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Blog Featured Image of IPv4 Header format blog with image of a boy working on a laptop and a girl working on a server

Introduction to IPv4 Header Format

Introduction Internet Protocol version 4, or IPv4, is one of the most widely used protocols for sending or receiving data over different kinds of networks. It is a connectionless protocol and does not guarantee the delivery of data, order, or integrity of the packets. Furthermore, it is used to provide a logical connection between the […]
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A blog featured image showing a Virtual Network and text - what is a Virtual Network.

What is a Virtual Network?

Introduction Virtual networks have gained popularity and significance in the field of computing and communication. They offer users the ability to create and manage networks that are independent of the physical infrastructure, such as routers, switches, cables, and servers. It can also isolate and segment traffic from different sources or destinations based on rules and […]
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A blog featured showing an image of a switch and text What is a Switch in Computer network

What is a Network Switch?

Introduction A Network Switch is a networking device that assist in connecting multiple computers or network devices. They play a significant role in the creation and management of networks as well as enhancing their performance, security, and scalability. By learning about network switches, we get insight about how networks function and how we can optimize […]
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Blog Featured Image with text - What is ARP Poisoning and an image of how ARP Poisoning works.

What is ARP Poisoning?

Introduction The Address Resolution Protocol (ARP) is a widely used protocol that enables devices within a LAN to communicate by linking their IP addresses with their MAC addresses. However, this protocol has a flaw as it cannot verify the authenticity of received ARP messages. This vulnerability exposes it to a type of cyberattack called ARP […]
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Blog Featured image with text Transport Layer Protocols and an image of UDP Process

Transport Layer Protocols

Introduction The transport layer is one of the seven layers of the OSI model, which is a reference framework that explains the process of transmitting data between computers. The OSI model was developed by ISO in 1984 and is now considered as an architectural model for inter-computer communications. Transport layer protocols play a significant role […]
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Blog Featured Image with text - What is PTP - Precision Time Protocol and an image of various PTP Clocks

What is PTP – Precision Time Protocol?

Introduction Nowadays, data is generated and transmitted all over the globe at an unprecedented rate. Hence, accurate and precise time synchronization is essential for almost every application and service. It is now crucial to have a common as well as reliable time reference across different devices and networks in order to ensure coordination, consistency, security, […]
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Blog Featured image with text - Difference between Packet and Frame with a pic showing the frame format

What is the difference between Packet and Frame?

Introduction In computer networks, data is sent between devices using protocols and layers. Each layer has its way of packaging and handling data. There are two types of data units: packets and frames. Packets are used in the network layer, while frames are used in the data link layer. But what is the fundamental difference […]
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Image showing text -what is Tree Topology in Computer Network and an image of tree topology

What is Tree Topology in Computer Network?

Introduction Computer networks consist of interconnected devices that are organized in different ways. The arrangement and communication between these devices are referred to as network topology. The topology chosen impacts the network’s performance, reliability, security, and scalability. There are types of network topologies, including bus, ring, star, mesh, and hybrid configurations. In this blog post, […]
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A blog featured image with text - What is TFTP Protocol and an image showing TFTP Protocol working

What is TFTP Protocol?

Introduction FTP or file transfer protocol is a standard protocol for exchanging files between two devices inside a network. However, FTP also has some drawbacks, such as requiring a lot of resources and having some compatibility issues with different operating systems. That’s why a more straightforward and lighter alternative to FTP is needed. That’s where […]
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A blog featured image with text - Difference between ARP and RARP.

Difference between ARP and RARP

Introduction In computer networking, it is crucial to map a logical address (such as an IP address) to a physical address (such as a MAC address). The reason behind this is that network layers use different types of addresses to identify and communicate with different devices available within a network. But the question that comes […]
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A blog featured image with text Network Devices and its Types and a network topology image.

Network Devices and its Various Types

Introduction A computer network comprises a collection of interconnected devices. These devices, including computers, printers, and other data-transmitting tools, are linked through communication channels. Various types of network devices are utilized to establish, maintain, protect, and improve network connections. Network Devices carry out different functions at different layers of the OSI model and have different […]
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Blog featured image with text - What is Ethernet in Computer Networks and an image of ethernet.

What is Ethernet in Computer Networks?

Introduction Ethernet is a technology that enables devices to communicate over a wired network. It is widely utilized in area networks (LANs) where computers, printers, scanners, and various other devices are interconnected both with each other and with the internet. Ethernet is also employed in wide area networks (WANs) where multiple LANs are linked over […]
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