3.4 · Lesson 2 of 2
IP addresses and routers
Syllabus 3.4.3Syllabus 3.4.4
What this lesson covers
- Describe IP addresses, static and dynamic, IPv4 and IPv6
- Describe the role of a router
Key vocabulary
- IP address
- Internet protocol address: given to a device by the network, to identify it so data can be sent to it.
- Static IP address
- A permanent IP address that doesn't change, e.g. for a web server.
- Dynamic IP address
- A temporary IP address given each time a device connects, which can change.
- IPv4
- A 32-bit IP address written as 4 denary numbers from 0 to 255, e.g. 192.168.1.24.
- IPv6
- A 128-bit IP address written as 8 groups of hex digits.
- Router
- Connects a local network to the internet, assigns IP addresses and sends data to a specific destination.
Check your learning
- Quick check: 4 questions
- Key vocabulary test: 6 terms
- Activity 1: IPv4 or IPv6? · drag and drop
- Activity 2: Addresses and routers · 8 questions
- Activity 3: IP and routers quiz · 8 questions