topologies of computer network
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Computer Network Topology Outline
The first thing that has to study about a network is its physical shape or design layout. It will be extremely important when a wiring scheme and design are selected for a new network installation. Actually Network Topology refers to physical shape or design layout of a network. Network topology determines how different nodes in a network are connected and how these nodes communicate to each other. Types of Computer Network Topology Network really has two shapes or two types of topology. Physical topology Logical topology Physical Topologies The physical topology is the physical shape or layout of the wires that can be visible in a network. The Physical topology defines how devices are interconnected with or without wires. Physical topology is further divided into two sections. Point-to-point connections Multipoint connections Point-to-point connections In a point-to-point connection, a communication link is established between two devices with one wire or air (in the case of wireless). A simple example of point-to- point connection is talking over telephone between two persons where anyone else is not allowed to use the phone on either side. Multipoint Connection Multiple devices or machines are involved in a multipoint connection. These devices mainly share cabling but [...]
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OpenDNS Family Shield Configuration in MikroTik RouterOS 7 | August 30, 2024
OpenDNS is a DNS based free web content filtering software. It helps to keep our home or office network free from malware, virus and adult content. Configuring OpenDNS in our Home of Office routers, we can easily keep safe our internet content. OpenDNS provided OpenDNS Family Sheild solution that keeps our kids safe online. OpenDNS Family Shield filters all adult content websites as well as virus and trojan. OpenDNS Family Shield is preconfigured to block adult content. So, our children [...]
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How to Customize MikroTik Hotspot Login Page | September 12, 2020
MikroTik Hotspot is an awesome service that can be customized according to any organization need. MikroTik Hotspot is able to authenticate and authorize network users so easily. Besides premium Hotspot service, it can also be used as a public Hotspot network. Although public network is a free network service, it can be a better source of income by serving ads. As no user can get internet access without visiting Hotspot login page, the login page is main space for serving [...]
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Why ISPs Should Embrace TR-069 ACS to Stay Ahead of Competitors | May 22, 2023
As the telecommunications industry becomes more competitive, local ISPs need to find ways to stay ahead of larger telcos and offer services that meet the changing demands of their customers. One of the solutions to this challenge is to implement TR-069 ACS server to help streamline network management, reduce costs, and increase efficiency. In this article, we’ll explore why the TR-069 ACS server is essential for medium-sized ISPs to stay competitive in today’s market. We’ll examine the challenges these ISPs [...]
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MikroTik Hotspot Configuration in RouterOS 7 | April 25, 2023
MikroTik Hotspot is an awesome service to run a captive portal network. You can run a public Wi-Fi network, Hotel Network, Airport network, CAMP Wi-Fi network, Shopping Mall Network and so on using MikroTik Hotspot and even can monetize your network for earning if you use Hotspot Billing Software like GalaxyRAD which is specially designed for MikroTik Hotspot network. GalaxyRAD helps to monetize your any network providing online payment gateway as well as integrating voucher-based system. It also helps to [...]
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How to Recover MikroTik User Password | August 9, 2018
MikroTik Wiki and Forum say that there is no way to recover MikroTik user password without losing MikroTik configuration. But if you have an unencrypted configuration file backup taken before, you will be able to recover your user password using MikroTik password recovery tools. How to Backup and Restore MikroTik configuration file manually was discussed in my previous article. I also discussed how to backup MikroTik configuration file automatically via Mail in another article and in this article I will [...]
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MikroTik Hardware Redundancy with VRRP | October 8, 2018
MikroTik VRRP (Virtual Router Redundancy Protocol) ensures high availability internet network. If any organization requires uninterrupted internet connection, MikroTik VRRP implementation will be a vital solution for them. MikroTik VRRP creates a virtual router accumulating two or more physical routers and ensures uninterrupted internet connection keeping activate one physical router always. That means, if any physical router fails to operate due to any hardware failure, MikroTik VRRP uses another backup router for internet gateway until the running router comes back [...]
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MikroTik Hotspot Customization | April 5, 2017
Hotspot is one of the most popular services in MikroTik router. MikroTik Hotspot Gateway is a policy to authorize network clients before to access local network resources as well as public network resources through MikroTik router. In a Hotspot network, the user can login or authenticate using almost any web browser, so there is no need to install any additional software to client end. As Hotspot login prompt is a webpage, Hotspot service can effectively be used as an advertising medium of [...]
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The Role of Computer Networking in Modern Surveillance and Security | October 17, 2023
In the present computerized age, computer networking is significant in ensuring modern surveillance and security frameworks are viable and productive. The progressions in innovation have prompted the improvement of innovative arrangements, for example, solar power cameras, that depend on computer networks to upgrade surveillance capacities. This article investigates the role of computer networking in modern surveillance and security frameworks, with a particular spotlight on integrating solar-powered cameras. What is Computer Networking? A computer network gathers interconnected hubs or computing gadgets that [...]
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CentOS 8 Networking Configuration Using nmtui Tool | December 14, 2020
The first task after completing CentOS 8 fresh installation is to configure its networking so that it can be accessed from other network devices. In my previous article, I discussed how to install CentOS 8 Graphical User Interface (GNOME Desktop) with step by step screenshots. If you are a new CentOS 8 user and have not yet installed CentOS 8 on your server machine, feel free to follow that article and install CentOS 8 GNOME Desktop according to the article. [...]
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