Question 1
What is the primary international radiotelephony channel for distress, safety, and calling in the marine VHF band?
Correct Answer:
VHF Channel 16
Question 2
Which VHF channel is reserved strictly for Digital Selective Calling (DSC) and prohibits any voice radiotelephony transmissions?
Correct Answer:
VHF Channel 70
Question 3
Under GMDSS definitions, how is Sea Area A1 defined?
Correct Answer:
An area within the radiotelephone coverage of at least one VHF coast station in which continuous DSC alerting is available
Question 4
What is the primary international purpose of VHF Channel 13?
Correct Answer:
Bridge-to-bridge safety of navigation communications
Question 5
What power setting should be selected on a marine VHF transceiver when operating in close proximity to other vessels in a harbor?
Correct Answer:
Low power (1 Watt)
Question 1
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About this Exam

Prepare with the SAMSA GMDSS ROC Practice Questions - SAMSA STCW Section A-IV 2 GMDSS Restricted Operator Certificate Exam practice quiz. This question bank includes 100 questions covering channel, epirb, radio, sart, and primary. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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SAMSA GMDSS ROC Practice Questions - SAMSA STCW Section A-IV 2 GMDSS Restricted Operator Certificate Exam

This practice set contains 100 questions from the matching question bank and focuses on channel, epirb, radio, sart, and primary. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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