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Which message categories cannot be disabled by the GMDSS radio operator ________．
A.Navigational Warnings
B.Meteorological Warnings
C.Search and Rescue Information
D.All of the above
参考答案
更多 “ Which message categories cannot be disabled by the GMDSS radio operator ________．A.Navigational WarningsB.Meteorological WarningsC.Search and Rescue InformationD.All of the above ” 相关考题
考题
Proper GMDSS watchkeeping includes ______.A.understanding the GMDSS console’s normal operational indicatorsB.maintaining a proper GMDSS radio station logC.responding to and comprehending alarmsD.All of the above
考题
What is the minimum requirement of a GMDSS operator?A.GMDSS operator licenseB.Third officer licenseC.General Radiotelephone Operator license and Radar EndorsementD.General Radiotelephone license or First or Second Class Radiotelegraph license with GMDSS Radio Officer’s endorsement
考题
When the GMDSS Radio Operator on watch hears“SECURITE”spoken three times he can expect to receive a message concerning ______．A.The safety of navigation or important meteorological warningsB.The safety of a vessel or a person is in jeopardyC.A vessel in need of immediate assistanceD.A coast station traffic list
考题
Which device provides the main means in the GMDSS for locating ships in distress or their survival craft ________．A.Radio direction finderB.Satellite EPIRBsC.MF/HF DSCD.VHF homing device
考题
Which maintenance functions can a GMDSS Radio Operator perform ________．A.The Operator can make fine internal adjustments to the transmitter as long as the output power does not change by more than one percentB.The Operator is responsible for ensuring that INMARSAT antennas are free of built-up soot and clear of obstaclesC.All levels of maintenance must be performed by a licensed GMDSS Radio MaintainerD.The Operator may install an EPROM in order to ensure that the equipment continues to operate within legal constraints
考题
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 seaB.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 wellC.Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communicationsD.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
考题
Which statement concerning satellite EPIRBs is TRUE ________．A.Once activated，these EPIRBs continuously send up a signal for use in identifying the vessel and for determining the position of the beaconB.The coded signal identifies the nature of the distress situationC.The coded signal only identifies the vessel's name and port of registryD.If the GMDSS Radio Operator does not program the EPIRB，it will transmit default information such as the follow-on communications frequency and mode
考题
Which statement is TRUE ________．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 seaB.All distress communications must be entered in the GMDSS radio log．C.Both of the aboveD.None of the above
考题
Which statement is TRUE ________．A.Key letters or abbreviations may not be used in GMDSS radio logbooks under any circumstanceB.Urgent communications do not need to be entered in the GMDSS radio logC.Both of the aboveD.None of the above
考题
Which statement is false？（） A、 custom URL categories cannot contain IP addressesB、 custom URL categories cannot override predefined URL categoriesC、 custom URL categories can contain domain namesD、 custom URL categories can use regular expressions
考题
Which statement is true regarding subqueries?（）A、The LIKE operator cannot be used with single-row subqueries B、The NOT IN operator is equivalent to IS NULL with single-row subqueries C、=ANY and =ALL operators have the same functionality in multiple-row subqueries D、The NOT operator can be used with IN, ANY, and ALL operators in multiple-row subqueries
考题
单选题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 frequencyB
The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was receivedC
The Operator should immediately set continuous watch on VHF channel 70D
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
考题
单选题Proper GMDSS watchkeeping includes（）.A
understanding the GMDSS console's normal operational indicatorsB
maintaining a proper GMDSS radio station logC
responding to and comprehending alarmsD
All of the above
考题
单选题If a GMDSS radio operator initiates a DSC distress transmission but does not insert a message，what happens? （）A
The transmission is aborted and an alarm sounds to indicate this data must be provided by the operatorB
The transmission is not initiated and ERROR is indicated on the display readoutC
The transmission will be made with default information provided automaticallyD
The receiving station will poll the DSC unit of the vessel in distress to download the necessary information
考题
单选题For GMDSS，which statement concerning a compulsory vessel is FALSE?（）A
A conditional or partial exemption may be granted，in exceptional circumstances，for a single voyage outside the sea area for which the vessel is equippedB
Once a compulsory vessel's GMDSS station has been fitted and inspected，the station must be inspected only once every five yearsC
All passenger vessels and all cargo vessels that are 300 Gross Tons or larger must complyD
Compulsory vessels must carry at least two licensed GMDSS Radio Operators
考题
单选题Which statement is TRUE（）.A
Key letters or abbreviations may not be used in GMDSS radio logbooks under any circumstanceB
Urgent communications do not need to be entered in the GMDSS radio logC
Both of the aboveD
None of the above
考题
单选题Which statement is TRUE（）.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 seaB
All distress communications must be entered in the GMDSS radio logC
Both of the aboveD
None of the above
考题
单选题Which statement is true regarding subqueries?（）A
The LIKE operator cannot be used with single-row subqueries B
The NOT IN operator is equivalent to IS NULL with single-row subqueries C
=ANY and =ALL operators have the same functionality in multiple-row subqueries D
The NOT operator can be used with IN, ANY, and ALL operators in multiple-row subqueries
考题
单选题Which message categories cannot be disabled by the GMDSS radio operator（）.A
Navigational WarningsB
Meteorological WarningsC
Search and Rescue InformationD
All of the above
考题
单选题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 functionsB
The vessel is carrying more than the required number of qualified GMDSS radio operatorsC
The vessel has a temporary waiver of its radio license and Safety CertificateD
The vessel is not carrying a GMDSS radio maintainer，but has provided for shoreside maintenance plus duplication of equipment if required
考题
单选题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 seaB
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 wellC
Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communicationsD
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
考题
单选题The operator of the ship’s radiotelephone，if the radiotelephone is carried voluntarily，must hold at least a（）.A
Mate's licenseB
Restricted radiotelephone operator permitC
Second-class radio operator's licenseD
Seaman's document
考题
单选题What are the vessel equipment and personnel requirements for GMDSS? （）A
Two licensed GMDSS radio operatorsB
Equipment carriage requirementsC
Distress alerting and responseD
All of the above
考题
多选题Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true (Choose two.)（）。ARouter C will use ICMP to inform Host 1 that Host 2 cannot be reachedBRouter C will use ICMP to inform Router B that Host 2 cannot be reachedCRouter C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reachedDRouter C will send a Destination Unreachable message typeERouter C will send a Router Selection message typeFRouter C will send a Source Quench message type
考题
单选题Which statement is false？（）A
custom URL categories cannot contain IP addressesB
custom URL categories cannot override predefined URL categoriesC
custom URL categories can contain domain namesD
custom URL categories can use regular expressions
考题
单选题On which vessels is GMDSS required? （）A
All vessels capable of international voyagesB
Vessels operating outside of the range of VHF coastal radio stationsC
SOLAS Convention ships of 300 gross tonnage or moreD
Coastal vessels of less than 300 gross tons
考题
单选题Where should the GMDSS radio log be kept on board ship（）.A
In the Captain's officeB
In the sea cabinC
At the GMDSS operating positionD
Anywhere on board the vessel
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