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Category: Computer Networks

Explore topics such as data communication, network protocols, and network architecture to build a strong foundation. Whether you’re navigating TCP/IP, understanding subnetting, or delving into network security, our guide covers crucial keywords that students widely search for. Empower yourself with insights into networking fundamentals, enhancing your knowledge in this vital field. Join us on a journey through the intricacies of Computer Networks, where connectivity meets the most searched-for topics in network education.

Introduction to Routing Protocols: OSPF, EIGRP, and RIP

Introduction to Routing Protocols: OSPF, EIGRP, and RIP

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Routing protocols are critical in determining the best paths for data transmission across networks. These protocols are primarily classified into distance-vector and link-state protocols based on their working mechanism. In this tutorial, we will explore Open Shortest Path First (OSPF), Enhanced Interior Gateway Routing Protocol (EIGRP), and Routing Information Protocol (RIP), with a clear explanation of their types and characteristics. The focus is to make these concepts accessible to BS students. Visit the detailed tutorial here. Classification of Routing Protocols…

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Multiple Access Techniques (Channelization) in Data Communication

Multiple Access Techniques (Channelization) in Data Communication

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In modern communication systems, multiple devices often need to share the same communication channel. This is where Multiple Access Techniques (MATs) come into play. They allow multiple users to efficiently use a limited amount of bandwidth simultaneously. These techniques are crucial, especially in wireless networks, where many users are trying to connect without causing interference. Visit the detailed tutorial on computer networks here. Common Multiple Access Techniques Here’s a breakdown of some of the most common multiple-access techniques: Frequency Division…

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Introduction to ICMP Protocol

Introduction to ICMP Protocol

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The Internet Control Message Protocol (ICMP) is an integral part of the Internet Protocol (IP) suite, which plays a crucial role in network communication. Although it is not used for data transmission like protocols such as TCP or UDP, ICMP serves an important function in diagnosing network issues and ensuring that data is delivered efficiently. ICMP is often used by network devices, including routers and hosts, to send error messages and operational information, helping maintain healthy network communication. You can…

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Understanding the OSI Model: A Comprehensive Guide to the Seven Layers of Networking

Understanding the OSI Model: A Comprehensive Guide to the Seven Layers of Networking

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The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct layers. Each layer has a specific role, allowing different types of network hardware and software to communicate seamlessly. Developed by the International Organization for Standardization (ISO), the OSI model helps students and professionals alike understand the underlying principles of network communication, making it easier to diagnose issues, design better systems, and implement protocols. By breaking down the…

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Understanding IPv6 Addressing

Understanding IPv6 Addressing

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IPv6, or Internet Protocol version 6, is the most recent version of the Internet Protocol, which serves as the foundation for communication on the Internet. It was developed to overcome limitations posed by its predecessor, IPv4 (Internet Protocol version 4), and to address the growing needs of the evolving internet. IPv6 is a 128-bit long address standard, designed to provide a vastly expanded address space compared to the 32-bit addresses used in IPv4. IPv6 addresses are expressed as eight groups…

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Distance Vector and State Link Routing Protocols

Distance Vector and State Link Routing Protocols

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Routing protocols are fundamental to network communication, and two prominent categories are Distance Vector and State Link protocols. Distance Vector protocols, exemplified by Routing Information Protocol (RIP), make routing decisions based on cumulative distances to destinations, conveyed through periodic updates. They employ algorithms like Bellman-Ford and rely on routing tables to determine the best paths. However, the convergence time can be slower due to periodic updates, and scalability may be challenging in large networks. Distance Vector Protocol A Distance Vector…

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Advanced Routing Protocols – EIGRP and BGP

Advanced Routing Protocols – EIGRP and BGP

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Routing protocols play a crucial role in directing network traffic efficiently. Two advanced routing protocols widely used in large-scale networks are Enhanced Interior Gateway Routing Protocol (EIGRP) and Border Gateway Protocol (BGP). Enhanced Interior Gateway Routing Protocol (EIGRP) EIGRP is an advanced routing protocol developed by Cisco Systems. It is designed for use within an autonomous system (AS) and is known for its rapid convergence and low bandwidth usage. EIGRP incorporates features of both distance vector and link-state routing protocols….

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Dynamic Host Configuration Protocol (DHCP)

Dynamic Host Configuration Protocol (DHCP)

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Dynamic Host Configuration Protocol (DHCP) is a crucial network protocol designed to automatically assign IP addresses and other necessary network configuration details to devices connected to a network. This eliminates the need for manually configuring network settings for each device, making it significantly easier to manage and scale large networks. Key Components of DHCP DHCP Server DHCP Client DHCP Lease IP Address Pool DHCP Process DHCP Discover: When a device joins a network, it broadcasts a DHCP Discover message to…

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Understanding Network Address Translation (NAT)

Understanding Network Address Translation (NAT)

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Network Address Translation (NAT) is a method used to map private IP addresses to a single public IP address. It allows multiple devices in a local network to access the internet using a shared public IP. But before exploring the NAT, Let’s see what is private and public network addresses. You can visit the detailed tutorial here. Private IP Addresses in Networking In networking, private addresses are reserved IP addresses that are not routable on the public internet. They are…

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Overview of Wireless LANs

Overview of Wireless LANs

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Wireless Local Area Networks (WLANs) are a type of network that allows devices to connect and communicate without the need for physical cables. Unlike traditional wired networks, WLANs use radio waves to transmit data between devices. This wireless approach provides increased flexibility and mobility for connected devices. Frequency BandsWLANs operate within two main frequency bands: 2.4 GHz and 5 GHz. The 2.4 GHz band, though more crowded, offers a better range, making it suitable for environments with obstacles. On the…

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