海船船员考试

单选题In NAVTEX service, VITAL warnings will（）by transmitting station.A be transmitted at once though the frequency is not clearB be transmitted as soon as the frequency is cleared coordinatelyC be transmitted at its scheduled transmissionsD be transmitted a

题目
单选题
In NAVTEX service, VITAL warnings will（）by transmitting station.
A

be transmitted at once though the frequency is not clear

B

be transmitted as soon as the frequency is cleared coordinately

C

be transmitted at its scheduled transmissions

D

be transmitted at next scheduled transmissions

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相似问题和答案

第1题：

ThefollowingcommandisissuedonaCiscoRouter:Router(configuration)loggingconsolewarningsWhichalertswillbeseenontheconsole?()

A.Warningsonly

B.debugging，informational，notifications，warnings

C.warnings，errors，critical，alerts，emergencies

D.notifications，warnings，errors

E.warnings，errors，critical，alerts


参考答案：C

第2题：

Which statement about radio navigational warnings is TRUE ________．

A.The topics for warnings included in HYDROLANTS，HYDROPACS，and NAVAREA warnings are the same

B.NAVAREA warnings concern only coastal navigation and inland navigation in large bays or sounds such as Puget Sound

C.The United States is responsible for NAVAREA warnings in the North Atlantic north of 7°N，and west of 15°W

D.Long range radio navigational warnings are usually broadcast by radiotelephone，radiotelegraph，and radio-teletypewriter


正确答案：A

第3题：

A Windows Communication Foundation (WCF) service is responsible for transmitting XML documents between systems.The service has the following requirements:It must minimize the transmission size by attaching the XML document as is without using escape characters or base64 encoding.It must interoperate with systems that use SOAP but are not built on the .NET plafform.You need to configure the service to support these requirements. Which message encoding should you use?（）

A. Binary message encoding

B. MTOM (Message Transmission Optimization Mechanism) message encoding

C. Text message encoding with message version set to none

D. Text message encoding with message version set to SOAP 1.2


参考答案：B

第4题：

优先等级为VITAL的NAVTEX电文，播发时机为（）

  • A、随到随播
  • B、没有发射的播发
  • C、在正常发射时间播
  • D、都不对

正确答案:A

第5题：

Which alerts will be seen on the console when running the command： logging console warnings.（）

  • A、warnings only
  • B、warnings， notifications， error， debugging， informational
  • C、warnings， errors， critical， alerts， emergencies
  • D、notifications， warnings， errors
  • E、warnings， errors， critical， alerts

正确答案:C

第6题：

Whichalertswillbeseenontheconsolewhenrunningthecommand:loggingconsolewarnings.()

A.warningsonly

B.warnings，notifications，error，debugging，informational

C.warnings，errors，critical，alerts，emergencies

D.notifications，warnings，errors

E.warnings，errors，critical，alerts


参考答案：C

第7题：

《海岸电台播发奈伏泰斯（NAVTEX）办法》中规定的VITAL、IMPORTANT、ROUTINE系指。


正确答案: 1、VITAL（极其重要）：只能在非常紧急的情况下使用。
2、IMPORTANT（重要）：适用于大多数紧急资料。
3、（常规）：适用于所有在奈伏泰斯（NAVTEX）业务中播发的资料

第8题：

Which log contains information about service restarts, system errors, warnings, and requests to check server connectivity? ()

A. Events log

B. System log

C. User Access log

D. Admin Access log


参考答案：A

第9题：

NAVTEX系统播发电报优先次序的标志是（）。①VITAL；②IMPORTANT；③ROUTINE；④URGENT；⑤SAFETY；⑥MAYDAY

  • A、①②③
  • B、②④③
  • C、⑥④③
  • D、④⑤①

正确答案:A

第10题：

What two descriptions best define DWDM？ （）

  • A、 a WDM system that is compatible with EDFA technology
  • B、 an optical technology for transmitting up to 16 channels over multiple fiber strands
  • C、 an optical technology for transmitting up to 32 channels over multiple fiber strands
  • D、 a technology for transmitting multiple optical signals using less sophisticated transceiver designthen CWDM
  • E、 a technology for transmitting more closely packed optical signals using more sophisticatedtransceiver designs than CWDM

正确答案:A,E

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