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Oracle 1Z1-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q10-Q15):

NEW QUESTION # 10
Which two statements are true about the PMON background process? (Choose two.)

A. It records checkpoint information in the control file
B. It kills sessions that exceed idle time
C. It frees resources held by abnormally terminated processes
D. It frees unused temporary segments
E. It registers database services with all local and remote listeners known to the database instance

Answer: B,C

Explanation:
Reference:
https://docs.oracle.com/cd/B19306_01/server.102/b14220/process.htm
* Performs process recovery when a user process fails - Cleans up the database buffer cache - Frees resources that are used by the user process * Monitors sessions for idle session timeout

NEW QUESTION # 11
You need to calculate the number of days from 1st January 2019 until today.
Dates are stored in the default format of DD-MON-RR.
Which two queries give the required output? (Choose two.)

A. SELECT TO_DATE(SYSDATE, 'DD/MONTH/YYYY') - '01/JANUARY/2019' FROM DUAL;
B. SELECT ROUND(SYSDATE - '01-JAN-2019') FROM DUAL;
C. SELECT ROUND(SYSDATE - TO_DATE('01/JANUARY/2019')) FROM DUAL;
D. SELECT SYSDATE - TO_DATE('01-JANUARY-2019') FROM DUAL;
E. SELECT TO_CHAR(SYSDATE,'DD-MON-YYYY') - '01-JAN-2019' FROM DUAL;

Answer: C,D

NEW QUESTION # 12
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. Change is applied to the current instance, but does not persist after instance restart
B. The value is changed for the current instance and in the PFILE
C. It fails because the SCOPE clause is missing
D. The value is changed only in the PFILE and takes effect at the next instance startup

Answer: A

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

NEW QUESTION # 13
Which two are true about Oracle recovery and data protection solutions? (Choose two.)

A. RMAN can be used to roll back committed transactions.
B. Oracle Data Guard can prevent data loss caused by a site failure.
C. Data Recovery Advisor can be used to validate backup strategies.
D. RMAN can be used to FLASHBACK a database.
E. Data Recovery Advisor can be used to restore a single file from an RMAN backupset.

Answer: B,D

NEW QUESTION # 14
Examine the description of the CUSTOMERS table:

You want to display details of all customers who reside in cities starting with the letter D followed by at least two characters.
Which query can be used?

A. SELECT * FROM customers WHERE city = '%D_';
B. SELECT * FROM customers WHERE city = 'D_%';
C. SELECT * FROM customers WHERE city LIKE 'D_%';
D. SELECT * FROM customers WHERE city LIKE 'D_';

Answer: C

NEW QUESTION # 15
......

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