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Category: Network Design and Analysis

Explore the intricacies of crafting robust network architectures, optimizing performance, and conducting insightful analyses. Whether you’re delving into network topologies, capacity planning, or troubleshooting, our guide offers a comprehensive understanding of the keywords frequently sought after by students. Elevate your skills in designing scalable networks and conducting precise analyses, ensuring you are well-equipped for the dynamic landscape of modern network architecture. Join us on this illuminating expedition where network design and analysis converge to shape the future of digital connectivity.

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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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Dynamic Host Configuration Protocol (DHCP)

Dynamic Host Configuration Protocol (DHCP)

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DHCP is a network protocol that automatically assigns IP addresses and other network configuration information to devices on a network. It eliminates the need for manual configuration of network settings, making it easier to manage and scale a network. 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 identify available DHCP servers. DHCP Offer: DHCP servers respond with a…

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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. Private IP Addresses in Networking In networking, private addresses are reserved IP addresses that are not routable on the public internet. They are designated for use within private networks, allowing…

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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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World Wide Web (WWW) and Hypertext Transfer Protocol (HTTP)

World Wide Web (WWW) and Hypertext Transfer Protocol (HTTP)

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Understanding the WWW?The World Wide Web, commonly known as the WWW or simply the Web, is a system of interlinked hypertext documents and multimedia content that is accessed via the Internet. It was invented by Sir Tim Berners-Lee in 1989. How does it work?The WWW operates based on hypertext, where documents (web pages) are linked together using hyperlinks. These hyperlinks allow users to navigate between documents by clicking on links, creating a vast and interconnected network of information. Understanding the…

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Introduction to Routing in Computer Networks

Introduction to Routing in Computer Networks

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Routing is an important function in computer networking that involves directing data packets from one device to another across a network. It ensures that information reaches its destination efficiently and accurately. Routers are the key devices responsible for making routing decisions in a network. A detailed tutorial can be found here. Routing is divided into two categories. Understanding Static Routing Static routing is a routing method where network administrators manually configure the routing table on a router. In this approach,…

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Understanding the Domain Name System (DNS)

Understanding the Domain Name System (DNS)

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The Domain Name System (DNS) is a critical part of the internet that helps translate human-readable domain names, like www.afzalbadshah.com, into machine-readable IP addresses, such as 192.0.2.1. This tutorial will provide you with a comprehensive understanding of DNS, its structure, and how it works. DNS, the Domain Name System, is a decentralized naming system that connects domain names with IP addresses. It serves as the internet’s “phonebook,” making it easier for users to access websites and online resources by using…

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Routing on Internet

Routing on Internet

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A router is a network device that plays a crucial role in computer networking by connecting different networks together and directing the flow of data between them. It operates at the network layer (Layer 3) of the OSI model and is responsible for routing data packets from their source to their destination. Routers are fundamental components in the functioning of the internet and in local area networks (LANs). Router is a Layer 3 (OSI model) device, primarly responsible for routing…

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Basics of Internet Protocol (IP) AND IP Addressing

Basics of Internet Protocol (IP) AND IP Addressing

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The Internet Protocol (IP) is a fundamental set of rules and conventions that govern how data is transmitted and routed over the Internet. It is a core component of the modern internet and is responsible for addressing and routing data packets to their destinations. Here are the basics of Internet Protocol (IP): In summary, Internet Protocol (IP) is a crucial set of rules for addressing and routing data packets across the internet. It plays a central role in connecting devices,…

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TCP/IP Protocol

TCP/IP Protocol

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A Local Area Network, commonly known as LAN, is a fundamental component of modern network infrastructure. LANs are designed to connect computers, devices, and resources within a confined geographic area, such as a home, office, or campus. These networks serve as the backbone for internal communication, data sharing, and resource access, providing the connectivity necessary for efficient day-to-day operations. LANs have evolved significantly over the years, adapting to the changing needs of organizations and individuals alike. In this digital age,…

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