Unit 65: Fundamentals of Computer Networking

1. Introduction to Computer Networking

• Definition and importance of computer networking
• Types of networks: PAN, LAN, MAN, WAN
• Key components of a network: nodes, links, switches, routers

2. Network Protocols and Standards

• Role and purpose of network protocols
• Overview of TCP/IP protocol suite
• HTTP, FTP, SMTP: Functions and usage
• The OSI Model: Layers and their functions
• Standards organizations: IEEE, IETF

3. Network Topologies and Infrastructure

• Network topologies:
  • Bus topology
  • Ring topology
  • Star topology
  • Mesh topology
• Effects of topology on network performance and reliability
• Network infrastructures:
  • Local Area Networks (LANs)
  • Wide Area Networks (WANs)
  • Wireless LANs (WLANs)

4. Network Devices and Equipment

• Routers: Routing and traffic management
• Switches: Data frame switching and segmentation
• Hubs: Basic connectivity devices
• Modems: Modulation and demodulation
• Access Points: Wireless connectivity
• Additional devices: Gateways, Bridges, Repeaters

5. Network Security and Data Protection

• Importance of network security
• Common security threats: Malware, phishing, DoS attacks
• Encryption techniques: Symmetric and asymmetric encryption
• Firewalls: Types and functionality
• Best practices for securing networks

6. IP Addressing and Subnetting

• IPv4 addressing structure
• Classes of IP addresses
• Public vs Private IP addresses
• Introduction to IPv6
• Subnetting concepts and benefits
• Calculating subnet masks and address ranges
• Hands-on subnetting exercises

7. Network Performance and Troubleshooting

• Key performance metrics: Bandwidth, latency, jitter
• Bandwidth management techniques
• Quality of Service (QoS) implementation
• Common networking issues: Connectivity loss, slow speeds
• Troubleshooting tools and methods: Ping, Traceroute, Network analyzers

8. Wireless Networking and Mobile Technologies

• Wireless technologies overview: Wi-Fi, Bluetooth, Cellular networks
• Wireless standards: IEEE 802.11 variants
• Security considerations in wireless networks
• Challenges of wireless deployment: Interference, range, mobility
• Mobile computing applications

9. Cloud Computing and Virtualization

• Cloud computing models: IaaS, PaaS, SaaS
• Virtualization concepts: Virtual machines, hypervisors
• Benefits of cloud-based networking
• Cloud service providers overview
• Network implications of virtualization and cloud services

10. Network Design and Implementation

• Network planning and requirement analysis
• Selecting appropriate topologies and devices
• Configuring network devices
• Security considerations in network design
• Deploying and managing functional networks
• Case study: Designing a small business network