CCNA 1 Module 4: Physical Layer Explained | Introduction to Networks v7.0 | Mi4 Academy

Welcome back to Mi4 Academy! In this lesson, we cover Module 4: Physical Layer from Cisco Networking Academy's CCNA 1 — Introduction to Networks v7.0 course. The physical layer is responsible for transmitting bits across a network using physical media and signals. We explore how wired and wireless technologies support communication between devices. In this lesson, we cover: The purpose and characteristics of the physical layer Physical layer standards, encoding, and signalling Copper cabling: UTP, STP, and coaxial cable UTP cable characteristics, connectors, and wiring Straight-through and crossover cable concepts Fibre-optic cabling: single-mode and multimode fibre Fibre connectors and applications Wireless media and wireless LANs Practical networking activities using Packet Tracer By the end of this lesson, you should understand the major transmission media used in networks and the role the physical layer plays in communication. 🎓 *Course:* CCNA 1 — Introduction to Networks v7.0 📺 *Channel:* Mi4 Academy Subscribe for more CCNA, networking, IT support, and cybersecurity tutorials. #CCNA #PhysicalLayer #Networking #Cisco #Mi4Academy