WGU D330 DATA SYSTEMS ADMINISTRATION EXAM PREP
WGU D330 DATA SYSTEMS ADMINISTRATION EXAM PREP TEST BANK
NEWEST 2026/2027 ACTUAL EXAM COMPLETE 230 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW VERSION!!
Which clause did the administrator include in the create user statement?
A. BY PASSWORD
B. ACCOUNT LOCK
C. PASSWORD EXPIRE
D. ACCOUNT UNLOCK
C. PASSWORD EXPIRE
Which type of database backup can be performed while a database is online?
A. Partial
B. Full
C. Consistent
D. Inconsistent
D. Inconsistent
Which file must be present to start an instance of a database?
A. Control
B. Redo
C. Archive
D. Alert
A. Control
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, WGU D330 DATA SYSTEMS ADMINISTRATION EXAM PREP
Which format minimizes the space required for a full database backup?
A. Compressed
B. Image
C. Backup set
D. Binary file
A. Compressed
What can be queried from a database while it is in the NOMOUNT state?
A. Instance parameters
B. Control file records
C. Checkpoint information
D. Incarnation information
A. Instance parameters
An administrator starts a database and initiates instance recovery.
Which type of files can be recovered?
A. Control
B. Redo log
C. Data
D. Trace
C. Data
Which parameter affects the mean time to recovery target for a database
instance?
A. LOG_CHECKPOINTS_TO_ALERT
B. LOG_CHECKPOINT_INTERVAL
C. LOG_ARCHIVE_TRACE
D. LOG_FILE_NAME_CONVERT
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, WGU D330 DATA SYSTEMS ADMINISTRATION EXAM PREP
B. LOG_CHECKPOINT_INTERVAL
Which process duplicates modified blocks from a buffer cache to files on disk?
A. Apply Server (ASnn)
B. Checkpoint (CKPT)
C. Database Writer (DBWn)
D. Log Writer (LGWR)
C. Database Writer (DBWn)
Which file does the Database Upgrade Assistant (DBUA) obtain its list of databases
from?
A. tnsnames.ora
B. glogin.sql
C. host_name.olr
D. sqlnet.ora
C. host_name.olr
Which action updates a database from an earlier version to a newer version while
the database remains online?
A. Using Oracle Golden Gate
B. Using Oracle Universal Installer
C. Performing a manual upgrade
D. Performing a parallel upgrade
A. Using Oracle Golden Gate
Which data pump parameter can an administrator use to perform a metadata-
only export?
A. CONTENT
B. SCHEMAS
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, WGU D330 DATA SYSTEMS ADMINISTRATION EXAM PREP
C. INCLUDE
D. ATTACH
A. CONTENT
Which method allows any Oracle release to be migrated to Oracle 12c?
A. Export and Import
B. Manual Upgrades
C. Transportable Tablespaces
D. Database Upgrade Assistant
A. Export and Import
A database will be migrated to a platform that has a different endianness.
Which action must be performed on the data files before the migration?
A. Compress by using a compression tool
B. Convert by using Recovery Manager
C. Include in a transportable tablespace
D. Verify free space allocation of 20%
B. Convert by using Recovery Manager
Which method is used to perform an in-place upgrade?
A. Database Upgrade Assistant
B. Export/import
C. Transportable tablespace
D. Oracle GoldenGate
4|Page
WGU D330 DATA SYSTEMS ADMINISTRATION EXAM PREP TEST BANK
NEWEST 2026/2027 ACTUAL EXAM COMPLETE 230 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+||BRAND NEW VERSION!!
Which clause did the administrator include in the create user statement?
A. BY PASSWORD
B. ACCOUNT LOCK
C. PASSWORD EXPIRE
D. ACCOUNT UNLOCK
C. PASSWORD EXPIRE
Which type of database backup can be performed while a database is online?
A. Partial
B. Full
C. Consistent
D. Inconsistent
D. Inconsistent
Which file must be present to start an instance of a database?
A. Control
B. Redo
C. Archive
D. Alert
A. Control
1|Page
, WGU D330 DATA SYSTEMS ADMINISTRATION EXAM PREP
Which format minimizes the space required for a full database backup?
A. Compressed
B. Image
C. Backup set
D. Binary file
A. Compressed
What can be queried from a database while it is in the NOMOUNT state?
A. Instance parameters
B. Control file records
C. Checkpoint information
D. Incarnation information
A. Instance parameters
An administrator starts a database and initiates instance recovery.
Which type of files can be recovered?
A. Control
B. Redo log
C. Data
D. Trace
C. Data
Which parameter affects the mean time to recovery target for a database
instance?
A. LOG_CHECKPOINTS_TO_ALERT
B. LOG_CHECKPOINT_INTERVAL
C. LOG_ARCHIVE_TRACE
D. LOG_FILE_NAME_CONVERT
2|Page
, WGU D330 DATA SYSTEMS ADMINISTRATION EXAM PREP
B. LOG_CHECKPOINT_INTERVAL
Which process duplicates modified blocks from a buffer cache to files on disk?
A. Apply Server (ASnn)
B. Checkpoint (CKPT)
C. Database Writer (DBWn)
D. Log Writer (LGWR)
C. Database Writer (DBWn)
Which file does the Database Upgrade Assistant (DBUA) obtain its list of databases
from?
A. tnsnames.ora
B. glogin.sql
C. host_name.olr
D. sqlnet.ora
C. host_name.olr
Which action updates a database from an earlier version to a newer version while
the database remains online?
A. Using Oracle Golden Gate
B. Using Oracle Universal Installer
C. Performing a manual upgrade
D. Performing a parallel upgrade
A. Using Oracle Golden Gate
Which data pump parameter can an administrator use to perform a metadata-
only export?
A. CONTENT
B. SCHEMAS
3|Page
, WGU D330 DATA SYSTEMS ADMINISTRATION EXAM PREP
C. INCLUDE
D. ATTACH
A. CONTENT
Which method allows any Oracle release to be migrated to Oracle 12c?
A. Export and Import
B. Manual Upgrades
C. Transportable Tablespaces
D. Database Upgrade Assistant
A. Export and Import
A database will be migrated to a platform that has a different endianness.
Which action must be performed on the data files before the migration?
A. Compress by using a compression tool
B. Convert by using Recovery Manager
C. Include in a transportable tablespace
D. Verify free space allocation of 20%
B. Convert by using Recovery Manager
Which method is used to perform an in-place upgrade?
A. Database Upgrade Assistant
B. Export/import
C. Transportable tablespace
D. Oracle GoldenGate
4|Page