OracleDBA有关回滚段管理试题精选Oracle认证考试

文章作者 100test 发表时间 2009:04:29 22:02:10
来源 100Test.Com百考试题网

Q. 1 : What system privilege is required to create a rollback segment ?

1. Create database

2. Create rollback segment

3. Alter database

4. Create segment

KEY:2

Q. 2 : Oracle recommends this number of minimum extents in a rollback segment

1. 0

2. 1

3. 2

4. 3

KEY:3

Q. 3 : Oracle recommends that the following segment size when creating a rollback segment

1. INITIAL >. NEXT

2. INITIAL = NEXT

3. INITIAL <. NEXT

4. NONE OF THE ABOVE 　

KEY:2 　　

Q. 4 : The OPTIMAL parameter for a rollback segment should be set

1. large for long-frequently running transactions, small for short transactions.

2. small for long-frequently running transactions, large for small transactions.

3. small for all transactions

4. large for all transactions

KEY:1

Q. 5 : In case of system failure, This type of segment is used to undo the changes

1. Data Segment

2. Temp Segment

3. Redo Segment

4. Rollback Segment