1.3 Computer Networks
Understand the building blocks and components of modern computer networks.
Overview
This topic explains types of networks, their hardware, topologies, protocols, and the basics of cloud computing.
Detailed Content
Types of Networks
- LAN: Local Area Network for small areas.
- WAN: Wide Area Network connecting LANs globally.
- PAN: Personal Area Network for personal devices.
Network Topologies
- Bus: All devices share a single cable.
- Star: Devices connected to a central hub.
- Mesh: Devices interconnected for redundancy.
Networking Hardware
- Router: Connects networks and routes data packets.
- Switch: Directs data within a network.
- NIC: Allows a device to connect to a network.
Protocols
- TCP/IP: Suite for internet communication.
- HTTP/HTTPS: Web browsing protocols.
- SMTP: Sending email protocol.
The Internet
- IP Address: Unique device identifier.
- DNS: Maps domain names to IP addresses.
- WWW: Information system on the internet.
Diagram
Figure: Common network topologies and hardware components.
Interactive Card Sort: 1.3 Networks
Match the terms to their correct definitions!