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dgt_net02 – Introduction to layer structure

Module Title: dgt_net02 – Introduction to layer structure

module Overview:

Welcome to dgt_net02 – Introduction to layer structure, an essential module designed for students and professionals eager to deepen their understanding of network architecture through the OSI model. This foundational module provides a comprehensive exploration of networking principles by examining the Open Systems Interconnection OSI model—a conceptual framework used to understand and design network systems.

module Objectives:

  • Understand OSI Model Fundamentals: Gain a thorough grounding in the seven-layer structure of the OSI model, including its purpose and functionality.

  • Layer-by-Layer Analysis: Delve into each layer’s specific role within the network—from the physical connections to the application processes—and explore how they interact.

  • Interlayer Communication: Learn about protocols and interfaces that facilitate communication between different layers, ensuring seamless data transfer across a network.

  • Reference Models in Networking: Explore link di riferimento reference links crucial for understanding how each layer connects with its adjacent layers, supporting both theoretical knowledge and practical application.

Key Topics Covered:

  1. Introduction to OSI Model:
  2. History and development of the OSI model.

  3. Overview of the seven layers and their purposes.

  4. Physical Layer Layer 1:

  5. Study of cables, connectors, and signal transmission.

  6. Understanding physical data encoding methods.

  7. Data Link Layer Layer 2:

  8. Examination of MAC addressing and network topology.

  9. Error detection and correction mechanisms.

  10. Network Layer Layer 3:

  11. IP addressing and routing protocols.

  12. Packet switching and logical addressing strategies.

  13. Transport Layer Layer 4:

  14. Exploration of TCP/UDP protocols.

  15. Understanding flow control, error recovery, and segmentation.

  16. Session Layer Layer 5:

  17. Management of sessions between network applications.

  18. Techniques for establishing, maintaining, and terminating connections.

  19. Presentation Layer Layer 6:

  20. Data translation, encryption, and compression methods.

  21. Ensuring data format compatibility across different systems.

  22. Application Layer Layer 7:

  23. Protocols such as HTTP, FTP, SMTP, and their uses.
  24. Interaction of network services with end-user applications.

Reference Links to OSI Layers:

  • A focus on the link di riferimento within each layer will be emphasized, highlighting how these connections are integral for maintaining structured communication across complex networks.
  • Case studies and practical examples will illustrate real-world applications and problem-solving techniques related to interlayer interactions.

Learning Methodology:

This module combines theoretical lectures with interactive workshops. Students will engage in hands-on activities and simulations that demonstrate the functionality of each OSI layer, reinforcing concepts through practice.

Target Audience:

Ideal for students pursuing degrees in computer science or information technology, as well as IT professionals seeking to enhance their networking knowledge and skills. Prior basic understanding of network principles is beneficial but not mandatory.

Upon completion, participants will have a solid foundation in the layered architecture of networking systems, equipping them with the knowledge necessary to tackle more advanced studies or professional challenges within the field of computer networks.
The students can push their exercises to the Academy DevOps & SRE GIT project. For this module, create a folder with your username as its name in the following subfolder: https://github.com/Garanti-Del-Talento/gdt_academy