Question $1$

Prototyping and Implementation Strategies $$

$$ A client requests a prototype of an e$-$commerce system to demonstrate key functionalities before full$-$scale implementation.

$$ Sketch a low$-$fidelity prototype for the "Product Search" and "Checkout" modules.

$$ Based on this prototype, recommend a suitable implementation strategy $($direct cutover, parallel, or phased$)$ and justify your choice.

Question $2$

Quality Assurance in System Projects

$$ A new inventory management system has been deployed for a retail company. Develop a testing plan to ensure quality assurance during the project.

$$ Include at least three types of testing $($e$.$g$.,$ unit, integration, or user acceptance testing$).$

$$ Describe how you would measure the effectiveness of the tests.

Question $3$

Evaluating Maintenance Challenges

$$ An organization is struggling with frequent downtimes and performance issues in its customer relationship management $($CRM$)$ system due to inadequate maintenance.

$$ Create a maintenance schedule that incorporates corrective, adaptive, and preventive maintenance tasks for the CRM system.

$$ Highlight how these tasks address common maintenance challenges.

Question $4$

Security and Disaster Recovery Modeling

$$ Design a disaster recovery plan for a web$-$based learning management system $($LMS$)$ used by a university.

$$ Develop a basic diagram or model outlining the recovery process $($e$.$g$.,$ backup strategy, failover servers$).$

$$ Discuss how this plan addresses security concerns and ensures minimal downtime during disasters.