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Free 1z0-457: Oracle Enterprise Manager 12c Essentials Exam Questions and Answers
Last updated: April 21, 2025
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305-1z0-457: Oracle Enterprise Manager 12c Essentials
#Question
How does monitoring "System Performance" contribute to database management?
A.
By tracking hardware changes
B.
By increasing user sessions
C.
By optimizing resource allocation and performance
D.
By reporting random data
Correct Answer:
C
Monitoring System Performance helps optimize resource allocation and enhances the overall performance of the managed database systems.
#Question
In Oracle Enterprise Manager, what does the "Data Masking" feature help achieve?
A.
Enforce user policies
B.
Speed up query execution
C.
Secure sensitive data
D.
Improve backup performance
Correct Answer:
C
Data Masking helps secure sensitive data to enhance compliance and protect privacy while maintaining usability.
#Question
What is the benefit of using "Multi-Tenant Architecture" in Oracle Database?
A.
Simplified management
B.
Improved performance
C.
Decreased complexity
D.
Increased storage costs
Correct Answer:
B
Multi-Tenant Architecture allows improved performance by managing multiple databases efficiently within a single instance.
#Question
How can "Alert Customization" benefit organizations using Oracle Enterprise Manager?
A.
By automating backups
B.
By managing user permissions
C.
By slowing performance
D.
By tailoring alerts to specific needs
Correct Answer:
D
Alert Customization allows organizations to tailor alerts to their specific operational needs, improving response efficiency.
#Question
What capability does "Database Comparison" offer in Oracle Enterprise Manager?
A.
Performance metrics
B.
Configuration validation
C.
Backup capabilities
D.
User access management
Correct Answer:
B
Database Comparison helps validate and compare configurations between different database instances, ensuring consistency and compliance.
#Question
Which Oracle Enterprise Manager tool would help identify long-running sessions?
A.
Activity Log
B.
SQL Monitoring
C.
Performance Dashboard
D.
Audit Reports
Correct Answer:
B
SQL Monitoring helps identify and analyze long-running sessions affecting performance, enabling targeted optimization.
#Question
What functionality does the "Resource Monitoring" feature provide?
A.
Checks backup status
B.
Manages user accounts
C.
Generates compliance reports
D.
Monitors real-time resource usage
Correct Answer:
D
Resource Monitoring provides insights into real-time resource usage, helping DBAs manage performance effectively.
305-1z0-457: Oracle Enterprise Manager 12c Essentials
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