铁路电务系统考试

调度集中 centralized traffic control（CTC）

题目

调度集中 centralized traffic control（CTC）

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相似问题和答案

第1题：

Which IP telephony deployment model uses an H.225 Gatekeeper－Controlled trunk for call admission control within existing H.323 environments?()

A. single site with centralized call processing

B. single site with distributed call processing

C. multisite with centralized call processing

D. multisite with distributed call processing


参考答案：D

第2题：

If both the ‘high level’and ‘low level’ alarms come on for the same address of a centralized（集中的） control console, the most likely problem is a/an ______.

A.sensor failure

B.failed alarm

C.low level

D.extremely high level


正确答案：A

第3题：

他们配合警察， 协管周围道路的车辆和行人

A.They will assist the police to supervise the traffic and passengers as well

B.They will help the police to control the traffic and pedestrians as well.

C.They will cooperate with the police in checking the traffic and pedestrians as well.

D.They will obey the police to control the traffic and pedestrians as well.


正确答案：B

第4题：

What is the difference between the Ethanalyzer and the SPAN feature in Cisco NX-OS？（）

  • A、 The Ethanalyzer captures control-plane traffic， while SPAN captures all traffic.
  • B、 The Ethanalyzer captures all traffic including control-plane traffic， while SPAN captures only the control-plane traffic.
  • C、 The Ethanalyzer captures only data traffic， while SPAN captures all traffic.
  • D、 The Ethanalyzer captures only control traffic， while SPAN captures data traffic.

正确答案:A

第5题：

TCAS的英文全称为（）。

  • A、Traffic alert and Collision Advoidance System
  • B、Traffic Collision and Alert System
  • C、Traffic Control and Service
  • D、Traffic Condition and Surveillance

正确答案:A

第6题：

SDCCH全拼是()

A.Traffic Channel

B.Broadcast Control Channel

C.Stand-Alone Dedicated Control Channel

D.Access Granted Channel


参考答案：C

第7题：

______ is not likely to be a methods of Traffic Separation．

A.Separation of opposing streams of traffic by separation zones or lines

B.The separation of through traffic from local traffic by provision of inshore traffic zones

C.Division of traffic from several different direction into sectors

D.Control of routing traffic through shipping routes


正确答案：D

第8题：

Packet filtering firewalls identify and control traffic by examining the (),(),and ().

A、ways

B、source

C、destination

D、port


正确答案:B,C,D

第9题：

CTCS是中国列车调度集中系统（Chinese Train Control System）的英文缩写。


正确答案:错误

第10题：

Which of these provide centralized reporting for the S-Series？（）

  • A、 M-Series appliance
  • B、 sawmill for CiscoIronPort
  • C、 the built-in WSA reporting infrastructure
  • D、 Cisco application control engine

正确答案:B

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