SCENARIO: The Crescent University of Singapore (CUS) is amongst Singapore's Premier Private Universities, consistently ranked within the top 10 universities in the world and is considered to be the best university in the Asia-Pacific. The CUS is a comprehensive research university, offering a wide range of programmes, including the computer sciences, medicine, design and environment, arts, social sciences, law, engineering, and business at both the undergraduate and postgraduate levels. The ICT department of CUS will carry out an IT infrastructure review every year to determine the efficiency of academic and administrative systems employed by CUS. This review will help CUS to reduce the overall costs spent on IT and also improve its reliability further down the line. This year, in the month of August, ICT department of CUS has carried out an IT infrastructure review and came to know the senate committee's expectations of the university and it needs to be fulfilled to achieve university's objectives in the forthcoming academic year.

Question 1

The Faculty Block A of CUS Campus has 7 floor of flexible work spaces, all classrooms and lecture halls are equipped with audio-visual, media and computing facilities to support teaching and learning process in the class. But the senate committee of CUS has realized that the wireless network (Wi-Fi) environment existing now is employed with the wireless standard which is currently outdated. So, they have directed the ICT department to update the existing wireless network with the latest wireless standards. The head of ICT department assigned you with a task you to choose appropriate wireless standard that suits senate committee's expectations. Justify your choice of selecting the proposed wireless standard by discussing at least FIVE (5) reasons to support your argument.

Question 2

The CUS is always like to implement most cutting edge wireless communications technologies for its research centers. Recently, the senate committee came to know that there is a wireless Visible Light Communication technology which delivers high-speed internet, bidirectional mobile communications in a much more secure way with the top speed of 210Gbps. You are tasked to evaluate and choose the best wireless Visible Light Communication technology that the CUS senate committee is looking for. Which wireless Visible Light Communication technology you propose? Justify your choice of selecting the proposed technology by discussing its working principle, advantages and limitations.