1Z0-083 LATEST EXAM PATTERN & 1Z0-083 RELIABLE TEST TOPICS

1Z0-083 Latest Exam Pattern & 1Z0-083 Reliable Test Topics

1Z0-083 Latest Exam Pattern & 1Z0-083 Reliable Test Topics

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Oracle Database Administration II Sample Questions (Q12-Q17):

NEW QUESTION # 12
Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases? (Choose two.)

  • A. A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems.
  • B. A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems.
  • C. A snapshot copy PDB can be created from a stand-alone clone PDB.
  • D. A PDB snapshot is always a sparse copy of the source PDB.
  • E. A PDB snapshot is always a full copy of the source PDB.
  • F. A snapshot copy PDB depends on a storage snapshot which can be stored on any file system.
  • G. A PDB snapshot depends on a storage snapshot which can be stored on any file system.

Answer: A,C

Explanation:
G:
https://docs.oracle.com/en/database/oracle/oracle-database/18/multi/cloning-a-pdb.html#GUID- F26C8A55-2465-475A-905A-83BD2E68AE6E and then create a SNAPSHOT COPY PDB from the standalone PDB.
C:
Storage requirements depend on the setting of the CLONEDB initialization parameter:
CLONEDB=FALSE
The underlying file system for the source PDB files must support storage snapshots. Such file systems include Oracle Automatic Storage Management Cluster File System (Oracle ACFS) and Direct NFS Client storage. Oracle Exadata supports snapshot copy functionality on ASM configured with sparse ASM grid disks.
CLONEDB=TRUE
The underlying file system for the source PDB files can be any local file system, network file system (NFS), or clustered file system that has Direct NFS enabled and supports sparse files.
Most UNIX systems meet these requirements, including Oracle ACFS and ZFS. However, when CLONEDB=TRUE, the source PDB must remain in open read-only mode when clones exist.


NEW QUESTION # 13
Examine these actions:
1. Create a new database for a recovery catalog.
2. Create a tablespace with sufficient space in the catalog database for the recovery catalog.
3. Configure ARCHIVELOGmode for the catalog database.
4. Create a user to own the recovery catalog schema with quota on the tablespace that will contain the catalog.
5. Grant the RECOVERY_CATALOG_OWNERrole to the recovery catalog schema owner.
6. Grant the SYSBACKUP privilege to the recovery catalog schema owner.
Which are the minimum actions that must be performed before executing the CREATE CATALOG command?

  • A. 2, 4, 5, 6
  • B. 1, 2, 3, 4, 5, 6
  • C. 1, 3, 4, 5
  • D. 2, 4, 5
  • E. 1, 2, 4, 5

Answer: D

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/rcmrf/CREATE- CATALOG.html#GUID-9CFE47C7-2273-48C4-8056-6A4042AF3CDC Examples Example 2-70 Creating a Recovery Catalog and Registering a Database Assume that you start SQL*Plus and connect to the recovery catalog catdb with administrator privileges. You execute the CREATE USER statement as follows, replacing password with a user-specified password (see Oracle Database Security Guide for information on creating secure passwords). The SQL statement creates a user rco in database catdb and grant the rco user the RECOVERY_CATALOG_OWNER role.
SQL> CREATE USER rco IDENTIFIED BY password
2 DEFAULT TABLESPACE cattbs
3 QUOTA UNLIMITED ON cattbs;
SQL> GRANT recovery_catalog_owner TO rco;
SQL> EXIT


NEW QUESTION # 14
Identify three benefits of Unified Auditing.

  • A. It automatically audits Recovery Manager (RMAN) events.
  • B. It improves overall auditing performance.
  • C. It guarantees zero-loss auditing.
  • D. The audit trail cannot be easily modified because it is read-only.
  • E. Decreased use ofstorage to store audit trail rowsin the database.

Answer: A,B,D


NEW QUESTION # 15
Which two are true about the Oracle dataabse methodology? (Choose two.)

  • A. The alert log should be used to find the database and instance areas most in need of tuning.
  • B. Tuning activities should stop once agreed service levels for performance have been met.
  • C. The Oracle Database time model should be used to find the database and instance areas most in need of tuning.
  • D. SQL statements should always be tuned before tuning any file systems.
  • E. Tuning activities should stop once the user is satisfied with performance.
  • F. The database instance memory should always be tuned before tuning any file systems.

Answer: A,B


NEW QUESTION # 16
Which three are true about Automatic Workload Repository (AWR)? (Choose three.)

  • A. AWR data is stored in the SYSTEM tablespace.
  • B. Its collection level is determined by the value of the STATISTICS_LEVEL database parameter.
  • C. By default, AWR snapshots are retained for 7 days.
  • D. The taking of AWR snapshots can be disabled.
  • E. By default, AWR snapshots are taken every 60 minutes.

Answer: B,D,E

Explanation:
Reference:
https://docs.oracle.com/cd/B28359_01/server.111/b28320/initparams240.htm#REFRN10214


NEW QUESTION # 17
......

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