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2025 Oracle Realistic 1Z0-182 Test Vce
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Oracle 1Z0-182 Exam Syllabus Topics:
Topic
Details
Topic 1
- 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 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
- 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 4
- 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 5
- 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 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
- 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 8
- 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.
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Oracle Database 23ai Administration Associate Sample Questions (Q35-Q40):
NEW QUESTION # 35
You must create a tablespace of nonstandard block size in a new file system and plan to use this command: CREATE TABLESPACE ns_tbs DATAFILE '/u02/oracle/data/nstbs_f01.dbf' SIZE 100G BLOCKSIZE 32K; The standard block size is 8K, but other nonstandard block sizes will also be used. Which two are requirements for this command to succeed?
- A. The operating system must use a 32K block size.
- B. DB_32K_CACHE_SIZE should be set to a value greater than DB_CACHE_SIZE.
- C. The /u02 file system must have at least 100G space for the datafile.
- D. DB_32K_CACHE_SIZE must be set to a value that can be accommodated in the SGA.
- E. DB_32K_CACHE_SIZE must be less than DB_CACHE_SIZE.
Answer: C,D
Explanation:
A .False. No such restriction exists; DB_32K_CACHE_SIZE is independent of DB_CACHE_SIZE.
B .True. A nonstandard block size (32K) requires a corresponding cache (DB_32K_CACHE_SIZE) set to a non-zero value within SGA limits.
C .False. OS block size is irrelevant; Oracle manages its own block sizes.
D .False. No requirement for it to exceed DB_CACHE_SIZE.
E .True. The file system must have 100G available for the datafile.
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NEW QUESTION # 36
Which two statements are true about the configuration and use of UNDO?
- A. Unexpired UNDO is always retained.
- B. UNDO_RETENTION specifies for how long Oracle attempts to keep unexpired UNDO.
- C. UNDO_RETENTION specifies for how long Oracle attempts to keep expired and unconsumed UNDO.
- D. Active UNDO is always retained.
- E. UNDO_RETENTION specifies how long all types of UNDO are retained.
Answer: B,D
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.
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NEW QUESTION # 37
Which resource plan is used to manage the resources for the predefined maintenance window?
- A. The predefined maintenance window starts automatically with 20% of the system resources ...
- B. By default, all predefined maintenance windows use the DEFAULT_MAINTENANCE_PLANresource plan, and automated maintenance tasks run under subplan called ORA$AUTOTASK.
- C. The SYS_GROUP consumer resource group policies define the resources assigned ...
- D. The resources used by the predefined maintenance window can only be adjusted if you create a new resource plan in Resource Manager ...
Answer: B
Explanation:
A .True. Oracle 23ai uses DEFAULT_MAINTENANCE_PLAN with ORA$AUTOTASK subplan for maintenance tasks (e.g., stats gathering). Others are incorrect or speculative.
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NEW QUESTION # 38
Which three statements are true about Automatic Diagnostic Repository (ADR)?
- A. The ADR base is specified in the DIAGNOSTIC_DEST database parameter.
- B. It is a file-based repository held outside any database.
- C. It is only used for Oracle database diagnostic information.
- D. It is held inside an Oracle database schema.
- E. It can be used for the problem diagnosis of a database when that database's instance is down.
Answer: A,B,E
Explanation:
A .True. ADR is a file system directory structure (e.g., /u01/app/oracle/diag), external to the database.
B .False. ADR also stores diagnostics for non-database components (e.g., ASM, listener).
C .False. It's file-based, not schema-based.
D .True. ADR logs (e.g., alert logs, trace files) are accessible even if the instance is down.
E .True. DIAGNOSTIC_DEST sets the ADR base directory.
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NEW QUESTION # 39
What are Optimizer Statistics?
- A. Optimizer Statistics are part of system performance statistics stored in AWR required for calculating SQL execution plans.
- B. Optimizer Statistics are statistics about data distribution within Oracle Datafiles.
- C. Optimizer Statistics are a set of data distribution statistics collected in real time as data is inserted, deleted, or updated, which are stored in AWR and used for generating SQL execution plans.
- D. Optimizer Statistics are table, column, index, and system statistics used for generating efficient SQL execution plans.
Answer: D
Explanation:
A .False. Not real-time; collected periodically.
B .False. Not about datafile distribution.
C .True. Includes table, column, index stats for plan generation.
D .False. Stored in data dictionary, not AWR.
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NEW QUESTION # 40
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