six months
one year
two years
thirty months
第1题:
If your vessel is the stand-on vessel in a crossing situation ______.
A.you must keep your course and speed
B.you may change course and speed as the other vessel must keep clear
C.the other vessel must keep her course and speed
D.both vessels must keep their course and speed
第2题:
第3题:
Under the Pollution Regulations,when you dump garbage in to the sea you must ______.
A.notify Coast Guard or MSA
B.make an entry in the Official Logbook
C.keep a record for two years
D.No action is required if you are more than 25 miles fromland and no plastic materials are dumped
第4题:
You want to use the Flashback Transaction Query feature to identify all the changes made to your database within a specific time period. What is a prerequisite for using the Flashback Transaction Query feature?()
第5题:
第6题:
If you must enter water on which there is an oil fire, you should ______.
A.protect your life preserver by holding it above your head
B.enter the water on the windward side of the vessel
C.keep both hands in front of your face to break the water surface when diving head first
D.wear very light clothing
第7题:
第8题:
The ship is listing too much due to your faulty method in loading operation.You must keep her ______.
A.flat
B.up
C.upright
D.vertical
第9题:
第10题:
If you want to reset your configuration back to the factory defaults but keep your logs and reports,Which CLI command should you use?()