Nätverksteknik och datakommunikation

This training is for persons who want a secure foundation to stand on in the area of network and data communication. The training goes through terminology, how data networks are built, architectures, protocols and standards and puts them in a practical context to gain an understanding of how the various parts are connected and why we have the environment we have today. This is a real hands-on course and you, together with our experts and your course friends, will work with several concrete solutions that you will have use of immediately when you are back at your workplace! The goal of the course is for you to be able to take care of, troubleshoot and locate problems in the local network, as well as understand the terminology when communicating/discussing with third parties such as hosting companies, internet providers, etc. The course is focused on local networks and their connection to the outside world.

Plats
Stockholm

Utbildningsformer
Classroom

Längd
3 dagar

Pris
25900 kr

Target Audience

You need an introduction but at the same time a solid foundation to stand on before working as a network technician/administrator.

At completion of the course students will

have an understanding of terminology
understand the difference between bridges, switches and routers
have basic knowledge of configuration, maintenance, administration and security in networks.
know how addressing at different levels (MAC/IP) works in networks.
feel secure in your role at the company.
know how and in what steps data networks are built up.
basic understanding of protocols, architectures and standards.
know different products and players in the market.

Prerequises

No special prior knowledge is required

Contents of Networks and data communications

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 connection
Marking
DTE/DCE
Balanced

3. Introduction to TCP/IP, ARP

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

4. LAN

Switch/hub
Bridge
Structure
Ethernet
Wireless connection

5. Ethernet 802.3

CSMA/CD
Standards
Restrictions
Flow Control
Modulation, Start sequences

6. Network architecture

The TCP/IP model
The OSI model, the different layers
Addressing
Network partitioning
Router information
TCP/IP/Ethernet/ARP

7. Configuration of network equipment

IP address, Netmask, Gateway, DNS
Printer
Windows
Linux
Mac

8. Configuration "office network"

DHCP
NAT (RFC1918)
Firewall
Wi-Fi
Router
(A) DSL modem

9. Troubleshooting

Gradually
Hardware related
Software related
Settings and useful commands

10. The structure of the Internet

Internet Service Providers (ISPs)
Whois (RIPE)
DNS (company name.se)
Peering, Transit, IX (Net node, AMIX)

11. Our most common connections

Fixed connection
DSL (ADSL, hDSL, xDSL, sDSL)
Internet via Cable TV (DOCSIS)
3G/UMTS
Wi-Fi

Practical exercises The course alternates theory with practical elements so that the participants will gain 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 network-based equipment and set up wireless access securely.
Configure a network according to given spec. (IP addresses, worms, gateway)
Look at network traffic, including network analyzer
Practical troubleshooting both in hardware and configuration.
Divide the network into multiple segments with VLANs

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

Referenser

Mycket bra utbildning, bra exempel och bra fart i utbildningen. Man kommer från den utbildningen med mer kunskap för att ta med i sitt arbete.

Riktigt bra utbildning, kul att ha en inspirerande och kunnig lärare!

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