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Pass Guaranteed Quiz 1Z1-182 - Fantastic Oracle Database 23ai Administration Associate Exam Tips

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Oracle Database 23ai Administration Associate Sample Questions (Q34-Q39):

NEW QUESTION # 34
Which three tasks are part of the predefined Automated Maintenance Tasks?

A. Automatic error and failure log collection tasks.
B. Automatic Backups of the database system files.
C. Automatic SQL Plan Management advisor tasks.
D. Automatic notification tasks.
E. Automatic segment and segment statistics advisor tasks.
F. Automatic Optimizer Statistics Collection.

Answer: C,E,F

Explanation:
A .False. Backups are via RMAN, not AMTs.
B .True. Stats collection is an AMT.
C .False. Error logging isn't an AMT.
D .True. SPM tasks are included.
E .False. Notifications aren't AMTs.
F .True. Segment Advisor is an AMT.

NEW QUESTION # 35
Which statement is true about database links?

A. A database link can be created only between two Oracle databases.
B. A public database link can be created only by SYS.
C. Private database link creation requires the same user to exist in both the local and the remote databases.
D. A database link created in a database allows a connection from that database's instance to the target database's instance for selecting schema data.
E. A public database link can be used by any user allowing remote database instance connection for selecting schema data.

Answer: D

Explanation:
A .False. Links can connect to non-Oracle DBs via gateways.
B .False. No such user requirement; authentication is separate.
C .False. Any user with CREATE PUBLIC DATABASE LINK can create one.
D .True. Links enable remote schema access (e.g., SELECT * FROM emp@remote).
E .False. Public links allow access, but privileges on remote objects are needed.

NEW QUESTION # 36
Which three statements are true about roles?

A. The SET ROLE statement can disable one or more roles for a session.
B. The SET ROLE statement can enable one or more roles for a session.
C. Roles must be password protected.
D. Roles may be granted to other roles.
E. Object privileges may not be granted to roles.
F. All roles granted to a user are set on default when the user logs in.

Answer: A,B,D

Explanation:
Roles in Oracle manage privileges efficiently. Let's dive into each option:
A . Roles must be password protected.
False. Roles can be password-protected (e.g., CREATE ROLE mgr IDENTIFIED BY secret), but it's optional. Non-protected roles (default) are enabled automatically if granted, requiring no password.
Mechanics:Password-protected roles need SET ROLE mgr IDENTIFIED BY secret, enhancing security for sensitive privileges.
B . Roles may be granted to other roles.
True. Roles can form hierarchies (e.g., GRANT clerk TO mgr), allowing nested privilege management.
Mechanics:A user with mgr inherits clerk privileges indirectly. Revoking clerk from mgr cascades appropriately.
Practical Use:Simplifies complex privilege structures in large organizations.
C . The SET ROLE statement can enable one or more roles for a session.
True. SET ROLE role1, role2; activates specified roles for the session, assuming they're granted and not password-protected (or password is provided).
Mechanics:Enabled roles grant their privileges immediately within the session scope.
D . Object privileges may not be granted to roles.
False. Object privileges (e.g., GRANT SELECT ON emp TO clerk) are a primary use of roles, making this statement incorrect.
Why Incorrect:Roles are designed for this purpose, contradicting the option.
E . All roles granted to a user are set on default when the user logs in.
False. Only roles marked as DEFAULT ROLE (via ALTER USER ... DEFAULT ROLE role1) are enabled at login. Non-default roles require SET ROLE.
Mechanics:Check via SELECT * FROM DBA_ROLE_PRIVS WHERE DEFAULT_ROLE='YES'.
F . The SET ROLE statement can disable one or more roles for a session.
True. SET ROLE NONE disables all roles, or SET ROLE role1 implicitly disables others not listed, providing granular control.
Practical Use:Useful for testing or restricting privileges temporarily.

NEW QUESTION # 37
Which three statements are true about dynamic performance views?

A. Read consistency is not guaranteed.
B. They are owned by the SYSTEM user.
C. V$FIXED_TABLE can be queried to display the names of all dynamic performance views.
D. They can be queried only when the database is open.
E. Data displayed by querying dynamic performance views is derived from metadata in the data dictionary.

Answer: A,C,E

Explanation:
A .True. V$ views reflect real-time memory data, not consistent snapshots.
B .True. V$FIXED_TABLE lists all V$ views.
C .True. Data comes from memory structures and data dictionary metadata.
D .False. Owned by SYS, not SYSTEM.
E .False. Some V$ views are accessible in MOUNT state.

NEW QUESTION # 38
Which two statements are true about the configuration and use of UNDO?

A. Active UNDO is always retained.
B. UNDO_RETENTION specifies how long all types of UNDO are retained.
C. UNDO_RETENTION specifies for how long Oracle attempts to keep expired and unconsumed UNDO.
D. Unexpired UNDO is always retained.
E. UNDO_RETENTION specifies for how long Oracle attempts to keep unexpired UNDO.

Answer: A,E

Explanation:
A .True. Active (in-use) UNDO is never overwritten.
B .False. Unexpired UNDO can be reused if space is needed.
C .False. Applies to unexpired, not expired UNDO.
D .False. Only unexpired UNDO is targeted.
E .True. UNDO_RETENTION sets the retention goal for unexpired UNDO.

NEW QUESTION # 39
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