Oracle 1Z0-067 Free Practice Questions

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NEW QUESTION 1
Examine the commands executed in CDBS ROOT of your multitenant container database (CDB) that has multiple pluggable databases (PDB):
SQL> CREATE ROLE c ##role1 CONTAINER-ALL;
SQL> GRANT CREATE SESSION, CREATE TABLE TO c##role1 CONTAINER'ALL; SQL>CREATE USER c##adnin IDENTIFIED BY orcl123;
SQL>GRANT c##role1 TO c##admin CONTAINER=ALL;
SQL> GRANT SELECT ON DBA_USERS to c##rola1 CONTAINER*ALL;
Which statement is true about granting the select privilege on the DBA_users view to the c##ROLE1role?

A. The command fails and gives an error because object privileges cannot be granted to a common user.
B. The command fails because container is not set to current.
C. The command succeeds and the common user cmadnxn can create a session and query the D3A_users view in cdbssoo? and all the PDBs.
D. The command succeeds and the common user ct (admin can create a session in cdbSroot and all the PDBs, but can only query the dba_users view in ct3S?cdt.
E. The command succeeds and the common user c#(admin can create a session and query the D3A users view only in cdbsrooi.

Answer: C

NEW QUESTION 2
Which three RMAN persistent settings can be set for a database?

A. backup retention policy
B. default backup device type
C. default section size for backups
D. default destinations for backups
E. multiple backup device types for a single backup

Answer: ABD

Explanation: http://docs.oracle.com/cd/B19306_01/backup.102/b14192/setup004.htm#i1019739 To simplify
ongoing use of RMAN, you can set several persistent configuration settings for each target database. These settings control many aspects of RMAN behavior. For example, you can configure the backup retention policy, default destinations for backups, default backup device type, and so on. You can use the SHOW and CONFIGURE commands to view and change RMAN configurations.

NEW QUESTION 3
Which four tablespace types can be renamed? Choose four.

A. the default permanent tablespace
B. the SYSTEM tablespace
C. a temporary tablespace
D. a read-only tablespace
E. an offline tablespace
F. an undo tablespace

Answer: ACDF

NEW QUESTION 4
You use RMAN to take regular backups for your database. Examine the RMAN commands:
RMAN> CROSSCHECK BACKUP; RMAN> DELETE EXPIRED BACKUP;
Which statement is true?

A. All metadata pertaining to backups and archived redo log files that have exceeded the age set by the RMAN retention policy are deleted from the repository.
B. All backups that have exceeded the age set by the RMAN retention policy are deleted.
C. All metadata, for backups and archived redo log files that are recorded in the repository but do not exist on disk or media, is deleted.
D. All backups and archived redo log files that are not required for the recovery are deleted and the repository is updated.

Answer: C

NEW QUESTION 5
Which three statements are true about persistent lightweight jobs?

A. A user cannot set privileges on them.
B. They generate large amounts of metadata.
C. They may be created as fully self-contained jobs.
D. They must reference an existing Scheduler Program.
E. The are useful when users need to create a large number of jobs quickl

Answer: ADE

Explanation: Unlike regular jobs, they are not schema objects. Because lightweight jobs are not schema objects, you cannot grant privileges on them. A lightweight job inherits privileges from its specified program. Thus, any user who has a certain set of privileges on the program has corresponding privileges on the lightweight job. Use lightweight jobs when you have many short-duration jobs that run frequently. Under certain circumstances, using lightweight jobs can deliver a small performance gain. A lightweight job must reference a program object (program) to specify a job action. The program must be already enabled when the lightweight job is created, and the program type must be either ‘PLSQL_BLOCK’ or ‘STORED_PROCEDURE’.
http://docs.oracle.com/database/121/ADMIN/schedover.htm#ADMIN12668

NEW QUESTION 6
You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference.
Which method or feature should you use?

A. Compare Period ADDM report
B. AWR Compare Period report
C. Active Session History (ASH) report
D. taking a new snapshot and comparing it with a preserved snapshot

Answer: B

Explanation: Comparing Current System Performance to a Baseline Period You may have noticed a performance change on a production system and would like to know why, or you may have implemented a change to a production system and want to know the effect of the change, such as increased concurrency waits. The Compare Period ADDM compares the performance of the database server in two time periods, and returns a report describing the performance changes and the root origin of the changes.
The Advisor can analyze any Oracle RDBMS version 10.2.0.4 or later monitored by Cloud Control. The following procedure explains how to initiate a report from the Compare Period ADDM.

NEW QUESTION 7
You are administering a multitenant container database (CDB) cdb1. Examine the command and its output:
SQL>show parameterfile NAMETYPEVALUE
-----------------------------------------------------------------------
db_create_file_deststring db_file_name_convertstring db_filesinteger200
You verify that sufficient disk space is available and that no file currently exists in the ‘/u0l/app/oracle/oradata/cdb1/salesdb' location.
You plan to create a new pluggable database (PDB) by using the command: SQL>CREATEPLUGGABLEDATABASESALESPDB
ADMINUSERsalesadmIDENTIFIED 3Y password ROLES=(dba)
DEFAULTTABLESPACEsales
DATAFILE' /u01/app/oracle/oradata/cdb1/salesdb/sales01 .dbf’SIZE 250M AUTOEXTEND ON FILE_NAME_CONVERT=(‘/u01/app/oracle/oradata/cdb1/pdbseed/', '/u01/app/oracle/oradata/cdb1/salesdb/')
STORAGE(MAXSIZE2G)
PATK_PREFIX='/u01/app/oracle/oradata/cdb1/SALESPDB'; Which statement is true?

A. SALESPDB is created and is in mount state.
B. PDB creation fails because the D3_file_name_convert parameter is not set in the CDB.
C. SALESPDB is created and is in read/write mode.
D. PDB creation fails because a default temporary tablespace is not defined for SALESPD

Answer: A

Explanation: We need seed tablespace to create new plugable db.
/u01/app/oracle/oradata/orcl/pdbseed/sysaux01.dbf
/u01/app/oracle/oradata/orcl/pdbseed/system01.dbf By default. Seed has two tbs.

NEW QUESTION 8
You create two Resource Manager plans, one for night time workloads, the other for day time.
How would you make the plans switch automatically?

A. Use job classes.
B. Use scheduler windows.
C. Use the mapping rule for the consumer groups.
D. Set the switch_time plan directive for both plans.
E. Use scheduler schedule

Answer: B

Explanation: The resource manager is only activated when a default resource plan is assigned. Only one resource plan can be active at any given time. Resource plan switches can be automated using scheduler windows or performed manually by setting the resource_manager_plan parameter using the alter system command as shown below.
http://www.dba-oracle.com/job_scheduling/resource_manager_plan.htm

NEW QUESTION 9
The CATDBI2c database contains an Oracle Database 12c catalog schema owned by the rc12c user. The CATDB11 database contains an Oracle Database l1g catalog schema owned by the RC11 user. A database with DBID=1423241 is registered in the CATDB11 catalog. Both the recovery catalog databases are open.
In the CATDB12c database, you execute the commands: Srman
RMAN> CONNECT CATALOG rc12c/pass12c@catdbI2c
RMAN> IMPOST CATALOG rc1l/pwdcatl11@catdbl1 DBID=I423241; What is the outcome of the import?

A. It fails because the target database and recovery catalog database are of different versions.
B. It succeeds and all global scripts in the RC11 catalog that have the same name as existing global scripts in the RC12C catalog are automatically renamed.
C. It succeeds but the database is not automatically registered in the Rc12c catalog.
D. It fails because RMAN is not connected to the target database with DBID=1423241.

Answer: A

Explanation: The version of the source recovery catalog schema must be equal to the current version of the destination recovery catalog schem
A. If they are not equal, then upgrade the schemas to the same version.
https://docs.oracle.com/database/121/RCMRF/rcmsynta026.htm#RCMRF198

NEW QUESTION 10
You plan to migrate a production database to Real Application Clusters (RAC).
You created a test RAC database by cloning the production database and plan to replay a workload, captured from the production database.
Examine these steps:
1) Preprocess the captured workload.
2) Restart the database instance in RESTRICTED mode.
3) Set up Replay Clients.
4) Restore the test database to the point when the capture started on the production database.
5) Remap connections.
Which is the correct sequence of required steps?

A. 1, 4, 3, 5
B. 1, 4, 5, 3
C. 2, 1, 5, 3, 4
D. 1, 2, 4, 5, 3

Answer: A

NEW QUESTION 11
You want the execution of large database operations to suspend, and then resume, in the event of space allocation failures.
You set the value of the initialization parameter resumable_timeout to 3600. Which two statements are true?

A. A resumable statement can be suspended and resumed only once during execution.
B. Data Manipulation Language (DML) operations are resumable, provided that they are not embedded in a PL/SQL block.
C. A suspended statement will report an error if no corrective action has taken place during a timeout period.
D. Before a statement executes in resumable mode, the alter session enable resumable statement must be issued in its session.
E. Suspending a statement automatically results in suspending a transaction and releasing all the resources held by the transaction.

Answer: CD

NEW QUESTION 12
Your Oracle 12c multitenant container database (CDB) contains multiple pluggable databases (PDBs). In the PDB hr_pdb, the common user c##admin and the local user b_admin have only the connect privilege.
You create a common role c##role1 with the create table and select any table privileges. You then execute the commands:
SQL> GRANTc##role1 TOcMadmin CONTAINER=ALL;
SQL>CONNsys/oracle@HR_PDB assysdba
SQL> GRANTc##role1TO b_admin CONTAINER=CURRENT;
Which two statements are true?

A. C##admin can create and select any table, and grant the c##role1 role to users only in the root container.
B. B_admin can create and select any table in both the root container and kr_pdb.
C. c##admin can create and select any table in the root container and all the PDBs.
D. B_admin can create and select any table only in hr_pdb.
E. The grant c=»role1 to b_admin command returns an error because container should be set to AL

Answer: CD

NEW QUESTION 13
You notice performance degradation in your production Oracle 12c database. You want to know what caused this performance difference.
Which method or feature should you use?

A. Database Replay
B. Automatic Database Diagnostic Monitor (ADDM) Compare Period report
C. Active Session History (ASH) report
D. SQL Performance Analyzer

Answer: B

Explanation: References: http://docs.oracle.com/cd/E24628_01/server.121/e17635/tdppt_degrade.htm

NEW QUESTION 14
A database is running in archive log mode. The database contains locally managed tablespaces. Examine the RMAN command:
RMAN> BACKUP
AS COMPRESSED BACKUPSET SECTION SIZE 1024M DATABASE;
Which statement is true about the execution of the command?

A. The backup succeeds only if all the tablespaces are locally managed.
B. The backup succeeds only if the RMAN default device for backup is set to disk.
C. The backup fails because you cannot specify section size for a compressed backup.
D. The backup succeeds and only the used blocks are backed up with a maximum backup piece size of 1024 MB.

Answer: D

Explanation: 2021-04-01T21:58:00.47
2021-04-01T21:58:00.48
2021-04-01T21:58:00.51
2021-04-01T21:58:00.52
2021-04-01T21:58:00.52
COMPRESSED enables binary compression.
RMAN compresses the data written into the backup set to reduce the overall size of the backup set. All backups that create backup sets can create compressed backup sets. Restoring compressed backup sets is no different from restoring uncompressed backup sets.
RMAN applies a binary compression algorithm as it writes data to backup sets. This compression is similar to the compression provided by many media manager vendors. When backing up to a locally attached tape device, compression provided by the media management vendor is usually preferable to the binary compression provided by BACKUP AS COMPRESSED BACKUPSET.
Therefore, use uncompressed backup sets and turn on the compression provided by the media management vendor when backing up to locally attached tape devices. You should not use RMAN binary compression andmedia manager compression together.
Some CPU overhead is associated with compressing backup sets. If the target database is running at or near its maximum load, then you may find the overhead unacceptable. In most other circumstances, compressing backup sets saves enough disk space to be worth the CPU overhead.
SECTION SIZE sizeSpec Specifies the size of each backup section produced during a data file backup. By setting this parameter, RMAN can create a multisection backup. In a multisection backup, RMAN creates a backup piece that contains one file section, which is a contiguous range of blocks in a file. All sections of a multisection backup are the same size. You can create a multisection backup for a data file, but not a data file copy.
File sections enable RMAN to create multiple steps for the backup of a single large data file. RMAN channels can process each step independently and in parallel, with each channel producing one section of a multisection backup set.
If you specify a section size that is larger than the size of the file, then RMAN does not use multisection backup for the file. If you specify a small section size that would produce more than 256 sections, then RMAN increases the section size to a value that results in exactly 256 sections. Depending on where you specify this parameter in the RMAN syntax, you can specify different section sizes for different files in the same backup job.
Note: You cannot use SECTION SIZE with MAXPIECESIZE or with INCREMENTAL LEVEL 1.2021-04- 01T21:58:00.52

NEW QUESTION 15
Examine the backup requirement for your company:
1) Every Sunday, a backup of all used data file blocks is performed.
2) Every Wednesday and Friday, a backup of all the changed blocks since last Sunday's backup is performed.
3) On all the other days, a backup of only the changed blocks since the last day's backup is performed.
Which backup strategy satisfies the requirements?

A. level 0 backup on Sunday, cumulative incremental backup on Wednesday and Friday, and differential incremental level 1 backup on all the other days
B. level 0 backup on Sunday, differential incremental backup on Wednesday and Friday, and cumulative incremental level 1 backup on all the other days
C. full database backup on Sunday, level 0 backup on Wednesday and Friday, and cumulative incremental level 1 backup on all the other days
D. full database backup on Sunday, level 0 backup on Wednesday and Friday, and differential incremental level 1 backup on all the other days

Answer: A

Explanation: Multilevel Incremental Backups RMAN can create multilevel incremental backups. Each incremental level is denoted by a value of 0 or 1. A level 0 incremental backup, which is the base for subsequent incremental backups, copies all blocks containing dat
A. You can create a level 0 database backup as
backup sets or image copies. The only difference between a level 0 incremental backup and a full backup is that a full backup is never included in an incremental strategy. Thus, an incremental level 0 backup is a full backup that happens to be the parent of incremental backups whose level is greater than 0. A level 1 incremental backup can be either of the following types: A differential incremental backup, which backs up all blocks changed after the most recent incremental backup at level 1 or 0. A cumulative incremental backup, which backs up all blocks changed after the most recent incremental backup at level 0. Incremental backups are differential by default.

NEW QUESTION 16
You are administering a multitenant container database (CDB) cdb1 that has multiple pluggable databases (PDBs). As the sys user on cdb$root, you execute the commands:
SQL> CREATE USER C##ADMIN IDENTIFIED BY orc1123;
SQL> GRANT CREATE SESSION to C##ADMIN CONTAINER=ALL; SQL> GRANT CREATE USER TO C##ADMIN CONTAINER=ALL;
Which two statements are true about the c##admin user that is created in all PDBs?

A. It can create only local users in all the PDBs.
B. It has a common schema for all the PDBs.
C. It can create common users only when it is logged in to the CDB.
D. It can create only local users in the CDB.
E. It can be granted only common roles in the PDBs.

Answer: BC

NEW QUESTION 17
You notice that the performance of your production 24/7 Oracle 12c database has significantly degraded. Sometimes you are not able to connect to the instance because it hangs. You do not want to restart the database instance.
How can you detect the cause of the degraded performance?

A. Enable Memory Access Mode, which reads performance data from SGA.
B. Use emergency monitoring to fetch data directly from SGA for analysis.
C. Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.
D. Use Active Session History (ASH) data and hang analysis in regular performance monitoring,
E. Run ADDM in diagnostic mod

Answer: B

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Oracle 1Z0-067 Free Practice Questions