Introduction Nelson Engine System Ltd (NESL) is a small manufacturing company based in Nelson, which builds and supplies plane engines to the European market. The boss Tony Wood recently upgraded NESL's IT system recently. The old IT system used three and six years old stands alone PC's. NESL also installed a Local Area Network (LAN) server system. * The company used another company Global Network to install the network cabling and sockets, they laid these out …showed first 75 words of 2755 total…

…showed last 75 words of 2755 total…because viruses are very harmful. There are different kind of anti virus's software available it is technician's duties to check the virus and remove if found. A Norton antivirus is recommended because this is one of the best programs available on the market. Some computers need to be able to run virus- checking software every time they start their machine. Keep anti virus program up to date also Keep checking and keep virus free package.