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Which two statements about MPLS Label Distribution Protocol 

题目
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.

参考答案和解析
正确答案： F,D
解析： 暂无解析
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相似问题和答案

第1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 tree

B. 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 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 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


参考答案：D, F

第2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.

正确答案:D

第3题：

在MPLS中,LDP的具体解释()。

A.Label Data Pair

B.Label Distribution Pair

C.Label Distribution Protocol

D.Label Data Protocol


参考答案：C

第4题：

Which two of these are characteristics of MPLS VPNs？ （）

  • A、 Layer 3 MPLS VPNs can forward only IP packets
  • B、 Layer 2 MPLS VPNs can forward any network protocol
  • C、 MPL S label paths are automatically formed based on Layer 2 frames
  • D、 Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames
  • E、 In Layer 2 MPLS VPNS， the service provider controls the customer Layer 3 policies

正确答案:A,B

第5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 tree
  • B、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 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 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

正确答案:D,F

第6题：

Which two of these are characteristics of MPLS VPNs?()

A. Layer 3 MPLS VPNs can forward only IP packets

B. Layer 2 MPLS VPNs can forward any network protocol

C. MPLS label paths are automatically formed based on Layer 2 frames

D. Layer 3 MPLS VPNs can forward any network protocol based on Layer 2 frames

E. In Layer 2 MPLS VPNS, the service provider controls the customer Layer 3 policies


参考答案：A, B

第7题：

Which of the following is true regarding Label Distribution Protocol （LDP）？（）

  • A、It is a label distribution protocol for MPLS
  • B、It is a set of procedures and messages by which LSRs establish Label Switch Paths （LSPs） through a network
  • C、Tag distribution Protocol （TDP） was the basis for LDP
  • D、All of the above are true

正确答案:D

第8题：

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


参考答案：A, C

第9题：

在MPLS中，LDP的具体解释（）。

  • A、Label Data Pair
  • B、Label Distribution Pair
  • C、Label Distribution Protocol
  • D、Label Data Protocol

正确答案:C

第10题：

Which two routing protocols support MPLS traffic engineering link information distribution？ （）

  • A、OSPF
  • B、BGP
  • C、RIP version 2
  • D、IS-IS
  • E、EIGRP

正确答案:A,D

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