What is system testing and what are its types and advantages?

System Testing

Definition: System testing is a high-level testing phase where the complete and integrated software application is tested as a whole. The goal is to evaluate the system’s compliance with the specified requirements.

Types of System Testing:

Functional Testing:

• Description: Tests the functional requirements of the system.
• Advantage: Ensures that the application behaves as expected.

Non-Functional Testing:

• Description: Tests non-functional aspects like performance, usability, and reliability.
• Advantage: Ensures the system meets quality standards beyond just functionality.

Performance Testing:

• Description: Assesses the system’s performance under various conditions.
• Advantage: Identifies performance bottlenecks and ensures the system can handle expected loads.

Security Testing:

• Description: Evaluate the system’s security mechanisms.
• Advantage: Ensures data protection and system security against threats.

Usability Testing:

• Description: Tests the user-friendliness and intuitive nature of the application.
• Advantage: Ensures a positive user experience and increases user satisfaction.

Compatibility Testing:

• Description: Check if the application works across different devices, browsers, and operating systems.
• Advantage: Ensures broader reach and usability across various platforms.

Advantages of System Testing:

• End-to-End Testing: Validates the complete system’s functionality and performance.
• Requirement Verification: Ensures all requirements are met.
• Risk Mitigation: Identifies defects that might not be found in earlier testing phases.
• Quality Assurance: Enhances the overall quality and reliability of the software.

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