Networking & Infrastructure

Computer Networking - Local Area Networks and the OSI Model

Provider

Alison

Format

100% Online

Level

Certificate

Duration

2-3 Hours

Course Overview

This is essentially 'Networking 101' done right. Most technicians rely on trial and error to fix network problems; those who understand the OSI model rely on logic. This course is the difference between guessing where a problem is and knowing exactly where to look.

Dive deep into Local Area Networks (LAN) and understand the vital OSI reference model.

If you don't understand the OSI model, you don't understand how the internet works. 'Computer Networking - Local Area Networks and the OSI Model' provides a laser-focused deep dive into the most important theoretical framework in the networking industry. This course explains how data is packaged, addressed, and transmitted across a Local Area Network (LAN). You will explore the specifics of Ethernet technologies, identifying how electrical signals at the Physical Layer (Layer 1) are transformed into logical frames at the Data Link Layer (Layer 2). The curriculum places a huge emphasis on the Open Systems Interconnection (OSI) model, providing you with a mental map that makes it infinitely easier to troubleshoot why a computer cannot communicate with a server or the wider web.

•Self-paced learning, anytime and anywhere.
•Accessible on any device (Desktop, Tablet, Mobile).
•Interactive content designed for maximum retention.

Who Should Enrol?

Ideal for students beginning their CCNA or Network+ studies, as well as field technicians who can pull cables but want to understand the 'spirit in the wires' that moves data along those cables.

English Language Requirements

A basic proficiency in reading and understanding English is recommended to fully benefit from the material.

Upon successful completion of this program, you will be able to:

✓Explain exactly how data traverses through each layer of the 7-layer OSI model.
✓Understand the hardware and software protocols governing Local Area Networks (LANs).
✓Differentiate between various network topologies and their practical applications.
✓Identify the role of MAC addresses and IP addresses in network data transmission.
✓Diagnose common network failures by pinpointing the specific OSI layer where the error occurs.

Foundational knowledge for anyone in IT Support or System Administration. This certificate is particularly useful for Junior Network Engineers, Helpdesk Technicians, and Security Specialists who need a firm theoretical grounding before tackling device-specific configurations.

Why We Recommend This Course

"This is essentially 'Networking 101' done right. Most technicians rely on trial and error to fix network problems; those who understand the OSI model rely on logic. This course is the difference between guessing where a problem is and knowing exactly where to look."