Computer networks in SMEs

Ahmed Munir

Master's thesis

Abstract:

Computer networks are all around us and its essential for effective communication, research and development, modern education, sharing knowledge, entertainment and of course for business. Day by day small and medium-sized enterprise is growing significantly because of the improvement of communication. in Europe, there were an estimated 25.1 million small and medium-sized (SMEs) in 2018. business owners are communicating with their clients very efficiently. High-speed computer network provides enormous advantage and increases productivity and easy communication as well.Even though The internet is a fantastic place for communication and sharing information, there are many malicious threats ( e.g. spam, adware, DDoS, virus ) available. Small and medium-sized enterprise computer networks are facing these kinds of threats every day and securing networks is a huge challenge for IT engineers. For any type of business, data is very important and when these data are sharing over the network, a lot of risks are coming. Hackers are very clever and changing their attacking pattern so securing a computer network is a continuous process. In this thesis, I discussed network threats and how to protect computer networks from malicious activity. network monitoring and network devices securing process have been discussed.

Keywords

Computer network, LAN, WAN, Protocols, network devices, Networking devices, Internet protocol, Internet threats, network security

Language used: English

Date on which the thesis was submitted / produced: 30. 11. 2020

Thesis defence

• Supervisor: Ing. Pavel Šimek, Ph.D.

Czech University of Life Sciences Prague

Faculty of Economics and Management

Master programme / field:
Systems Engineering and Informatics / Informatics