To survive in this competitive business environment, companies must ensure their computer network is efficient to have the capability to help them to win and get many business opportunities around the world. As people know, the Internet boom up allows human contact with their business partners, suppliers, value customers, friends and family etc at anytime and anyplace.

To maintain the perfect and stable computer service is very important nowadays. Sometimes, company prefers to recruit a computer technician in the office for immediate supporting. However, it is quite time-consuming to find a good staff, high cost of salary, huge amount when redundancy, etc.