更多"[不定项选择题]Which three are true about "的相关试题:
[不定项选择题]choose three Which three are true about RMAN duplexed backup sets or image copies?
A.
A backup set may be duplexed with both copies written to disk.
B.
An image copy on disk can be copied to disk.
C.
A backup set may be duplexed with both copies written to sbt.
D.
A backup set may be duplexed so that one copy is written to sbt and the other
To disk.
E. An image copy on disk can be copied to sbt.
F. An image copy on sbt can be copied to disk.
[不定项选择题]choose three Which three are true about Transparent Data Encryption
(TDE)?
A. It uses a single master key for a database.
B. It replaces secure application roles.
C. It encrypts only data on the client.
D. It stores the current and all past master keys in the keystore.
E. Master encryption keys are managed by Oracle Database Vault.
F. It can encrypt data at the column level.
[不定项选择题]Choose three. Which three are true about Audit policies in container
Databases (CDBs)?
A. All audit records are written to the audit trail in CDB$ROOT .
B. Application-common unified audit policies defined in an application root must
Be manually synchronized by each application PDB contained in the application
Root.
C. Fine-grained auditing policies defined in an application root must be manually
Synchronized by each application PDB contained in the application root.
D. A common unified audit policy can be created at the CDB level.
E. A common unified audit policy can be created at the application root level.
F. An application PDB cannot have a local audit policy.
[不定项选择题]Choose three. Which three are true about block media recovery?
A. To use it, Flashback Database must be enabled.
B. A block being recovered is not accessible.
C. It cannot repair logical corruption.
D. It can be performed on noncorrupt blocks.
E. The target database for which one or more blocks are to be recovered must be
In the OPEN state.
F. The data file containing the block being recovered remains online.
[不定项选择题]Choose three. Which three are true about corrupted data blocks and
Their recovery in an Oracle Database?
A.
If a row lock is held by a nonexistent transaction, the block containing the row
Is media corrupt.
B.
DB_BLOCK_CHECKING=TRUE causes a check sum to be added to each data
Block to help detect physical or media corruption.
C.
A media corrupt block is one where the block is not formatted correctly.
D.
The ANALYZE TABLE VALIDATE STRUCTURE CASCADE command verifies that
Each table row has an index entry pointing to it.
E. If a row lock is held by a nonexistent transaction, the block containing the row
Is logically corrupt.
F. DB_LOST_WRITE_PROTECT=TYPICAL causes extra logging overhead on the
Standby database.
[不定项选择题]Choose three.
Which three are true about actions that can or cannot be performed by users
With the SYSBACKUP privilege?
A.
They can view data from any data dictionary view or dynamic performance
View.
B.
They can drop any tablespace.
C.
They can view data from any user-defined tables.
D.
They can create any table.
E.
They cannot create restore points.
F.
They cannot drop tablespaces.
[不定项选择题]Choose three. Which three are true about the Oracle Optimizer?
A.
It considers the filters in WHERE clauses when generating execution plans for SQL statements.
B.
It obeys all hints.
C.
It considers object statistics when generating execution plans for SQL statements.
D.
It updates stale object statistics in the Data Dictionary.
E. It can only use SQL Plan Directives tied to the SQL statement for which a plan
Is being generated.
F.
It can re-optimize execution plans after previous executions detect suboptimal plans.
[不定项选择题]Choose three. Which three are true about using an RMAN Recovery
Catalog with a pluggable database (PDB) target connection in Oracle
Database 19c and later releases?
A.
The base catalog owner must give the Virtual Private Catalog access to
Metadata for one or more PDBs.
B.
The target PDB must be registered in both the base catalog and the Virtual Private Catalog.
C.
The base catalog must be used by RMAN when performing point-in-time
Recovery for the PDB registered in the Virtual Private Catalog.
D.
The base catalog must be enabled for Virtual Private Catalog use.
E. The target PDB must be registered in a Virtual Private Catalog.
F. The target PDB must be registered in a base catalog.
[不定项选择题]Choose three. Which three are true about Oracle Restart?
A.
) It is used in both clustered and non-clustered environments.
B.
) You can add and remove components from an Oracle Restart configuration
With Server Control (SRVCTL) commands.
C.
) It runs from the Oracle Grid Infrastructure home.
D.
) If you shut down a database instance with SQL*Plus, Oracle Restart interprets
This as a database failure and attempts to restart the instance.
E.) The Server Control (SRVCTL) utility can be used to start and stop Oracle
Restart.
F.) It can manage Oracle Database instances, Oracle Net Listeners, and Oracle
Automatic Storage Management instances.
[不定项选择题]Choose three. Which three are true about patchsets?
A.
They are installed via OPatch or OPatchAuto.
B.
A base release is not needed to install patchsets.
C.
They can be applied in a rolling fashion for Clusterware and the databases.
D.
Installing a patchset is considered an "upgrade."
E.
They can introduce new features.
F.
They are only released quarterly.
[不定项选择题]Choose three. Which three are true about an application container?
A. It must have an application root PDB.
B. Two application containers can share an application seed PDB.
C. It can contain multiple applications.
D. It can contain a single application.
E. It must have an application seed PDB.
F. An application PDB can belong to multiple application containers.
[不定项选择题]Choose three. Which three are true about recovery operations done
Without using Recovery Manager (RMAN)?
A. A lost PFILE can be re-created from alert.log using SQL*PLUS.
B. A lost index tablespace can be re-created without performing any recovery.
C. A lost password file can be manually re-created with the orapwd utility.
D. A lost password file can be re-created with SQL*PLUS.
E. A lost SPFILE can be recovered from memory using SQL*PLUS.
F. A lost TEMPFILE must always be re-created manually.