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单选题
Which action should you take after sending a false distress alert on VHF?（）
A
Send a DSC cancellation message on Ch-70
B
Make a voice announcement to cancel the alert on Ch-16
C
Make a voice announcement to cancel the alert on Ch-13
D
Make a voice announcement to cancel the alert on Ch-22A
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Read the display screen and/or printoutB
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单选题While proceeding to a distress site，you hear the words “Seelonce mayday” on the radiotelephone.Which action should you take（）.A
Resume base course and speed as your assistance is no longer requiredB
Acknowledge receipt and advise your course，speed，and ETAC
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Monitor the radiotelephone but do not transmit
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Set the BACKUP_TAPE_IO_SLAVES parameter to FALSEB
Set the BACKUP_TAPE_IO_SLAVES parameter to TRUEC
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You should perform a log switchB
You should make a backup of the databaseC
You should switch the database to the NONARCHIVELOG modeD
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考题
单选题Which action should you take after sending a false distress alert on VHF?（）A
Send a DSC cancellation message on Ch-70B
Make a voice announcement to cancel the alert on Ch-16C
Make a voice announcement to cancel the alert on Ch-13D
Make a voice announcement to cancel the alert on Ch-22A
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