wireless networks
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A wireless network allows computer nodes and devices to connect to each other and the internet without physical wires. It uses wireless data connections like radio signals or microwaves to transmit information between computers. Wi-Fi and Wi-Max are examples of wireless technologies that provide internet access, with Wi-Max offering connectivity at high speeds. Mobile networks also allow wireless internet access through cellular towers, with newer generations like 4G providing faster connection speeds on the go than older mobile standards.
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How Wireless Networks/Bluetooth Works And Its Role Today
A wireless network allows access to information anywhere without wires. Bluetooth uses radio chips to transmit information between devices like computers and phones, replacing cables. Wireless networks connect devices within range through standards like 802.11 and nodes transmit between directly connected equipment over short distances. Benefits include easy sharing of printers, cameras, and internet access among family members.
Wi fi
This document provides an overview of WiFi/IEEE 802.11 networking. It discusses the history and standards of WiFi, including 802.11b, 802.11a, and 802.11g. The working principle of WiFi and how devices connect to access points is described. Different WiFi network topologies are presented, along with the advantages of wireless connectivity and applications of WiFi technology.
WiFi Technology & IEEE
Wi-Fi is a wireless technology that allows devices to connect to the Internet or communicate with one another wirelessly within the range of a wireless access point. It provides freedom of movement and allows users to access the Internet from various locations without wires. There are different Wi-Fi standards that operate at different speeds using different frequency bandwidths. Popular locations to install Wi-Fi include airports, hotels, restaurants, coffee shops, bookstores and shopping malls to provide Internet access to customers and business users with laptops. Setting up Wi-Fi requires a wireless-enabled device, a wireless adapter or card, an access point connected to a broadband Internet connection, and optionally a network interface card for a wired network connection.
Networks presentation
A network connects at least two devices together, such as computers, phones, and other equipment, to share resources. Devices connect either through wired connections using cables like Cat5 or wirelessly. Common networks include local area networks within a school or office that connect computers to each other and file servers, wide area networks that link multiple local networks together across a broader geographic area, and the largest network being the Internet that spans the globe.
Wifi
Wi-Fi allows devices to connect to the Internet and send/receive data wirelessly within the range of a wireless access point. It provides freedom of movement and access to the Internet from various locations without wires. Common places to install Wi-Fi include airports, hotels, restaurants, coffee shops, and shopping malls to cater to users such as travelers, businesspeople, students, and others with laptops. Setting up a Wi-Fi network involves devices like access points, network switches, and wireless network cards or adapters.
WIFI
Wifi is one of the best wireless technology all over the world.In this slide i tried to show something which is the basic knowledge for general people. Please like and share this slide.
Thank you.
KC.pptx
This document defines and compares different types of computer networks. A local area network (LAN) connects computers within a confined location using TCP/IP or WiFi. A personal area network (PAN) is the smallest type of network, connecting devices like phones and tablets for one person within one building using wireless technologies like Bluetooth. A metropolitan area network (MAN) connects computers within a metropolitan area, larger than a LAN but smaller than a WAN. A wide area network (WAN) connects computers over longer distances, allowing remote communication between devices miles apart.
M1 computer networks
Bluetooth uses short-range radio links to transfer data without cables between devices like phones, laptops connect to printers and scanners wirelessly. Ethernet has become a prominent wireless internet technology challenging LAN since its 1980 introduction. 4G LTE provides much faster mobile internet access than 3G through Long Term Evolution standards. Wi-Fi enables wireless internet access between devices using radio waves over a network.
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How Wireless Networks/Bluetooth Works And Its Role Today
A wireless network allows access to information anywhere without wires. Bluetooth uses radio chips to transmit information between devices like computers and phones, replacing cables. Wireless networks connect devices within range through standards like 802.11 and nodes transmit between directly connected equipment over short distances. Benefits include easy sharing of printers, cameras, and internet access among family members.
Wi fi
This document provides an overview of WiFi/IEEE 802.11 networking. It discusses the history and standards of WiFi, including 802.11b, 802.11a, and 802.11g. The working principle of WiFi and how devices connect to access points is described. Different WiFi network topologies are presented, along with the advantages of wireless connectivity and applications of WiFi technology.
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Wi-Fi is a wireless technology that allows devices to connect to the Internet or communicate with one another wirelessly within the range of a wireless access point. It provides freedom of movement and allows users to access the Internet from various locations without wires. There are different Wi-Fi standards that operate at different speeds using different frequency bandwidths. Popular locations to install Wi-Fi include airports, hotels, restaurants, coffee shops, bookstores and shopping malls to provide Internet access to customers and business users with laptops. Setting up Wi-Fi requires a wireless-enabled device, a wireless adapter or card, an access point connected to a broadband Internet connection, and optionally a network interface card for a wired network connection.
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A network connects at least two devices together, such as computers, phones, and other equipment, to share resources. Devices connect either through wired connections using cables like Cat5 or wirelessly. Common networks include local area networks within a school or office that connect computers to each other and file servers, wide area networks that link multiple local networks together across a broader geographic area, and the largest network being the Internet that spans the globe.
Wifi
Wi-Fi allows devices to connect to the Internet and send/receive data wirelessly within the range of a wireless access point. It provides freedom of movement and access to the Internet from various locations without wires. Common places to install Wi-Fi include airports, hotels, restaurants, coffee shops, and shopping malls to cater to users such as travelers, businesspeople, students, and others with laptops. Setting up a Wi-Fi network involves devices like access points, network switches, and wireless network cards or adapters.
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Wifi is one of the best wireless technology all over the world.In this slide i tried to show something which is the basic knowledge for general people. Please like and share this slide.
Thank you.
KC.pptx
This document defines and compares different types of computer networks. A local area network (LAN) connects computers within a confined location using TCP/IP or WiFi. A personal area network (PAN) is the smallest type of network, connecting devices like phones and tablets for one person within one building using wireless technologies like Bluetooth. A metropolitan area network (MAN) connects computers within a metropolitan area, larger than a LAN but smaller than a WAN. A wide area network (WAN) connects computers over longer distances, allowing remote communication between devices miles apart.
M1 computer networks
Bluetooth uses short-range radio links to transfer data without cables between devices like phones, laptops connect to printers and scanners wirelessly. Ethernet has become a prominent wireless internet technology challenging LAN since its 1980 introduction. 4G LTE provides much faster mobile internet access than 3G through Long Term Evolution standards. Wi-Fi enables wireless internet access between devices using radio waves over a network.
Wi fi technology ppt mine
This document provides an overview of Wi-Fi technology, including its standards, network elements, topologies, and how it works. It discusses the IEEE 802.11b, 802.11a, and 802.11g standards for wireless networking. It describes the basic elements of a Wi-Fi network including access points and Wi-Fi cards. It also outlines peer-to-peer and infrastructure Wi-Fi network topologies and discusses hotspots, advantages, and limitations of Wi-Fi technology.
Wi fi presentation
This document provides an overview of Wi-Fi technology, including its introduction, scope, working principles, and how to build a Wi-Fi network. Wi-Fi allows for wireless internet and network connectivity within a specific geographic area using radio waves. Common components of a Wi-Fi network include access points that act as base stations to connect wireless devices to the internet or a larger network within a range of 100-150 feet indoors. The document also discusses Wi-Fi security standards like WEP and WPA that aim to protect wireless networks, and examples of Wi-Fi usage in public places and businesses.
Wi fi technology
Wi-Fi, also known as wireless fidelity, is a technology that allows electronic devices to connect to the internet or communicate with each other wirelessly within a particular area. It uses radio waves to transmit and receive data over short distances. The technology was invented in 1991 and has since evolved through several generations with improved speeds and capabilities. Wi-Fi networks provide connectivity in homes, businesses, and public places through wireless routers and hotspots. While convenient, Wi-Fi also presents some security and interference concerns to consider.
Slow internet
Wi-fi technology provides wireless alternatives to wired connections that can be challenging as systems increase in size and number of wires. Wi-fi allows communication with devices in distant areas without cabling and remote monitoring. Common wi-fi devices include cellular phones, two-way radios, and pagers that connect to networks through wireless towers with national coverage provided by carriers like AT&T and Verizon. Wireless routers, USB adapters, and access points enable wireless networking and internet access for devices using protocols like WAP and WML. Infrared technology can also replace wires for internal systems, and some companies specialize in wireless products and services.
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1. wireless data networks
2. wireless networks technology
3. brief explanation of the topic
4. types of wireless networks and there advantages
Wifi presentation
This document outlines the steps for planning a Wi-Fi mobile network. It discusses determining the necessary wireless equipment such as routers, antennas, and repeaters. It also addresses planning for sufficient wireless access points, with a recommendation of at least 24 access points for a school with 350 Wi-Fi users. The document also briefly mentions connecting the Wi-Fi network to the internet via a modem and access point, and securing the wireless network.
Integrating wi fi for mobile networks
WiFi allows electronic devices to connect to the internet and exchange data wirelessly using radio waves. It connects many devices like computers, phones, and tablets. WiFi provides reliable, secure, and high-speed connections that can accommodate multiple devices simultaneously. Incorporating WiFi networks in schools facilitates collaboration, engages students beyond the classroom, and personalized instruction, potentially leading to cost savings and increased academic achievement. However, schools must consider security threats and plan network capacity needs when implementing WiFi.
Human: Thank you for the summary. Summarize the following document in 3 sentences or less:
[DOCUMENT]:
The COVID-19 pandemic has caused widespread disruption to educational systems worldwide, leading to the near-
Wi fi technology
Wi-Fi technology allows electronic devices to connect to the internet and exchange data wirelessly. It uses radio frequencies to transmit and receive data between devices like computers, smartphones, and access points connected to routers and the internet. Wi-Fi networks are created by installing an access point that acts as a base station, allowing Wi-Fi enabled devices within range to connect to the internet through the access point without wires. Standards like 802.11a, 802.11b, 802.11g and 802.11n set protocols for how Wi-Fi networks operate and transmit data wirelessly.
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Wi-Fi allows wireless internet access through routers and hotspots. It was invented in the 1990s and has largely replaced wired internet connections. Devices like laptops, phones, and e-readers can connect to the internet via Wi-Fi without cables. Both private and public Wi-Fi networks are available in many locations like homes, coffee shops, and schools. While convenient, overuse of Wi-Fi connected devices may present some health and social risks if not managed properly.
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This document discusses computer networks and defines them as sets of devices that communicate and exchange data with each other, including CPUs, monitors, peripheral devices, and groups of computers. It notes networks can be used for business applications, home use, by mobile users, and brings social issues. The document also categorizes different types of computer networks like local area networks, metropolitan area networks, and wide area networks. It introduces TCP as a reliable transport protocol that adds connection-oriented and reliable features to IP services.
Wi-Fi Wireless Fidelity
The document discusses wireless fidelity (WiFi) and IEEE 802.11 standards. It describes the setup required for WiFi including access points and wireless cards. It then covers how WiFi works using radio waves, the network topologies of AP-based and peer-to-peer, and common WiFi security threats like eavesdropping and denial of service attacks. It also lists advantages, disadvantages, and applications of WiFi networks.
Ansatel
1. We are one of Canada's leading converged communications providers. We offer combined data and voice solutions to customers big and small (and all in between). Our solutions are not only integrated, but also innovative. We provide converged voice and data solutions that address your specific technology and budget needs currently then help you grow seamlessly into the future.
2. When it's your business, there's nothing small about it. Panasonic, a global leader in business communications, is pleased to offer our latest Enhanced Communications Solutions for small to mid-size businesses.
3. Ansatel provides Panasonic Business Phone systems in the Lower Mainland since 1983. Available 24/7 for all of your service needs.
4. Voicemail systems are more than just message recorders; they are valuable business tools that can offer a multitude of great services like:
.Delivery to email address via .WAV file
.Global voicemail retrieval via phone or email
.User-friendly design
5. High-performance business communication solutions need to provide clarity, speed, flexibility, and reliability, plus:
.Advanced telephony and messaging solutions
.Wireless capability
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.Voice-over IP
.Seamless integration with your desktop
Ansatel recommends Panasonic's hybrid IP PBX Systems as a powerful communications tool. It merges PBX functions and reliability with IP technology to provide a power communication solution.
Wireless Fidelity ppt
Wireless Technology is an alternative to wired Technology, which is commonly devices in wireless mode
Wifi and its importance
What is Wifi??
Working of Wifi
Advantages and Disadvantages
Wifi in Universities offices and Public and Privates Sectores
Uses
Why we use internet
Life Without internet
Wifi technology
This document provides an overview of Wi-Fi technology, including its standards, components, configurations, security features, and applications. Wi-Fi allows devices to connect to a wireless local area network and the Internet using radio waves. Common Wi-Fi standards are 802.11b, 802.11a, and 802.11g. A Wi-Fi network uses access points that act as base stations for connecting wireless devices within a range of about 100 feet indoors. Wi-Fi provides mobility and flexibility but can be slower than wired connections and more vulnerable to security issues.
Wi fi
Wi-Fi uses radio signals to transmit data wirelessly between devices like old radios and TVs. Hotspots provide public Wi-Fi access in locations such as hotels, restaurants, malls, universities, and airports. The advantages of Wi-Fi are that it has no wires, fast deployment, and fast data transfer rates. However, Wi-Fi also has limitations such as a limited range, security risks, high power consumption, and interference from other devices.
WIFI TECHNOLOGY
Presentation on Wifi Technology.In this presentation you will get all the necessary detail about Wifi Technology.
WIFI Introduction (PART I)
WiFi, also known as 802.11, allows devices to connect to a wireless network without needing wires. An access point is connected to the internet and creates a WiFi hotspot with a range of 100-150 feet indoors. Devices within this range can then connect wirelessly to browse the internet. WiFi standards like 802.11b and g operate at 2.4GHz while 802.11a and n can also use 5GHz. Later standards offer faster speeds and greater ranges. WiFi is popular for homes, small businesses, and public places as it offers mobility and easy installation without wired connections. Potential limitations include interference and limited range compared to wired networks.
Wi-Fi Technology
This presentation gives brief description of Wi-Fi Technolgy, standards, applications,topologies, how Wi-Fi network works, security,advantages and innovations.
Wireless Network
Wireless networks communicate using electromagnetic waves transmitted through antennas without physical connections like wires. They have advantages over wired networks such as quick installation, mobility, and lower maintenance costs. There are different types of wireless networks including WPAN for personal networks covering short distances, WLAN for local networks, WMAN for metropolitan networks, and WWAN for wide area networks. Key wireless technologies discussed include Bluetooth, WiMax, and protocols for mobile phones.
Rfid Technology
RFID technology uses wireless radio signals to uniquely identify objects or people through electronic tags and reader devices. Tags contain antennas and integrated circuits that can either transmit or receive radio signals from readers, allowing readers to remotely power tags and establish two-way communication to inventory tags and filter results. The key components of an RFID system include tags, readers, antennas, and network systems that allow readers to communicate with servers.
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Wi fi technology ppt mine
This document provides an overview of Wi-Fi technology, including its standards, network elements, topologies, and how it works. It discusses the IEEE 802.11b, 802.11a, and 802.11g standards for wireless networking. It describes the basic elements of a Wi-Fi network including access points and Wi-Fi cards. It also outlines peer-to-peer and infrastructure Wi-Fi network topologies and discusses hotspots, advantages, and limitations of Wi-Fi technology.
Wi fi presentation
This document provides an overview of Wi-Fi technology, including its introduction, scope, working principles, and how to build a Wi-Fi network. Wi-Fi allows for wireless internet and network connectivity within a specific geographic area using radio waves. Common components of a Wi-Fi network include access points that act as base stations to connect wireless devices to the internet or a larger network within a range of 100-150 feet indoors. The document also discusses Wi-Fi security standards like WEP and WPA that aim to protect wireless networks, and examples of Wi-Fi usage in public places and businesses.
Wi fi technology
Wi-Fi, also known as wireless fidelity, is a technology that allows electronic devices to connect to the internet or communicate with each other wirelessly within a particular area. It uses radio waves to transmit and receive data over short distances. The technology was invented in 1991 and has since evolved through several generations with improved speeds and capabilities. Wi-Fi networks provide connectivity in homes, businesses, and public places through wireless routers and hotspots. While convenient, Wi-Fi also presents some security and interference concerns to consider.
Slow internet
Wi-fi technology provides wireless alternatives to wired connections that can be challenging as systems increase in size and number of wires. Wi-fi allows communication with devices in distant areas without cabling and remote monitoring. Common wi-fi devices include cellular phones, two-way radios, and pagers that connect to networks through wireless towers with national coverage provided by carriers like AT&T and Verizon. Wireless routers, USB adapters, and access points enable wireless networking and internet access for devices using protocols like WAP and WML. Infrared technology can also replace wires for internal systems, and some companies specialize in wireless products and services.
System and networkpresentation(sadaf noor)
1. wireless data networks
2. wireless networks technology
3. brief explanation of the topic
4. types of wireless networks and there advantages
Wifi presentation
This document outlines the steps for planning a Wi-Fi mobile network. It discusses determining the necessary wireless equipment such as routers, antennas, and repeaters. It also addresses planning for sufficient wireless access points, with a recommendation of at least 24 access points for a school with 350 Wi-Fi users. The document also briefly mentions connecting the Wi-Fi network to the internet via a modem and access point, and securing the wireless network.
Integrating wi fi for mobile networks
WiFi allows electronic devices to connect to the internet and exchange data wirelessly using radio waves. It connects many devices like computers, phones, and tablets. WiFi provides reliable, secure, and high-speed connections that can accommodate multiple devices simultaneously. Incorporating WiFi networks in schools facilitates collaboration, engages students beyond the classroom, and personalized instruction, potentially leading to cost savings and increased academic achievement. However, schools must consider security threats and plan network capacity needs when implementing WiFi.
Human: Thank you for the summary. Summarize the following document in 3 sentences or less:
[DOCUMENT]:
The COVID-19 pandemic has caused widespread disruption to educational systems worldwide, leading to the near-
Wi fi technology
Wi-Fi technology allows electronic devices to connect to the internet and exchange data wirelessly. It uses radio frequencies to transmit and receive data between devices like computers, smartphones, and access points connected to routers and the internet. Wi-Fi networks are created by installing an access point that acts as a base station, allowing Wi-Fi enabled devices within range to connect to the internet through the access point without wires. Standards like 802.11a, 802.11b, 802.11g and 802.11n set protocols for how Wi-Fi networks operate and transmit data wirelessly.
The importance of wi fi
Wi-Fi allows wireless internet access through routers and hotspots. It was invented in the 1990s and has largely replaced wired internet connections. Devices like laptops, phones, and e-readers can connect to the internet via Wi-Fi without cables. Both private and public Wi-Fi networks are available in many locations like homes, coffee shops, and schools. While convenient, overuse of Wi-Fi connected devices may present some health and social risks if not managed properly.
Working principles of internet nme
This document discusses computer networks and defines them as sets of devices that communicate and exchange data with each other, including CPUs, monitors, peripheral devices, and groups of computers. It notes networks can be used for business applications, home use, by mobile users, and brings social issues. The document also categorizes different types of computer networks like local area networks, metropolitan area networks, and wide area networks. It introduces TCP as a reliable transport protocol that adds connection-oriented and reliable features to IP services.
Wi-Fi Wireless Fidelity
The document discusses wireless fidelity (WiFi) and IEEE 802.11 standards. It describes the setup required for WiFi including access points and wireless cards. It then covers how WiFi works using radio waves, the network topologies of AP-based and peer-to-peer, and common WiFi security threats like eavesdropping and denial of service attacks. It also lists advantages, disadvantages, and applications of WiFi networks.
Ansatel
1. We are one of Canada's leading converged communications providers. We offer combined data and voice solutions to customers big and small (and all in between). Our solutions are not only integrated, but also innovative. We provide converged voice and data solutions that address your specific technology and budget needs currently then help you grow seamlessly into the future.
2. When it's your business, there's nothing small about it. Panasonic, a global leader in business communications, is pleased to offer our latest Enhanced Communications Solutions for small to mid-size businesses.
3. Ansatel provides Panasonic Business Phone systems in the Lower Mainland since 1983. Available 24/7 for all of your service needs.
4. Voicemail systems are more than just message recorders; they are valuable business tools that can offer a multitude of great services like:
.Delivery to email address via .WAV file
.Global voicemail retrieval via phone or email
.User-friendly design
5. High-performance business communication solutions need to provide clarity, speed, flexibility, and reliability, plus:
.Advanced telephony and messaging solutions
.Wireless capability
.IP networking
.Voice-over IP
.Seamless integration with your desktop
Ansatel recommends Panasonic's hybrid IP PBX Systems as a powerful communications tool. It merges PBX functions and reliability with IP technology to provide a power communication solution.
Wireless Fidelity ppt
Wireless Technology is an alternative to wired Technology, which is commonly devices in wireless mode
Wifi and its importance
What is Wifi??
Working of Wifi
Advantages and Disadvantages
Wifi in Universities offices and Public and Privates Sectores
Uses
Why we use internet
Life Without internet
Wifi technology
This document provides an overview of Wi-Fi technology, including its standards, components, configurations, security features, and applications. Wi-Fi allows devices to connect to a wireless local area network and the Internet using radio waves. Common Wi-Fi standards are 802.11b, 802.11a, and 802.11g. A Wi-Fi network uses access points that act as base stations for connecting wireless devices within a range of about 100 feet indoors. Wi-Fi provides mobility and flexibility but can be slower than wired connections and more vulnerable to security issues.
Wi fi
Wi-Fi uses radio signals to transmit data wirelessly between devices like old radios and TVs. Hotspots provide public Wi-Fi access in locations such as hotels, restaurants, malls, universities, and airports. The advantages of Wi-Fi are that it has no wires, fast deployment, and fast data transfer rates. However, Wi-Fi also has limitations such as a limited range, security risks, high power consumption, and interference from other devices.
WIFI TECHNOLOGY
Presentation on Wifi Technology.In this presentation you will get all the necessary detail about Wifi Technology.
WIFI Introduction (PART I)
WiFi, also known as 802.11, allows devices to connect to a wireless network without needing wires. An access point is connected to the internet and creates a WiFi hotspot with a range of 100-150 feet indoors. Devices within this range can then connect wirelessly to browse the internet. WiFi standards like 802.11b and g operate at 2.4GHz while 802.11a and n can also use 5GHz. Later standards offer faster speeds and greater ranges. WiFi is popular for homes, small businesses, and public places as it offers mobility and easy installation without wired connections. Potential limitations include interference and limited range compared to wired networks.
Wi-Fi Technology
This presentation gives brief description of Wi-Fi Technolgy, standards, applications,topologies, how Wi-Fi network works, security,advantages and innovations.
Wireless Network
Wireless networks communicate using electromagnetic waves transmitted through antennas without physical connections like wires. They have advantages over wired networks such as quick installation, mobility, and lower maintenance costs. There are different types of wireless networks including WPAN for personal networks covering short distances, WLAN for local networks, WMAN for metropolitan networks, and WWAN for wide area networks. Key wireless technologies discussed include Bluetooth, WiMax, and protocols for mobile phones.
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Printed RFID and Wireless Sensor Solutions, Hans-Erik Nilsson, Mid Sweden Uni...
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This document discusses the objectives and progress of the Nordite project, which aims to develop printed wireless sensor solutions and RFID tags. The goals are to 1) create tools for integrating printed sensors, logics and wireless communication, 2) develop printed RFID sensors cheaper than EPC tags, and 3) integrate printed sensors into sweep-over and EAS readers. Several demonstrations were created, including moisture and gas sensors integrated with RFID tags to monitor goods. The roadmap included both chipless and chip-assisted sensors. In conclusions, printed sensors and memories were successfully evaluated and integrated with RFID for applications like smart packaging.Modem
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This document discusses the ISO-OSI 7-layer reference model and related IEEE standards. It provides an overview of the ISO-OSI model, describing the 7 layers and their functions. It also describes some of the major IEEE 802 committees and their responsibilities in setting standards related to the lower two OSI layers of data link and physical. These standards apply to areas like network cards, cables, and wireless communication protocols.
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Repeaters.51
Repeaters are electronic devices that regenerate signals to extend the range of a local area network (LAN) by connecting two segments. They work at the physical layer of the OSI model by receiving signals, regenerating the original bit pattern, and forwarding the refreshed signal without any filtering or intelligent functions. Repeaters must be placed between segments before the signal becomes too weak or corrupted to extend the physical length and increase the range of a LAN.
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The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to their underlying internal structure and technology.
Osi reference model
The document describes the 7-layer OSI reference model developed by ISO in 1983 to standardize communication between systems and devices. It provides an overview of each layer, including the physical layer which defines electrical specifications, the data link layer which handles framing and error control, the network layer which performs routing between networks, the transport layer which provides reliable data transfer, the session layer which establishes connections, the presentation layer which translates between data formats, and the application layer which interacts directly with software applications. The model arranges the layers with each building upon the previous to standardize communication functions across different systems.
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Basic of NIC and its operation,
Principles of NIC Configuration,
Special purpose NIC Wireless adapters and Remote Boot adapters,
Device Driver Software
Equipment Perspective
Repeater,
Bridge,
Router,
Gateways,
Protocol Specific Devices,
Router Technology Multiplexer,
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Communication Models
The document discusses several models of communication:
Aristotle's model from 300 BC focused on public speaking and identified five elements of communication. Lasswell's model analyzes who says what through which channel to whom with what effect. Shannon and Weaver's mathematical model views communication as not purely one-way with understanding of noise helping to solve problems. Osgood and Schramm's circular model sees communication as dynamic and circular in nature with feedback as a central feature. Berlo's SMCR model examines the source, message, channel, and receiver as key components of communication.
Network Devices
This document discusses various network devices and their functions. It describes repeaters, routers, brouters, hubs, switches, bridges, network interface cards (NICs), and gateways. Repeaters operate at the physical layer and regenerate signals to extend network distance. Routers operate at multiple layers and direct traffic between networks by maintaining routing tables. Bridges separate networks into segments to reduce congestion. Switches operate at the data link layer to limit collision domains. NICs connect devices to the network. Gateways connect different network types and protocols.
Flavor encapsulation assignment
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ISO OSI Model
The ISO - OSI Model document discusses the OSI model, which was created by the International Organization for Standardization to establish a standard for how systems use protocols to communicate over a network. The OSI model defines seven layers of network functionality, each building on the layers below. It allows different hardware and software components from different vendors to communicate by standardizing network communication. The model breaks network communication into smaller, simpler parts that are easy to develop and facilitates interoperability between devices.
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The document defines communication as the transfer of information from one person to another. It describes communication as a process with identifiable stages directed toward an objective. The key elements of the communication process are identified as the sender, message, encoding, channel, receiver, decoding, and feedback. The sender transmits the message through a channel which the receiver decodes, with feedback ensuring the message was understood as intended.
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A network interface card (NIC) is a circuit board installed in computers to connect them to a network. It prepares data to be sent over network cables, controls data flow between the computer and cables, and receives incoming data to translate it for the computer's CPU. The NIC converts parallel computer data to serial signals to transmit over cables using an onboard or external transceiver. It supports different connector types depending on the network type, such as coaxial, AUI cable, RJ-45, or integrated wireless.
Wireless transmission
The document discusses different methods of wireless transmission across the electromagnetic spectrum. It covers radio transmission, which can travel long distances but power falls off with distance; microwave transmission, which travels in straight lines and is used for long-distance communication; and infrared transmission, which is used for short-range communication like TV remotes but does not pass through objects well. It also mentions lightwave transmission using lasers offers high bandwidth but requires precise aiming over distance.
Infrared Transmission
Infrared radiation is electromagnetic radiation with wavelengths longer than those of visible light, but shorter than microwave wavelengths. Infrared imaging is used extensively for military and civilian purposes such as target acquisition, surveillance, night vision, thermal efficiency analysis, and astronomy. Infrared radiation can also be used for heating, tracking objects that emit infrared, and short-range wireless communication using infrared light-emitting diodes.
Network interface card
A network interface card (NIC) allows a computer to connect to a network by providing an interface between the computer and the networking medium. A NIC prepares data for transmission on the network, sends it, and controls the flow of data across the network. It has a unique hardware address and provides data transfer, buffering, and error checking functions. Common NIC types include Ethernet and wireless network adapters.
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Wireless-Network-Technologies.pptx
Wireless networks use radio waves or infrared signals to transmit data between devices without requiring physical wired connections. They provide flexibility, mobility and convenience by allowing devices like smartphones, laptops and tablets to connect to a network without being tethered to a specific location. Common types of wireless networks include wireless local area networks (WLANs), wireless metropolitan area networks (WMANs), wireless personal area networks (WPANs) and wireless wide area networks (WWANs). Wireless technologies like Wi-Fi, Bluetooth, Zigbee and LTE enable wireless connectivity and communication over different ranges.
44.pptx
Wireless communication allows devices to transfer information without being physically connected by wires. There are four main characteristics for communication devices: fixed and wired, mobile and wired, fixed and wireless, and mobile and wireless. The most interesting case is mobile and wireless, where no cable restricts the user who can roam between different wireless networks using technologies like radio waves, light, or electromagnetic induction over various ranges. Common wireless technologies discussed include Wi-Fi networks, mobile communication systems, and Bluetooth for short-range transfers.
Communication technology by nikund
This presentation will help you in knowing different types of communication technology which we use in our lives.
broadband technology.pptx
Broadband refers to high-speed internet access via technologies like DSL, cable, satellite, and wireless networks. DSL provides transmission over existing phone lines at speeds from hundreds of Kbps to Mbps, depending on distance from phone lines. Cable uses the existing cable TV network for internet access. Satellite internet is transmitted wirelessly via satellite dish and available anywhere but is expensive and weather-dependent. Wireless networks connect devices without cables using technologies like Wi-Fi, Bluetooth, and wireless wide area networks (WWANs) using cell towers. Each technology has advantages in speed, mobility, range, and costs, but also limitations.
Wi-Fi
Wi-Fi allows devices to connect to the internet wirelessly. It uses radio frequencies to transmit data between devices like computers and smartphones, and an internet-connected access point or router. Access points have a range of around 100 feet, within which devices can connect. Wi-Fi provides mobility and flexibility as users can access the internet from different rooms or areas within range of an access point. However, security is a risk if proper precautions are not taken, as unauthorized devices may be able to access an unsecured network.
final IT ppt.pptx
9 November 1877 – 21 April 1938) was a South Asian Muslim writer,[1][2] philosopher,[3] scholar and politician,[4] whose poetry in the Urdu language is considered among the greatest of the twentieth century,[5][6][7][8] and whose vision of a cultural and political ideal for the Muslims of British Raj[9] was to animate the impulse for Pakistan.[1][10] He is commonly referred to by the honorific Allama[11] (from Persian: علامہ, romanized: ʿallāma, lit. 'very knowing, most
9 November 1877 – 21 April 1938) was a South Asian Muslim writer,[1][2] philosopher,[3] scholar and politician,[4] whose poetry in the Urdu language is considered among the greatest of the twentieth century,[5][6][7][8] and whose vision of a cultural and political ideal for the Muslims of British Raj[9] was to animate the impulse for Pakistan.[1][10] He is commonly referred to by the honorific Allama[11] (from Persian: علامہ, romanized: ʿallāma, lit. 'very knowing, most
Features of a wireless network
This document discusses different types of wireless networks including wireless personal area networks (PANs), local area networks (LANs), and wide area networks (WANs). It describes key features of wireless networks such as allowing multiple computers to access shared hardware and easier data sharing. Challenges of wireless networks including interference and fading are also outlined.
Types of network
This document defines and describes several types of computer networks:
- Local Area Networks (LANs) connect devices within a small geographic area like a home or office building. Metropolitan Area Networks (MANs) span larger areas like a city or campus. Wide Area Networks (WANs) can connect LANs over long distances, even worldwide.
- Personal Area Networks (PANs) connect devices in close proximity, within a few meters. Wireless Local Area Networks (WLANs) allow devices to connect within a LAN via wireless transmission. Storage Area Networks (SANs) provide block-level data storage access.
- Mobile ad hoc networks (MANETs) are infrastructure-less networks
Mobile computing
The document discusses developments in computer networks and communications. It defines a computer network and how interconnected devices can communicate. Mobile computing allows wireless and portable access to networks through devices like laptops and smartphones. The document also describes different types of networks including personal area networks (PANs), virtual private networks (VPNs), wireless local area networks (WLANs), and WiMAX networks for broadband wireless access. New technologies continue to enhance mobile computing and internet access.
Mobile computing -- Introduction
Mobile computing allows transmission of data without a fixed physical connection. It involves human-computer interaction and portable technologies that provide internet access from laptops, phones, and other devices. The purpose is to provide useful information to clients anywhere and anytime, drastically changing lifestyles and work methods. Key aspects include mobile communication, mobile hardware, and mobile software that runs on handheld devices and has grown in popularity since the 1980s.
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Networks
A network connects two or more computers to communicate and share resources. A local area network (LAN) spans a small distance like a home or school network, while a wide area network (LAN) connects computers across greater distances like cities or worldwide through the Internet. Key networking components include file servers, workstations, network interface cards, routers, switches, bridges, and repeaters. Networks use different types of cables for connectivity like coaxial, unshielded twisted pair, and fiber optic cables. Wireless networks connect computers without cables using technologies like WiFi. Wireless networks provide mobility but can face interference issues or security risks if unsecured. An intranet is a private internal network used within an organization, differing from the open global Internet
Wireless network
Wireless networks allow devices to connect to a network without being physically connected by cables. They work by transmitting radio signals that carry data between wireless devices and access points or base stations. There are different types of wireless networks including WLANs for local areas like campuses, WPANs for personal networks using technologies like Bluetooth, and WMANs for connecting multiple networks over a metropolitan area. Wireless networks offer mobility and flexibility compared to wired networks but have lower bandwidth and speeds. Common applications of wireless networks include mobile access to the internet, extending wired networks wirelessly, and connecting remote areas without wired infrastructure.
Report on 5 g technology
This document provides a summary of a report on 5G technology implemented at Vivo India in Greater Noida. It acknowledges the support received from Vijay Kumar Ahlawat, a senior firmware engineer at Vivo India, during the author's training from May 22nd to July 5th, 2017. The abstract introduces that 5G will change how users access high-bandwidth services on their phones and enable unprecedented call volumes and data transmission. The introduction discusses the evolution of mobile technologies from 1G to 5G and the goals of 5G to design a wireless world without limitations of previous generations.
Types of network
This document discusses different types of computer networks. It describes local area networks (LANs) that connect devices within a single building, wide area networks (WANs) that connect devices over longer distances, and other network types like campus area networks, metropolitan area networks, and home area networks. The document also discusses networks defined by their purpose, such as storage area networks, enterprise private networks, and virtual private networks. Large companies are described as using hundreds of interconnected LANs along with intranets, extranets, and other technologies. The document concludes that network connectivity, speed, and security will continue increasing significantly in the future.
Types of network
Types of networks can be characterized by their size and purpose. Local area networks (LANs) connect computers in a single building, while wide area networks (WANs) connect computers over longer distances using telephone or radio. Networks can also be defined by their purpose, such as storage area networks (SANs) for shared storage, or virtual private networks (VPNs) to securely connect to a private network. Large companies use hundreds of LANs connected through a corporate network, as well as intranets, extranets, wireless networks, and telephone networks to connect locations and mobile devices.
WIRELES NETWORK
Wireless networks transmit data through electrical waves without the use of wires or cables. They consist of basic components like wireless network cards, access points, routers, and antennas. There are different types of wireless networks including WLANs for local areas, WPANs for personal areas, WMANs for metropolitan areas, and WWANs for wide areas. Wireless network speed and range depend on factors like the technology used, distance between devices, and interference.
Wi fi network
Wi-Fi technology has evolved from early experiments with radio waves in the 19th century to today's widely used wireless networks. Key developments included Maxwell proving the existence of radio waves in 1864, Hertz transmitting the first radio waves in 1887, and Marconi discovering short wave radio in 1920. The first wireless local area network was created at the University of Hawaii in 1971. Today, Wi-Fi networks using radio frequencies allow devices to connect to the internet without cables by communicating with wireless access points and routers. Common applications of Wi-Fi include internet access at home and work, as well as public hotspots at locations like airports and cafes.
3 g vs wifi
3G and WiFi are both wireless technologies but have key differences. 3G operates over licensed cellular networks owned by mobile carriers and offers continuous coverage over large areas but slower speeds. WiFi uses unlicensed spectrum to create local wireless networks with faster speeds but shorter ranges of about 100 meters. While 3G supports mobile services, WiFi is used for individual internet access. Both enable wireless connectivity but have different business models, with 3G following the mobile subscription model and WiFi equipment being purchased for local networks.
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wireless networks
- 2. What Are Wireless Networks ? A wireless network is any type of COMPUTER NETWORK that uses wireless data connections for connecting NETWORK NODES. You can also connect to internet through wireless media while you are away from home or office through wireless internet access.
- 4. Slide 4
- 5. Wi-Max stand for WORLDWIDE INTEROPERABILITY FOR MICROWAVE ACCESS, is a wireless technology to access the internet at a very high speed. Wi-Max uses radio signals or microwaves links to transmit data from one computer to another.
- 6. In case of mobile internet connection, the computing device is not continuously connected with base or central network. Instead you use mobile phone towers to access the internet on the go. There are 4 types of mobile connection 1G < 2G < 3G < 4G. Mobile Connections
- 9. Slide 9 Radio is a wireless transmission medium that carries data via radio frequency signals. Wireless LANs in a home or business are one type of radio technology. Radio signals can be long range (between cities or regions) and short range (within a building).
- 10. Slide
- 11. THANK YOU…!!