Pass Benchmark: 75% • Standard: USCG NMC / 46 CFR

USCG GMDSS Element 7 (Radio Operating Practices) (Set 13)

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Question 1 of 30

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Question 1 of 30

Which action must be taken to ensure that incoming message traffic of all priority levels will be received through Inmarsat-C?

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30 MCQs

#1 Which action must be taken to ensure that incoming message traffic of all priority levels will be received through Inmarsat-C? #2 When logging into the Inmarsat system using Inmarsat-C, it is necessary to: #3 What action should be taken on changing from one ocean region to another? #4 The process of logging out involves the following: #5 How do you determine that your Inmarsat-C terminal has accomplished a successful login? #6 On many Inmarsat-C terminals, which of the following indicates a successful log-in? #7 What is the primary function of an NCS? #8 What is the primary function of a CES? #9 Messages are transmitted by the CES according to what criteria? #10 How is maximum coverage provided by satellites in the maritime satellite service? #11 What is meant by the characters GA+ on an Inmarsat terminal? #12 What is the purpose of a CODEC? #13 What is an MRN? #14 To keep the Inmarsat-B antenna pointing at the desired satellite, regardless of the ship's position and course, it has an input from the vessel's: #15 The Inmarsat telephone and TELEX communications channel usage scheme is: #16 What is an Inmarsat "Subscriber Number"? #17 Which of the following statements concerning Inmarsat geostationary satellites is true? #18 What is meant by "CES"? #19 How is a signal radiated from an Inmarsat-B system's antenna? #20 Which mode of Inmarsat-B communications may be possible with a lower received signal strength? #21 What is the purpose of the second I.D. in an Inmarsat-B SES? #22 What is the effect of having five periods (e.g.-meanwhile.....) in the text of a TELEX transmission on an Inmarsat-A SES? #23 Why is the automatic answerback request (WRU) first used by the CES after an Inmarsat-B TELEX call has been placed from a ship? #24 When engaging in voice communications via an Inmarsat-B terminal, what procedures are used? #25 Which mode of communications is NOT possible through an Inmarsat-C SES? #26 What is the average length of time required for a TELEX sent by Inmarsat-C to be delivered to the addressee? #27 How is a signal radiated from an Inmarsat-C system's antenna? #28 What statement is true regarding Inmarsat-C? #29 With an Inmarsat-C CES, how are messages routed to receiving stations? #30 What are the directional characteristics of the Inmarsat-C SES antenna?

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