Mr. Lee Zledin is a system analyst of Advanced IT Service Firm. The firm has successfully engaged a local consumer electronics retailer, MElecQ, which sells a range of products including kitchen and home appliances, digital gadgets etc in their physical outlets. MElecQ would to have a Webstore system for online consumer electronics selling as part of the initiative to expand the business. Mr. Lee Zledin has been assigned the tasks by the firm to lead a project team consists of system designers and web programmers to develop the system based on traditional system development life cycle methodology.

(a).Recommend TWO (2) suitable maintenance strategies of the Webstore. You need to ensure the web portal can be done on site to ensure the best online presence of the system as much as possible with the aims of repairing minor bug and safeguard the system. Choose two out of this 4 maintenance, corrective, adaptive, perfective and preventive and explain using the description given above. (4%)