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Oracle 1Z0-083 (Oracle Database Administration II) Certification Exam is a professional certification exam offered by Oracle Corporation. It is designed for database administrators who have a strong knowledge of Oracle Database 19c and its related technologies. 1Z0-083 exam tests the candidate's ability to perform complex database administration tasks such as database diagnostics, performance tuning, backup and recovery, and high availability. Passing 1Z0-083 exam validates the candidate's expertise in Oracle Database Administration and proves their ability to handle complex database environments.

Oracle 1Z0-083 Exam is a certification exam designed for database administrators who want to validate their skills and knowledge in managing an Oracle database. It measures the candidate’s ability to perform complex database administration tasks such as backup and recovery, database tuning, database security, and high availability. Passing 1Z0-083 exam is a requirement for earning the Oracle Database Administration II certification.

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Oracle 1Z0-083 Certification Exam is a challenging but rewarding opportunity for professionals who want to demonstrate their expertise in Oracle database administration. By earning this certification, candidates can enhance their credibility as database administrators, increase their earning potential, and gain access to a wide range of career opportunities in the IT industry.

Oracle Database Administration II Sample Questions (Q186-Q191):

NEW QUESTION # 186
Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)

• A. SQL statements that were originally run concurrently are run concurrently by SPA.
• B. It offers fine-grained analysis of all the SQL statements in the analysis task as a group.
• C. It predicts the impact of system changes on SQL workload response time.
• D. It provides before and after execution statistics for each SQL statement in the analysis task
• E. It is integrated with the SQL Access Advisor.

Answer: B,C

Explanation:
Reference:
https://www.oracle.com/technetwork/database/manageability/spa-ow09-131455.pdf (4)

NEW QUESTION # 187
Examine this configuration:

To recover from this critical failure, you execute these commands:

What will be the outcome?
A)

B)

C)

D)

E)

• A. Option E
• B. Option B
• C. Option A
• D. Option D
• E. Option C

Answer: C

NEW QUESTION # 188
choose three Which three RMAN persistent settings can be set explicitly?

• A. redo log backup duplexing
• B. archive log backup duplexing
• C. image copy duplexing
• D. control file auto backup formats
• E. SPFILE backup duplexing
• F. archive log deletion policy

Answer: B,D,F

NEW QUESTION # 189
You notice that the performance of your production 24x7 Oracle 12c database has significantly degraded. Sometimes, you are not able to connect to the database instance because it hangs.
How can you detect the cause of the degraded performance?

• A. by running ADDM to fetch information from the latest Automatic Workload Repository (AWR) snapshots
• B. by using Active Session History (ASH) data and performing hang analysis
• C. by performing emergency monitoring using Real-Time Automatic Database Diagnostic Monitor (ADDM) to fetch data directly from SGA for analysis
• D. by running ADDM in diagnostic mode

Answer: C

NEW QUESTION # 190
Which two are true about the character sets used in an Oracle database? (Choose two.)

• A. Single-byte character sets always use 7-bit encoding schemes.
• B. Unicode is the only supported character set for Oracle databases created using Database Configuration Assistant (DBCA).
• C. Single-byte character sets provide better performance than multibyte character sets.
• D. Unicode enables information from any language to be stored using a single character set.
• E. Multibyte character sets allow more efficient space utilization than single byte character sets.
• F. Single-byte character sets always use 8-bit encoding schemes.

Answer: C,D

Explanation:
Reference:
https://docs.oracle.com/database/121/NLSPG/ch2charset.htm#NLSPG166

NEW QUESTION # 191
......

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