Phases of Software Development Life Cycle and Agile Methodology

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What is an SDLC?

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A software development life cycle (SDLC) is a methodology followed to create high-quality software.

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What are the six distinct stages of the SDLC?

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1. Planning 2. Analysis 3. Designing 4. Development & Testing 5. Implementation 6. Maintenance

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What is the main focus of the Planning phase in SDLC?

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Requirement gathering and understanding how the software will be used.

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What happens during the Analysis phase of SDLC?

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The team analyzes requirements for feasibility and validity and creates a Requirement Specification document.

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What is the purpose of the Designing phase in SDLC?

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To design the requirements specified in the planning phase and define the overall software architecture.

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What occurs during the Development & Testing phase?

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Coding takes place, and testing is carried out against the requirements.

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What is the Implementation phase in SDLC?

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The phase where the software is delivered to the end-user after successful testing.

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What does the Maintenance phase involve?

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Dealing with problems experienced by customers while using the software.

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What are some advantages of SDLC?

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Ample documentation, easy maintenance, effective development standards.

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What are some disadvantages of SDLC?

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Inflexible to changes, difficult to estimate costs, unsuitable for many iterations.