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NO.1 View the Exhibit and examine the attributes of an undo tablespace.
In an OLTP system, the user SCOTT has started a query on a large table in the peak transactional hour
that performs bulk inserts. The query runs for more than 15 minutes and then SCOTT receives the
following error:
ORA-01555: snapshot too old
What could be the reason for this error?
A.The query is unable to get a read-consistent image.
B.There is not enough space in Flash Recovery Area.
C.There is not enough free space in the flashback archive.
D.The query is unable to place data blocks in undo tablespace
Answer: A
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NO.2 Identify the memory component from which memory may be allocated for:
1. Session memory for the shared server
2: Buffers for I/O slaves
3: Oracle Database Recovery Manager (RMAN) backup and restore operations
A.Large Pool
B.Redo Log Buffer
C.Database Buffer Cache
D.Program Global Area (PGA)
Answer: A
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NO.3 Which two statements are true about the Automatic Workload Repository (AWR)? (Choose two.)
A.All AWR tables belong to the SYSTEM schema.
B.The AWR contains systemwide tracing and logging information.
C.The snapshots collected by the AWR are accessible through data dictionary views.
D.The snapshots collected by the AWR are used by self-tuning components in the database.
Answer: CD
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NO.4 Which two statements about the background process of the database writer are true? (Choose two.)
A.It is possible to have multiple database writers in an Oracle instance.
B.It writes dirty buffers, if any, to data files whenever a checkpoint occurs.
C.It writes dirty buffers, if any, to data files whenever a transaction commits.
D.It writes dirty buffers, if any, to data files before the log writer (LGWR) writes.
Answer: AB
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NO.5 You have issued a SHUTDOWN ABORT command to bring down your database instance. Consider
the steps that will be performed later when you open the database:
1. SGA is allocated.
2: Control file is read.
3: Redo log files are read.
4: Instance recovery is started.
5: Background processes are started.
6: Data files are checked for consistency.
7: Server parameter file or the initialization parameter file is read.
Which option has the correct order in which these steps occur?
A.7, 1, 5, 2, 3, 6, 4
B.1, 2, 3,7, 5, 6, 4
C.7, 1, 4, 5, 2, 3, 6
D.1, 7, 5, 4, 2, 3, 6
Answer: A
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NO.6 These are points that describe the contents of different memory components:
1. Descriptive information or metadata about schema objects that are queried by using SQL statements
2: The run-time area for data manipulation language (DML) or data definition language (DDL) statements
3: Results of SQL queries and PL/SQL functions
4: Executable forms of SQL cursors, PL/SQL programs, and Java classes
5: The information necessary to reconstruct changes made to the database by a transaction
Which of these will be stored in the Shared Pool if the necessary configurations are done?
A.1 and 2
B.2 and 5
C.1, 3, and 4
D.3, 4, and 5
E.1, 2, 3, and 4
Answer: C
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NO.7 View the Exhibit and examine the privileges granted to the SL_REP user.
The EMP table is owned by the SCOTT user. The SL_REP user executes the following command:
SQL> GRANT SELECT ON scott.emp TO hr;
Which statement describes the outcome of the command?
A.The command executes successfully.
B.The command produces an error because the EMP table is owned by SCOTT.
C.The command produces an error because SL_REP has the GRANT ANY OBJECT PRIVILEGE without
ADMIN_OPTION.
D.The command produces an error because SL_REP does not have the SELECT privilege with
GRANT_OPTION on the EMP table.
Answer: A
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NO.8 While observing the index statistics, you find that an index is highly fragmented, thereby resulting in
poor database performance. Which option would you use to reduce fragmentation without affecting the
users who are currently using the index?
A.Validate the index structure using the ANALYZE...INDEX command.
B.Rebuild the index using the ALTER INDEX..REBUILD ONLINE command.
C.Change the block space utilization parameters using the ALTER INDEX command.
D.Deallocate the unused space in the index using the ALTER INDEX..DEALLOCATE UNUSED command.
Answer: B
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