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Introduction to computer networks

  • Class 30
  • Practice 30
  • Independent work 90
Total 150

Course title

Introduction to computer networks

Lecture type

Obligatory

Course code

21-00-501

Semester

1

ECTS

5

Lecturers and associates

Course overview

The aim of this module is to enable students to learn to understand how network communication is achieved, and how to implement a functional SOHO (Small Office Home Office) computer network

Students wll learn:
• To recognize key elements of computer network architectureTerminology and technologies used in computer networks
• How to use referent models to explain communication in the network
• How to use tools for analyzing network traffic
• To create and address a scheme for a small network
• To choose equipment for a small network
• How to implement a small network in a network simulator
• To recognize network security features
• To recognize Wireless network communication role in modern network

This module is important to support students understanding of how to enable communication between devices in the network functions. For this purpose, the OSI model is used to explain all the necessary steps in establishing, maintaining, and closing the communication between devices in the network. This is the first module where students have the opportunity to use tools and commands to interact with other devices in the network and analyze network communication as well as use a network simulator to implement a functional SOHO (Small Office Home Office).

Content

In this course, students are introduced to general architecture and key characteristics of computer networks as well as network terminology, technologies, and tools typically used in computer networks. For explaining technologies, their interdependencies, and generally how network communication occurs the 7 layer OSI (Open Systems Interconnection) model is used. Special attention is given to transport, network, and data-link layers and underlying mechanisms that make communication over the network possible. The main focus is to learn through analyzing network traffic and interpreting what is happening on the network and why as well as hands-on labs and work process documentation by students. At the end of the course, students will be able to create a small network with an addressing scheme and explain what are the key elements of a secure network environment and how wireless networks are used today.

Literature

Essential reading:
1. Cisco (2021) Cisco Networking Academy module Introduction to Networks [Online]. Available at: www.netacad.com (Accessed: 21 April 2021)

Recommended reading:
1. Cisco (2020) Campus LAN and Wireless LAN Solution Design Guide [Online]. Available at: https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Campus/cisco-campus-lan-wlan-design-guide.html (Accessed: 21 April 2021)

Further reading:
1. Johnson A. (2020) 31 Days Before Your CCNA Exam: A Day-By-Day Review Guide for the CCNA 200-301 Certification Exam. Cisco Press. 221 River Street, Hoboken, NJ 07030

Minimal learning outcomes

  • Define the role of computer network and network technologies
  • Analyze computer communication using software tools for network traffic analysis
  • Configure devices in a network topology with multiple subnets
  • Define the architecture and role of wireless communication networks
  • Define the role of cybersecurity in IT systems

Preferred learning outcomes

  • Choose network technologies according to business needs
  • Determine the state of communication using software tools for network traffic analysis
  • Create a functional network topology with multiple subnets
  • Compare different wireless technologies used today
  • Compare security threats with regards to impact severity to IT systems
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