Beginner lessons

  • Data Formats and Data Models for DevNet students
    Data Formats and Data Models for DevNet students

    What are JSON, XML, and YAML? What is the difference between them? And what is YANG? In this course we are going to look at the most used data formats for storing structured data. We will talk about the differences between data format and data model and when and why we need them.

  • Ethernet Fundamentals for CCNA students
    Ethernet Fundamentals for CCNA students
    In this course, part of our CCNA learning path, we will learn the fundamentals of building Ethernet LANs. We are going to discuss topics like LAN switching, flooding of broadcast frames, VLANs, Trunking, InterVLAN routing, VTP protocol, and many more.
  • Spanning Tree Protocol (STP) Fundamentals
    Spanning Tree Protocol (STP) Fundamentals

    Spanning Tree Protocol (STP) allows Ethernet LANs to have redundant links that can be used in case of link or switch failure. STP allows the design to use enough redundancy so that no single point of failure (SPOF) crashes the entire local network.

  • Network Services for CCNA students
    Network Services for CCNA students

    Network Services for CCNA students

  • OSPF Fundamentals
  • Wireless Fundamentals for CCNA students
    Wireless Fundamentals for CCNA students
    In this course, part of our CCNA learning path, we will learn the fundamentals of building Wireless LANs. We are going to discuss topics like Access Points, SSIDs, 802.11 standards, Wireless Security Protocols, Wireless Controllers, and many more.
  • Network Security for CCNA students
    Network Security for CCNA students

    Network Security for CCNA students

  • IPv6 Fundamentals for CCNA students
    IPv6 Fundamentals for CCNA students

    IPv6 Fundamentals provides a thorough yet easy-to-understand introduction to the new knowledge and skills students need to have to pass their CCNA exam.

  • IPv4 Subnetting for CCNA students
    IPv4 Subnetting for CCNA students

    In this course we are gonna look at ipv4 subneting.