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NEW QUESTION 38
Which statement is true about redo log files during instance recovery?
- A. All redo log entries in the current log are applied to data files until the checkpoint position is reached.
- B. All current, online, and archived redo logs are required to complete instance recovery.
- C. All current, active, and inactive redo logs are required to complete instance recovery.
- D. All redo log entries in the current and active logs are applied to data files to reconstruct changes made after the most recent checkpoint.
Answer: A
Explanation:
References https://docs.oracle.com/cd/A58617_01/server.804/a58396/ch2.htm
NEW QUESTION 39
You conned using SQL Plus to the root container of a multitenant container database (CDB) with SYSDBA privilege.
The CDB has several pluggable databases (PDBs) open in the read/write mode.
There are ongoing transactions in both the CDB and PDBs.
What happens alter issuing the SHUTDOWN TRANSACTIONAL statement?
- A. The shutdown proceeds as soon as all transactions in the CDB are either committed or rolled back.
- B. The shutdown proceeds immediately. The shutdown proceeds as soon as all transactions in the PDBs are either
committed or rolled hack. - C. The statement results in an error because there are open PDBs.
- D. The shutdown proceeds as soon as all transactions in both the CDB and PDBs are either committed or rolled back.
Answer: A
Explanation:
* SHUTDOWN [ABORT | IMMEDIATE | NORMAL | TRANSACTIONAL [LOCAL]]
Shuts down a currently running Oracle Database instance, optionally closing and dismounting a database. If the
current database is a pluggable database, only the pluggable database is closed. The consolidated instance continues
to run.
Shutdown commands that wait for current calls to complete or users to disconnect such as SHUTDOWN NORMAL and
SHUTDOWN TRANSACTIONAL have a time limit that the SHUTDOWN command will wait. If all events blocking the
shutdown have not occurred within the time limit, the shutdown command cancels with the following message:
ORA-01013: user requested cancel of current operation
* If logged into a CDB, shutdown closes the CDB instance.
To shutdown a CDB or non CDB, you must be connected to the CDB or non CDB instance that you want to close, and
then enter
SHUTDOWN
Database closed.
Database dismounted.
Oracle instance shut down.
To shutdown a PDB, you must log into the PDB to issue the SHUTDOWN command.
SHUTDOWN
Pluggable Database closed.
Note:
* Prerequisites for PDB Shutdown
When the current container is a pluggable database (PDB), the SHUTDOWN command can only be used if:
The current user has SYSDBA, SYSOPER, SYSBACKUP, or SYSDG system privilege.
The privilege is either commonly granted or locally granted in the PDB.
The current user exercises the privilege using AS SYSDBA, AS SYSOPER, AS SYSBACKUP, or AS SYSDG at connect time.
To close a PDB, the PDB must be open.
NEW QUESTION 40
Which three statements are true about the Pre-Upgrade Information Tool? (Choose three.)
- A. The postupgrade_fixups.sql script is created to address issues that can be fixed after a database has been upgraded.
- B. A log file, preupgrade.log, is created that contains the output of the Pre-Upgrade Information tool.
- C. The preupgrade_fixups.sql script is executed automatically to fix issues in the source database.
- D. The preupgrade_fixups.sql script is created to list and describe issues in the source database.
- E. It checks for required tablespaces and if they are not available, creates them automatically.
- F. It generates a script to recompile invalid objects post-upgrade.
Answer: B,C,F
Explanation:
References https://docs.oracle.com/database/122/UPGRD/using-preupgrade-information- tool-for-oracle-database.htm#UPGRD-GUID-C0219AF1-AD43-4097-B358-E53E48958647
NEW QUESTION 41
A redaction policy was added to the SAL column of the SCOTT.EMP table:
All users have their default set of system privileges.
For which three situations will data not be redacted? (Choose three.)
- A. SCOTT sessions, because he is the owner of the table
- B. SCOTT sessions, only if the MGR role is granted to SCOTT
- C. SCOTT sessions, only if the MGR role is set in the session
- D. SYS sessions, regardless of the roles that are set in the session
- E. SYSTEM sessions, regardless of the roles that are set in the session
- F. SYSTEM session, only if the MGR role is set in the session
Answer: B,D,E
NEW QUESTION 42
You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT.
You issue the following statements:
SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS;
SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM;
SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT;
For which database users is the audit policy now active?
- A. All users except SYS
- B. All users except sys and SCOTT
- C. All users except sys, system, and SCOTT
- D. All users except SCOTT
Answer: D
Explanation:
If you run multiple AUDIT statements on the same unified audit policy but specify different EXCEPT users, then Oracle Database uses the last exception user list, not any of the users from the preceding lists. This means the effect of the earlier AUDIT POLICY … EXCEPT statements are overridden by the latest AUDIT POLICY … EXCEPT statement.
Note:
*The ORA_DATABASE_PARAMETER policy audits commonly used Oracle Database parameter settings. By default, this policy is not enabled.
*You can use the keyword ALL to audit all actions. The following example shows how to audit all actions on the HR.EMPLOYEES table, except actions by user pmulligan.
Example Auditing All Actions on a Table
CREATE AUDIT POLICY all_actions_on_hr_emp_pol ACTIONS ALL ON HR.EMPLOYEES;
AUDIT POLICY all_actions_on_hr_emp_pol EXCEPT pmulligan;
Reference: Oracle Database Security Guide 12c, About Enabling Unified Audit Policies
NEW QUESTION 43
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