Learning Objectives
5 objectives- Understand the foundational concepts and components of computer networks.
- Identify and explain key network protocols, topologies, and devices.
- Apply IP addressing and subnetting principles to network design.
- Analyze network security measures and troubleshoot common issues.
- Design and implement basic network infrastructures including wireless and cloud-based solutions.
Content Outline
PreviewUnit 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
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