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OCP 11G認(rèn)證考試單項(xiàng)選擇題每日一練(2019.01.14)

單項(xiàng)選擇題
Examine the following RMAN command:RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON;RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which prerequisite must be met before accomplishing the backup?（）
A. Provide a password for the encryption
B. Set up an Oracle wallet for the encryption
C. No setup is required as it is a default encryption method
D. Both Oracle wallet and password must be set up for the encryption
單項(xiàng)選擇題
You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）
A.Restore and recover the datafile.
B.Restore and recover the tablespace.
C.Restore and recover the database.
D.Restore and recover the control file.
E.Restore and recover the parameter file.
單項(xiàng)選擇題
How many different calendars does Oracle 11g support?（）
A. 22
B. 7
C. 6
D. 15
E. 2
單項(xiàng)選擇題
If two windows overlap, which window attribute will determine whether one should be chosen over the other?（）
A. WINDOW_PRIORITY
B. PRIORITY
C. PRIORITY_LEVEL
D. WINDOW_PRIORITY_LEVEL
E. OVERLAP_RULE
單項(xiàng)選擇題
You create two resource plans, one for data warehouse loading jobs at night and the other for application jobs at day time. You want the resource plans to activate automatically so that the resource allocation is optimum as desired by the activity.How would you achieve this? （）
A.Implement job classes
B.Implement Scheduler windows
C.Implement the mapping rule for the consumer groups
D.Set the SWITCH_TIME resource plan directive for both the resource plans

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