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Oracle 1Z0-082 Exam Syllabus Topics:

Section	Weight	Objectives
Managing Database Instances	20%	- Using Initialization Parameters - Starting Up and Shutting Down Databases - Using Data Dictionary and Dynamic Performance Views - Managing Alert Log and Trace Files
Backup and Recovery Concepts	10%	- Performing Complete and Incomplete Recovery - Using RMAN for Backup and Recovery - Understanding Backup and Recovery Architecture
Understanding Oracle Database Architecture	20%	- Understanding Background Processes - Overview of Oracle Database Architecture - Understanding Memory Structures - Understanding Multitenant Architecture - Explaining Storage Structures
Configuring and Managing Oracle Network	10%	- Managing Network Connections - Configuring Listener and Naming Methods
Administering User Accounts and Security	15%	- Implementing Security Policies - Creating and Managing Users - Managing Privileges and Roles
Managing Storage Structures	15%	- Managing Redo Log Files - Managing Control Files - Managing Tablespaces and Data Files - Managing Undo Data
Managing Data and Concurrency	10%	- Using SQL to Manage Data - Managing Locks and Concurrency - Managing Transactions

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Oracle Database Administration I Sample Questions (Q80-Q85):

NEW QUESTION # 80
Which two statements are true about the Automatic Diagnostic Repository (ADR)? (Choose two.)

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

Answer: A,C

Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E11882_01/install.112/e27508/admin.htm

NEW QUESTION # 81
Examine the description of the CUSTOMERS table:

For customers whose income level has a value, you want to display the first name and due amount as 5% of their credit limit. Customers whose due amount is null should not be displayed.
Which query should be used?

A. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level IS NOT NULLAND cust_credit_limit IS NOT NULL;
B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level != NULLAND due_amount != NULL;
C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level <> NULLAND due_amount <> NULL;
D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level != NULLAND cust_credit_level !=NULL;
E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNTFROM customersWHERE cust_income_level IS NOT NULLAND due_amount IS NOT NULL;

Answer: A

NEW QUESTION # 82
Your database instance is started with a PFILE.
Examine these parameters:

You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?

A. The value is changed for the current instance and in the PFILE
B. The value is changed only in the PFILE and takes effect at the next instance startup
C. Change is applied to the current instance, but does not persist after instance restart
D. It fails because the SCOPE clause is missing

Answer: C

Explanation:
Reference:
https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902

NEW QUESTION # 83
Which three statements are true about table data storage in an Oracle Database? (Choose three.)

A. Multiple row pieces from the same row may be stored in the same block
B. Data block headers contain their own Data Block Address (DBA)
C. A table row piece can be chained across several database blocks
D. Multiple row pieces from the same row may be stored in different database blocks
E. Data block free space is always contiguous in the middle of the block
F. Index block free space is always contiguous in the middle of the block

Answer: B,C,D

Explanation:
Reference:
https://antognini.ch/2016/10/whats-the-difference-between-row-migration-and-row-chaining/

NEW QUESTION # 84
Which two tasks can you perform using DBCA for databases? (Choose two.)

A. Change the standard block size of an existing database
B. Register a new database with an available Enterprise Manager Management server
C. Enable flashback database for an existing database
D. Configure incremental backups for a new database
E. Configure a nonstandard block size for a new database

Answer: A,B

Explanation:
https://docs.oracle.com/cd/B16254_01/doc/server.102/b14196/install003.htm

NEW QUESTION # 85
......

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