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1Z0-182 Best Study Material - 1Z0-182 Valid Test Simulator

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Oracle 1Z0-182 Exam Syllabus Topics:

Topic
Details

Topic 1

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 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

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

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 5

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 6

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 7

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 8

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 9

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 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

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.

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

NEW QUESTION # 56
In which two ways would you disable timing information collected for wait events and much of the performance monitoring capability of the database?

A. By executing the PL/SQL procedure DBMS_TIME_STATISTIC.LEVEL(BASIC).
B. By setting the STATISTICS_LEVEL parameter to BASIC.
C. By setting the TIMED_STATISTICS_LEVEL system parameter to FALSE.
D. By executing the PL/SQL procedure DBMS_TIME_STATISTIC.DISABLE(TRUE).
E. By setting the TIMED_STATISTICS system parameter to FALSE.

Answer: B,E

Explanation:
A .True. TIMED_STATISTICS = FALSE disables timing data collection.
B .False. No such procedure exists.
C .False. No TIMED_STATISTICS_LEVEL parameter exists.
D .True. STATISTICS_LEVEL = BASIC disables most performance monitoring.
E .False. No such procedure exists.

NEW QUESTION # 57
In the SPFILE of a single instance database, LOCAL_LISTENER is set to LISTENER_1. The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains: LISTENER_1 = (ADDRESS = (PROTOCOL = TCP)(HOST = host1.abc.com)(PORT = 1521)). Which statement is true?

A. The LREG process registers services dynamically with the LISTENER_1 listener.
B. Dynamic service registration cannot be used for this database instance.
C. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration.
D. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration.
E. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database in LISTENERS.

Answer: A

Explanation:
Dynamic service registration allows a database to automatically register its services with a listener without manual configuration in LISTENER.ORA. Let's analyze each option:
A . The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration.
False. The CONNECT_DATA section is part of a client-side TNSNAMES.ORA entry for connecting to a service, not for listener registration. Dynamic registration is handled by the database's LREG (Listener Registration) process, which uses the LOCAL_LISTENER parameter to locate the listener's address (e.g., host1.abc.com:1521). No CONNECT_DATA is needed in the listener address definition itself. This option confuses client connection syntax with listener configuration.
Mechanics:The listener address in TNSNAMES.ORA (LISTENER_1) is sufficient for LREG to find and register with it, as long as the listener is running at that address.
B . LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration.
False. Dynamic registration doesn't require the listener to be explicitly defined in LISTENER.ORA. The LOCAL_LISTENER parameter pointing to LISTENER_1 (resolved via TNSNAMES.ORA) tells LREG where to register services. If the listener is running on host1.abc.com:1521, LREG will find it without a LISTENER.ORA entry. However, LISTENER.ORA is needed tostartthe listener process, but that's separate from dynamic registration.
Practical Note:If LISTENER.ORA isn't configured, a default listener might run on port 1521, but the question implies LISTENER_1 is operational.
C . The LREG process registers services dynamically with the LISTENER_1 listener.
True. In Oracle 23ai, the LREG background process (replacing PMON's registration role in earlier versions) dynamically registers database services with listeners specified by LOCAL_LISTENER. Here, LOCAL_LISTENER=LISTENER_1 resolves to host1.abc.com:1521 via TNSNAMES.ORA. LREG periodically sends service information (e.g., service names, instance details) to the listener, enabling clients to connect without static configuration.
Mechanics:LREG uses the TNS alias (LISTENER_1) to locate the listener's IP and port, registers services like orcl or orclpdb, and updates the listener's service table. This happens automatically every 60 seconds or on significant events (e.g., instance startup).
D . Dynamic service registration cannot be used for this database instance.
False. The setup (LOCAL_LISTENER set and a valid TNSNAMES.ORA entry) explicitly supports dynamic registration. No blockers (e.g., REGISTRATION_EXCLUDED_LISTENERS) are mentioned, so LREG can function normally.
E . There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database in LISTENERS.
False. The question mentions only LISTENER_1 in the SPFILE and TNSNAMES.ORA. There's no evidence of a second listener (LISTENER) or a LISTENERS configuration (possibly a typo). Two listeners can't share the same port (1521) on the same host due to port conflicts unless explicitly configured with different IPs, which isn't indicated here.

NEW QUESTION # 58
Which advisor is used to detect missing or stale object statistics?

A. SQL Access Advisor
B. SQL Performance Analyzer
C. SQL Tuning Advisor
D. SQL Statistics Advisor

Answer: D

Explanation:
B .True. The SQL Statistics Advisor (new in 23ai) identifies stale or missing statistics. Others focus on tuning, performance analysis, or access paths.

NEW QUESTION # 59
Which two statements are true about undo segments and the use of undo by transactions in an Oracle database instance?

A. Undo segments can wrap around to the first extent when a transaction fills the last extent of the undo segment.
B. Undo segments can be stored in the SYSTEM tablespace.
C. Undo segments can be stored in the SYSAUX tablespace.
D. A single transaction may use multiple undo segments simultaneously.
E. Undo segments can extend when a transaction fills the last extent of the undo segment.

Answer: D,E

Explanation:
A .False. Undo is stored in a dedicated undo tablespace, not SYSTEM.
B .True. Large transactions can span multiple undo segments.
C .False. Undo isn't stored in SYSAUX.
D .True. Undo segments extend as needed, space permitting.
E .False. Undo doesn't "wrap"; new extents are allocated.

NEW QUESTION # 60
Which two statements are true about the configuration and use of UNDO?

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

Answer: C,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.

NEW QUESTION # 61
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