DSC distress relays can be transmitted by either（）or（）.
A . a coast station/a ship station
B . an EPIRB/a SART
C . ARQ/FEC
D . a back-up satellite/a land SAR unit
时间：2022-10-10 16:44:53
所属题库：GMDSS题库
相似题目
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Which EPIRB transmits a distress alert that is received and relayed by an INMARSAT satellite?（）
A . Class A EPIRBs
B . Class B EPIRBs
C . L-Band EPIRBs
D . Category I EPIRB
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One of the signals，other than a distress signal，that can be used by a vessel to attract attention is a(n)（）.
A . red star shell
B . searchlight
C . burning barrel
D . orange smoke signal
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One of the signals，other than a distress signal，that can be used by a rescue boat to attract attention is a/an（）.
A . red star shell
B . searchlight
C . burning barrel
D . orange smoke signal
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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 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 informatio
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For the following LMI types， which three can be configured for use with Frame Relay on a Cisco router？（）
A . Cisco
B . ANSI-Annex D
C . Q.931-Annex B
D . Q.933-Annex A
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If a DSC distress relay is transmitted from coast station , it will（）.
A . indicate the ship in distress that the alert has been received
B . alert ships in the area of a distress incident that a distress has occurred
C . inform other coast station of distress incident
D . repeat the distress alert in 5 minute
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With the help of GMDSS（）can be alerted to a distress incident as soon as possible.
A . all ships in a large sea area
B . only the sea authorities ashore
C . the SAR units ashore and at sea
D . the port radios and the coast statio
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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
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By using（）system a ship can send a distress message and know with certainty it will be received.
A . COSPAS-SARSAT
B . SATELLITE
C . terrestrial radio
D . INMARSAT
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Distress and safety communications following DSC calling will be performed by radiotelephony or（）.
A . NBDP
B . EGC receiver
C . NBDP or both
D . EGC receiver or both
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In the GMDSS, distress alerting can be transmitted in（）directions.
A . 1
B . 2
C . 3
D . 4
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The（）is that search and rescue authorities ashore, as well as shipping in the immediate vicinity of the ship in distress, will be rapidly alerted to a distress incident so they can assist in a coordinated SAR operation with the minimun delay.
A . common communication system
B . distress traffic system
C . basic concept of GMDSS
D . SAR operation procedure
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According to the basic concept of GMDSS,（）can be rapidly alerted to a distress incident.
A . only SAR authorities on land
B . all ships in a very large sea area
C . the nearest coast stations and port radios
D . the SAR authorities ashore as well as ships in the vicinity of the casualty
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If no distress acknowledgement is received（）a DSC distress call transmission, then the ship in distress may repeat the DSC distress call attempt after a delay of between 3.5 and 4.5 minutes from the beginning of the initial call.
A . relevant to
B . relate to
C . in response to
D . in relation to
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For the following LMI types，which three can be configured for use with Frame Relay on a Cisco router？（）
A . Cisco
B . ANSI - Annex D
C . Q.931 - Annex B
D . Q.933 - Annex A
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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 situatio
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You can indicate that your vessel is in distress by（）.
A . displaying a large red flag
B . displaying three black balls in a vertical line
C . sounding four or more short rapid blasts on the whistle
D . continuously sounding the fog whistle
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We（）the distress signal on our own radio before the shore station relayed it to us.
A . received alreadly
B . have received
C . had received
D . was receiving
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A new frame relay connection is being brought up. Which of the following are frame relay LMI type options that can be configured on this new link?（）
A . EIA/TIA
B . Q.932
C . Q.933A
D . IEEE
E . Cisco
F . Annex D
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If the DSC controller is configured for MF/HF operation, the distress will be sent on（）.
A . double frequencies
B . single frequency
C . dedicated frequency
D . multiple frequencie
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All the following equipment can be used to identify the position of the vessel in distress except（）.
A、AIS
B、LRIT
C、VDR
D、GPS
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I love the man that can smile in trouble, that can _ strength from distress, and that can grow brave by reflection.
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37. All the following equipment can be used to identify the position of the vessel in distress except ______.
A、 AIS
B、 LRIT
C、 VDR
D、 GPS
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The ______is that search and recuse authorities ashore ,as well as shipping in the immediate vicinity of the ship in distress ,will be rapidly alerted to a distress incident so they can assist in a co
A．common communication system
B．distress traffic system
C．basic concept of GMDSS
D．SAR operation procedure
