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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.

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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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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Dialup Model, DSL (Digital Subscriber Line) & Cable Modem

Dialup Model, DSL (Digital Subscriber Line) & Cable Modem

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Digital Subscriber Line (DSL) is a broadband technology that revolutionized internet access by using traditional telephone lines, offering high-speed connectivity and an “always-on” connection. In contrast, cable modems leverage cable television infrastructure, providing swift bidirectional communication for high-bandwidth internet access, making them popular in urban and suburban areas despite occasional network congestion challenges. Let’s look in detail at these technologies; You can visit the detailed tutorial here. Dial-up Modem A dial-up modem is a device that enables internet access through…

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Circuit Switching and Packet Switching in Computer Networks

Circuit Switching and Packet Switching in Computer Networks

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Circuit switching and packet switching represent two distinct paradigms in data communication. Circuit switching creates a dedicated communication path for the entire duration of a conversation, ensuring a continuous link between devices. In contrast, packet switching involves breaking data into independent packets, allowing for flexible routing and efficient resource utilization across the network. You can also visit detailed tutorial on Data Communication and Computer Networks here. What is Circuit Switching? Circuit switching is a communication method where a dedicated communication…

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CIDR (Classless Inter-Domain Routing) and VLSM (Variable Length Subnet Masking)

CIDR (Classless Inter-Domain Routing) and VLSM (Variable Length Subnet Masking)

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In the domain of networking, two pivotal concepts revolutionized the way we allocate and manage IP addresses: CIDR (Classless Inter-Domain Routing) and VLSM (Variable Length Subnet Masking). CIDR emerged as a response to the limitations of traditional IP addressing, introducing a more flexible and efficient approach to representing IP address ranges. On the other hand, VLSM, a crucial extension of CIDR, empowers network administrators with the ability to optimize subnetting by allowing variable-length subnet masks. Together, CIDR and VLSM have…

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Error Detection and Correction in Data Communication

Error Detection and Correction in Data Communication

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Before going toward error detection and correction, let bit explore the byte stuffing which accrues in packet transmission. What is Byte Stuffing? Byte stuffing is a data encoding technique used in computer networking to ensure the reliable transmission of information, particularly in the context of data framing. It involves the insertion of special control characters, known as “flag” or “escape” characters, into the data stream to distinguish them from the actual data. The primary purpose of byte stuffing is to…

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Packet and Frames in Computer Networks

Packet and Frames in Computer Networks

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Packets, frames, and error detection are fundamental concepts in computer networking and data communication. These terms are used to describe how data is structured, packaged, and transmitted in a network, as well as how errors in data transmission are identified and handled. Let’s explore these concepts: What are Packets? A packet is a small unit of data that is transmitted over a network. It typically includes both the data to be sent and control information, such as the source and…

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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. Visit the detailed course on computer networks. Here are the basics of Internet Protocol (IP): Addressing: IP assigns a unique numerical address to each device connected to the internet. These addresses are known as IP addresses….

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Overview of Data Communication

Overview of Data Communication

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In our increasingly connected world, data communication plays a fundamental role in enabling the exchange of information and the functioning of modern society. Whether you’re streaming a video on your smartphone, sending an email, or accessing cloud services, you’re engaging in data communication. Understanding the key concepts, components, and technologies that underpin this field is crucial for anyone navigating the digital landscape. Today, we will delve into the essential aspects of data communication, from its historical evolution to the latest…

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