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Technology Articles
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4G Mobile Communication Technology
4G (Fourth Generation) mobile communication technology represents a significant leap in wireless communication, offering high-speed data transmission, enhanced network capacity, and improved user experience compared to previous generations. First commercially deployed in 2010, 4G technology has transformed how we connect, communicate, and consume digital content on mobile devices. 4G networks utilize advanced technologies like LTE (Long Term Evolution) and WiMAX to deliver internet speeds up to 100 Mbps for mobile users and up to 1 Gbps for stationary users, making it suitable for bandwidth-intensive applications like video streaming, online gaming, and cloud services. 4G ...
Read More5 Layer Architecture of Internet of Things
The Internet of Things (IoT) has emerged as one of the most transformative technological innovations of the modern era, enabling interconnectivity of devices and machines that we use in our daily lives. IoT has revolutionized the way we interact with technology and the world around us, paving the way for new business models, improved efficiency, and greater convenience. To enable interconnectivity of devices and machines, a robust and scalable architecture is necessary. The 5-layer architecture of IoT is a widely accepted framework that provides a structured approach to IoT system design and implementation. This layered approach ensures seamless data ...
Read More60 Hz vs 144 Hz Does it matter
When it comes to gaming monitors, one of the key specifications that is often discussed is refresh rate. A monitor's refresh rate determines how many times per second the screen is updated with new information. The two most popular refresh rates are 60 Hz and 144 Hz. While many gamers swear by the benefits of a 144 Hz monitor, others argue that the difference is negligible. 60 Hz vs 144 Hz Refresh Rate Comparison 60 Hz 60 updates/second Standard refresh rate ...
Read MoreA Model for Network Security
With rapid advancement of technology and growth of the internet, network security has become an increasingly important issue. Organizations and individuals alike are constantly at risk of cyber-attacks, and the consequences of a successful attack can be devastating. This article presents a comprehensive model for network security that organizations can implement to protect their networks. Network Security Model Perimeter Security Firewalls, IDS Access Control RBAC, Passwords Data Protection ...
Read MoreEtherChannel in Computer Network
In modern computer networks, high availability and increased bandwidth are essential requirements. EtherChannel is a link aggregation technique used to combine multiple physical links into one logical link, providing enhanced performance and redundancy. What is EtherChannel? EtherChannel is a link aggregation technique that bundles multiple physical links between network devices into a single logical link. This creates a high-bandwidth connection while providing redundancy and load balancing capabilities. When multiple physical links are bundled together, they appear as a single logical interface to the network devices. EtherChannel Link Aggregation ...
Read MoreEthernet Transmitter Algorithm
The Ethernet Transmitter Algorithm is a comprehensive set of protocols and mechanisms that govern how data packets are transmitted over Ethernet networks. This algorithm ensures efficient data transmission while minimizing packet loss and maximizing network performance across local area networks (LANs). The algorithm encompasses multiple components working together to manage carrier sensing, collision detection, frame formatting, flow control, and quality of service. Understanding these mechanisms is essential for network administrators optimizing Ethernet network performance. Carrier Sense Multiple Access with Collision Detection (CSMA/CD) CSMA/CD is the fundamental access control mechanism in traditional Ethernet networks. Before transmitting, devices must ...
Read MoreExplain Parameter passing Semantics in RPC
Remote Procedure Call (RPC) is a communication protocol that enables a process running on one computer to invoke a procedure in another process running on a remote computer. The procedure call appears to the caller as a local procedure call, but in reality, the call is transmitted over a network. RPC involves several aspects such as marshaling of parameters, handling of return values, and communication between client and server. In this article, we will focus on parameter passing semantics in RPC. We will discuss various parameter passing methods and their characteristics, including pass-by-value, pass-by-reference, pass-by-result, and pass-by-object-reference. Parameter ...
Read MoreFast Recovery Technique For Loss Recovery in TCP
Transmission Control Protocol (TCP) is a widely used protocol for data transmission over the internet. However, data transmission over TCP is not always error-free. Transmission can be disrupted due to several reasons such as network congestion, packet loss, or failure of intermediate devices. In such cases, TCP uses a loss recovery technique to recover lost data and retransmit it. This technique is crucial in ensuring reliability of data transmission over the internet. Understanding TCP Loss Recovery TCP uses a three-way handshake mechanism to establish a connection between two devices. Once the connection is established, data transmission begins. TCP ...
Read MoreFeatures of Enhanced Interior Gateway Routing Protocol (EIGRP)
The Enhanced Interior Gateway Routing Protocol (EIGRP) is an advanced distance-vector routing protocol developed by Cisco Systems. It evolved from the Interior Gateway Routing Protocol (IGRP) to provide faster convergence, better scalability, and improved network efficiency for modern enterprise networks. Fast Convergence EIGRP's most significant feature is its rapid convergence using the Diffusing Update Algorithm (DUAL). When network topology changes occur, DUAL allows routers to quickly calculate loop-free backup routes and recover from link failures without the counting-to-infinity problem common in traditional distance-vector protocols. EIGRP Fast Convergence with DUAL ...
Read MoreFiber Optics Broadband Connection
In today's digital age, high-speed internet is no longer a luxury but a necessity. With growing demand for streaming services, video conferencing, and online gaming, traditional copper-based internet connections are becoming outdated. Fiber optics broadband connection has emerged as the go-to solution for reliable, high-speed internet that meets the needs of modern users. What is Fiber Optics Broadband Connection? Fiber optics broadband connection is an internet connection that uses fiber-optic cables to transmit data. Unlike traditional copper cables, which transmit data through electrical signals, fiber optics use light to transmit data. Fiber-optic cables consist of thin strands of ...
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