+251 111 559769      info@hilcoe.net
     +251 111 559769      info@hilcoe.net

Data Communications and Computer Networks

Course Objectives

At the end of the course, students will

  • be introduced to the fundamentals of computer networking and the Internet,
  • know different transmission media and their characteristics,
  • be introduced to the architectures and protocols of computer networks and the Internet,
  • gain a broad understanding of computer networks and data communications, and
  • have a an understanding of network security and network management.

Course Description

This course is designed to introduce the students to basic principles and techniques of data communication in computer networks. Topics covered include: applications of computer networks; overview of the OSI and TCP/IP reference models, the Internet; network types: LAN, MAN, WAN, Intranet, Internet; network protocols; analog and digital signals, modulation, multiplexing, synchronous and asynchronous communication; guided and unguided transmission media and their characteristics: guided media (twisted pair, coaxial cable, fiber optic), unguided media (satellite, microwave, radio), encoding, multiplexing, transmission impairments; connecting devices: repeater, hub, switch, bridge, router, gateway, firewall; switching techniques: circuit switching, packet switching, message switching; error detection and correction; flow and error control; multiple access methods; network topologies: bus, ring, star, mesh; LANs: Ethernet (standard, fast, gigabit), token bus, token ring; WANs: addressing, routing.

Course Content

  1. Introduction to Networking
  2. Protocols and Architectures
  3. Data Encoding, Data Transmission and Multiplexing
  4. Data Link Control
  5. Local Area networking technologies
  6. Internetworking Devices
  7. WANs
  8. The Internet