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Oracle 1Z0-182 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 3	Employ Oracle-Supplied Database Tools: This section evaluates the abilities of Database Engineers and Support Specialists in identifying and using Oracle-supplied tools for managing databases. It focuses on leveraging tools to monitor, troubleshoot, and optimize database performance effectively.
Topic 4	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 5	Describe Oracle Database Architecture: This section of the exam measures the skills of Database Administrators and System Architects in understanding the Oracle database architecture. It covers the configurations of Oracle database instances, memory structures like SGA and PGA, and process structures such as background processes. It also explains the logical and physical database structures, including datafiles, control files, and redo log files.
Topic 6	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 7	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 8	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.

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Oracle Database 23ai Administration Associate Sample Questions (Q26-Q31):

NEW QUESTION # 26
Which statement is true about database links?

A. A database link created in a database allows a connection from that database's instance to the target database's instance, but not vice versa.
B. Private database link creation requires the same user to exist in both the local and the remote databases.
C. A database link can be created only between two Oracle databases.
D. A public database link can be used by a user connected to the local database instance to connect to any schema in the remote database instance.
E. A public database link can be created only by SYS.

Answer: A

Explanation:
Database links enable cross-database queries in Oracle. Let's analyze each option with extensive detail:
A . A public database link can be created only by SYS.
False. Any user with the CREATE PUBLIC DATABASE LINK privilege (not just SYS) can create a public link (e.g., CREATE PUBLIC DATABASE LINK remote_db CONNECT TO scott IDENTIFIED BY tiger USING 'orcl'). While SYS typically has this privilege, it's not exclusive to SYS.
Mechanics:Privilege is granted via GRANT CREATE PUBLIC DATABASE LINK TO user;. Public links are accessible to all users in the local DB.
Why Incorrect:Overly restrictive; Oracle's security model allows delegation.
B . A database link can be created only between two Oracle databases.
False. Database links can connect to non-Oracle databases using Oracle Heterogeneous Services or gateways (e.g., ODBC or JDBC drivers), such as linking to SQL Server. Example: CREATE DATABASE LINK mssql_link USING 'hsodbc';.
Mechanics:Requires configuration of hs_ parameters in init.ora and a gateway listener.
Historical Note:Heterogeneous links were introduced in 8i, expanded in 23ai for cloud integration.
C . A database link created in a database allows a connection from that database's instance to the target database's instance, but not vice versa.
True. A database link is unidirectional; it enables queries from the local instance to the remote instance (e.g., SELECT * FROM emp@remote_db), but the remote instance can't use it to query back unless a separate link is created there.
Mechanics:Stored in DBA_DB_LINKS, the link defines a one-way connection via a TNS alias or connect string.
Practical Use:Ensures controlled access; bidirectional access requires explicit configuration.
Edge Case:Loops are prevented unless explicitly designed with mutual links.
D . A public database link can be used by a user connected to the local database instance to connect to any schema in the remote database instance.
False. Public links allow all local users to use them, but access to remote schemas depends on the link's credentials (e.g., CONNECT TO scott) and the user's remote privileges. "Any schema" overstates it; access is limited to what the link's user can see.
Why Incorrect:Misrepresents privilege scope; remote schema access isn't universal.
E . Private database link creation requires the same user to exist in both the local and the remote databases.
False. A private link (e.g., CREATE DATABASE LINK my_linkCONNECT TO scott IDENTIFIED BY tiger USING 'orcl') requires the remote user (scott) to exist, but the local creator (e.g., HR) need not match. The link is owned locally and authenticated remotely.
Mechanics:Only the CREATE DATABASE LINK privilege is needed locally.

NEW QUESTION # 27
Which two statements are true about trace files produced by the Oracle Database server?

A. All trace files contain error information that requires contacting Oracle Support.
B. They can be written by server processes to the Fast Recovery Area (FRA).
C. They can be written by background processes to a file system.
D. Trace file names are based on the database name concatenated with a sequential number.
E. They can be written by server processes to a file system.

Answer: C,E

Explanation:
A .False. Not all trace files indicate errors; some log normal activity.
B .True. Server processes write traces (e.g., ora_s000_123.trc) to the file system.
C .True. Background processes (e.g., ora_lgwr_123.trc) also write traces.
D .False. Names include process type and PID, not just DB name and sequence.
E .False. Traces go to DIAGNOSTIC_DEST, not necessarily FRA unless configured there.

NEW QUESTION # 28
You want to apply the principle of Least Privilege in all your live databases. One of your requirements is to revoke unnecessary privileges from all users who have them using Privilege Analysis. Which three types of analyses can be done using the DBMS_PRIVILEGE_CAPTURE package?

A. Analysis of privileges granted directly to a role that are then used by a user who has been granted that role.
B. Analysis of privileges granted indirectly to a role that are then used by a user who has beengranted that role.
C. Analysis of privileges that a user has on their own schema objects that they did use.
D. Analysis of all privileges used by all users but excluding administrative users in the database.
E. Analysis of all privileges used by all users including administrative users in the database.
F. Analysis of privileges that a user has on their own schema objects that they did not use.

Answer: B,C,F

Explanation:
A .True. Captures unused self-owned object privileges.
B .False. SYS is excluded from capture.
C .False. No exclusion option for admin users.
D .False. Direct role grants aren't separately analyzed.
E .True. Tracks indirect role privileges used.
F .True. Identifies used self-owned privileges.

NEW QUESTION # 29
Which three statements are true about resumable space allocation in Oracle databases?

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

Answer: A,B,E

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 # 30
Which three tasks are performed by background processes in an Oracle database instance?

A. Reading database blocks into the buffer cache.
B. Writing dirty database block images from the buffer cache.
C. Reading database blocks into the buffer cache.
D. Writing redo to log files.
E. Creating dedicated server connections.
F. Registering services with Oracle Net listeners.

Answer: B,D,F

Explanation:
False. Server processes (foreground) read blocks into the buffer cache during user queries, not background processes.
Explanation:
Background processes manage core database operations. Let's break it down:
A : Creating dedicated server connections.
False. Dedicated server connections are created by the listener, not background processes. The listener hands off the connection to a server process (e.g., ora_s000), which isn't a background process.
B : Registering services with Oracle Net listeners.
True. The LREG process (Listener Registration, formerly PMON's role) registers services with listeners, using parameters like LOCAL_LISTENER.
Mechanics:LREG sends service details (e.g., orcl) to the listener every 60 seconds or on startup.
C : Writing redo to log files.
True. The LGWR (Log Writer) process writes redo entries from the redo log buffer to online redo log files, ensuring transaction durability.
Mechanics:Triggered by commits, log buffer fills, or checkpoints.
D : Writing dirty database block images from the buffer cache.
True. The DBWn (Database Writer) processes write modified (dirty) blocks from the buffer cache to data files, maintaining consistency.
Mechanics:Occurs at checkpoints or when free buffers are needed.

NEW QUESTION # 31
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