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Oracle 1Z0-182 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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 3	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.
Topic 4	Moving Data: This section evaluates the expertise of Data Migration Specialists in moving data within Oracle databases. It includes using external tables, executing Oracle Data Pump operations, and distinguishing SQL*Loader commands for importing data efficiently.
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 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 7	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 8	Configuring Oracle Net Services: This section measures the skills of Network Administrators and Database Administrators in configuring Oracle Net Services. It includes identifying administration components, describing connection methods, and ensuring seamless communication between clients and databases.
Topic 9	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 10	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 11	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 12	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).

Oracle Database 23ai Administration Associate Sample Questions (Q80-Q85):

NEW QUESTION # 80
Which statement is true about database links?

A. A public database link can be created only by SYS.
B. A database link can be created only between two Oracle databases.
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.
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. Private database link creation requires the same user to exist in both the local and the remote databases.

Answer: C

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 # 81
You want to view the initialization parameter settings for only a specific PDB. Which of the following statements is true?

A. From the PDB, execute SELECT NAME, VALUE, ISPDB_MODIFIABLE FROM v$parameter;
B. From the PDB, execute SELECT db_uniq_name, pdb_uid, name, value$ FROM pdb_spfile$;
C. From the CDB root, execute SELECT db_uniq_name, pdb_uid, name, value$ FROM pdb_spfiles;
D. From the CDB root, execute SELECT NAME, VALUE, ISPDB_MODIFIABLE FROM v$parameter;

Answer: A

Explanation:
A .Incorrect syntax and view (pdb_spfile$ is not a valid view; PDB_SPFILE$ exists but lacks value$).
B .From CDB root, V$PARAMETER shows all parameters, not PDB-specific ones.
C .pdb_spfiles is not a valid view; PDB_SPFILE$ exists but requires scoping to a PDB.
D .True. From the PDB, V$PARAMETER shows parameters specific to that PDB, including inherited and PDB-modified values, with ISPDB_MODIFIABLE indicating alterability.

NEW QUESTION # 82
Examine this command: SQL> ALTER TABLE ORDERS SHRINK SPACE COMPACT; Which two statements are true?

A. The SHRINK operation causes rows to be moved to empty space starting from the beginning of the ORDERS segment.
B. The SHRINK operation causes rows to be moved to empty space starting toward the end of the ORDERS segment.
C. Dependent indexes become UNUSABLE.
D. Queries and DML statements are allowed on ORDERS while the SHRINK is executing.
E. Only queries are allowed on ORDERS while SHRINK is executing.
F. The high-water mark (HWM) of ORDERS is adjusted.

Answer: A,D

Explanation:
A . Dependent indexes become UNUSABLE.False. SHRINK SPACE COMPACT does not affect index usability; only SHRINK SPACE without COMPACT may require index maintenance if CASCADE is omitted.
B . ... starting toward the end of the ORDERS segment.False. Rows are compacted toward the beginning of the segment, not the end.
C . Only queries are allowed ...False. Both queries and DML are allowed during SHRINK SPACE COMPACT as it's an online operation.
D . The high-water mark (HWM) of ORDERS is adjusted.False. COMPACT moves rows but doesn't adjust the HWM; the full SHRINK SPACE command is needed for HWM adjustment.
E . Queries and DML statements are allowed ...True. This is an online operation in 23ai, allowing concurrent access.
F . ... starting from the beginning of the ORDERS segment.True. Rows are moved to fill free space from the segment's start.

NEW QUESTION # 83
Which three statements are true about the Oracle Database server during and immediately after SHUTDOWN TRANSACTIONAL?

A. Uncommitted transactions are allowed to continue to the next ROLLBACK.
B. Instance recovery occurs automatically during the shutdown.
C. Uncommitted transactions are allowed to continue to the next COMMIT.
D. New connection requests made to the database instance are refused.
E. Sessions remain connected even if they are not running a transaction.

Answer: C,D,E

Explanation:
A .False. Recovery happens on startup, not shutdown.
B .False. TRANSACTIONAL waits for commits or rollbacks, then disconnects.
C .True. New connections are blocked during shutdown.
D .True. Inactive sessions persist until shutdown completes.
E .True. Active transactions can commit before disconnection.

NEW QUESTION # 84
Which two statements are true about the Automatic Diagnostic Repository (ADR)?

A. It supports diagnostics for Automatic Storage Management (ASM).
B. The ADR base defaults to $ORACLE_HOME/rdbms/admin if neither DIAGNOSTIC_DEST nor ORACLE_BASE is set.
C. It is held inside an Oracle database schema.
D. The ADR base defaults to $ORACLE_HOME/dbs if the DIAGNOSTIC_DEST parameter and the ORACLE_BASE environment variable are not set.
E. It supports diagnostics for Oracle Clusterware.

Answer: A,E

Explanation:
A .False. ADR is file-based, not in a schema.
B .False. No such default exists.
C .True. ADR logs ASM diagnostics.
D .True. Supports Clusterware diagnostics.
E .False. Defaults to $ORACLE_BASE or /u01/app/oracle if unset.

NEW QUESTION # 85
......

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Free 1Z0-182 Download Pdf, 1Z0-182 New Soft Simulations

Oracle 1Z0-182 New Soft Simulations - 1Z0-182 Certification

Oracle 1Z0-182 Exam Syllabus Topics:

Oracle Database 23ai Administration Associate Sample Questions (Q80-Q85):

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