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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Database Administration	- Managing database objects - Managing users and privileges
Database Installation and Configuration	- Creating and configuring a database - Installing Oracle Database software
Database Storage Structures	- Control files and redo logs - Tablespaces and datafiles
Backup and Recovery Concepts	- Backup and restore operations - RMAN fundamentals
Multitenant Architecture	- Managing pluggable databases - Container and pluggable databases (CDB/PDB)
Monitoring and Performance Management	- Performance tuning basics - Database monitoring tools
Oracle Database Architecture	- Database instance and memory structures - Physical database structure

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Oracle Database Administration I Sample Questions (Q154-Q159):

NEW QUESTION # 154
In one of your databases, user KING is:
1. Not a DBA user
2. An operating system (OS) user
Examine this command and its output:

What must you do so that KING is authenticated by the OS when connecting to the database instance?

A. Have the OS administrator add KING to the OSDBA group
B. Unset REMOTE_LOGIN_PASSWORDFILE
C. Grant DBA to KING
D. Alter user KING to be IDENTIFIED EXTERNALLY
E. Set OS_AUTHENT_PREFIX to OPS$

Answer: B

NEW QUESTION # 155
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:
https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902

NEW QUESTION # 156
Which three instance situations are possible with the Oracle Database server without multi-tenant? (Choose three.)

A. one instance on one server not associated with any database
B. one instance on one server associated with two or more databases on separate servers
C. two or more instances on separate servers all associated with one database
D. one instance on one server associated with two or more databases on the same server
E. one instance on one server associated with one database

Answer: A,B,D

NEW QUESTION # 157
In the ORCL database, UNDOTBS1 is the active undo tablespace with these properties:
1. A size of 100 MB
2. AUTOEXTEND is off
3. UNDO_RETENTION is set to 15 minutes
4. It has RETENTION GUARANTEE
UNDOTBS1 fills with uncommitted undo 10 minutes after the database opens.
What will happen when the next update is attempted by any transaction?

A. It succeeds and the generated undo is stored in SYSAUX.
B. It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
C. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.
D. It succeeds and the generated undo is stored in SYSTEM.
E. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace
'UNDOTBS1' ".

Answer: C

Explanation:
Explanation

NEW QUESTION # 158
Evaluate these commands which execute successfully:

Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence? (Choose two.)

A. Column ORD_NO gets the next number from sequence ORD_SEQ whenever a row is inserted into ORD_ITEMS and no explicit value is given for ORD_NO
B. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ
C. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers
D. Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times
E. If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS

Answer: B,C

NEW QUESTION # 159
......

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