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Introduction to Oracle 1z0-082: Oracle Database Adminstration 1 Exam
Oracle Database 12c: RAC and Grid Infrastructure Administration Exam assess the abilities of the Database Administrators and System Administrators who have at least 1 year of experience in RAC and Grid Infrastructure. The candidates should have the ability to install, manage, tracking, tuning and restoring RAC databases, cluster, and Oracle Automatic Storage Management (ASM). They should have a good understanding of the architectures of the ASM, Clusterware, and Oracle RAC databases. They should also know how to install, setup, backup, and recovery monitoring and tuning of these components.
Oracle Real Application Clusters (RAC) in database computing is a choice for Oracle Database software developed by Oracle Corporation, it provides clustering software and high availability in Oracle database environments. With the Enterprise Version, Oracle Corporation includes RAC, provided the nodes are clustered using Oracle Clusterware. Oracle RAC allows several machines when accessing a single database, to run Oracle RDBMS software simultaneously, offering to cluster.
The Oracle Grid Infrastructure for an independent server is the Oracle software that offers system support for a database including the file system, volume management, and automation of the restart process. If you want to utilize the Oracle restart or Oracle Automatic Storage Management (ASM) services, you have to install Oracle grid infrastructure before installing Oracle Database.
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Oracle Database Administration I Sample Questions (Q82-Q87):
NEW QUESTION # 82
Which three statements are true about the tools used to configure Oracle Net Services? (Choose three.)
- A. The Oracle Net Configuration Assistant is only used when running the Oracle installer
- B. Enterprise Manager Cloud Control can be used to centrally configure net service names for any database server target
- C. Oracle Net Manager can be used to locally configure naming methods on a database server
- D. Enterprise Manager Cloud Control can be used to centrally configure listeners on any managed database server
- E. The lsnrctl utility requires a listener.ora file to exist before it is started
- F. Oracle Net Manager can be used to centrally configure listeners on any database server target
Answer: C,D,F
NEW QUESTION # 83
The SCOTT/TIGER user exists in two databases, BOSTON_DB and DALLAS_DB, in two different locations.
Each database has a tnsnames.ora file defining DALLAS_DB as a service name.
Examine this command:
CREATE DATABASE LINK dblink1 CONNECT TO scott IDENTIFIED BY tiger USING 'dallas_db'; How do you execute the command so that only SCOTT in BOSTON_DB can access the SCOTT schema in DALLAS_DB?
- A. as SCOTT in BOSTON_DB
- B. as SCOTT in DALLAS_DB
- C. as SCOTT in BOSTON_DB and SYS in DALLAS_DB
- D. as SCOTT in both the databases
- E. as SYS in both the databases
Answer: E
NEW QUESTION # 84
Which two statements are true about User Authentication in an Oracle Database?
- A. REKOTE_LOGIN_PASSMOREFiLE must be set to exclusive to permit password changes for system-privileged administrative users.
- B. Password File authentication is supported for any type of database user.
- C. Password authentication must be used for system-privileged administrative users.
- D. Password File authentication must be used for system-privileged administrative users.
- E. Operating System authentication may be used for system-privileged administrative users.
Answer: C,E
NEW QUESTION # 85
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 fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace
'UNDOTBS1' ". - C. It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
- D. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.
- E. It succeeds and the generated undo is stored in SYSTEM.
Answer: D
Explanation:
Explanation
NEW QUESTION # 86
You execute this command:
During the export operation, you detach from the job by using CTRL+C and then execute this command:
Export> STOP_JOB=immediate
Are you sure you wish to stop the job ([yes]/no): yes
Which two statements are true about the job? (Choose two.)
- A. You can no longer monitor it
- B. You can reattach to it and monitor it
- C. It continues to run in the background
- D. It is paused and can be resumed
- E. It terminates
Answer: A,E
Explanation:
Explanation/Reference: https://blog.oracle48.nl/killing-and-resuming-datapump-expdp-and-impdp-jobs/
NEW QUESTION # 87
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