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WGU D192 Oracle Database 12c Exam: SGA, Backup, Security, Performance & Upgrade Q&A

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Ace the WGU D192 Oracle DBA exam with practice questions on SGA parameters, shutdown commands, undo management, SQL*Loader, AWR/ADDM performance tuning, user security, and database upgrade strategies.

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WGU DI 92 EXAM QUESTIONS
AND ANSWERS GRADED A+
2025




1 . Which parameter can an administrator enable without restarting a
database.

SGA TARGET
COMPATIBLE
DB DOMAIN

UNDO MANAGEMENT: SGA TARGET

2. Which view displays database parameters and values modified using
the SCOPE=SPFILE clause?

V$SPARAMETER
V$PARAMETER
V$HS_PARAMETER


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,V$NLS_PARAMETER: V$SPARAMETER

3. Which command performs a clean shutdown without waiting for clients to
disconnect?
SHUTDOWN ABORT
SHUTDOWN NORMAL
SHUTDOWN TRANSACTIONAL

SHUTDOWN IMMEDIATE: SHUTDOWN IMMEDIATE

4. Which area is a member of the System Global Area (SGA)?

Java pool
Log writer

Database writer

Process monitor: Java pool

5. Which types of events are recorded in an alert log?

Package creation
User creation
Role creation

Tablespace creation: Tablespace creation

6. Where is the listener.ora file located by default?

Package creation

, User creation
Role creation

Tablespace creation: Tablespace creation


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7. Which initialization parameter sets the location of the alert log? AUDIT
FILE DEST

LOG ARCHIVE DEST
DIAõNOSTlC õEST
CORE DUMP-DEST: DIAGNOSTIC DEST

8. Where is the listener.ora file located by default?

$ORACLE_HOME/RDBMS $ORACLE_HOME/NETWORK/ADMIN
$0RACLE_HOME/DATABASE/ADMIN $ORACLE_HOME/DBS/ADMIN:
$ORACLE HOME/NETWORK/ADMIN

9. Which type of connection uses the Oracle Listener to communicate?

Client with database server
Browser with application server
Two application servers

Client with backup tool: Client with database server




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