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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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更多 “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” 相关考题
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考题
单选题What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received? （）A
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考题
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考题
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Switch to flag hoistsB
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AB
BC
CD
D
考题
单选题Which action should be taken on receipt of a GMDSS distress alert（）.A
Read the display screen and/or printoutB
Silence the alarmC
Listen for any follow up voice/telex transmission on the appropriate frequencyD
All of the above
考题
单选题What action should you take to compensate for the abovecurrent?（）A
Continue on the same course and speedB
Alter your course to the rightC
Slow to 8.5 knotsD
Alter your course to the left
考题
单选题Your ship is steaming at night with the gyropilot engaged. You notice that the vessel’s course is slowly changing to the right. Which action should you take FIRST?（）.A
Notify the engine room of the steering malfunctionB
Change to hand steeringC
Call the MasterD
Send the Quartermaster to the emergency steering station
考题
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
Relay the original distress message as no other vessel has acknowledged itD
Monitor the radiotelephone but do not transmit
考题
单选题You are tuning RMAN to optimize performance. You want tape I/O to be asynchronous when you perform tape backups.Which action should you take?（）A
Set the BACKUP_TAPE_IO_SLAVES parameter to FALSEB
Set the BACKUP_TAPE_IO_SLAVES parameter to TRUEC
Use compression when performing tape backupsD
Configure multiple SBT channels
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单选题The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file： ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3； Which action should you perform immediately after using this command？（）A
You should perform a log switchB
You should make a backup of the databaseC
You should switch the database to the NONARCHIVELOG modeD
You should shut down the database instance and perform a complete database recovery
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