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SONET全称为()A、synchronous optimized networkB、synchronous optical networkC、synthesis optimized networkD、synthesis optical network

题目

SONET全称为()

  • A、synchronous optimized network
  • B、synchronous optical network
  • C、synthesis optimized network
  • D、synthesis optical network
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相似问题和答案

第1题:

Which code causes only a Level 2 adjacency to be formed under the SONET interface so-2/2/2 withFrame Relay encapsulation?Which code causes only a Level 2 adjacency to be formed under the SONET interface so-2/2/2 with Frame Relay encapsulation?()

A.

B.

C.

D.


参考答案:D

第2题:

A SONET network typically uses which of the following transmission media?()

A. Single-mode fiber

B. Multimode fiber

C. Copper

D. Wireless


参考答案:A

第3题:

SDH/PDH/SONET测试仪不可用于SONET网络的研发。()

此题为判断题(对,错)。


参考答案:错误

第4题:

On an ONS 15454 node you can tunnel a(n) ().

  • A、 SDH circuit over a SONET network delivering it as an SDH signal
  • B、 SDH circuit over a SONET network delivering it as a SONET signal
  • C、 SONET circuit over an SDH network delivering it as an SDH signal
  • D、 SONET circuit over an SDH network delivering it as a SONET signal

正确答案:A

第5题:

Which timing mode is appropriate for a SONET NE that is adjacent to a SONET NE using BITS-1 timing source?()

A.DUS

B.line timing

C.loop timing

D.internal timing

E.through timing


参考答案:B

第6题:

Which three SONET network elements are used for troubleshooting?()

A.line

B.path

C.circuit

D.section

E.segment


参考答案:A, B, D

第7题:

UPSR protection switching is initiated by (), while BLSR is initiated by ().

A. the K1 SONET byte; the K2 SONET byte

B. the K2 SONET byte;the K1 SONET byte

C. transmitter switching;receiver detection

D. Line Overhead bytes;Path Overhead bytes

E. Path Overhead bytes;Line Overhead bytes


参考答案:E

第8题:

ITU-T接受了SONET的概念,将其重新命名为( )。

A.ATM

B.PDH

C.SDH

D.CDMA


正确答案:C
解析:1988年ITU-T接受了SONET的概念,并重新命名为同步数字体系(SDH),使之不仅适用于光纤,也适用于微波和卫星传输的通用性技术体制。

第9题:

OptiX Metro 1600是华为公司面向北美和日本城域网光网络市场推出的NG-SONET(下一代SONET)设备。


正确答案:正确

第10题:

UPSR protection switching is initiated by (), while BLSR is initiated by ().

  • A、the K1 SONET byte; the K2 SONET byte
  • B、the K2 SONET byte;the K1 SONET byte
  • C、transmitter switching;receiver detection
  • D、Line Overhead bytes;Path Overhead bytes
  • E、Path Overhead bytes;Line Overhead bytes

正确答案:E

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