单选题You are peer reviewing a fellow DBAs backup plan for his NOARCHIVELOG mode database， as shown here： Put the tablespaces in backup mode. Back up the datafiles for all tablespaces. Take the tablespaces out of backup mode. Back up all archived redo logs. Your colleague asks for you to comment on his plan. Which response would be correct？（）A The plan will work as is.B The plan needs to be modified to allow for an archive-log switch after step 3.C The plan needs to be modified so that a backup of the archived redo logs occurs before step 1.D The plan needs to be adjusted to shut down the database after step 1 and to restart the database after step 2.E The plan cannot work as presented.
单选题
You are peer reviewing a fellow DBAs backup plan for his NOARCHIVELOG mode database， as shown here： Put the tablespaces in backup mode. Back up the datafiles for all tablespaces. Take the tablespaces out of backup mode. Back up all archived redo logs. Your colleague asks for you to comment on his plan. Which response would be correct？（）
A
The plan will work as is.
B
The plan needs to be modified to allow for an archive-log switch after step 3.
C
The plan needs to be modified so that a backup of the archived redo logs occurs before step 1.
D
The plan needs to be adjusted to shut down the database after step 1 and to restart the database after step 2.
E
The plan cannot work as presented.
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根据下列内容，回答191-195题。Building a house costs quite a lot of money. Suppose you plan to build a house. Your first stepwill be to find a right piece of land. Your choice will depend on many different things. You willprobably try to find a sunny place, with pleasant surroundings near shops and bus stops, not toofar from your friends and the place where you work.Next you will find a good builder, and together with the builder you will work out a plan. Thebuilder will draw the plan. It will show the number of rooms, their position and size, and otherparts, which must be noticed, such as windows, doors, and electric outlets. The builder will workout how much money is needed to build your house. He will work out the cost of the wood, bricks,the glass, and everything else that must be used in building the house. Later on, when he starts tobuild, this estimate must be corrected and revised. His estimate is based on existing prices, butprices of such things may change, and many other things may happen between the time when hemakes the estimate and the time when he builds the house.When the builder gives his estimate, you may wish to change your plan.(You may also wish tochange your builder, if his estimate is too high! ) You may find that the house you wanted at firstcosts too much, or that you can spend a little more and add something to your plan. The builder'sestimate depends on the plan, but the final plan depends on the builder's estimate.The best title of this passage isA.Building a House Costs Much MoneyB.Estimate Is ImportantC.Planning a HouseD.Depend on the Builder
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