A、A.all large passenger vessels
B、B.freighters of more than 300gt in coastal waters
C、C.all passenger ships and cargo ships engaged in international-voyages
D、D.all passenger ships and cargo ships of 300gt upwards in open sea
更多“GMDSS is to provide（）with reliable communication .”相关的问题
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
A、While the ship is at sea，there must be available at all times a supply of electrical energy sufficient to operate the radio installations and to charge any batteries used as part of a reserve source of energy B、Both the VHF and MF/HF installations must be simultaneously supplied C、A means of ensuring a continuous supply of electrical power must be provided to all GMDSS equipment that could be affected by an interruption in power D、If a UPS or equivalent is used to supply power to the ship's GPS receiver or other source of positional information，a means must be provided to ensure the continuous supply of the information in the event of a failure to the ship's main or emergency source of power
A、to provide routing to a local web server B、to provide routing from an ISP to a stub network C、to provide routing that will override the configured dynamic routing protocol D、to provide routing to a destination that is not specified in the routing table and which is outside the local network
A、to provide routing to a local web server B、to provide routing from an ISP to a stub network C、to provide routing that will override the configured dynamic routing protocol D、to provide routing to a destination that is not specified in the routing table and which is outside the local network
A、The transmission is aborted and an alarm sounds to indicate this data must be provided by the operator B、The transmission is not initiated and "ERROR" is indicated on the display readout C、The transmission will be made with "default" information provided automatically D、The receiving station will poll the DSC unit of the vessel in distress to download the necessary information
A、A.Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea B、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、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、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
A、A.to provide electrical signal B、B.to provide feed-back C、C.to provide local manual control D、D.to provide right rudder angle
A、to provide policy based routing B、to provide class of service capabilities C、to provide firewall filtering capabilities D、to provide unified threat managment
A、GMDSS radio logs are required to contain entries pertaining to all incidents connected to radio communication service which appear to be of importance to the safety of life at sea B、All distress communications must be entered in the GMDSS radio log C、Both of the above D、None of the above
A、When a single device is configured to provide differentiated services. B、When multiple devices in a network are configured to use CoS to provide differentiated services. C、When a device is used to connect to another autonomous system. D、When CoS is used to classifiy traffic as low priority.
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