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A switch is a network device that operates at the data link layer (Layer 2) of the OSI model, and it efficiently forwards data frames within a local area network (LAN) based on MAC addresses. Switches are essential for creating high-speed and low-latency connections in modern Ethernet networks, improving network performance and reducing collision domains.

Switches in Computer Network

Ethernet cable, also known as RJ45 cable, is a common networking cable used to connect devices like computers, routers, and switches to wired local area networks (LANs). It typically consists of twisted pairs of copper wires and is available in various categories (e.g., Cat 5e, Cat 6) to support different data transmission speeds and network standards.

Ethernet Cables in Computer Network

Distance Vector Routing (DVR) is a network routing algorithm that calculates the best path for data packets based on distance or hop count. It relies on periodically exchanging routing information with neighboring routers and updating its routing table to find the shortest path, making it simpler but potentially slower than Link State Routing protocols like OSPF.

Distance vector routing(DVR)in Computer Network

CSMA/CD (Carrier Sense Multiple Access/Collision Detection) is a media access control method used in early Ethernet technology with shared Bus Topology. It ensures that stations do not transmit data simultaneously, avoiding collisions. When multiple stations attempt to send data, CSMA/CD helps detect and manage collisions to ensure successful data transmission. Although it is no longer commonly used in modern Ethernet networks with full-duplex communication, CSMA/CD is still supported. This protocol was essential for effective data transfer in older Ethernet systems. For more details, check out the full article: <a href="https://www.geeksforgeeks.org/collision-detection-csmacd/">Collision Detection in CSMA/CD</a>.

CSMA/CD

A bridge in computer networking is a device that connects multiple LANs, enabling them to function as a single network by filtering and forwarding data based on MAC addresses. Operating at the Data Link Layer of the OSI model, bridges improve network performance, reduce traffic, and enhance connectivity. There are three main types: Transparent Bridges (automatically forward/block data), Source Routing Bridges (use pre-determined routes for data transmission), and Translational Bridges (connect different network types). Bridges can operate locally within a single area or remotely over a WAN, helping to manage traffic, extend network reach, and create separate collision domains.While bridges offer benefits like increased bandwidth, protocol transparency, and network segmentation, they can be expensive and slow, with challenges like high broadcast traffic. Their functions include dividing LANs, controlling traffic, and ensuring reliable data transmission across similar protocols. Despite some limitations, bridges play a vital role in managing data flow and optimizing communication in complex networks.&nbsp; For more details, please go through - <a href="https://request.geeksforgeeks.org/?p=897606">What is Bridge in Computer Network – Types, Uses, Functions &amp; Differences.</a>

Bridge in Computer Network

A hub is a basic networking device that connects multiple Ethernet devices in a local network, broadcasting data to all connected devices, and lacks the intelligence of a switch.A repeater is a device used to extend the range of a network by regenerating and retransmitting data signals, helping to overcome signal degradation over long distances.

HUB & Repeater in Computer Network

DNS (Domain Name System) is a hierarchical and distributed naming system used in computer networks to translate human-friendly domain names (like www.example.com) into IP addresses, enabling devices to locate each other on the internet. It plays a crucial role in facilitating human-readable web browsing and efficient data routing across the global network.

Domain name system (DNS) in Computer Network

An application layer protocol is a set of rules and conventions that govern communication and data exchange between software applications or services on different devices. Examples include HTTP for web browsing, SMTP for email, and FTP for file transfer.

Application layer protocols in Computer Network

User Datagram Protocol (UDP) is a connectionless, lightweight transport layer protocol in computer networking that provides a simple method for sending and receiving data packets between devices. While it offers minimal error checking and no guarantee of data delivery, its low overhead and speed make it suitable for real-time applications like video streaming and online gaming.

User Datagram Protocol (UDP) in Computer Network

User Datagram Protocol (UDP) is a connectionless and lightweight transport layer protocol used for data communication in computer networks. It provides minimal error checking and no guaranteed delivery, making it suitable for applications where low overhead and real-time data transmission are prioritized, such as streaming media and online gaming.

Congestion control with TCP in Computer Network

Packet switching is a network communication method where data is divided into small packets before transmission. These packets travel independently over the network and are reassembled at their destination, allowing for efficient and flexible data transfer, better resource utilization, and fault tolerance in modern digital networks like the internet.

Packet Switching in Computer Network

Switching in computer networking refers to the process of transferring data packets between devices or networks using switches. This occurs at the Data Link layer of the OSI model, right after the Physical layer. When a user requests a webpage, the data packets are switched to ensure efficient communication. Different hardware is involved in the switching process, facilitating smooth data transmission. This article explores the various processes and hardware used in networking switching. For more details, check out the full article: <a href="https://www.geeksforgeeks.org/what-is-switching/">What is Switching?</a>.

Switching in Computer Network

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