Network technologies and data communications

Network technologies and data communications

Course Summary

Basic course in network technology and data communication

This is a clear introduction to how modern computer networks work – from basic terminology to network architecture, protocols and standards. Everything is put into a practical context to understand how the different parts are connected and why today’s IT environment looks the way it does.

This is a hands-on training where you work together with our experts and other participants on concrete solutions, which you can immediately use when you are back in your workplace.

The course provides you with the tools to manage, troubleshoot and localize problems on the local network, while learning how to communicate effectively with external actors such as hosting companies and internet service providers.

Please note that the course is sometimes organized in cooperation with our partners, which means that a guaranteed start does not always apply, especially for courses in Gothenburg.

After completing your training, you will

  • Have an understanding of terminology
  • Understand the difference between bridges, switches and routers
  • Have basic knowledge of network configuration, maintenance, administration and security.
  • Know how addressing at different levels (MAC/IP) works in networks.
  • Feel confident in your role at the company.
  • Know how and in which steps data networks are built.
  • Basic understanding of protocols, architectures and standards.
  • Be familiar with different products and market players.

This course is perfect for those who want a basic but solid start in networking and data communications, whether you are aiming to become a network technician, IT administrator or requirements engineer.

No specific prior knowledge required

This course has no certification

We have several trainers for this course.

 

1. overview – networks and data communications

  • History of the Internet
  • LAN, MAN, WAN
  • Common terms and expressions

 

2. The building blocks of the network

  • Cable types/Connectors
  • Cross-coupling
  • Labeling
  • DTE/DCE
  • Balanced

 

3. introduction to TCP/IP, ARP

  • Brief overview of how data is sent between course computer and server on the internet.

 

4. LAN

  • Switch/hub
  • Wharf
  • structure
  • Ethernet
  • Wireless connection

 

5. 802.3 Ethernet

  • CSMA/CD
  • Standards
  • Restrictions
  • Flow Control
  • Modulation, Start sequences

 

6. Network architecture

  • TCP/IP models
  • OSI model, the different layers
  • Addressing
  • Network breakdown
  • The router’s tasks
  • TCP/IP/Ethernet/ARP

 

7. configuration of network equipment

  • IP address, Subnet mask, Gateway, DNS
  • Printers
  • Windows
  • Linux
  • Mac

 

8. “Office network” configuration

  • DHCP
  • NAT (RFC1918)
  • Firewall
  • WLAN
  • Router
  • (A)DSL modem

 

9. troubleshooting

  • Step by step
  • Hardware related
  • Software related
  • Settings and useful commands

 

10. The structure of the Internet

  • Internet Service Providers (ISPs)
  • Whois (RIPE)
  • DNS (foretagsnamn.se)
  • Peering, Transit, IX (Netnod, AMIX)

 

11. Our most common connections

  • Fixed link
  • DSL (ADSL,hDSL,xDSL,sDSL)
  • Internet via cable TV (DOCSIS)
  • 3G/UMTS
  • Wlan

 

Practical exercises

The course mixes theory with practical elements so that the participants get both the understanding and the idea behind how things work but also the knowledge that they can do it themselves.

 

Some examples of laboratory work done during the course

  • Connect a physical network, connect networked equipment and set up wireless access in a secure way.
  • Configure a network to a given spec (IP addresses, netmasks, gateway)
  • Watching network traffic using the network analyzer
  • Practical troubleshooting in both hardware and configuration.
  • Divide the network into multiple segments with VLANs

 

In the labs, you will gain an understanding of commands such as ping, tracert/traceroute, arp, ipconfig/ifconfig, netstat and route.

 

Course Overview

25 900 kr

3 days

Can’t find a (suitable) date, but are interested in the course? Send in an expression of interest and we will do what we can to find a suitable opportunity.

Customized Courses

The course can be adapted from several perspectives:

  • Content and focus area
  • Extent and scope
  • Delivery approach

In interaction with the course leader, we ensure that the course meets your needs.

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Send an expression of interest for the training