Computer Networking · Beginner level

Beginner level · Module 1 of 5 · 10 guided hours

IP Addresses, Routers and Switches

Understand how networks are built and how devices find and talk to each other.

Learning objectives

  • Describe LANs, WANs and the internet
  • Explain IP addresses, private ranges and DHCP
  • Distinguish routers, switches and access points

Topics

  • LAN and WAN
  • IP addresses
  • private address ranges
  • DHCP basics
  • routers, switches and access points
  • cables and connectors

Lessons

  1. Lesson 1 How Networks Work

    See the big picture: devices, local networks and the internet.

    LANWANinternetpackets

  2. Lesson 2 IP Addresses and DHCP

    Read and understand the addresses that identify devices.

    IPv4 addresssubnet maskdefault gatewayDHCP

  3. Lesson 3 Routers, Switches and Access Points

    Know what each device does and how they connect.

    routerswitchaccess pointEthernet cables

Practical activity

Find the IP address, subnet mask, default gateway and DNS servers of your computer and phone, then draw how they reach the internet.

Expected outcomes

  • A clear mental model of a network
  • Ability to read basic IP settings

Assessment

Labelled diagram and IP settings worksheet checked.

Free taster lesson IP Addresses, Routers & Switches (Core Concepts) Read a free self-study lesson on this topic in the Free Course Library.

Taught live by an instructor — online or in person. Free course lessons are for self-study and do not lead to a certificate — see registration options.