Enroll Course: https://www.coursera.org/learn/les-bits-et-les-octets-des-reseaux-informatiques
In the ever-evolving world of technology, understanding the backbone of connectivity – computer networks – is crucial. Whether you’re an aspiring IT professional or simply curious about how the internet works, Coursera’s ‘Les bits et les octets des réseaux informatiques’ (The Bits and Bytes of Computer Networking) offers a comprehensive and accessible entry point.
This course, part of the IT Support Professional Certificate, provides a thorough overview, starting with the fundamental principles of modern network technologies and protocols. It gracefully progresses from the basics to more complex topics like cloud overviews and practical troubleshooting.
**What You’ll Learn:**
The syllabus is meticulously structured, guiding learners through a logical progression of knowledge. Week one lays the groundwork with an introduction to computer networks, covering the TCP/IP and OSI models, and the roles of various network devices like hubs, switches, routers, servers, and clients. It delves into the physical and data link layers, ensuring a solid understanding of how network layers collaborate.
Subsequent weeks dive deeper into the network layer, explaining IP addressing, subnetting, and the vital role of protocols like ARP. The course also touches upon the fundamentals of routing and how the internet functions, equipping you to describe IP addressing schemes and perform binary calculations for subnetting.
The journey continues to the transport and application layers, where you’ll gain insights into TCP ports, sockets, connection-oriented vs. connectionless protocols, and how TCP ensures data integrity. The course also highlights the importance of network services like DNS and DHCP, explaining how they simplify network administration and enhance security through NAT, VPNs, and proxies.
Finally, the course explores the history and evolution of the internet, various connection methods (wired, wireless, cellular, fiber optic), and concludes with practical network troubleshooting skills across Windows, macOS, and Linux operating systems. By the end, you’ll be adept at identifying and resolving common connectivity issues.
**Recommendation:**
‘Les bits et les octets des réseaux informatiques’ is an excellent choice for anyone looking to build a strong foundation in computer networking. The course is well-paced, the explanations are clear, and the practical applications make the concepts relatable. It effectively breaks down complex topics into digestible modules, making it suitable for beginners while still offering valuable insights for those with some prior knowledge. If you want to understand the ‘how’ and ‘why’ behind your internet connection and gain essential IT support skills, this course is highly recommended.
Enroll Course: https://www.coursera.org/learn/les-bits-et-les-octets-des-reseaux-informatiques