TEST ORACLE 1Z0-083 DURATION & EXAMCOLLECTION 1Z0-083 DUMPS

Test Oracle 1Z0-083 Duration & Examcollection 1Z0-083 Dumps

Test Oracle 1Z0-083 Duration & Examcollection 1Z0-083 Dumps

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Tags: Test 1Z0-083 Duration, Examcollection 1Z0-083 Dumps, 1Z0-083 Valid Exam Syllabus, 100% 1Z0-083 Correct Answers, New 1Z0-083 Exam Test

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Oracle 1Z0-083 exam is a certification exam designed for professionals seeking to validate their skills and knowledge in Oracle database administration. 1Z0-083 exam is the second step towards becoming an Oracle Database Administrator Certified Professional. 1Z0-083 exam covers advanced topics related to Oracle database administration, such as database architecture, backup and recovery, performance tuning, security, and high availability. 1Z0-083 exam consists of 84 multiple-choice questions, and candidates have 105 minutes to complete the exam. To pass the exam, candidates must score at least 64%.

Oracle 1Z1-083 (Oracle Database Administration II) Exam is a certification exam designed for database administrators, database developers, and IT professionals who want to validate their skills in managing and administering Oracle databases. 1Z0-083 Exam Tests the candidate's knowledge and understanding of advanced database administration concepts, including backup and recovery, performance tuning, security, and troubleshooting. Passing 1Z0-083 exam demonstrates that the candidate has the knowledge and skills required to manage and maintain Oracle databases efficiently.

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As the tech industry continues to evolve and adapt to new technologies, professionals who hold the Oracle Database Administration II (1Z0-083) certification are better equipped to navigate these changes and stay ahead of the curve, increasing their value to employers and clients. In today's fast-paced and ever-changing Oracle sector, having the Oracle 1Z0-083 Certification has become a necessary requirement for individuals looking to advance their careers and stay competitive in the job market.

Oracle 1Z1-083 exam is a comprehensive test that covers a wide range of topics related to database administration. It requires candidates to have a thorough understanding of database concepts and a deep knowledge of Oracle database technology. 1Z0-083 Exam covers topics such as managing database instances, managing storage structures, managing users and security, and managing data concurrency.

Oracle Database Administration II Sample Questions (Q58-Q63):

NEW QUESTION # 58
Examine this configuration:
28.CDB1is a container database.
29.COMMON_USER_PREFIXis set to an empty string.
30.PDB1is a pluggable database in CDB1.
31.APP1_ROOTis an application container in CDB1.
32.APP1_PDB1is an application PDB in APP1_ROOT.
You execute these commands:
$ sqlplus sys/oracle@localhost:1521/cdb1 as sysdba
SQL> CREATE ROLE role1 CONTAINER=CURRENT;
What is true?

  • A. It will return an error because creation of a local role is not allowed in CDB$ROOT.
  • B. ROLE1 will be created only in CDB$ROOT and APP1_ROOT.
  • C. ROLE1 will be created in CDB$ROOT, PDB1, APP1_ROOT, and APP1_PDB1.
  • D. It will return an error because common roles must start with C##.
  • E. ROLE1 will be created only in CDB$ROOT.

Answer: A

Explanation:
SQL> create role testrole container=current;
create role testrole container=current
* ERROR at line 1:
ORA-65049: Creation of local user or role is not allowed in this container.


NEW QUESTION # 59
Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)? (Choose three.)

  • A. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in MOUNT state.
  • B. An Oracle database can be restored from backup files copied using O/S utilities.
  • C. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be shut down.
  • D. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as IMAGE COPIES.
  • E. Backing up a database in NOARCHIVELOGmode using O/S utilities requires that the database instance be started and the dataabse be in the MOUNT state.
  • F. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in OPEN state.
  • G. Oracle archive log backups, copied using an O/S utility, can be added to the RMAN catalog as a backup set.

Answer: B,C,D

Explanation:
A,B,G are not right because the question is telling us 'without RMAN'. To put it in mount/open or so, are necessary only in case of using RMAN. Otherwise, using OS Utils, DB must be closed or maximum in NOMOUNT state.
F is incorrect as according to the following note only archivelog, backuppiece, controlfilecopy or datafilecopy can be cataloged
https://docs.oracle.com/cd/B19306_01/backup.102/b14194/rcmsynta011.htm


NEW QUESTION # 60
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

  • A. Index balanced B*Tree height is considered when evaluating the cost of using an index.
  • B. The number of table rows is considered when evaluating the cost of accessing a table using an index.
  • C. The Statistics Advisor generates actions for all recommendations.
  • D. The Statistics Advisor can help recommend the best way to gather statistics.
  • E. Statistics collected using DBMS_STATS always yield the best optimizer result.

Answer: A,D

Explanation:
https://docs.oracle.com/database/121/TGSQL/tgsql_optcncpt.htm#TGSQL218
B is correct. The cost of an index scan depends on the levels in the B-tree, the number of index leaf blocks to be scanned, and the number of rows to be fetched using the rowid in the index keys. The cost of fetching rows using rowids depends on the index clustering factor.
C is correct. The output of the advisor is a report of findings and recommendations, which helps you follow best practices for gathering statistics.


NEW QUESTION # 61
Which three are true about actions that can or cannot be performed by users with the SYSBACKUP privilege?
(Choose three.)

  • A. They can create any table.
  • B. They cannot drop tablespaces.
  • C. They cannot create restore points.
  • D. They can view data from any data dictionary view or dynamic performance view.
  • E. They can drop any tablespace.
  • F. They can view data from any user-defined tables.

Answer: A,B


NEW QUESTION # 62
A redaction policy was added to the SAL column of the SCOTT.EMP table: BEGIN DBMS_REDACT.ADD_POLICY( object_schema object_name column_name policy_name function_type expression => 'SCOTT', => 'EMP', => 'SAL', => 'SCOTT_EMP', => DBMS_REDACT.FULL, => 'SYS_CONTEXT(''SYS_SESSION_ROLES'',''MGR'') END; All users have their default set of system privileges. For which three situations will data not be redacted?

  • A. SYSTEM session, only if the MGR role is set in the session
  • B. SCOTTsessions,becauseheistheownerofthetable
  • C. SCOTT sessions, only if the MGR role is set in the session
  • D. SCOTT sessions, only if the MGR role is granted to SCOTT
  • E. SYSsessions,regardlessoftherolesthataresetinthesession
  • F. SYSTEMsessions,regardlessoftherolesthataresetinthesession

Answer: C,E,F


NEW QUESTION # 63
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