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New Oracle 1Z0-182 Test Notes - Reliable 1Z0-182 Exam Topics
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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
- 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 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
- 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 5
- 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 6
- 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 7
- 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 8
- 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 9
- 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.
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Oracle Database 23ai Administration Associate Sample Questions (Q18-Q23):
NEW QUESTION # 18
Which two statements are true about the tools used to configure Oracle Net Services?
- A. The lsnrctl utility requires a listener.ora file to exist before it is started.
- B. Enterprise Manager Cloud Control can be used to centrally configure net service names for any database server target.
- C. The Oracle Net Configuration Assistant is only used when running the Oracle installer.
- D. Oracle Net Manager can be used to locally configure naming methods on a database server.
- E. Oracle Net Manager can be used to centrally configure listeners on any database server target.
Answer: B,D
Explanation:
A .False. lsnrctl can start a default listener without listener.ora.
B .True. EMCC provides centralized Net Services configuration.
C .False. NetCA can run standalone, not just during installation.
D .True. Net Manager configures local naming (e.g., TNSNAMES.ORA).
E .False. Net Manager is local, not centralized like EMCC.
NEW QUESTION # 19
Which two statements are true about the DUAL table?
- A. It can be used to display only constants or pseudo columns.
- B. It can be accessed only by the SYS user.
- C. It can display multiple rows but only a single column.
- D. It can display multiple rows and columns.
- E. It consists of a single row and single column of VARCHAR2 data type.
- F. It can be accessed by any user who has the SELECT privilege in any schema.
Answer: E,F
Explanation:
A .True. DUAL is public; any user with SELECT can query it.
B .True. One row, one VARCHAR2 column (DUMMY).
C .False. Fixed at one row.
D .False. Not restricted to SYS.
E .False. One row, one column only.
F .False. Can return expressions, not just constants.
NEW QUESTION # 20
Examine this command: SQL> ALTER TABLE ORDERS SHRINK SPACE COMPACT; Which two statements are true?
- A. Dependent indexes become UNUSABLE.
- B. Queries and DML statements are allowed on ORDERS while the SHRINK is executing.
- C. The SHRINK operation causes rows to be moved to empty space starting toward the end of the ORDERS segment.
- D. The high-water mark (HWM) of ORDERS is adjusted.
- E. The SHRINK operation causes rows to be moved to empty space starting from the beginning of the ORDERS segment.
- F. Only queries are allowed on ORDERS while SHRINK is executing.
Answer: B,E
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 # 21
Which three functions are performed by dispatchers in a shared server configuration?
- A. Broadcasting shared server session responses back to requesters on all connections.
- B. Checking for outbound shared server responses on the common outbound response queue.
- C. Receiving inbound requests from processes using shared server connections.
- D. Sending each connection input request to the appropriate shared server input queue.
- E. Sending shared server session responses back to requesters on the appropriate connection.
- F. True. Dispatchers monitor the response queue.
- G. Writing inbound requests to the common request queue from all shared server connections.
Answer: B,C,E
Explanation:
A :True. Dispatchers return responses to clients.
B :False. Dispatchers manage queues, not write directly.
C :False. Responses are connection-specific, not broadcast.
D :True. Dispatchers receive client requests.
E :False. Queues are common, not per-connection.
NEW QUESTION # 22
Which three tasks are performed by background processes in an Oracle database instance?
- A. Writing dirty database block images from the buffer cache.
- B. Reading database blocks into the buffer cache.
- C. Registering services with Oracle Net listeners.
- D. Writing redo to log files.
- E. Reading database blocks into the buffer cache.
- F. Creating dedicated server connections.
Answer: A,C,D
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 # 23
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