REQUIRED A) Explain the difference between the two similar technologies: Video Conference and Telephone conference. [5 Marks] B) Many companies use video conferencing instead of a physical face-to-face conferencing. i) Identify and discuss any two (2) advantages that are associated to Video Conference. [10 Marks] ii) Identify and discuss any two (2) disadvantages that are associated to Video Conference. [10 Marks] C) i) Using a diagram and from a technical point of view, explain how a video conference link between two distant sites / offices may be setup. [Assume the use of a personal computer at either site / office] [15 Marks] ii) Identify any two (2) relevant hardware or network device utilised in C) (i) above and clearly explain the role performed by each one of them in the Video Conference setup. [The assumption is that we are using personal computers and we should therefore exclude the items which are normally supplied as part of a personal computer]. [10 Marks]