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

USCG GMDSS Element 7 (Radio Operating Practices) (Set 19)

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Question 1 of 30

Which of the following keystrokes or characters is sent as part of ARQ communications to switch information transmission control from one station to the other?

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30 MCQs

#1 Which of the following keystrokes or characters is sent as part of ARQ communications to switch information transmission control from one station to the other? #2 Which of the following keystrokes or characters follows most commands in ARQ communications when working an automated Coast Station? #3 Which characters are sent by the ship station when operating HF TELEX, to indicate a desire to send an AMVER message? #4 Which characters are sent by the ship station to indicate a desire to send a message via a direct connection to a shoreside TELEX subscriber? #5 What is the procedure used to terminate the radio circuit? #6 What are the characters that are transmitted to terminate a direct TELEX connection in SITOR operation? #7 Which of the following statements concerning SITOR communications is true? #8 What statement is true regarding the exchange between two parties engaged in SITOR communications? #9 Of the following, which is true of SITOR ARQ mode direct printing radioteletype transmission? #10 Which of the following is true of SITOR ARQ mode? #11 In ARQ, when the information sending station (ISS) receives a signal that the parity check failed what happens? #12 Which of the following is true of SITOR ARQ mode: #13 Which of the following keystrokes or characters is sent as part of ARQ communications to request a direct TELEX call to a shore-based location? #14 The DIRTLX command should be given to a coast station at what point in time? #15 Which automatic TELEX command should be sent by a ship station during SITOR operations to properly address a weather report to the national weather authority? #16 Which of the following would be a valid automatic TELEX code and number for a request for a real-time TELEX connection to a shore-based TELEX terminal? #17 When requesting a direct TELEX connection to a vessel's Inmarsat-B terminal, (i.e. making a SITOR call to an Inmarsat-B unit) the GMDSS operator must: #18 To correctly address a SITOR message and transmit it "live" to a shore-based office the GMDSS operator would dial which sequence: #19 Which of the following statements concerning SITOR communications is true? #20 Which of the following is true of SITOR Mode B (FEC), in the presence of static crashes. #21 Which of the following statements concerning SITOR communications is true? #22 The sequence ARQ, FEC, SFEC best corresponds to which of the following sequences? #23 The sequence BFEC, SFEC, ARQ best corresponds to which of the following sequences? #24 Selective FEC communications (SFEC) are employed when: #25 If the vessel is within range of NAVTEX broadcasts and both the Inmarsat-C and the NAVTEX receiver are inoperative the GMDSS operator should: #26 If the vessel is beyond range of NAVTEX broadcasts and the Sat-C system fails, the GMDSS operator must: #27 If the vessel is experiencing atmospheric interference with NAVTEX broadcasts, especially in the tropics, the GMDSS operator should: #28 Why must the GMDSS operator be able to set-up FEC & ARQ modes and differentiate between them? #29 FEC SITOR transmissions might be used to? #30 FEC NBDP transmissions are normally used to?

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