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Networking & Infrastructure Fundamentals

This beginner-friendly, self-paced course takes you from the fundamentals to designing, subnetting, and protecting a network through practical, interactive learning.
Format

Online
Self-paced

Duration

40 hours

Certificate

Networking & Infrastructure Fundamentals

Price

CHF 190

Ideal candidate profiles

This course is for people who want to understand how networks and infrastructure actually work before moving deeper into IT, infrastructure, or cybersecurity. No prior networking experience is required. Basic computer literacy and familiarity with the internet and common digital tools are enough to get started.
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IT support and helpdesk staff

Build the foundation to diagnose connectivity issues, communicate with technical teams, and troubleshoot problems more confidently.

Students and career changers

Gain the core concepts and practical understanding needed for further technical training or an entry-level networking certification.

Decision-makers

Understand the networking foundations behind secure, reliable, and manageable business infrastructure.

Highlights of the course

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Understand networks and their role

Build a clear understanding of what turns devices into a network, why networks matter, and how they scale from small setups to large organizations. You’ll also see what operational, business, and security impact a network failure can create.

Apply IP addressing and subnetting

Learn how IPv4 and IPv6 addressing work in practice. You’ll read and build IP addresses, distinguish public and private ranges, understand gateways, and use subnet masks, CIDR notation, and variable length subnetting to divide address space for real organizational needs.

Identify network devices and infrastructure

Recognize the key components that make networks work, including switches, routers, firewalls, access points, servers, cabling, wireless infrastructure, racks, Power over Ethernet, and cooling, among others.

Work with network models and protocols

Use the OSI and TCP/IP models to understand where protocols, devices, and problems belong. You’ll follow how data moves through network layers and work with core protocols such as HTTP, HTTPS, DNS, TCP, and UDP.

Explain switching, VLANs, and routing

Understand how traffic moves inside and between networks. You’ll learn how switches build MAC address tables, how VLANs separate traffic, and how routers choose paths using static and dynamic routing.

Secure and troubleshoot networks

Move from guesswork to a repeatable troubleshooting process. You’ll recognize vulnerabilities, threats, exploits, and common network attacks, apply basic defenses such as secure configuration and encryption, and use diagnostic tools to move from a reported symptom to the real cause.

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