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Oracle 1Z0-182 Exam Syllabus Topics:

Topic	Details
Topic 1	Displaying Creating and Managing PDBs: This section assesses the knowledge of Cloud Database Architects in creating pluggable databases (PDBs) from seeds or other techniques. It also covers modifying PDB modes and attributes to meet specific application requirements.
Topic 2	Introduction to Auditing: This domain tests the abilities of Compliance Specialists in implementing database auditing practices. It includes creating, modifying, and maintaining auditing policies while applying value-based auditing techniques like Fine-Grained Auditing (FGA).
Topic 3	Introduction to Performance: This section evaluates the expertise of Performance Analysts in summarizing Oracle database performance management techniques. It includes measuring database performance using SQL execution plans, directives, and advisors to ensure optimal system efficiency.
Topic 4	Managing Tablespaces and Datafiles: This section assesses the abilities of Storage Administrators in creating, modifying, and describing tablespaces. It also covers recognizing data storage requirements and understanding datafile placement for efficient storage management.
Topic 5	Managing Users, Roles, and Privileges: This domain evaluates the expertise of Security Administrators in implementing user security measures. It focuses on creating and managing users, roles, and privileges to ensure secure access to Oracle databases.
Topic 6	Describe Managing Database Instances: This section tests the knowledge of Database Administrators in performing essential tasks for managing database instances. It includes starting and shutting down databases, utilizing dynamic performance views, managing initialization parameter files, and using the Automatic Diagnostic Repository (ADR) for troubleshooting.
Topic 7	Managing Undo: This domain measures the skills of Database Administrators in using undo data effectively. It compares undo data with redo data and explains temporary undo usage for efficient transaction management.
Topic 8	Automated Maintenance: This section measures the skills of Database Administrators in describing automated maintenance tasks within Oracle databases. It focuses on applying automated features to streamline routine maintenance activities.
Topic 9	Managing Storage: This section tests the knowledge of Storage Engineers in managing storage features such as resumable space allocation, segment space-saving, and block space management. It also includes defining segment characteristics to optimize storage utilization.

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Oracle Database 23ai Administration Associate Sample Questions (Q56-Q61):

NEW QUESTION # 56
Which three are benefits of using temp UNDO when performing DML on global temporary tables?

A. It reduces I/Os to the SYSTEM tablespace.
B. It reduces I/Os to the SYSAUX tablespace.
C. It permits DML on global temporary tables even if the database is opened read-only.
D. It reduces the amount of redo generated.
E. It reduces the amount of UNDO stored in the UNDO tablespace.

Answer: A,D,E

Explanation:
Temp UNDO, introduced in Oracle 12c and refined in 23ai, stores undo for global temporary tables (GTTs) in temporary tablespaces:
A . It permits DML on GTTs even if the database is opened read-only.False. In read-only mode, DML on GTTs is allowed regardless of temp UNDO, as GTT data is session-private, but temp UNDO doesn't specifically enable this.
B . It reduces the amount of UNDO stored in the UNDO tablespace.True. Temp UNDO stores undo in the temporary tablespace, reducing usage of the permanent UNDO tablespace.
C . It reduces I/Os to the SYSTEM tablespace.True. By avoiding permanent undo, it reduces metadata updates in the SYSTEM tablespace related to undo management.
D . It reduces the amount of redo generated.True. Temp UNDO changes are not redo-logged to the same extent as permanent undo, minimizing redo generation.
E . It reduces I/Os to the SYSAUX tablespace.False. SYSAUX is unrelated to undo management; temp UNDO affects temporary and SYSTEM tablespaces.

NEW QUESTION # 57
Which two statements are true about User Authentication in an Oracle Database?

A. REMOTE_LOGIN_PASSWORDFILE must be set to EXCLUSIVE to permit password changes for system-privileged administrative users.
B. Password authentication must be used for system-privileged administrative users.
C. Password File authentication must be used for system-privileged administrative users.
D. Operating System authentication may be used for system-privileged administrative users.
E. Password File authentication is supported for any type of database user.

Answer: C,D

Explanation:
User authentication in Oracle 23ai determines how users (especially administrative ones) connect to the database. Let's analyze each option with extensive detail:
A . Operating System authentication may be used for system-privileged administrative users.
True. OS authentication allows users mapped to OS accounts (e.g., ops$oracle) to connect without a password, often used for administrative users like SYS or SYSTEM. This is configured by creating an externally authenticated user (e.g., CREATE USER "OPS$ORACLE" IDENTIFIED EXTERNALLY) and relies on the OS to verify identity.
Mechanics:When a user logs in via sqlplus / as sysdba, Oracle checks the OS user against the dba group (Unix) or ORA_DBA (Windows). If matched, no password is needed, leveraging OS security.
Practical Use:Common for DBAs managing local instances, reducing password management overhead.
Edge Case:Requires REMOTE_LOGIN_PASSWORDFILE=NONE for exclusive OS auth, but this isn't mandatory if a password file exists alongside.
Historical Note:Introduced in early Oracle versions, this remains a robust option in 23ai for local admin access.
B . Password authentication must be used for system-privileged administrative users.
False. "Must" is incorrect; password authentication (e.g., sqlplus sys/password) is an option, not a requirement. OS authentication or password file authentication can also be used for users like SYS. This option overstates the necessity of password-based login.
Why Incorrect:Oracle's flexibility allows multiple methods, contradicting the absolute phrasing here.
C . Password File authentication is supported for any type of database user.
False. Password file authentication is restricted to users with SYSDBA, SYSOPER, or similar system privileges (e.g., SYSBACKUP). Regular users (e.g., HR) can't use the password file (orapw<sid>); they rely on database authentication (passwords stored in the DB) or external methods.
Mechanics:The password file stores hashed credentials for privileged users, checked during remote AS SYSDBA logins.
Why Incorrect:Extending this to "any user" ignores Oracle's security model limiting password file usage.
D . REMOTE_LOGIN_PASSWORDFILE must be set to EXCLUSIVE to permit password changes for system-privileged administrative users.
False. REMOTE_LOGIN_PASSWORDFILE=EXCLUSIVE allows a dedicated password file for one instance, enabling password changes via ALTER USER SYS IDENTIFIED BY newpass. However, SHARED mode also permits changes for SYS, though not for other users added to the file. The "must" overstates the requirement; it's sufficient, not necessary.
Mechanics:EXCLUSIVE locks the file to one DB, while SHARED allows multiple DBs to use it, with restrictions on non-SYS users.
E . Password File authentication must be used for system-privileged administrative users.
True. For remote administrative access (e.g., sqlplus sys/password@orcl as sysdba), a password file is mandatory when REMOTE_LOGIN_PASSWORDFILE is EXCLUSIVE or SHARED. Local OS authentication is an alternative, but for network-based admin tasks, the password file is required, making this statement true in that context.
Mechanics:Set via orapwd (e.g., orapwd file=orapworcl password=oracle entries=10), enabling remote SYSDBA logins.
Edge Case:If REMOTE_LOGIN_PASSWORDFILE=NONE, only OS auth works locally, but this isn't the default or typical setup.

NEW QUESTION # 58
Your data center uses Oracle Managed Files (OMF) for all databases. All tablespaces are smallfile tablespaces. SALES_Q1 is a permanent user-defined tablespace in the SALES database. The following command is about to be issued by a DBA logged in to the SALES database: ALTER TABLESPACE sales_q1 ADD DATAFILE; Which two actions independently ensure that the command executes successfully?

A. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 MB of available space.
B. Specify a path in the DATAFILE clause of the command specifying a location with at least 100 MB of available space.
C. Add the AUTOEXTEND ON clause with NEXT set to 100M.
D. Ensure that DB_CREATE_FILE_DEST specifies a location with at least 100 MB of available space.
E. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 MB of available space.

Answer: D,E

Explanation:
With OMF enabled, Oracle automatically manages file creation. The command ALTER TABLESPACE sales_q1 ADD DATAFILE without a file specification relies on initialization parameters:
A . Specify a path in the DATAFILE clause ... with at least 100 MB of available space.False. With OMF, explicitly specifying a path overrides OMF behavior, but it's not required for success if OMF parameters are set correctly.
B . Add the AUTOEXTEND ON clause with NEXT set to 100M.False. AUTOEXTEND is optional and affects file growth, not the initial creation success, which depends on available space in the OMF location.
C . Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 MB of available space.True. If both parameters are set,Oracle may use either for data files (depending on context), and sufficient space (e.g., 50 MB minimum for a smallfile) ensures success.
D . Ensure that DB_CREATE_FILE_DEST specifies a location with at least 100 MB of available space.True. This is the primary OMF parameter for data files; sufficient space (typically 100 MB minimum for a new file) guarantees the command succeeds.
E . Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 MB of available space.False. This is redundant with C; only one needs sufficient space, though C's phrasing makes it a valid independent action.

NEW QUESTION # 59
Which three statements are true about resumable space allocation in Oracle databases?

A. The AFTER SUSPEND event trigger can itself be suspended due to space conditions.
B. A user's session may be suspended and resumed multiple times.
C. A user's session may be suspended even if the user has the UNLIMITED TABLESPACE system privilege.
D. Resumable space allocation may be enabled for some sessions and not others.
E. All sessions must have the same timeout value when waiting for resumable space allocations.
F. Resumable space allocation is only possible with locally managed tablespaces.

Answer: B,C,D

Explanation:
A .True. Enabled per session with ALTER SESSION ENABLE RESUMABLE.
B .True. Multiple suspensions can occur in one session.
C .False. Works with dictionary-managed tablespaces too.
D .False. Timeout is session-specific.
E .True. Privilege doesn't prevent suspension; quota limits do.
F .False. Triggers execute but can't suspend themselves.

NEW QUESTION # 60
Which three statements are true about roles?

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

Answer: A,C,F

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 # 61
......

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1Z0-182 CERTIFICATE EXAM & VALID 1Z0-182 EXAM REVIEW

1Z0-182 Certificate Exam & Valid 1Z0-182 Exam Review