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（）是NS（GB.Network Service Layer）的

题目

（）是NS（GB.Network Service Layer）的功能.

  • A、LLC.PDU的传输
  • B、对NSE中多个NS-VCs的上下链路的共享
  • C、对NS-VC的管理
  • D、传输BSSGPPDU
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相似问题和答案

第1题：

Which two statements correctly describe a situation in which an Active／Standby Service Module design is being used?()

A. Troubleshooting is more complicated.

B. Service and switch modules are underutilized.

C. Layer 2 adjacency is required with the servers that use this design.

D. Layer 3 adjacency is required with the servers that use this design.

E. Load balancing will always occur across both access layer uplinks.


参考答案：B, C

第2题：

Data transfer is slow between the source and destination. The quality of service requested by the transport layer in the OSI reference model is not being maintained. To fix this issue, at which layer should the troubleshooting process begin?（）

A. presentation

B. session

C. transport

D. network

E. physical


参考答案：D

第3题：

()是NS(GB Network Service Layer)的功能 .

A.LLC PDU 的传输

B.对NSE中多个NS-VCs 的上下链路的共享

C.对NS-VC的管理

D.传输BSSGP PDU


参考答案BCD

第4题：

在MSS，核心网的作用可以看作是（）

  • A、Connectivity layer
  • B、Service layer
  • C、Access layer
  • D、Control layer

正确答案:A,D

第5题：

NSAPI的全称为Network layer Service Access Point Identifier。()

A．错误

B．正确


参考答案：B

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：

WhenyoudesignQoSonCEforanMPLSLayer2VPN,whichthreethingsshouldbeconsidered?()

A.Layer2accesslinkQoSdesign

B.enterprise-to-service-providermappingmodels

C.Layer3linkaccessQoSdesign

D.serviceproviderservicelevelagreements

E.Layer2linkaccessloadbalancing


参考答案：A, B, D

第8题：

How is network layer addressing accomplished in the OSI protocol suite?()

A. Internet Protocol address

B. Media Access Control address

C. Packet Layer Proto col address

D. Network Service Access Point address

E. Authority and Format Identifier address


参考答案：D

第9题：

Together with the network layer,the transport layer is the heart of the protocol ( 请作答此空).The network layer provides end-to-end () delivery using datagrams or virtual circuits.The transport layer builds on the network layer to provide data transport from a process on a () machine to a process on a destination machine with a desired level of reliability that is independent of the physical () currently in use.It provides the abstractions that applications nedd to use the network..Without the () layer,the whole concept of layered protocols would make little sense.

A.transport
B.network
C.hierarchy
D.service

答案：C
解析：

第10题：

When you design QoS on CE for an MPLS Layer 2 VPN， which three things should be considered？（）

  • A、Layer 2 access link QoS design
  • B、enterprise-to-service-provider mapping models
  • C、Layer 3 link access QoS design
  • D、service provider service level agreements
  • E、Layer 2 link access load balancing

正确答案:A,B,D

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