This bachelor thesis deals with small local area networks which are used mainly at households. The work is divided into four main parts. The first describes the theoretical part of the networks, contains types of topologies, network models and the description of network devices. It also deals with both copper and wireless networks. The second part is focused on introducing the current status of my home network, which is extended in the third part of this work. The extension includes adding the server and providing network services. There is shortly described the setting of the services and the verification of the functionality in practice as well. The last part of this bachelor thesis is devoted to the project of the small business network ...