单项选择题

You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state？（）

A.renaming the control files
B.dropping a user in your database
C.enabling or disabling redo log archiving
D.dropping a tablespace in your database
E.re-creating the control files， after you lost all the control files in your database

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单项选择题

When you try to open your database， you receive the following error：
ORA-00205： error in identifying controlfile
Where would you find the details required to resolve this error？（）

A.audit trail
B.alert log file
C.user trace file
D.online trace file
E.background trace file
F.operating system event viewer

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User SCOTT wants to export his objects using Oracle Data Pump and executes the following command： $ expdp scott/tiger
directory = EXPORT_DIR
dumpfile = scott.dmp include = table
include = view："like ’%DEPARTMENTS%’"
content = DATA_ONLY
Which task would the command accomplish？（）

A.A
B.B
C.C
D.D
E.E

单项选择题

Users complain about the slow response time of queries. While investigating the cause you find that the Oracle Instance is not configured to cache all of the data blocks to satisfy the users’queries. Which component of the Oracle Instance would you change to improve performance？（）

A.Java pool
B.Large pool
C.Shared pool
D.Streams pool
E.Library cache
F.Redo log buffer
G.Data dictionary cache
H.Database buffer cache