Building and use of small computer networks

This paper deals with small local area networks. It describes types of network topologies. The paper also deals with network models and gives a brief review of basic protocols. Next part discusses Ethernet metallic network types and also wireless networks. Mentioning wireless networks it focuses on standards of signal transmission and instruments providing their security. Last theoretical part is devoted to active parts of local area networks. In the practical part of this paper are described instruments for building a home local area network and also suggestions for their improvement. This paper also deals with a small local area network with ten stations designed for enterprise usage. It also examines about choosing appropriate server for both environments. Last topic is building own home local area network. This network provides Internet connection and ensures network security through network server. Linux distributions are being briefly discussed, concretely distribution Ubuntu, which is installed on the network server. Work goes through basic configuration of the server, which provides basic functionality of local metallic and wireless network. In this part, link aggregation is being described. Server configuration also uses RAID technology. Some services are being provided by the server in the network, such as DHCP, FTP, Samba, basic configuration of these services is also included in this paper.