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In which three network technologies is traffic shaping used to prevent and manage congestion？ （）A、Asynchronous Transfer Mode （ATM）B、data-link switching （DLSw）C、Route Processor Redundancy （RPR）D、Frame Relay （FR）E、Metro EthernetF、Multiprotocol Label Switchi

题目

In which three network technologies is traffic shaping used to prevent and manage congestion？ （）

  • A、Asynchronous Transfer Mode （ATM）
  • B、data-link switching （DLSw）
  • C、Route Processor Redundancy （RPR）
  • D、Frame Relay （FR）
  • E、Metro Ethernet
  • F、Multiprotocol Label Switching （MPLS）
参考答案和解析
正确答案:A,D,E
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相似问题和答案

第1题：

What are two functions associated with JUNOS software class of service?()

A. Manage ingress bandwidth.

B. Mark packets for special handling.

C. Manage congestion by intelligently dropping traffic.

D. Classify Frame Relay QoS packets into an equivalent IP CoS environment.


参考答案：B, C

第2题：

Cisco IOS is the software used on the vast majority of Cisco Systems routers and current Cisco network switches. As a network administrator, you are required to configure MPLS on Cisco IOS. In such a situation,which three of the following steps are necessary to take?（）

A. Start LDP.

B. Enable CEF switching.

C. Configure conditional label advertising.

D. Enable label switching on frame mode interfaces.

E. disable IP TTL propagation

F. configure conditional label advertising


参考答案：A, B, D

第3题：

数据通信网包括以下哪些类型网络()。

A.分组交换网

B.帧中继(Frame Relay)网

C.数字数据网(DDN)

D.ATM(Asynchronous Transfer Mode)网

E.IP网


正确答案：ABCDE

第4题：

ATM （Asynchronous Transfer Mode） technology combines connection oriented mechanism and （ ） mechanism.

A.circuit switching
B.packet switching
C.message switching
D.voice switching

答案：B
解析：
ATM（异步传输模式）技术结合了面向连接机制和分组交换机制。

第5题：

To ensure voice packets are kept within the Committed Information Rate (CIR) of a Frame Relay link, what should be used in the CPE?()

A. prioritization

B. classification

C. fragmentation

D. traffic shaping


参考答案：D

第6题：

ATM(Asynchronous Transfer Mode) technology combines connection oriented mechanism and (72) mechanism

A.circuit switching

B.packet switching

C.message switching

D.voice switching


正确答案：B
本题目翻译：ATM（异步传输模式）技术结合面向连接机制和分组交换机制，考察的是分组交换技术。

第7题：

Which three of the following steps are mandatory when configuring MPLS on Cisco IOS? ()(Choose three.)

A. start LDP

B. enable CEF switching

C. configure the MPLS ID

D. disable IP TTL propagation

E. configure conditional label advertising

F. enable label switching on frame mode interfaces


参考答案：A, B, F

第8题：

The methods used in Asynchronous Transfer Mode (ATM)are switch technology and(17)is used to describe this mode.

A．cell exchange

B．message exchange

C．information exchange

D．packet exchange


正确答案：A

第9题：

ATM（Asynchronous Transfer Mode）technology combines connection oriented mechanism and （ ） mechanism.ATM（异步传输模式）技术结合了面向连接机制和（ ）分组交换机制。

A.circuit switching电路转接
B.packet switching分组交换
C.message switching信息转换
D.voice switching声音转换

答案：B
解析：

第10题：

Why is it appropriate to use conditional label advertising when deploying MPLS? （）

  • A、to make CEF tables smaller
  • B、to enable label switching on the frame mode interface
  • C、to restrict MPLS availability to predefined time periods
  • D、to restrict label switching to a limited number of networks
  • E、to restrict end users from seeing the routers in the MPLS network

正确答案:D

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