LDP） are valid？（）ALDP hello packets are sent to UDP port 646BLDP hello packets are sent to TCP port 711CLDP sessions are TCP sessions to port 646DLDP sessions are TCP sessions to port 711ELDP establishes a peer relationship with another router that must be directly attachedFLDP can establishes a peer relationship with another router that is not directly attached
考题
多选题Which two statements about MPLS Label Distribution Protocol （LDP） are true？ （）ALDP hello packets are sent to TCP 646.BLDP session packets are sent to TCP 646.CLDP session packets are sent to TCP 711.DLDP hello packets are sent to TCP 711.ELDP hello packets are sent to UDP 711.FLDP hello packets are sent to UDP 646.
考题
单选题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.
考题
多选题Which two statements are true about AH?（） (Choose two.)AAH provides data integrity.BAH is identified by IP protocol 50.CAH is identified by IP protocol 51.DAH cannot work in conjunction with ESP
考题
多选题Which two statements about MPLS label-switched paths (LSPs) are true? （）ALSPs are bidirectional.BLSPs are unidirectional.CLSPs must follow the IGP's shortest path.DLSPs can follow paths other than the IGP's shortest path.
考题
多选题What are two purposes of the RSVP signaling protocol when configuring MPLS Label-Switched Paths (LSPs)? （）(Choose two.)Ato perform a label push operationBto track the status of signaled LSPsCto perform longest-match route lookupsDto reserve resources, such as labels and path information
考题
多选题Which two routing protocols support MPLS traffic engineering link information distribution？ （）AOSPFBBGPCRIP version 2DIS-ISEEIGRP
考题
单选题Which of the following is true regarding Label Distribution Protocol （LDP）？（）A
It is a label distribution protocol for MPLSB
It is a set of procedures and messages by which LSRs establish Label Switch Paths （LSPs） through a networkC
Tag distribution Protocol （TDP） was the basis for LDPD
All of the above are true
考题
多选题Which two statements are true about the rendezvo us point (RP) in a multicast network?（）AThe multicast sources must register with the RP to form the multicast distribution tree.BAn RP is required only in networks running Protocol Independent Multicast dense mode (PIM DM).CThe mu lticast receivers must register with the RP to form the multicast distribution tree.DAn RP is required only in networks running Protocol Independent Multicast sparse mode (PIM SM).EAn RP is required only in networks running Protocol Independent Mu lticast sparse - dense mode (PIM - SDM).FTo form the multicast distribution tree, the multicast sources register with and the receivers join the RP.
考题
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？（）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.
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