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NEW QUESTION 1
You want to create a guaranteed restore point for your database by executing the command: SQL> CREATE RESTORE POINT dbrsp1 GUARANTEE FLASHBACK DATABASE;
Identify two prerequisites for the successful execution of this command.

  • A. The database must be running in archivelog mode.
  • B. Flashback Database must be enabled.
  • C. Fast Recovery Area must be enabled.
  • D. The recyclebin must be enabled for the database.
  • E. Undo retention guarantee must be enabled.
  • F. A database backup must be take

Answer: AC

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SQL> select flashback_on from v$database; FLASHBACK_ON
—————— NO
SQL> CREATE RESTORE POINT dbrsp1 GUARANTEE FLASHBACK DATABASE;
Restore point created. SQL> archive log list;
Database log mode Archive Mode Automatic archival Enabled
Archive destination USE_DB_RECOVERY_FILE_DEST Oldest online log sequence 113
Next log sequence to archive 115
Current log sequence 115 SQL>
http://docs.oracle.com/cd/B19306_01/backup.102/b14192/rpfbdb002.htm 2018-04-01T22:00:00.67<!--EndFragment-->

NEW QUESTION 2
Which statement is true regarding the creation of nested plans using the Oracle Resource Manager?

  • A. Only one nested subplan is allowed per parent plan
  • B. The plans can be nested up to four levels.
  • C. Nested plans only control resources used by recursive SQL
  • D. Nested plans control only the degree of parallelism and I/O requests
  • E. Each nested plan gets a proportion of the CPU resources assigned to its parent grou

Answer: E

NEW QUESTION 3
During the day, your database must support an OLTP workload that requires a large database buffer cache. At night, it must support batch jobs that require a higher value to be set for large pool.
What must you do to allow the memory pools to change size automatically as required? (Choose the best answer.)

  • A. Enable AMM and set the SGA_TARGET initialization parameter to a nonzero value.
  • B. Enable AMM and set the PRE_PAGE_SGA initialization to TRUE.
  • C. Enable Automatic Memory Management (AMM) and set the PGA_TARGET initialization parameter to a nonzero value.
  • D. Enable AMM and set the PGA_TARGET initialization parameter to a nonzero valu

Answer: B

NEW QUESTION 4
While performing database backup to tape via the media manager interface, you notice that tape streaming is not happening because RMAN is not sending data blocks fast enough to the tape drive. Which two actions would you take for tape streaming to happen during the backup?

  • A. Configure backup optimization.
  • B. Configure the channel to increase maxopenfiles.
  • C. Configure a backup policy by using incremental backups.
  • D. Configure the channel to increase capacity with the rate parameter.
  • E. Configure the channel to adjust the tape buffer size by using the 3LKSIZE option.
  • F. Configure large_pool, if not done alread
  • G. Alternatively, you can increase the size of
  • H. LARGE_POOL.

Answer: BE

Explanation: Allocation of Tape Buffers If you back up to or restore from an SBT device, then by default the database allocates four buffers for each channel for the tape writers. The size of the tape I/O buffers is platform-dependent. You can change this value with the PARMS and BLKSIZE parameters of the
ALLOCATE CHANNEL or CONFIGURE CHANNEL command. You can improve backup performance by adjusting the level of multiplexing, which is number of input files simultaneously read and then
written into the same RMAN backup piece. The level of multiplexing is the minimum of the MAXOPENFILES setting on the channel and the number of input files placed in each backup set. The following table makes recommendations for adjusting the level of multiplexing.

NEW QUESTION 5
You specified the warning and critical thresholds for a locally managed tablespace to be 60% and 70%, respectively.
From the tablespace space usage metrics, you find that the space usage has reached the specified warning threshold value, but no alerts have been generated.
What could be the reason for this?

  • A. The event parameter was not set.
  • B. The sql_trace parameter is set to false.
  • C. Enterprise Manager was not used.
  • D. The statistics_level parameter is set to basic.
  • E. The t:kid_statistics parameter is set to fals

Answer: D

Explanation: To enable the dbms_server_alert package functionality, set the statistical_level initialization parameter to TYPICAL or ALL.
http://www.dba-oracle.com/t_dbms_server_alert.htm

NEW QUESTION 6
You execute the commands on a multitenant container database CDB1 that has multiple pluggable databases:
$ . oraenv
ORACLE_SID = [oracle] ? cdb1
The oracle base for ORACLE_HOME=/u01/app/oracle/product/12.1.0/dbhome_1 is /u01/app/oracle
$ rman target /
Recovery Manager : Release 12.1.0.0.2 - production on Fri Ju1 19 05:18:33: 2013 Coppyright (c) 1982, 2013, oracle and/or its affiliates. All rights reserved. Connected to target database:CDB1 (DBID=782249327)
RMAN>SELECT name FROMv$tablespace;
Which statement is true about the execution of the last command?

  • A. It succeeds and displays all the tablespaces that belong to the root database.
  • B. It fails and returns an error because a connection is not made by using the sysdba privilege.
  • C. It succeeds and displays all the tablespaces that belong to the root and pluggable databases.
  • D. It fails and returns an error because SQL commands cannot be executed at the RMAN promp

Answer: C

NEW QUESTION 7
In CDB$ROOT of your multitenant container database (CDB), you create a common user, C##A_ADMIN, and then execute the command:
SQL> GRANT create tablespace to C##A_ADMIN; Which statement is true? (Choose the best answer.)

  • A. The command fails because the CONTAINER clause is not used.
  • B. The command executes successfully, enabling the C##A_ADMIN user to create a tablespace only in the root database.
  • C. The command executes successfully, enabling the C##A_ADMIN user to create tablespaces in the root database, as well as in the plugging databases (PDBs).
  • D. The command fails because system privileges cannot be granted to a common use

Answer: B

NEW QUESTION 8
Examine the commands executed to monitor database operations:
$> conn sys/oracle@prod as sysdba SQL> VAR eid NUMBER
SQL>EXEC :eid := DBMS_SQL_MONITOR.BEGlN_OPERATION('batch_job’,FORCED_TRACKING=>'Y');
Which two statements are true?

  • A. Database operations will be monitored only when they consume a significant amount of resource.
  • B. Database operations for all sessions will be monitored.
  • C. Database operations will be monitored only if the STATISTICS_LEVEL parameter is set to TYPICAL and CONTROL_MANAGEMENT_PACK_ACCESS is set DIAGNISTIC + TUNING.
  • D. Only DML and DDL statements will be monitored for the session.
  • E. All subsequent statements in the session will be treated as one database operation and will be monitored.

Answer: CE

Explanation: C: Setting the CONTROL_MANAGEMENT_PACK_ACCESS initialization parameter to DIAGNOSTIC+TUNING (default) enables monitoring of database operations. Real-Time SQL Monitoring is a feature of the Oracle Database Tuning Pack.
Note:
* The DBMS_SQL_MONITOR package provides information about Real-time SQL Monitoring and
Real-time Database Operation Monitoring.
*(not B) BEGIN_OPERATION Function starts a composite database operation in the current session.
/ (E) FORCE_TRACKING - forces the composite database operation to be tracked when the operation starts. You can also use the string variable 'Y'.
/ (not A) NO_FORCE_TRACKING - the operation will be tracked only when it has consumed at least 5 seconds of CPU or I/O time. You can also use the string variable 'N'.

NEW QUESTION 9
In your multitenant container database (CDB) that contains pluggable databases (PDBs), the hr user executes the following commands to create and grant privileges on a procedure:
CREATEORREPLACEPROCEDUREcreate_test_v(v_emp_idNUMBER,v_enameVARCHAR2,v_SALARYNU MBER,v_dept_idNUMBER)
BEGIN
INSERT INTO hr.test VALUES (v_emp_id, v_ename, v salary, v_dept_id); END;
/
GRANT EXECUTE ON CREATE_TEST TO John, jim, smith, king;
How can you prevent users having the execute privilege on the create_test_v procedure from inserting values into tables on which they do not have any privileges?

  • A. Create the create_test procedure with definer's rights.
  • B. Grant the execute privilege to users with grant option on the create_test procedure.
  • C. Create the create_test procedure with invoker's rights.
  • D. Create the create_test procedure as part of a package and grant users the execute privilege on the package.

Answer: C

Explanation: You can control access to privileges that are necessary to run user-created procedures by using definer’s rights, which execute with the privileges of the owner, or with invoker’s rights, which execute with the privileges of the user running the procedure.

NEW QUESTION 10
ENCRYPT_TS an encrypted tablespace that contains tables with data.
Which statement is true about queries and data manipulation language statements on these tables?

  • A. Queries may be performed on columns that have the NO SALT option.
  • B. Data remains encrypted when read into the buffer cache.
  • C. Redo generated by DML remains encrypted.
  • D. UNDO generated by DML remains encrypted if the UNDO tablespace is encrypted.
  • E. Data remains encrypted when read into the PGA for direct path read

Answer: C

NEW QUESTION 11
Your database is running in ARCHIVELOG mode. Complete database backups are performed daily at midnight. A user accidently truncates an important table at 10 AM after the last backup. After that, a few important transactions are performed on the database.
Which two best methods are performed the truncated table data? (Choose two.)

  • A. Table Point-in-Time Recovery.
  • B. Database Point-in-Time Recovery
  • C. Tablespace Point-in-Time Recovery
  • D. Flashback Database
  • E. Flashback Transaction Backout

Answer: CD

NEW QUESTION 12
In a database supporting an OLTP workload, tables are frequently updated on both key and nonkeycolumns. Reports are also generated by joining multiple tables.
Which table organization or type would provide the best performance for this hybrid workload?

  • A. heap table with a primary key index
  • B. external table
  • C. hash clustered table
  • D. global temporary table
  • E. index clustered table

Answer: E

Explanation: Do not cluster tables if the application joins them only occasionally or modifies their common column values frequently. Modifying a row’s cluster key value takes longer than modifying the value in an unclustered table, because Oracle might need to migrate the modified row to another block to maintain the cluster.
http://docs.oracle.com/cd/B28359_01/server.111/b28274/data_acc.htm#i7690

NEW QUESTION 13
Which three conditions must be true for unused block compression to be used automatically while performing backups by using RMAN?

  • A. The compatible initialization parameter is set to 10.2 or higher.
  • B. There are no guaranteed restore points defined for the database.
  • C. The default device for the backup must be set to disk.
  • D. The tablespaces are locally managed.
  • E. The fast recovery area is less than 50 percent fre

Answer: ABD

Explanation: About Unused Block Compression When employing unused block compression, RMAN skips reading, and backing up, any database blocks that are not currently allocated to some database object. This is regardless of whether those blocks had previously been allocated. So if a database table is dropped,
RMAN will not back up the space that was occupied by that table until new objects are created in that space. Unused block compression is used automatically when the following conditions are true:
-The COMPATIBLE initialization parameter is set to 10.2 or higher. -There are currently no guaranteed restore points defined for the database. -The data file is locally managed. -The data file is being
backed up to a backup set as part of a full backup or a level 0 incremental backup. -The backup set is created on disk, or Oracle Secure Backup is the media manager.
References: http://docs.oracle.com/database/121/BRADV/rcmcncpt.htm#BRADV89481

NEW QUESTION 14
You need to perform a block media recovery on the tools01.dbf data file in your database by using Recovery Manager (RMAN).
Which two are prerequisites for performing this operation? Choose two.

  • A. You must take the tools01.dbf data file offline.
  • B. You must ensure that the database is mounted or open.
  • C. You must use an incremental level-1 backup to restore blocks.
  • D. You must configure a block change tracking file.
  • E. You must have full or level-0 backups to restore block

Answer: BE

NEW QUESTION 15
Your multitenant container database (CDB) cdb1 that is running in archivelog mode contains two pluggable databases (PDBs), pdb2_1 and pdb2_2. RMAN is connected to the target database pdb2_1. Examine the command executed to back up pdb2_1:
RMAN> BACKUP DATABASE PLUS ARCHIVELOG;
Which statement is true about the execution of this command?

  • A. It fails because archive log files cannot be backed up using a connection to a PDB.
  • B. It succeeds but only the data files belonging to the pdb2_i pluggable database are backed up.
  • C. It succeeds and all data files belonging to PD2_i are backed up along with the archive log files.
  • D. It fails because the pluggable clause is missin

Answer: B

Explanation: Reference: http://docs.oracle.com/database/121/BRADV/rcmcnctg.htm#CEGCCEIE

NEW QUESTION 16
You are administering a multitenant container database (CDB) cdb1 that is running in archivelog mode and contains pluggable databases (PDBs), pdb_1 and pdb_2.
While opening pdb_1, you get an error: SQL> alter pluggable database pdb_1 open;
ORA-01157: cannot identify/lock data file 11-see DBWR trace file
ORA-01110:data file 11:'/u01/app/oracle/oradata/cdb1/pcb_1/example01.dbf'
To repair the failure, you open an RMAN session for the target database CDB$ROOT. You execute the following as the first command:
RMAN>REPAIR FAILURE;
Which statement describes the consequence of the command?

  • A. The command performs the recovery and closes the failure.
  • B. The command produces an error because RMAN is not connected to the target database pdb_1.
  • C. The command produces an error because the advise failure command was not executed before the REPAIR FAILURE command.
  • D. The command executes successfully, performs recovery, and opens PDB_1.

Answer: C

Explanation: Usage Notes Repairs are consolidated whenever possible so that a single repair can fix multiple
failures. Be advised that REPAIR FAILURE requires you to explicitly run ADVISE FAILURE in the current session to successfully repair each of the identified failures. You typically iterate through a REPAIR
session with the following commands: -REPAIR FAILURE; -LIST FAILURE; -ADVISE FAILURE; -REPAIR
FAILURE;
http://docs.oracle.com/database/121/RCMRF/rcmsynta2004.htm#RCMRF199

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