As a network security professional for a university campus, you are asked to procure network security hardware. The objective is to increase the privacy of the network users. a) Justify the use of specific security hardware in the context of CIA and be specific about each pillar and the relevant hardware solutions. b) Discuss the advantages and disadvantages of laaS or PaaS solutions, instead of using physical hardware. Comparison in Tabular form (not Essay) of Operating System [3] Compare the three types of Operating Systems 1. Microsoft based (Windows) 2. Apple based (OSX) 3. Unix based (Linux Distributions) Based on the four main criteria listed below (cover each sub criteria): General Criteria: 1. Cost 2. 3. 4. Ease of use Hardware portability Software portability Installation Criteria: Live CD trial version Disk and Partition Format File system support Boot manager (dual boot) Support Criteria: Patch Management Software update Vendor support Community support Security Criteria: Secure Architecture Security Components Third party Security 5. Final Conclusions (Please include your opinion of the best OS and justify your opinion)