[单项选择]What is a GMDSS functional or carriage requirement for compulsory vessels?（）
A. A compulsory vessel must carry at least two (2) licensed GMDSS operators
B. A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails
C. A compulsory vessel must be able to transmit and respond to distress alerts
D. All of the above

[单项选择]What is a functional or carriage requirement for compulsory vessels?（）
A. A compulsory vessel must carry at least two licensed GMDSS Radio Operators
B. A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails
C. A compulsory vessel must be able to transmit and respond to distress alerts
D. All of the above

[单项选择]What publications should a GMDSS Operator consult regarding the proper set-up and operation of vessel equipment（）.
A. ITU Publications
B. The manufacturers instruction manuals
C. Part 90 of the FCC Rules and Regulations
D. Code of Federal Regulations，Title 47，Part 80，Subpart W

[单项选择]What is the basic concept of GMDSS? （）
A. Search and rescue authorities ashore can be alerted to a distress situation
B. Shipping in the immediate vicinity of a ship in distress will be rapidly alerted
C. Shoreside authorities and vessels can assist in a coordinated SAR operation with minimum delay
D. All of the above

[单项选择]What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received? （）
A. No action is necessary，as the DSC control unit will automatically switch to the NBDP follow-on communications frequency
B. The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was received
C. The Operator should immediately set continuous watch on VHF channel 70
D. The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received

[单项选择]What are the conditions，under GMDSS，whereby a ship is NOT allowed to depart from any port? （）
A. The vessel is not capable of performing all required distress and safety functions
B. The vessel is carrying more than the required number of qualified GMDSS radio operators
C. The vessel has a temporary waiver of its radio license and Safety Certificate
D. The vessel is not carrying a GMDSS radio maintainer，but has provided for shoreside maintenance plus duplication of equipment if required

[单项选择]What does the DSC control unit do if the GMDSS radio operator fails to insert updated information when initiating a DSC distress alert（）.
A. It will abort the transmission and set off an audible alarm that must be manually reset
B. It will initiate the DSC distress alert but，as no information will be transmitted，rescue personnel will not be able to identify the vessel，its position or its situation
C. It will initiate the DSC distress alert and default information will automatically be transmitted
D. It will initiate the DSC distress alert，but any station receiving it will have to establish contact with the distressed vessel to determine its identity，position and situation

[单项选择]What is NOT a requirement of the reinspection for a tank barge with a certificate of inspection valid for two years? （）
A. The reinspection will be made between the fourteenth and sixteenth months
B. The inspector shall examine all accessible parts of the vessels's hull
C. The inspector shall examine the vessel's machinery as well as equipment
D. The scope of the reinspection shall be the same as for the inspection for certification，but in less detail

[单项选择]What is the requirement of a navigator who used an ECDIS?（）
A. Good navigational knowledge and a professional job attitude
B. Good computer knowledge
C. Good system knowledge
D. Nothing special

[单项选择]What is NOT a requirement for testing the line throwing appliance on a vessel? （）
A. The appliance should be tested every three months
B. A regular service line should be used when testing
C. A regular projectile should be used when testing
D. An entry about the test must be made in the Official Log Book

[简答题]简述述GMDSS基本功能？

[单项选择]Proper GMDSS watchkeeping includes（）.
A. monitoring all required frequencies in the proper mode
B. reading all displays and/or printouts after silencing an alarm
C. notifying the Master of any distress alerts
D. All of the above

[单项选择]Which statement concerning GMDSS Radio Operator requirements is FALSE（）.
A. Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea
B. Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well
C. Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communications
D. While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer

[多项选择]GMDSS的组成部分有（）
A. 卫星通信系统
B. 地面通信系统
C. 定位系统
D. 寻位系统
E. MSI播发与接收系统
F. 导航系统

[单项选择]What is the requirement of Remote Triggered Black Hole （RTBH ） filtering？（）
A. IBGP updates exchange between trigger router and black hole router
B. EBGP updates exchange between trigger router and black hole router
C. OSPF updates exchange between trigger router and black hole router
D. ISIS updates exchange between trigger router and black hole router

[单项选择]In addition to communication equipment, the GMDSS will introduce requirements of SARTs and EPIRBs designed to improve the（）.
A. living standards
B. survival condition
C. chance of survival
D. technical specification

[单项选择]Having studied the INMARSAT document, GMDSS document, SOLAS Convention and other international navigation documents, we all know that the Chapter IV of SOLAS Convention is mainly about（）.
A. the radio regulations
B. the technical terms and definitions
C. how to operate the GMDSS SES equipment
D. Maritime Communications