empty
fully ballasted
partially ballasted
sealed
第1题：
When commencing cargo operations on a container ship，one cell at a hatch is generally discharged completely (to the bottom of the ship) before removing any containers from the adjoining cells to ______.
A.remove an existing list that would slow down cargo operations
B.initiate loading in conjunction with unloading at the hatch
C.improve stability during cargo operations
D.allow longshoremen easy access to the hatch
第2题：
After jacking down your liftboat you have an unexpected list．You find that the only cause of this list must be a flooded leg．Raising the flooded leg further would adversely affect the boats stability by ______．
A.Raising the KG and increasing the draft which may put you in an unsafe operating condition
B.Increasing GM and causing a fast roll
C.Increasing the righting arm on the high side
D.Causing the vessel to yaw when underway
第3题：
Ropes of wires attached to derricks to prevent them from swinging during cargo handling operations are ______.
A.Preventers
B.Side ropes
C.Stays
D.Guide lines
第4题：
remove an existing list that would slow down cargo operations
initiate loading in conjunction with unloading at the hatch
improve stability during cargo operations
allow longshoremen easy access to the hatch
第5题：
Which statements are true regarding table compression？（）
第6题：
Which safety precaution（s）should be observed during crane operations ________．
A.Checking for proper lifting from beneath the load during cargo operations
B.Using the proper slings or other lifting devices during cargo operations
C.Relaying communications to port agents on the pier during cargo hoists
D.All of the above
第7题：
Which statements are true regarding the Oracle Data Pump export and import operations（）
第8题：
View the Exhibit for some of the parameter settings. You start a session and issue the following command:SQL>CREATE INDEX emp_ename ON emp(ename) TABLESPACE users INVISIBLE;What is the outcome of the above command?（）
A. The index is not used by the optimizer but is maintained during DML operations.
B. The index is not used by the optimizer and is not maintained during DML operations.
C. The index is used by the optimizer only if a hint is specified in the query statement and is maintained during DML operations.
D. The index is used by the optimizer only if a hint is specified in the query statement but is not maintained during DML operations.
第9题：
It saves disk space and reduces memory usage.
It saves disk space but has no effect on memory usage.
It incurs extra CPU overhead during DML as well as direct loading operations.
It incurs extra CPU overhead during DML but not direct loading operations.
It requires uncompress operation during I/O.
第10题：
committing a transaction
rolling back a transaction
recovering from failed transactions
recording a transaction to redo log files
rolling forward during instance recovery