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Questions and Answers
What is a common cause of performance issues in multi-tier architectures?
Which of the following directly affects user-perceived performance?
Increasing __ can help reduce queue lengths in a multi-tier application.
Which of the following is NOT a common remedy for database bottlenecks?
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Which technique improves performance by allowing asynchronous processing?
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What is the primary benefit of load testing?
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Which is NOT a common reason for performance issues in multi-tier applications?
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Which technique improves efficiency by reducing duplicated data transfer?
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Vertical scaling improves __ in multi-tier architectures.
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Which testing type verifies application performance under increasing user load?
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Which technique verifies application behavior under sustained high load?
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Caching improves performance primarily by:
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Increasing query efficiency reduces:
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__ bottlenecks are often best addressed by optimization and indexing.
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Study Notes
Performance Issues in Multi-Tier Architectures
- A common cause of performance issues is database bottlenecks.
Factors Affecting User-Perceived Performance
- Increasing throughput directly affects user-perceived performance.
Reducing Queue Lengths
- Increasing throughput can help reduce queue lengths in a multi-tier application.
Remedies for Database Bottlenecks
- Using a faster database is NOT a common remedy for database bottlenecks.
Asynchronous Processing
- Message queuing is a technique that improves performance by allowing asynchronous processing.
Load Testing
- The primary benefit of load testing is to identify performance bottlenecks in an application.
Common Reasons for Performance Issues
- Insufficient resources is NOT a common reason for performance issues in multi-tier applications.
Data Transfer Efficiency
- Data compression is a technique that improves efficiency by reducing duplicated data transfer.
Vertical Scaling
- Vertical scaling improves throughput in multi-tier architectures.
Performance Testing
- Load testing is a type of testing that verifies application performance under increasing user load.
Sustained High Load Testing
- Soak testing is a technique that verifies application behavior under sustained high load.
Caching
- Caching improves performance primarily by reducing the number of database queries.
Query Efficiency
- Increasing query efficiency reduces the time spent on database queries.
Database Optimization
- Database bottlenecks are often best addressed by optimization and indexing.
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Description
Test your knowledge of performance issues in multi-tier architectures with this multiple-choice quiz. Covering topics such as common causes of performance issues, user-perceived performance factors, and remedies for database bottlenecks.
