COMPUTER NETWORK
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Direcway Satellite provides this user with an internet connection speed of 850K down and 35K up through their satellite internet service provider. The user has a wireless network that allows sharing of their internet connection and files between multiple locations within half a mile, requiring hardware like switches, outdoor CAT5 cable, and access points with power over ethernet as well as battery backups. Proper location and line of sight is important for wireless speed and security, and patience is required when setting up such a network.
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Direcway satellite provides the author with high-speed internet access of 850K download and 35K upload speeds, which has worked reliably for almost a year without issues. The wireless network allows sharing of the internet connection and files between multiple locations within half a mile by transmitting a signal, requiring hardware like switches, outdoor CAT5 cable, and access points with power-over-ethernet backup at each location. Proper location and line of sight for antennas is important for speed, and security measures like enabled wireless network encryption and firewalls on all computers are necessary to safely use the network.
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Outlines
Introduction
What is Wi-Fi?
Wi-Fi Standards?
Hotspots
How a Wi-Fi Network works
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Introduction
Imagine working on your laptop or checking
e-mailfrom anywhere in the department.
Now , imagine
doing all thesethings
easily and quickly,
withoutworrying
about finding a wired
network connection.
That is Wi-Fi !
What is Wi-Fi?
Wi-Fi (Wireless Fidelity) is a generic term that refers to the IEEE 802.11 communications standard for Wireless Local Area Networks (WLANs).
Wireless Technology is an alternative to Wired Technology, which is commonly used, for connecting devices in wireless using radio waves.
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IEEE 802.11 Standard
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In 1999, networking hardware companies accepted the standard and began manufacturing products using the 802.11b protocol which operated in the 2.4 GHz range and was capable of transmitting at speeds of 11 Mbps.
The 802.11a protocol was also released in 1999, operating at 5 GHz with transmissions speeds of 54 Mbps, but its cost was high.
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Hotspots can be setup in any public location that can support an Internet connection.
How a Wi-Fi network works?
A Wi-Fi connection works
through a transmitting antenna,
which is usually connected to a
DSL or cable Internet connection.
The antenna on the router will
then beam radio signals through
a specific range. Another antenna,
which is on the laptop or personal
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Techno Edge Systems LLC is the trusted provider of quality IT Cabling in Dubai for organisations. We provide support and maintenance services for the network cabling installations in your organisation. Contact: +971-547914851 or Visit https://www.structurecabling.ae/services/it-cabling-in-dubai/ for further information regarding reliable network cabling installation in Dubai.
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Jive phones require a business-class network with a broadband internet connection to function properly. The network must have a router connected to the internet to assign IP addresses via DHCP, and an ethernet switch is recommended for quality of service. The firewall should allow HTTP, HTTPS, and UDP traffic, and the internet connection should have less than 100ms latency and less than 1% packet loss for clear calls. Each phone call uses about 100kbps of bandwidth.
Wireless technology - Wi-Fi
Wi-Fi is a wireless networking technology that allows devices to connect to the Internet without being physically connected with wires. It uses radio waves to transmit data between devices like computers, smartphones and access points. Common standards include 802.11b, 802.11g and 802.11n. Wi-Fi networks have advantages like mobility and easy installation but also limitations such as limited range, security risks from interference and potential hacks. Basic security techniques are used to encrypt Wi-Fi connections and protect data transmission.
4G wireless Network
4G wireless networks provide faster internet speeds than 3G networks, aiming to support data rates up to 1 Gbps for high mobility applications and up to 100 Mbps for wide-area coverage applications. 4G networks use an all-IP packet switched network and are optimized for Internet Protocol traffic, allowing services such as video conferencing. Key technologies used in 4G include MIMO antennas, IPv6, VoIP, OFDM, and software-defined radios. While true 4G networks may not be fully realized until after 2015, 4G aims to open new opportunities for mobile applications with high-speed wireless internet access.
Etherfast3828
This document is the user guide for Linksys' Instant Broadband EtherFast Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint. It includes information on installing and configuring the router, as well as appendices that describe troubleshooting, glossary terms, and instructions for setting up a VPN connection between the router and a Windows PC. The router provides firewall protection, up to two IPSec VPN tunnels, URL filtering, and other security features to connect a small network to broadband Internet or an Ethernet backbone.
wifi himanshu
This document provides an overview of Wi-Fi, including its standards, hotspots, network elements, how it works, advantages, limitations, and security techniques. It discusses the evolution of Wi-Fi standards such as 802.11, super Wi-Fi, and defines hotspots as locations that provide public wireless network access. The key components of a Wi-Fi network are described as access points, Wi-Fi cards/adapters, and security is covered including WEP, WPA, and WPA2 encryption protocols.
The Differences Between Bluetooth, ZigBee and WiFi
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It's not about what is the best it's just a description, the best you have to choose for your project what is suitable more?
Setting up a network
1) Setting up a home network requires a few basic pieces of hardware: a DSL or cable modem to connect to the internet, a wired or wireless router to connect devices on the network to the modem, and wired or wireless network adapters for devices to connect to the router.
2) A router connects devices on a home network and shares an internet connection from a modem. Devices connected to the router are given IP addresses to direct network traffic.
3) Important router specifications include wireless standard and throughput, wired throughput, range, number of ports, and wireless security settings. Choosing a router based on these specifications ensures optimal network performance and security.
Wifi Ppt
The document discusses Wi-Fi and wireless networks. It defines Wi-Fi as a wireless network that allows devices to connect without cables. Wireless networks provide mobility and higher speeds than older standards like 802.11b. The document outlines benefits of wireless like easy installation, no cables to trouble, and ability to upgrade the network easily. It addresses common myths about wireless not being secure or harmful and provides a cost comparison showing wireless can be cheaper than wired for most situations.
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