🚀 Packet vs Frame – Do You Know the Difference? 🌐📦 One of the most common CCNA interview and exam topics is understanding the difference between a Packet and a Frame. While both carry data, they operate at different OSI layers and serve different purposes. 🔹 Packet (Layer 3 – Network Layer) ✅ Uses IP addresses for communication. ✅ Routed between different networks. ✅ Handled by routers. ✅ Enables end-to-end communication across the Internet. 🔹 Frame (Layer 2 – Data Link Layer) ✅ Uses MAC a...
🔌 Network Switches: Types & Components Explained A network switch connects devices within a LAN and forwards data based on MAC addresses, enabling efficient communication across workstations, laptops, printers, and VoIP phones. Key switch types include: • Unmanaged • Managed (VLAN & security) • Layer 2 switching • Layer 3 routing • PoE switches Understanding these technologies helps organizations design reliable and scalable IT infrastructure. #NetworkSwitch #EnterpriseNetworking #ITInfra...
Layer 2 Vs Layer 3 Network Diagram
🚀 Understanding the OSI Network Layers & Devices! 🌐📡 Learning networking becomes much easier when you understand how each OSI layer works and which devices operate at each layer. This infographic gives a simple and engaging breakdown of the 7 OSI layers with real-world networking devices and functions! 💡 📘 In this guide you’ll learn: ✅ Layer 1 — Physical (Ethernet & Fiber Cables) ✅ Layer 2 — Data Link (Switching & MAC Forwarding) ✅ Layer 3 — Network (Routing Between Networks) ✅ Layer 4 — Tr...
Three-Tier Multi-Tier Topology
Layer 3 Vs Layer 2 Networking
🔁 Protocols Used in Switches Switches operate mainly at Layer 2 (Data Link Layer) and partially at Layer 3 (Network Layer) in managed environments. Here are the key protocols: 1. Spanning Tree Protocol (STP) / RSTP / MSTP 📌 Use: Prevents network loops in Layer 2 networks ✅ Advantages: Prevents broadcast storms Maintains network redundancy ❌ Disadvantages: Convergence time (STP is slower than RSTP) Can lead to unused links for backup 2. VLAN (802.1Q Tagging) 📌 Use: Segments a netw...
Revise Unit 3 – Computer Network (AKTU) with this cheat sheet 📚✨ ✔ Network Layer Functions ✔ IP Addressing (IPv4 & IPv6) ✔ Subnetting Basics ✔ Routing & Algorithms ✔ Routing Protocols Perfect for quick revision + exams 💯 Save now 📌 and strengthen your networking concepts 🚀 #computernetwork #aktu #cheatsheet #btech #engineeringnotes #studygram #revisionnotes #networklayer #ipaddress #routing #students #examready #girlswhocode
Layer 3 In Networking
A strong network starts with the right hardware. From switches and modems to repeaters, every networking device plays an important role in keeping your systems connected, communication smooth, and data moving efficiently. Build a smarter, more reliable network with the right IT solutions from Diskloop. Need networking hardware for your business? Visit: www.diskloop.com #Diskloop #Networking #NetworkHardware #ITHardware #NetworkSolutions #ITSolutions #BusinessIT #Switch #Modem #Repeater #I...
🌐 Network Protocols by Layer – The Foundation of Modern Networking! 🚀 Every packet you send travels through multiple networking layers, each with its own set of protocols and responsibilities. From HTTP, HTTPS, DNS, and DHCP at the Application Layer to TCP/UDP at the Transport Layer and ICMP, IPsec, MPLS, EIGRP, and BGP at the Network Layer, understanding where each protocol operates is essential for effective troubleshooting and network design. Whether you’re preparing for CCNA, CCNP, or C...
🔌 Layer 2 Switch vs Layer 3 Switch — What’s the Difference? Understanding the difference between Layer 2 and Layer 3 switches is fundamental for every network engineer. 🔹 Layer 2 Switch • Operates at the Data Link Layer • Uses MAC addresses to forward frames • Supports VLAN segmentation • Access ports connect end devices • Typically operates within a broadcast domain 🔹 Layer 3 Switch • Operates at the Network Layer • Uses IP addresses for routing • Can perform both Layer 2 switching and La...
🌐 Master Networking Layers & Protocols Made Simple! Understanding networking doesn’t have to be complicated. This visual breaks down key protocols across different layers—helping you see how everything connects behind the scenes. From Layer 1 (Physical) to Layer 7 (Application), each layer plays a critical role in how data moves, communicates, and stays secure across networks. 💡 Whether you’re preparing for CCNA, working in IT, or just getting started, this is a great quick-reference guide...
🌐 Networking Fundamentals: Understanding the Core Differences Between Router, Switch, and Firewall As I continue strengthening my knowledge in Computer Networking, I explore three essential components that play a vital role in modern network infrastructure. 🔹 Router – Connecting Networks A router connects different networks and forwards data packets between them. It uses routing protocols such as RIP, OSPF, EIGRP, and BGP to determine the best path for data transmission. 🔹 Switch – Connecting Devices A switch connects multiple devices within a Local Area Network (LAN). It forwards data frames based on MAC addresses and supports efficient communication between connected devices. 🔹 Firewall – Securing Networks A firewall acts as a security barrier between trusted and untrusted networ