newton_lopez,raphaelervin-assignment2

 =__//**Disadvantages of Computer Networks**//__ Following are some of the major disadvantages of computer networks. = A person should get well acquainted with the advantages and disadvantages of computer networks, before setting one up for his personal or office use. A knowledge of the pros and cons of computer networks can help him in designing a useful system for himself.
 * //**__Security Issue__s**//: One of the major drawbacks of computer networks is the [|security] issues involved. If a computer is a standalone, physical access becomes necessary for any kind of data theft. However, if a computer is on a network, a computer [|hacker] can get unauthorized access by using different tools. In case of big organizations, various network security softwares are used to prevent the theft of any confidential and classified data.
 * __//**Rapid Spread of Computer Viruses**//__: If any computer system in a network gets affected by [|computer virus], there is a possible threat of other systems getting affected too. Viruses get spread on a network easily because of the interconnectivity of workstations. Such spread can be dangerous if the computers have important database which can get corrupted by the virus.
 * __//**Expensive Set Up**//__: The initial set up cost of a computer network can be high depending on the number of computers to be connected. Costly devices like [|routers], switches, [|hubs] , etc., can add up to the bills of a person trying to install a computer network. He will also have to buy NICs (Network Interface Cards) for each of the workstations, in case they are not inbuilt.
 * __//**Dependency on the Main File Server**//__: In case the main File Server of a computer network breaks down, the system becomes useless. In case of big networks, the File Server should be a powerful computer, which often makes it expensive.