Description

Course Title: Fundamentals of Computer Networks

Course Description:

This course provides an in-depth introduction to the essential concepts, components, and technologies of computer networks. Students will gain a comprehensive understanding of network design, communication protocols, data transmission, and network security. This course is suitable for beginners who wish to build a strong foundation in computer networking.

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Course Modules:

Module 1: Introduction to Computer Networks

• Overview of computer networks and their importance in modern communication.

• Types of networks: LAN, WAN, MAN, and their differences.

• Basic networking components: nodes, devices, links.

• Introduction to network topologies: star, bus, ring, mesh.

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Module 2: Network Models

• OSI Model: Layers and functions (Physical, Data Link, Network, Transport, Session, Presentation, Application).

• TCP/IP Model: Understanding the four layers and their functions (Link, Internet, Transport, Application).

• Comparison between OSI and TCP/IP models.

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Module 3: Networking Devices

• Routers and Switches: Functions, differences, and how they forward data in the network.

• Hubs, Bridges, and Gateways: Understanding their roles and differences.

• Modems and Network Interface Cards (NIC): Functionality and importance in network connectivity.

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Module 4: IP Addressing and Subnetting

• IP Addressing Basics: Understanding IPv4 vs. IPv6, structure of IP addresses.

• Subnetting: Introduction to subnetting and CIDR notation.

• Subnetting Practice: Hands-on exercises to calculate network, subnet, and broadcast addresses.

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Module 5: Network Protocols

• TCP/IP Protocol Suite: Understanding TCP, UDP, and IP; their roles in data transfer.

• Data Link and Physical Layer Protocols: Introduction to Ethernet and MAC addresses.

• Common Application Layer Protocols: HTTP, FTP, SMTP, DNS – what they are and how they work.

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Module 6: Data Transmission and Flow Control

• Analog vs. Digital Signals: Differences and how data is transmitted.

• Flow Control: Techniques such as sliding window and congestion control.

• Error Detection and Correction: Methods such as parity checks, CRC, and checksums.

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Module 7: Wireless Networking

• Basics of Wireless Communication: Understanding Wi-Fi, Bluetooth, and other wireless technologies.

• Wi-Fi Standards: Overview of 802.11a/b/g/n/ac standards.

• Wireless Network Security: WEP, WPA, WPA2, and WPA3 security protocols.

• Mobile Networks: Introduction to cellular networks, 4G, and 5G technologies.

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Module 8: Network Security Basics

• Introduction to Network Security: The importance of securing networks against common threats.

• Network Security Protocols: SSL/TLS, IPsec, VPNs.

• Best Practices for Security: Password policies, encryption, firewalls, and IDS/IPS systems.

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Module 9: Troubleshooting Networks

• Common Network Issues: Identifying connection issues, slow speeds, network congestion.

• Troubleshooting Tools: Tools like ping, traceroute, ipconfig, and netstat.

• Troubleshooting Process: Steps for diagnosing and resolving network problems.

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Module 10: Real-World Networking Applications

• Networking in Business: Role of networks in enterprises, LANs, and WANs.

• Cloud Computing and Virtual Networks: Introduction to cloud networking and virtual networks.

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Course Summary:
The Fundamentals of Computer Networks course provides a comprehensive introduction to the essential concepts and technologies that power modern computer networks. Designed for beginners, this course will take you through the core elements of networking, including network types, models, devices, protocols, and security. Through theoretical lessons and practical exercises, students will gain a solid foundation for designing, configuring, and troubleshooting networks.