You observe that the senior database administrator always uses the following command when connecting to Recovery Manager (RMAN), and then starts executing commands to backup the database files: % rman target / What would be the effect of this command?()
第1题:
You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn.If you observe the buoy moving aft relative to you,what should you do ________.
A.Increase the rate of turn
B.Decrease the rate of turn
C.Maintain a constant rate of turn
D.Decrease speed
第2题:
In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should ______.
A.stop your engines
B.sound the danger signal at two-minute intervals
C.hold course and speed until the other vessel is sighted
D.take avoiding action as soon as possible
第3题:
A. temperature
B. pulse
C. blood pressure
D. respiration
第4题:
If you observe more closely, Margaret is()of the two girls.
第5题:
第6题:
If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon ______.
A.The center of the storm will by-pass you
B.The storm will strike you on the starboard side
C.You are in the direct path of the storm and should take immediate steps to batten down loose gear
D.The storm is starting to break up
第7题:
In order to detect rot in manila lines, you should ______.
A.feel the surface of the line for broken fibers
B.measure the reduction in circumference of the line
C.observe any mildew on the outer surface
D.open the strands and examine the inner fibers
第8题:
You are entering port and have been instructed to anchor,as your berth is not yet available.You are on a SW'ly heading,preparing to drop anchor,when you observe the range lights as shown on your starboard beam.You should ______.
A.not drop the anchor until the lights are in line
B.ensure your ship will NOT block the channel or obstruct the range while at anchor
C.drop the anchor immediately as the range lights mark an area free of obstructions
D.drop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor
第9题:
If you observe more closely, Margaret is()of the two girls.
Athe taller
Btaller
Cthe tallest
Dtallest
第10题:
You need to troubleshoot an issue on the switched LAN. When you issue a command "show port3/1" on a switch, you observe the Giants column has a non-zero entry. What could cause this?()