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What is Frame Relay in Computer Network?
Introduction In computer networks, data communication is crucial for many applications as well as services. Data communication is the data transmission process over a network between multiple devices. It is important to note that various devices support different data formats, transmission speeds, and protocols. Hence, there is a need for a common network technology that…
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Transmission Media in Computer Network and Its Types (2025)
Introduction The modern global environment is constantly evolving. Data Communication and networking technologies have revolutionized many aspects of modern life. They now depend on computer networks for almost everything. Computers and other types of telecommunication devices may represent data as signals. They are transferred as electromagnetic signals from one device to another. Electromagnetic signals may…
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Complete Cisco CCNA Syllabus (V1.1) – Updated 2025
Introduction Nowadays, the fastest-growing area in IT is networking. Each day brought an ever-increasing number of new users and gadgets. While discussing networking, issues like data transfer rate and safety come up. A higher level of expertise is required to address the present network issue but to start your networking journey, you have to start…
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Different Types of NAT (Network Address Translation)
Introduction Network Address Translation (NAT) is a fundamental concept in networking that plays a crucial role in allowing communication between different devices on a network. It allows multiple devices to share a single public IP address, conserving the limited IPv4 address space. NAT is widely used in both residential and enterprise networks, making it essential…
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Frame Check Sequence || FCS in Networking
Introduction If you have ever used a computer network, you have probably wondered how data gets sent and received without problems. How does the network determine whether the data has been tampered with or corrupted? How does it deal with noise and interference, which might degrade signal quality? Frame Check Sequence (FCS) is the solution.…
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Computer Network Components | Explained In-detail
Introduction Computer networks are essential for communication in today’s world. They allow us to share data, resources, and services among different devices and users. The proper functioning of a newly installed network requires a number of specific components and devices. The term ‘network components’ refers to the fundamental parts of the network. The needs of…
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PAT in Networking || Port Address Translation
Introduction Have you ever thought of how all your devices can easily connect to the internet and also communicate with other devices around the globe? You might have heard of “NAT” or network address translation. NAT is a technique that allows multiple devices to share a single public IP address, which is the unique identifier…
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Difference between Broadcast and Multicast
Introduction One of the fundamental concepts in computer networking is transmission, which is the process of sending data from one device to another over a network. Transmission can be classified into different types based on how the data is addressed and delivered to the intended recipients. The main difference between broadcast and multicast is that…
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Can I learn CCNA Online? [Updated 2025]
![Can I learn CCNA Online? [Updated 2025]](https://test.jwalacup.com/wp-content/uploads/2023/02/Can-I-learn-CCNA-online-1.jpeg "Can I learn CCNA Online? [Updated 2025] 9")
Introduction “Can I learn CCNA Online?” is one of the most frequently asked questions in the networking domain. Let’s decode the answer to this question. CCNA stands for Cisco Certified Network Associate, and it is one of the most-demanded Cisco certifications in the networking industry. CCNA is an entry-level certification in the networking industry that…
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Network Engineer Roles and Responsibilities (2025)
Introduction The increasing reliance on the Internet makes network engineers essential for managing and maintaining complex networks that connect us all. All businesses, ranging from small operations to big organizations, use network systems for seamless data exchanges and communication. Professionals with specialized skills work behind these networks to design, maintain, and troubleshoot. Today, we will…
