Computer Networks

What you'll learn

The key areas this subject covers, mapped to the official curriculum.

• Network topologies and the OSI model
• TCP/IP protocol stack
• IP addressing and subnetting
• Routing and switching
• Transport and application protocols

Course units

The structured path through this subject.

1. 1

   Introduction to Computer Network

   Uses of networks, the OSI and TCP/IP reference models, and the hardware that builds them.

   6 topics · 6 lessons available

2. 2

   Physical Layer and Network Media

   Signals, transmission media, multiplexing and the switching techniques that move bits.

   5 topics · 5 lessons available

3. 3

   Data Link Layer

   Framing, error detection and correction, flow control and Ethernet.

   5 topics · 5 lessons available

4. 4

   Network Layer

   IP addressing, IPv6, ARP/ICMP and the routing that delivers packets across networks.

   5 topics · 5 lessons available

5. 5

   Transport Layer

   End-to-end delivery, TCP, UDP, ports and sockets.

   5 topics · 5 lessons available

6. 6

   Application Layer

   DNS, HTTP/HTTPS, email and file transfer protocols.

   5 topics · 5 lessons available

7. 7

   Multimedia &Future Networking

   Network security, cryptography, multimedia traffic and the networks of tomorrow.

   5 topics · 5 lessons available