This thesis includes an introduction and explanation of Data Network Managements using Simple Network Management Protocols(SNMP) as well as a bit part of Remote Network Protocols(RMON). It also reflects on practical experiments for data calculations, uses in real life and, assessments on technological tools and software like PRTG, MRTG, and some MIB browsers. Mian objective of the thesis is to provide help to the network community with better results of the chosen technology.