1Z0-052 | how many questions of 1Z0-052 braindumps?
Q111. View the Exhibit and examine the output.
Which two statements are true regarding the LISTENER2 listener? (Choose two.)
A. The ORCL instance is registered dynamically with the listener.
B. The ORCL instance is registered statically in the listener.ora file.
C. The number of current client connections handled by the service handler is two.
D. The total number of client connections handled so far by the service handler is two.
Answer: BD
Q112. Which statements are true regarding the creation of an incident package file by using the EM Workbench Support? (Choose all that apply.)
A. You can add SQL test cases to the incident package.
B. You can add or remove the trace files to the package.
C. You cannot create an incremental incident package when the physical files are purged from the ADR.
D. You can create the incremental incident package ZIP file for new or modified diagnostic information for the incident package already created.
Answer: ABD
Q113. 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
Q114. You want to access employee details contained in flat files as part of the EMPLOYEE table. You plan to add a new column to the EMPLOYEE table to achieve this.
Which data types would you use for the new column?
A. CLOB
B. BLOB
C. BFILE
D. LONG RAW
Answer: C
Q115. Identify the memory component from which memory may be allocated for:
Session memory for the shared serverBuffers for I/O slavesOracle 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
Q116. View the Exhibit and examine the setting for a table.
Which statement is true about the PCTFREE setting for the table?
A. It sets the minimum percentage of a data block to be reserved to contain chained rows from other blocks.
B. It sets the minimum percentage of a data block to be reserved as free space before the server prevents inserts into the block.
C. It sets the minimum percentage of a data block to be reserved to contain the bitmap used to maintain the free block information.
D. It sets the minimum percentage of a block that can be used for row data plus overhead before new rows are added to the block.
Answer: B
Q117. Examine the following output:
Which two statements about the above index are true? (Choose two.)
A. It is ignored by the query optimizer.
B. It is not used while the index is being rebuilt.
C. The index cannot be rebuilt, and has to be re-created.
D. The index is automatically rebuilt when used the next time.
Answer: AB
Q118. Examine the following steps performed on a database instance:
1. The DBA grants the CREATE TABLE system privilege to the SKD user with ADMIN OPTION
2. The SKD user creates a table
3. The SKD user grants the CREATE TABLE system privilege to the HR user
4. The HR user creates a table
5. The DBA revokes the CREATE TABLE system privilege from SKD
Which statement is true after step 5 is performed?
A. The table created by SKD is not accessible and SKD cannot create new tables
B. The tables created by SKD and HR remain, but both cannot create new tables
C. The table created by HR remains and HR still has the CREATE TABLE system privilege
D. The table created by HR remains and HR can grant the CREATE TABLE system privilege to other users
Answer: C
Q119. Which two statements are true about alerts? (Choose two.)
A. Clearing an alert sends the alert to the alert history
B. Response actions cannot be specified with server-generated alerts
C. The nonthreshold alerts appear in the DBA_OUTSTANDING_ALERTS view
D. Server-generated alerts notify the problems that cannot be resolved automatically and require administrators to be notified
Answer: AD
Q120. The job to gather optimizer statistics for objects runs as part of the automatic maintenance window in your database instance. At a certain point of time, the maintenance window closes before the statistics are gathered for all objects.
Which statement is true in this scenario?
A. The statistics collection continues until all objects are processed.
B. The job is terminated and the statistics collected are restored to a time before the job started.
C. This produces an error and the statistics collected are locked until the next time that the maintenance window is opened.
D. The job is terminated and the statistics for the remaining objects are collected the next time that the maintenance window is opened.
Answer: D