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QUESTION NO: 1
What is pre-requisite to alter a role?
A. You should set the OS_ROLES parameter to true.
B. You should be granted the DBA role.
C. You should have the ALTER ANY ROLE system privilege.
D. You should be granted the role with the GRANT OPTION.
Answer: C
QUESTION NO: 2
In your database, the STATISTICS_LEVEL parameter is set to TYPICAL and an Automatic
Workload Repository (AWR) snapshot is taken every 30 minutes.
Which two statements are true about the Automatic Database Diagnostic Monitor (ADDM)? (Choose two.)
A. It runs after each AWR snapshot is created and it requires at least two snapshots for analysis.
B. It calls other advisors if required, but does not provide recommendations about the advisors to be used.
C. It always compares the latest snapshot with the baseline snapshot for analysis.
D. It requires at least four AWR snapshots for analysis.
E. It measures database performance by analyzing the wait time and CPU time of all non-idle user sessions.
Answer: A,E
QUESTION NO: 3
Which two statements are true concerning the Resource Manager plans for individual pluggable databases (PDB plans) in a multitenant container database (CDB)? (Choose two.)
A. If a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups based on the shares provided to the PDB in the CDB plan and the shares provided to the consumer groups in the PDB plan.
B. If no PDB plan is enabled for a pluggable database, then all sessions for that PDB are treated to an equal degree of the resource share of that PDB.
C. If a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups across all PDBs in the CDB.
D. In a PDB plan, subplans may be used with up to eight consumer groups.
E. If no PDB plan is enabled for a pluggable database, then the PDB share in the CDB plan is dynamically calculated.
Answer: A,B
Explanation
A: Setting a PDB resource plan is optional. If not specified, all sessions within the PDB are treated equally.
* In a non-CDB database, workloads within a database are managed with resource plans.
In a PDB, workloads are also managed with resource plans, also called PDB resource plans.
The functionality is similar except for the following differences:
/ Non-CDB Database
Multi-level resource plans
Up to 32 consumer groups
Subplans
/ PDB Database
Single-level resource plans only
Up to 8 consumer groups
(not B) No subplans
QUESTION NO: 4
Which statement is true about Oracle Net Listener?
A. A single listener can service only one database instance and multiple remote client connections.
B. It acts as the listening endpoint for the Oracle database instance for all local and non-local user connections.
C. Service registration with the listener is performed by the process monitor (PMON) process of each database instance.
D. The listener.ora configuration file must be located in the ORACLE_HOME/network/admin directly.
E. The listener.ora configuration file must be configured with one or more listening protocol addresses to allow remote users to connect to a database instance.
Answer: C
Explanation
https://docs.oracle.com/database/121/CNCPT/process.htm
QUESTION NO: 5
The HR schema exists in two databases, BOSTON and DENVER, and has the same password,
HR.
You have the CREATE DATABASE LINK and CREATE SESSION privileges on both the database.
BOSTON is defined as a service name in the tnsnames.ora of both the databases.
You plan to use the command:
CREATE DATABASE LINK hr_link CONNECT to hr IDENTIFIED BY hr USING 'denver'; What must be done to ensure only the HR user in the BOSTON database can access the HR schema in the DENVER database?
A. Execute this command as HR user in the BOSTON database.
B. Execute this command as HR user in the BOSTON database and SYS user in the DENVER database.
C. Execute this command as HR user in the DENVER database.
D. Execute this command as SYS user in both the databases.
Answer: A
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Updated: May 28, 2022