What is the difference between functional and non-functional requirements?

 Quality Thought Provides the Best Business Analyst Training Course in Hyderabad

If you’re looking to build a career as a Business Analyst, Quality Thought offers one of the most comprehensive and industry-leading Business Analyst Training Courses in Hyderabad. Our course is designed to equip professionals with the knowledge, tools, and techniques needed to excel in the field of business analysis and ensure they meet the ever-growing demands of businesses across various industries.

Why Choose Quality Thought for Business Analyst Training in Hyderabad?

At Quality Thought, we focus on providing high-quality, practical, and industry-relevant training that prepares you for real-world challenges. Our Business Analyst Training in Hyderabad is designed by experienced industry professionals who understand the nuances of the role and what skills are required to be successful.

A Business Analyst (BA) is the bridge between the business side and the technical side, making sure both groups understand each other and stay aligned. Clear communication is the BA’s superpower, and here’s how they make it happen:

A Business Analyst (BA) plays a critical role in supporting testing and quality assurance (QA) throughout the software development lifecycle. Their involvement helps ensure that the product meets business requirements, user expectations, and quality standards. Here’s how a Business Analyst can support testing and QA  

Great question! In Business Analysis and Software Development, requirements are broadly classified into functional and non-functional requirements, and both are crucial for building successful systems.

🔹 Functional Requirements

  • Definition: Describe what the system should do—the features, functions, and behaviors it must provide.

  • Focus: Business logic, processes, and interactions.

  • Examples:

    • The system must allow users to log in using a username and password.

    • Customers should be able to add items to a shopping cart.

    • The application must generate monthly sales reports.

  • Purpose: Ensure the system delivers the required capabilities to meet business goals.

🔹 Non-Functional Requirements (NFRs)

  • Definition: Define how the system should perform and the quality attributes it must have.

  • Focus: Performance, usability, security, reliability, scalability, etc.

  • Examples:

    • The website should load within 3 seconds under normal traffic.

    • The system must support 1,000 concurrent users.

    • Data must be encrypted in transit and at rest.

    • The application should have 99.9% uptime.

  • Purpose: Ensure the system is efficient, secure, and user-friendly.

✅ Key Difference:

  • Functional requirements = What the system does.

  • Non-functional requirements = How well the system does it.

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What are the key skills required for a Business Analyst?

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