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[General] 1Z0-182 Latest Study Materials, 1Z0-182 Exam Exercise

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【General】 1Z0-182 Latest Study Materials, 1Z0-182 Exam Exercise

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Oracle 1Z0-182 Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 2
  • 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 3
  • 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 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
  • 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 6
  • 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 (Q44-Q49):NEW QUESTION # 44
Which three statements are true about an SPFILE?
  • A. It can be created by SYS from an idle instance.
  • B. It contains only static initialization parameters.
  • C. It must exist for a database instance to start.
  • D. It can be used to create a PFILE.
  • E. It contains initialization parameters whose values can be changed using the ALTER SYSTEM statement.
Answer: A,D,E
Explanation:
A .True. CREATE SPFILE FROM PFILE works when idle.
B .False. Includes dynamic parameters too.
C .True. CREATE PFILE FROM SPFILE generates a PFILE.
D .False. A PFILE can start the instance if no SPFILE exists.
E .True. Dynamic parameters (e.g., DB_CACHE_SIZE) are modifiable.

NEW QUESTION # 45
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. DB_32K_CACHE_SIZE should be set to a value greater than DB_CACHE_SIZE.
  • B. DB_32K_CACHE_SIZE must be set to a value that can be accommodated in the SGA.
  • C. The operating system must use a 32K block size.
  • D. The /u02 file system must have at least 100G space for the datafile.
  • E. DB_32K_CACHE_SIZE must be less than DB_CACHE_SIZE.
Answer: B,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.

NEW QUESTION # 46
At which two container database levels can COMMON Unified Audit Policies be used?
  • A. At the CDB level.
  • B. At the Application Root level of an Application Container.
  • C. At the PDB level if the policy is created by a COMMON user.
  • D. COMMON Unified Audit Policies can only be created at CDB level to monitor DBA operation at any level.
  • E. At any level by using the COMMON option in the policy.
Answer: A,C
Explanation:
A .False. Not limited to CDB; PDBs can use common policies.
B .True. Common policies apply at CDB level.
C .False. Application Root uses app-specific policies.
D .False. "COMMON option" isn't a feature; policies are common by creation context.
E .True. A common user can create policies for PDBs.

NEW QUESTION # 47
What memory structure caches the data dictionary providing access to all database user processes?
  • A. The Streams Pool
  • B. The Shared Pool
  • C. The Large Pool
  • D. The Java Pool
Answer: B
Explanation:
D .True. The Shared Pool caches data dictionary metadata (e.g., table definitions) in the Library Cache and Dictionary Cache, accessible to all processes. Others serve different purposes (e.g., Large Pool for backups).

NEW QUESTION # 48
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. 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.
  • C. Private database link creation requires the same user to exist in both the local and the remote databases.
  • D. A public database link can be created only by SYS.
  • E. A database link can be created only between two Oracle databases.
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.
Mechanicsrivilege 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 Caseoops 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 # 49
......
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