CMS专题

单选题Which timing mode is appropriate for a SONET NE that is adjacent to a SONET NE using BITS-1 timing source?（）A DUSB line timingC loop timingD internal timingE through timing

题目
单选题
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

参考答案和解析
正确答案： A
解析： 暂无解析
如果没有搜索结果，请直接 联系老师 获取答案。
相似问题和答案

第1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2题：

Which timing mode is most appropriate for an ONS 15454 that has lost its BITS－1 and optical references?()

A.line timing

B.loop timing

C.internal timing

D.through timing

E.external timing


参考答案：C

第3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4题：

Which timing mode is appropriate for an SDH NE that is adjacent to an SDH NE Bits-1 timing？ （）

  • A、 DUS
  • B、 line timing
  • C、 loop timing
  • D、 internal timing
  • E、 through timing

正确答案:B

第5题：

NE80E的POS接口支持哪几种帧格式（）

  • A、SDH格式
  • B、SONET格式
  • C、FR格式
  • D、ATM格式

正确答案:A,B

第6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7题：

One of your customers wishes to use the NAS to perform DHCP functions and does not currently have a Layer 3 gateway in its production network. Which gateway mode is appropriate for this customer?()

A.Virtual Gateway

B.Real-IP Gateway

C.NAT Gateway

D.IP-IP Gateway


参考答案：B

第8题：

Which of the following uses a ring topology?()

A.DSL

B.Ethernet

C.DOCSIS

D.SONET


参考答案：D

第9题：

One of your customers wishes to use the NAS to perform DHCP functions and does not currently have a Layer 3 gateway in its production network. Which gateway mode is appropriate for this customer?（）

  • A、Virtual Gateway
  • B、Real-IP Gateway
  • C、NAT Gateway
  • D、IP-IP Gateway

正确答案:B

第10题：

Which three timing modes are supported on the ONS 15454 shelf? （）(Choose three.)

  • A、line timing
  • B、loop timing
  • C、internal timing
  • D、through timing
  • E、external timing

正确答案:A,C,E

更多相关问题
相关内容