Covers a wide geographical area which includes multiple computers or LANs e.g. Internet
Case Study - I MoneyMaker is a bank having its registered office at Delhi. It has branches at Mumbai, Chennai, Hyderabad and Bangalore. The operating departments in the bank are Finance, Insurance, Loan, IT, Marketing, Customer Service and HR. MoneyMaker bank uses LAN as their computer network for each department. All the branches of the bank from different cities are connected through WAN. The bank is expanding and decided to open its branches at different locations in the city.
Problem Determine which type of network to be used within a city
Suggested Solution Use LAN computer network for each department in the new branch. MAN can be used for connecting the different branches of the bank within the city
Case Study - II The Customer Service department of MoneyMaker bank provides online services to the customers. At Hyderabad branch, the Customer Service department network is not functioning properly. So the bank has decided to build an alternative network for that department .
Performance, reliability and security are the network selection criterion which enables to choose efficient network
Standards organizations like ISO and ANSI develop technical and non- technical standards
International standards organizations are International Standard Organization (ISO), International Telecommunication Union (ITU), Institute of Electrical and Electronics Engineers (IEEE) and World Wide Web Consortium (W3C)