Software Development Life Cycle Models MCQs 2026

Waterfall SDLC model is best defined as

1. A overlapping iterations without documentation ✓
2. B no testing phase ever ✓
3. C only prototyping without requirements ✓
4. D sequential phases where each phase completes before the next begins ✓

V-Model is best defined as

1. A only coding without verification ✓
2. B marketing phases only ✓
3. C hardware assembly only ✓
4. D each development phase paired with a corresponding test phase ✓

Spiral model is best defined as

1. A single pass delivery only ✓
2. B no stakeholder review ✓
3. C iterative cycles with explicit risk analysis at each revolution ✓
4. D no prototyping allowed ✓

incremental delivery is best defined as

1. A successive releases each adding subsets of total functionality ✓
2. B one release after thirty years only ✓
3. C hardware-only increments ✓
4. D no integration testing ✓

traceability matrix is best defined as

1. A mapping requirements through design to tests ✓
2. B employee salary table ✓
3. C coffee inventory ✓
4. D font catalog only ✓

validation is best defined as

1. A confirming the right product is built for user needs ✓
2. B syntax correctness only ✓
3. C indentation style only ✓
4. D logo colour only ✓

iterative development is best defined as

1. A strictly linear single pass ✓
2. B repeated cycles of design, build and evaluate ✓
3. C no user feedback loops ✓
4. D only maintenance activities ✓

RAD approach is best defined as

1. A heavy user involvement, prototyping and CASE tools ✓
2. B frozen specs for a decade ✓
3. C no user contact ✓
4. D manual machine code only ✓

prototyping for requirements is best defined as

1. A replacing all formal testing ✓
2. B eliminating design documents always ✓
3. C avoiding users entirely ✓
4. D clarifying ambiguous needs via executable or mock-up models ✓

feasibility study is best defined as

1. A choosing UI colours only ✓
2. B assessing technical, economic, schedule and operational viability ✓
3. C cafeteria planning only ✓
4. D selecting IDE themes only ✓

requirements phase is best defined as

1. A deployment to production only ✓
2. B eliciting, analyzing and documenting stakeholder needs ✓
3. C deleting legacy data only ✓
4. D printing manuals before analysis ✓

design phase is best defined as

1. A only debugging production ✓
2. B only payroll processing ✓
3. C only ad copy writing ✓
4. D creating architecture and detailed specifications ✓

implementation phase is best defined as

1. A acceptance testing only ✓
2. B constructing software modules per approved design ✓
3. C contract signing only ✓
4. D hardware disposal only ✓

integration testing is best defined as

1. A syntax check of one line only ✓
2. B verifying interfaces between combined modules ✓
3. C office seating charts ✓
4. D employee leave forms ✓

acceptance testing is best defined as

1. A compiler settings only ✓
2. B confirming the system satisfies user acceptance criteria ✓
3. C developer satisfaction only ✓
4. D database vendor preference ✓

corrective maintenance is best defined as

1. A adapting to new tax law only ✓
2. B adding unrequested features ✓
3. C rewriting for new language fashion ✓
4. D fixing discovered faults in delivered software ✓

verification is best defined as

1. A fitness for user needs only ✓
2. B office decor compliance ✓
3. C checking conformance to specifications — building the product right ✓
4. D warehouse temperature ✓

work breakdown structure is best defined as

1. A tokenizing source text ✓
2. B organizing lunch menus ✓
3. C sorting keyboard brands ✓
4. D hierarchical decomposition of project deliverables ✓

change control board is best defined as

1. A team that writes all code alone ✓
2. B group that evaluates and dispositions change requests ✓
3. C cafeteria committee ✓
4. D hardware paint crew ✓

configuration baseline is best defined as

1. A random draft note ✓
2. B unlabeled backup ✓
3. C approved configuration item version used as reference ✓
4. D informal chat log ✓

ISO 12207 is best defined as

1. A Wi-Fi protocol spec ✓
2. B food hygiene code ✓
3. C motor oil viscosity grades ✓
4. D international standard for software life cycle processes ✓

CMMI maturity is best defined as

1. A only Agile to Waterfall mapping ✓
2. B medal ranks in sports only ✓
3. C GPU clock speeds ✓
4. D process improvement levels from Initial to Optimizing ✓

Brooks Law is best defined as

1. A adding people to a late project often makes it later ✓
2. B always accelerates delivery linearly ✓
3. C has zero communication cost ✓
4. D eliminates all defects ✓

software crisis is best defined as

1. A abundance of perfect software ✓
2. B large projects missing cost, schedule and quality targets ✓
3. C shortage of electricity only ✓
4. D excess of finished systems ✓

preventive maintenance is best defined as

1. A actions to reduce future failure likelihood ✓
2. B ignoring technical debt ✓
3. C deleting specs ✓
4. D freezing code forever ✓

perfective maintenance is best defined as

1. A improving performance or capabilities per user request ✓
2. B replacing power supplies ✓
3. C cable colour standards ✓
4. D parking policies ✓

adaptive maintenance is best defined as

1. A fixing sort algorithm bugs only ✓
2. B comment spelling only ✓
3. C IDE theme updates ✓
4. D modifying software for environmental changes ✓