Case: Network for additional library branches The library management plans to open TWO (2) more branches in Town A and Town B respectively. The new branches will be required to install TWO (2) desktops for the librarians and THREE (3) self-service Kiosks for the members of the pubic to borrow items such as books, CDs, etc. from the library. The new branches will need to be connected to the Head Office in Town C for data updates and communication between the branches and head office. You are given the following requirements for the network: The new branches will be required to install TWO (2) desktops for the librarians and THREE (3) self-check-out Kiosk terminals for the members of the pubic to borrow library materials. Required: (a) State a list of essential computer equipment, network devices and network services required to set up the network infrastructure. (5 marks) (b) (c) The new branches need to be connected to the Head Office located in Town C where a Library Information System and a Database Server are hosted. A mobile phone App has been made available for all members of the public to borrow and download digital version of the books from the Library Information System hosted in the Head Office. (d) Draw a simple network diagram to illustrate your proposed network infrastructure. You should indicate (label) the computer equipment, network devices and services required clearly to show how they should be connected. You may also indicate the use of wired or wireless connections in the diagram (8 marks) Discuss the business values of implementing Extranets for the organisation. (6 marks) Explain the differences between Transmission Control Protocol/Internet Protocol (TCP/IP) and Voice Over Internet Protocol (VOIP). (6 marks)