This document discusses different types of computer networks and networking hardware and software requirements. It describes mainframe/terminal networks from the 1960s-1970s, server/client networks from the 1980s with centralized data storage, and peer-to-peer networks from the 1990s primarily used for file sharing. Typical network installation involves network interface cards, hubs, switches, routers, and cabling. Common networking protocols include TCP/IP, NetBEUI, IPX/SPX. The document provides guidance on installing networking hardware and software for peer-to-peer Windows networks. It also discusses wireless network security best practices.
The document discusses various network architectures including Token Ring, Ethernet, FDDI, AppleTalk, ARCNET, and MAN systems. Token Ring uses a logical ring topology and token passing for data transfer. It has advantages like no data collisions but disadvantages if links are malfunctioning. Ethernet uses CSMA/CD and can use any physical topology. FDDI provides high performance over fiber optic cables in a token ring architecture. AppleTalk was an early client-server system for Macintosh. ARCNET uses token passing over coaxial cable and supports up to 255 nodes. MAN connects different LANs over large distances.
This document discusses network architecture and provides details on:
- The four basic types of network topologies: point-to-point, bus, star, and ring.
- The seven layer OSI model and what each layer is responsible for in network communication.
- A comparison between the OSI model and the TCP/IP model, explaining their different approaches to network architecture and protocols.
This document provides an overview of computer networks and the Internet. It defines a computer network as a collection of connected computing devices that share resources. The main advantages are sharing devices and files, communication capabilities, and centralized data backup. Challenges include high setup costs and risk of viruses or hacking. It describes common network models like client-server, and different types of networks by transmission range. The Internet is defined as a global network of networks using TCP/IP that links billions of devices worldwide. Key components that enable the Internet include backbone networks, ISPs, packet switching, and TCP and IP protocols.
A computer network connects multiple devices together to share resources and information. There are different types of networks including LANs, WANs, MANs, PANs, and VPNs. Network topology describes how devices are physically connected, with common topologies being bus, star, ring, mesh, and tree. Key networking hardware includes network interface cards, hubs, switches, bridges, and routers. Networks are measured based on latency, data transfer rate, bandwidth, and other performance parameters. Ethernet is a common standard used to connect devices via cables or wirelessly. IP addresses identify devices on the Internet or private networks.
Peer-to-peer (P2P) networks are a type of computer network architecture where individuals form a loose group to share resources directly with others in the group without a centralized server. There are two main types of P2P network structures - unstructured and structured. Unstructured networks do not use algorithms to organize the network, while structured networks use algorithms to optimize routing. Popular applications of P2P networking include file sharing, media streaming, grid computing, instant messaging, and voice over internet protocol.
This document provides an overview of basic local area network (LAN) concepts including definitions, hardware, media, and sample implementations. It defines a LAN as a group of computers and devices sharing resources within a small geographic area. Common LAN hardware includes hubs, switches, bridges, and routers which connect devices and segment traffic at different OSI model layers. Wired media include twisted pair, coaxial, and fiber optic cables while common wireless technologies are Wi-Fi and WiMax. Sample configurations show home and business LAN setups connecting devices via these components.
The document provides an overview of basic networking hardware and concepts. It defines a local area network (LAN) and discusses common LAN topologies like bus, star, and ring. It also describes common networking hardware such as hubs, switches, bridges, routers, and network interface cards. The document outlines different network media including copper, fiber optic, and wireless technologies. It provides examples of how home and business networks can be implemented using these concepts and technologies.
The document discusses different network topologies including mesh, star, bus, ring, tree, and hybrid topologies. For each topology, it describes the logical layout, advantages, disadvantages, and examples of applications. Mesh topology has every device connected to every other device but requires a large amount of cabling. Star topology has each device connected to a central hub, requiring less cabling than mesh. Bus topology uses a single backbone that devices connect to via taps. Ring topology passes signals in one direction between devices connected in a closed loop. Tree topology connects multiple star networks. A hybrid uses elements of different topologies under a single backbone. Factors like cost, cable needs, growth and cable type should be considered when choosing a topology
The document discusses various network architectures including Token Ring, Ethernet, FDDI, AppleTalk, ARCNET, and MAN systems. Token Ring uses a logical ring topology and token passing for data transfer. It has advantages like no data collisions but disadvantages if links are malfunctioning. Ethernet uses CSMA/CD and can use any physical topology. FDDI provides high performance over fiber optic cables in a token ring architecture. AppleTalk was an early client-server system for Macintosh. ARCNET uses token passing over coaxial cable and supports up to 255 nodes. MAN connects different LANs over large distances.
This document discusses network architecture and provides details on:
- The four basic types of network topologies: point-to-point, bus, star, and ring.
- The seven layer OSI model and what each layer is responsible for in network communication.
- A comparison between the OSI model and the TCP/IP model, explaining their different approaches to network architecture and protocols.
This document provides an overview of computer networks and the Internet. It defines a computer network as a collection of connected computing devices that share resources. The main advantages are sharing devices and files, communication capabilities, and centralized data backup. Challenges include high setup costs and risk of viruses or hacking. It describes common network models like client-server, and different types of networks by transmission range. The Internet is defined as a global network of networks using TCP/IP that links billions of devices worldwide. Key components that enable the Internet include backbone networks, ISPs, packet switching, and TCP and IP protocols.
A computer network connects multiple devices together to share resources and information. There are different types of networks including LANs, WANs, MANs, PANs, and VPNs. Network topology describes how devices are physically connected, with common topologies being bus, star, ring, mesh, and tree. Key networking hardware includes network interface cards, hubs, switches, bridges, and routers. Networks are measured based on latency, data transfer rate, bandwidth, and other performance parameters. Ethernet is a common standard used to connect devices via cables or wirelessly. IP addresses identify devices on the Internet or private networks.
Peer-to-peer (P2P) networks are a type of computer network architecture where individuals form a loose group to share resources directly with others in the group without a centralized server. There are two main types of P2P network structures - unstructured and structured. Unstructured networks do not use algorithms to organize the network, while structured networks use algorithms to optimize routing. Popular applications of P2P networking include file sharing, media streaming, grid computing, instant messaging, and voice over internet protocol.
This document provides an overview of basic local area network (LAN) concepts including definitions, hardware, media, and sample implementations. It defines a LAN as a group of computers and devices sharing resources within a small geographic area. Common LAN hardware includes hubs, switches, bridges, and routers which connect devices and segment traffic at different OSI model layers. Wired media include twisted pair, coaxial, and fiber optic cables while common wireless technologies are Wi-Fi and WiMax. Sample configurations show home and business LAN setups connecting devices via these components.
The document provides an overview of basic networking hardware and concepts. It defines a local area network (LAN) and discusses common LAN topologies like bus, star, and ring. It also describes common networking hardware such as hubs, switches, bridges, routers, and network interface cards. The document outlines different network media including copper, fiber optic, and wireless technologies. It provides examples of how home and business networks can be implemented using these concepts and technologies.
The document discusses different network topologies including mesh, star, bus, ring, tree, and hybrid topologies. For each topology, it describes the logical layout, advantages, disadvantages, and examples of applications. Mesh topology has every device connected to every other device but requires a large amount of cabling. Star topology has each device connected to a central hub, requiring less cabling than mesh. Bus topology uses a single backbone that devices connect to via taps. Ring topology passes signals in one direction between devices connected in a closed loop. Tree topology connects multiple star networks. A hybrid uses elements of different topologies under a single backbone. Factors like cost, cable needs, growth and cable type should be considered when choosing a topology
Network components include nodes, links, clients, servers, and other devices that connect and allow communication between systems. Key components discussed include network interface cards, hubs, bridges, routers, switches, gateways, and wireless devices. Various media are used to physically transmit data between nodes on a network.
Network architecture defines the design of a communications network, including its physical components and their organization, operational principles, and data formats. There are two main network architectures: the OSI reference model and the TCP/IP model. The OSI model has seven layers - physical, data link, network, transport, session, presentation, and application - with each layer performing a distinct function in sending data across a network in a standardized way.
This document provides an overview of computer networks and data communications. It discusses trends driving changes in network requirements, common network types including LANs and WANs, and technologies like circuit switching, packet switching, and frame relay. It also compares the OSI reference model to the TCP/IP model and summarizes key functions of each layer, including physical, data link, network, and transport layers.
This document provides an introduction to computer networking concepts. It defines what a network is and discusses why networking is important. It also covers network classifications including LAN, WAN, MAN, peer-to-peer, client-server, and intranet/internet. Additionally, it describes common network topologies such as bus, star, ring, and mesh and discusses their advantages and disadvantages.
The document discusses different network topologies. It defines network and network topology, and lists common topologies including star, bus, and ring. For each topology, it describes the basic structure and provides advantages and disadvantages. The star topology connects all devices to a central hub, and advantages are easy installation and fault detection, while a single hub failure disables the network. The bus topology uses a main backbone cable to connect all devices, and advantages are easy connection and less cable, but a cable break shuts down the whole network. The ring topology connects each device directly to the next to form a circular path, and advantages are low cost and easy installation, but removing a device breaks the ring for all devices.
This document discusses network architecture and design. It covers component architectures, addressing and routing architectures, network management architecture, performance architecture, and security architecture. Some key points include:
- Component architecture describes how network functions are applied using hardware and software mechanisms.
- Addressing involves applying identifiers to network devices, while routing learns connectivity and forwards packets. Common addressing mechanisms include subnetting, super-netting, dynamic addressing, and private/public addressing.
- Network management architecture provides functions for controlling, planning, and monitoring network resources using mechanisms like monitoring, instrumentation, and configuration.
- Performance architecture allocates network resources to users and applications using mechanisms like quality of service, resource control, service level agreements, and policies.
1) Peer-to-peer protocols allow for the transfer of data between layers, with lower layers exchanging protocol data units to transfer service data units to the destination layer.
2) Service models for peer-to-peer protocols can be either connection-oriented, requiring connection establishment, or connectionless, simply sending data units independently.
3) Reliability and sequencing of data transfer can be provided through error detection and retransmission protocols.
This document provides an overview of various computer networking concepts and components. It begins with definitions of networking basics like communications and telecommunications. It then describes the essential parts of a basic network including a message, transmitter, medium, receiver and destination. The document outlines different network topologies like bus, ring, star, star-bus and mesh. It also discusses network types like peer-to-peer and client-server networks. The document provides details on common networking media and components including coaxial cable, twisted pair cables, optical fibers, wireless transmission, hubs, gateways, routers, bridges and switches. It concludes with a brief introduction to the IEEE 802 family of standards related to local and metropolitan area networks.
This document provides an overview of networking concepts including:
- Network classifications based on range and coverage such as personal area networks, local area networks, and wide area networks.
- Internet data transfer models including TCP/IP and OSI models.
- Network protocols including DNS, IPv4, IPv6, TCP, and UDP.
- Web servers and server operating systems used in data centers.
This document provides an introduction to computer networks. It defines a computer network as two or more interconnected computers that allow sharing of resources. Computer networks enable communication and collaboration between individuals and organizations. They allow users to share hardware, software, data and perform centralized administration. Networks can be classified based on their scope, ownership, topology, transmission medium, connection management and transmission technology. Key network components include hardware like computers, cables and devices, as well as software like operating systems, applications, protocols and standards.
The document discusses peer-to-peer (P2P) networking. It defines P2P networking as allowing computers and software to function without special servers by directly connecting to other peers. It then discusses the history and basic concepts of P2P, including definitions, overlay networks, typical problems faced, and some popular P2P applications like file sharing using Napster, Gnutella, Kazaa, and BitTorrent. It also briefly discusses P2P for voice over IP using Skype and efforts to implement P2P on mobile devices.
Introduction to computer networks ppt downloadzanetorserwaah
This presentation provides an introduction to computer networks. It discusses the definition of a computer network and reasons for networking computers, including sharing information, hardware, software, and centralized administration. It covers different types of networks based on transmission media, size, management method, and topology. Specific topics covered include LANs and WANs, peer-to-peer and client/server networks, common network topologies, transmission media, protocols, network operating systems, and a brief history of the Internet.
This document provides instructions for a homework assignment to play the card game FreeCell. Students are assigned a specific game number based on the last two digits of their student ID plus 1000. The document lists out the step-by-step moves required to solve game number 617 as an example. Students must print out each move taken to solve their assigned FreeCell game and turn in the solution.
The document discusses peer-to-peer (P2P) networks and summarizes key information about several popular P2P file sharing protocols and systems, including Napster, Gnutella, KaZaA, and BitTorrent. It describes the basic architectures of centralized, flooded/decentralized, and hybrid approaches. Case studies provide more details on the technologies, protocols, messages structures, and how each system locates and shares content between peers.
The document defines and compares different types of computer networks and network topologies. It defines local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs), and discusses their key differences in size and geographic reach. It also outlines three common network topologies - bus, ring, and star - and compares their structures and properties such as ease of adding/removing nodes and handling failures.
The document compares peer-to-peer and client-server networks. In peer-to-peer networks, all computers share equal responsibility for processing data, while in client-server networks certain devices serve data and others act as clients. Peer-to-peer networks are commonly used for home networks and allow easy sharing of files and printers between devices. However, peer-to-peer networks can slow performance and lack centralized backup and security. Client-server networks have more advanced security, centralized data storage, and mature technologies, but if the server crashes all connected devices cannot access resources.
Network components include nodes, links, clients, servers, and other devices that connect and allow communication between systems. Key components discussed include network interface cards, hubs, bridges, routers, switches, gateways, and wireless devices. Various media are used to physically transmit data between nodes on a network.
Network architecture defines the design of a communications network, including its physical components and their organization, operational principles, and data formats. There are two main network architectures: the OSI reference model and the TCP/IP model. The OSI model has seven layers - physical, data link, network, transport, session, presentation, and application - with each layer performing a distinct function in sending data across a network in a standardized way.
This document provides an overview of computer networks and data communications. It discusses trends driving changes in network requirements, common network types including LANs and WANs, and technologies like circuit switching, packet switching, and frame relay. It also compares the OSI reference model to the TCP/IP model and summarizes key functions of each layer, including physical, data link, network, and transport layers.
This document provides an introduction to computer networking concepts. It defines what a network is and discusses why networking is important. It also covers network classifications including LAN, WAN, MAN, peer-to-peer, client-server, and intranet/internet. Additionally, it describes common network topologies such as bus, star, ring, and mesh and discusses their advantages and disadvantages.
The document discusses different network topologies. It defines network and network topology, and lists common topologies including star, bus, and ring. For each topology, it describes the basic structure and provides advantages and disadvantages. The star topology connects all devices to a central hub, and advantages are easy installation and fault detection, while a single hub failure disables the network. The bus topology uses a main backbone cable to connect all devices, and advantages are easy connection and less cable, but a cable break shuts down the whole network. The ring topology connects each device directly to the next to form a circular path, and advantages are low cost and easy installation, but removing a device breaks the ring for all devices.
This document discusses network architecture and design. It covers component architectures, addressing and routing architectures, network management architecture, performance architecture, and security architecture. Some key points include:
- Component architecture describes how network functions are applied using hardware and software mechanisms.
- Addressing involves applying identifiers to network devices, while routing learns connectivity and forwards packets. Common addressing mechanisms include subnetting, super-netting, dynamic addressing, and private/public addressing.
- Network management architecture provides functions for controlling, planning, and monitoring network resources using mechanisms like monitoring, instrumentation, and configuration.
- Performance architecture allocates network resources to users and applications using mechanisms like quality of service, resource control, service level agreements, and policies.
1) Peer-to-peer protocols allow for the transfer of data between layers, with lower layers exchanging protocol data units to transfer service data units to the destination layer.
2) Service models for peer-to-peer protocols can be either connection-oriented, requiring connection establishment, or connectionless, simply sending data units independently.
3) Reliability and sequencing of data transfer can be provided through error detection and retransmission protocols.
This document provides an overview of various computer networking concepts and components. It begins with definitions of networking basics like communications and telecommunications. It then describes the essential parts of a basic network including a message, transmitter, medium, receiver and destination. The document outlines different network topologies like bus, ring, star, star-bus and mesh. It also discusses network types like peer-to-peer and client-server networks. The document provides details on common networking media and components including coaxial cable, twisted pair cables, optical fibers, wireless transmission, hubs, gateways, routers, bridges and switches. It concludes with a brief introduction to the IEEE 802 family of standards related to local and metropolitan area networks.
This document provides an overview of networking concepts including:
- Network classifications based on range and coverage such as personal area networks, local area networks, and wide area networks.
- Internet data transfer models including TCP/IP and OSI models.
- Network protocols including DNS, IPv4, IPv6, TCP, and UDP.
- Web servers and server operating systems used in data centers.
This document provides an introduction to computer networks. It defines a computer network as two or more interconnected computers that allow sharing of resources. Computer networks enable communication and collaboration between individuals and organizations. They allow users to share hardware, software, data and perform centralized administration. Networks can be classified based on their scope, ownership, topology, transmission medium, connection management and transmission technology. Key network components include hardware like computers, cables and devices, as well as software like operating systems, applications, protocols and standards.
The document discusses peer-to-peer (P2P) networking. It defines P2P networking as allowing computers and software to function without special servers by directly connecting to other peers. It then discusses the history and basic concepts of P2P, including definitions, overlay networks, typical problems faced, and some popular P2P applications like file sharing using Napster, Gnutella, Kazaa, and BitTorrent. It also briefly discusses P2P for voice over IP using Skype and efforts to implement P2P on mobile devices.
Introduction to computer networks ppt downloadzanetorserwaah
This presentation provides an introduction to computer networks. It discusses the definition of a computer network and reasons for networking computers, including sharing information, hardware, software, and centralized administration. It covers different types of networks based on transmission media, size, management method, and topology. Specific topics covered include LANs and WANs, peer-to-peer and client/server networks, common network topologies, transmission media, protocols, network operating systems, and a brief history of the Internet.
This document provides instructions for a homework assignment to play the card game FreeCell. Students are assigned a specific game number based on the last two digits of their student ID plus 1000. The document lists out the step-by-step moves required to solve game number 617 as an example. Students must print out each move taken to solve their assigned FreeCell game and turn in the solution.
The document discusses peer-to-peer (P2P) networks and summarizes key information about several popular P2P file sharing protocols and systems, including Napster, Gnutella, KaZaA, and BitTorrent. It describes the basic architectures of centralized, flooded/decentralized, and hybrid approaches. Case studies provide more details on the technologies, protocols, messages structures, and how each system locates and shares content between peers.
The document defines and compares different types of computer networks and network topologies. It defines local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs), and discusses their key differences in size and geographic reach. It also outlines three common network topologies - bus, ring, and star - and compares their structures and properties such as ease of adding/removing nodes and handling failures.
The document compares peer-to-peer and client-server networks. In peer-to-peer networks, all computers share equal responsibility for processing data, while in client-server networks certain devices serve data and others act as clients. Peer-to-peer networks are commonly used for home networks and allow easy sharing of files and printers between devices. However, peer-to-peer networks can slow performance and lack centralized backup and security. Client-server networks have more advanced security, centralized data storage, and mature technologies, but if the server crashes all connected devices cannot access resources.
Presentation from SIEPON Seminar on 20 April in Czech Republic, sponsored by IEEE-SA & CAG. Opinions presented by the speakers in this presentation are their own, and not necessarily those of their employers or of IEEE.
The document discusses the evolution of Ethernet networking standards over time. It describes how IEEE Project 802 was started in 1985 to set standards for interconnecting equipment from different manufacturers. It then provides details on the original Standard Ethernet created in 1976 and its subsequent generations. The document also outlines changes to Standard Ethernet like bridging and switching. It discusses the Fast Ethernet and Gigabit Ethernet standards that succeeded Standard Ethernet by providing higher data rates of 100 Mbps and 1000 Mbps respectively.
This document discusses networking hardware concepts and components. It describes common networking topologies like star, bus, ring and mesh. It also covers common networking standards for wired connections like Ethernet, Token Ring and FDDI as well as wireless standards like 802.11a, 802.11b, and 802.11g. Finally, it discusses the hardware components needed to create both wired and wireless networks, including hubs, switches, routers and network interface cards.
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.
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.
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.
This document provides an overview of Ethernet in a presentation for a computer networks class. It begins with an introduction to Ethernet and network topologies. The technology section discusses Ethernet standards, frame formats, and cable types. Devices covered include switches, routers, and the differences between them. Applications like firewalls and IP spoofing are also mentioned. The summary reiterates the key topics discussed, including the introduction of Ethernet, technologies and devices, and applications. It also outlines the future of Ethernet, such as vehicular uses and standardizing software-defined networking.
RAID (Redundant Array of Independent Disks) distributes data across multiple disks to improve performance and provide redundancy. The common characteristics of RAID levels are that multiple physical disks act as a single logical disk, data is distributed across disks, and redundant parity information is used to recover data if a disk fails. RAID level 0 stripes data without parity for increased speed but no fault tolerance, while RAID level 1 uses mirroring to provide redundancy by writing all data to two disks.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms for those who already suffer from conditions like anxiety and depression.
The document discusses IEEE standards for local area networks (LANs) including Ethernet LANs, Token Ring LANs, and wireless LANs. It describes the IEEE 802 standards family, common LAN topologies and cabling, how CSMA/CD and token protocols work, and comparisons of Ethernet and Token Ring technologies. It also outlines wireless LAN specifications including 802.11, 802.11a, 802.11b, and 802.11g.
A network interface card (NIC) allows computers to connect to a local area network (LAN). The NIC acts as the interface between the computer and the network, handling data transmission and reception. NICs are available for both wired and wireless network connections, with Ethernet and WiFi being common interface standards. The NIC contains a unique MAC address that identifies it on the network and helps direct traffic between connected devices.
The document discusses different types of computer network topologies. It defines network topology as the physical configuration of cables, computers, and other devices on a network. The key network topologies covered are bus, ring, star, and mesh. Advantages and disadvantages of each topology are summarized.
The document discusses Internet, Intranet, and Extranet. It defines Internet as a global network of computers that exchange information publicly. Intranet is a private network within an organization that uses the same protocols as the Internet but is only accessible to authorized users like employees. Extranet extends an organization's intranet to allow access to selected external users like suppliers or customers. Key benefits of intranets include improved productivity, communication and cost effectiveness for organizations.
The document summarizes key concepts in internetworking including protocol layering, encapsulation, and different types of network devices like hubs, bridges, and routers. It describes how the Internet Protocol (IP) allows interconnection of different networks by providing a global addressing scheme and best-effort delivery of packets between hosts.
The document summarizes key concepts in internetworking including protocol layering, encapsulation, and different types of network devices like hubs, bridges, and routers. It describes how the Internet Protocol (IP) allows interconnection of different networks by providing a global addressing scheme and best-effort delivery of packets across interconnected networks.
The document discusses various types of network hardware including:
- Local networking hardware such as network interface cards, cables, connectors, hubs, switches, servers, and workstations.
- Internetworking hardware such as line drivers, transceivers, bridges, switches, routers, and gateways.
Current internetworking devices are mostly confined to switches and routers. The document also examines network interface cards in detail, describing their specifications and evolution over time from older cards to current gigabit Ethernet cards.
The document discusses various types of network hardware including:
- Local networking hardware such as network interface cards, cables, connectors, hubs, switches, servers, and workstations.
- Internetworking hardware such as line drivers, transceivers, bridges, switches, routers, and gateways.
Current internetworking devices are mostly confined to switches and routers. The document also examines networking interface cards in detail, describing their specifications and evolution over time from older technologies like Token Ring and 10BaseT to current Gigabit Ethernet standards.
The document discusses various types of network hardware including local networking hardware like network interface cards (NICs), cables, connectors, hubs, switches, servers and workstations. It also discusses internetworking hardware like line drivers, transceivers, bridges, switches, routers and gateways. It describes the characteristics of different NICs such as their speed, connector type, and bus technology. It also examines concepts like IRQ, I/O address, base memory address, and DMA used for resource allocation on NICs. Finally, it discusses network connectors and different types of hubs.
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This document provides an overview of basic computer networks. It discusses LANs and their advantages such as simple and inexpensive connections. It describes common LAN topologies like bus, star, and ring configurations. Components of LANs such as hubs, switches, routers and their functions are explained. The document also covers wireless LANs, Wi-Fi standards, and wireless networking components including access points. Common network protocols like IP addressing, DHCP, DNS are summarized. Methods for configuring networks in Windows and connecting wireless devices are outlined.
The document provides an overview of computer networking basics, including definitions of common networking terms like Ethernet, switches, routers, and IP addresses. It also describes typical home networking setups and configurations, such as connecting multiple computers to a router, setting up a wireless network, and sharing folders and printers on the local network. Basic network troubleshooting and security options are also covered.
The Cisco Nexus 5696Q is a high-density, wire-rate, Layer 2 and Layer 3 switch that offers 10, 40, and 100 Gigabit Ethernet ports and support for Virtual Extensible LAN (VXLAN). It provides modular expansion slots for scalability and facilitates high scalability, operational efficiency, and design flexibility for traditional, virtualized, and cloud environments. The switch has a 7.68 Tbps bandwidth and supports up to 256,000 MAC addresses, 4096 VLANs, 4000 ACL entries, and more. It uses standard networking protocols and provides power, cooling, management, and security features.
In This PPT we are discussed about complete details of that product (Use,Operation, Technical details, Dimensions, Wiring, and etc..)
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The document discusses network technologies and concepts. It covers topics like network layers, IP addressing, routing, and protocols. It provides an overview of common network standards and technologies used in both home and enterprise networks, such as Ethernet, switches, WiFi, and IP routing.
LAN technologies allow computers to communicate over a shared medium. They use hardware addressing and MAC addresses to allow direct communication between any two hosts. Network interface cards connect computers to the physical network and use MAC addresses to identify devices. Common LAN technologies include Ethernet, Fast Ethernet, Gigabit Ethernet, and Wi-Fi, which use CSMA/CD protocols and packet framing to share the transmission medium.
The document provides an overview of pfSense, an open source firewall and routing platform based on FreeBSD. It discusses the history and evolution of pfSense, hardware requirements, common deployment scenarios, and key features such as firewall rules, NAT, VPNs, traffic shaping, wireless access points, and high availability using CARP. The document also advertises a live demo of pfSense installation and configuration.
The document provides an overview of pfSense, an open source firewall and routing platform based on FreeBSD. It discusses the history and evolution of pfSense, hardware requirements, common deployment scenarios, and key features such as firewall rules, NAT, VPNs, traffic shaping, wireless access points, and high availability using CARP. The document also advertises a live demo of pfSense installation and configuration.
The document provides an overview of pfSense, an open source firewall and routing platform based on FreeBSD. It discusses the history and evolution of pfSense, hardware requirements, common deployment scenarios, and key features such as firewall rules, NAT, VPNs, traffic shaping, wireless access points, and high availability using CARP. The document also advertises a live demo of pfSense installation and configuration.
A local area network (LAN) uses wired connections to connect devices within a limited geographic area like a building or campus. Ethernet became the dominant wired LAN technology using carrier sense multiple access with collision detection (CSMA/CD) to regulate shared access to the transmission medium. Ethernet has evolved from 10 Mbps to 100 Mbps to 1 Gbps standards to meet increasing bandwidth demands. Key components of wired LANs include network adapters, cabling, connectors, switches/hubs, and software protocols. Other historical wired LAN technologies like Token Ring and Token Bus used token passing for medium access but have been largely replaced by Ethernet.
GMNS will design and implement a computer network for First Bourne Tax Services including installing hardware such as servers, switches, routers, firewalls, and access points. The network will utilize virtualization and cloud services including containers for functions like DHCP, DNS, file sharing, and security cameras. Hardware specifications are provided for the EMC storage servers and considerations for storage configuration, RAID levels, and calculating disk IOPS.
This document provides information on various networking hardware components including file servers, workstations, network interface cards, switches, repeaters, bridges, and routers. It describes the purpose and key characteristics of each component. File servers are high-performance computers that control information sharing across a network. Workstations are user computers connected to the network. Network interface cards provide the physical connection between computers and the network. Switches and repeaters help extend network reach. Bridges segment large networks while routers translate between different networks and select optimal paths.
cFrame is an open source automated platform for mobile network performance testing in both real and simulated RF environments. It provides distributed test bed automation allowing for reuse of existing hardware and software resources. The document outlines cFrame's features, test configurations, integration with tools like iPerf, and provides examples of automated test scripts and sample test plans.
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2. Understanding how this integration enhances test automation within the UiPath platform
3. Practical demonstrations
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5th Power Grid Model Meet-up
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Power Grid Model
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2. 2
Types of Computer NetworksTypes of Computer Networks
► Mainframe/TerminalMainframe/Terminal
1960’s/70’s technology1960’s/70’s technology
Computation centralizedComputation centralized
► Server/ClientServer/Client
1980s technology1980s technology
Computation distributed with a central point of data storageComputation distributed with a central point of data storage
Large installationsLarge installations
► Peer to PeerPeer to Peer
1990’s technology1990’s technology
Primarily for file sharing between computersPrimarily for file sharing between computers
Limited to 10 computers (Microsoft limitation)Limited to 10 computers (Microsoft limitation)
4. 4
Communication SystemsCommunication Systems
► EthernetEthernet
Open network system (most popular)Open network system (most popular)
Low hardware costsLow hardware costs
► Token RingToken Ring
Closed network system - IBMClosed network system - IBM
Limited to 4 Mbs or 16 Mbs (cable dependent)Limited to 4 Mbs or 16 Mbs (cable dependent)
► ARCnetARCnet
Obsolete systemObsolete system
Limited to 15 MbsLimited to 15 Mbs
6. 6
Communication Systems (conti.)Communication Systems (conti.)
► AppleTalkAppleTalk
Closed network system - Apple ComputerClosed network system - Apple Computer
Used primarily for their printer sharingUsed primarily for their printer sharing
► StarLanStarLan
Closed network systemClosed network system
► HPNAHPNA
Phoneline network systemPhoneline network system
► Power LinePower Line
► OthersOthers
7. 7
Ethernet Cable SystemsEthernet Cable Systems
► ThinNet (10Base2)ThinNet (10Base2)
Coaxial cable (bus topology)Coaxial cable (bus topology)
Half duplex communicationHalf duplex communication
Limited to 10 MbsLimited to 10 Mbs
Limited to 900 foot total lengthLimited to 900 foot total length
Limited installation flexibilityLimited installation flexibility
Rapidly becoming obsoleteRapidly becoming obsolete
8. 8
Ethernet Systems (conti.)Ethernet Systems (conti.)
►Unshielded Twisted Pair (UTP)Unshielded Twisted Pair (UTP)
Half or Full Duplex [10/100/1000BaseT(x)]Half or Full Duplex [10/100/1000BaseT(x)]
Speed is depended on the cable typeSpeed is depended on the cable type
Cable TypesCable Types
►Cat-1 – Telephone (voice)Cat-1 – Telephone (voice)
►Cat-2 – 4 Mbs (Token Ring)Cat-2 – 4 Mbs (Token Ring)
►Cat-3 – 10 Mbs (Ethernet) – 300 foot max. lengthCat-3 – 10 Mbs (Ethernet) – 300 foot max. length
►Cat-4 – 20 Mbs (Token Ring)Cat-4 – 20 Mbs (Token Ring)
►Cat-5 – 100 Mbs (Ethernet) – 300 foot max. lengthCat-5 – 100 Mbs (Ethernet) – 300 foot max. length
►Cat-6 – 250 Mbs (Ethernet) – 300 foot max. lengthCat-6 – 250 Mbs (Ethernet) – 300 foot max. length
9. 9
Ethernet Systems (conti.)Ethernet Systems (conti.)
►Fiber Optic (FDDI)Fiber Optic (FDDI)
1000 Mbs (Ethernet limitation)1000 Mbs (Ethernet limitation)
Same cable can share other transmissionSame cable can share other transmission
protocols (i.e. ATM, etc.) at the same timeprotocols (i.e. ATM, etc.) at the same time
Length limitation – miles (depended onLength limitation – miles (depended on
hardware)hardware)
Used extensively to connect server farmsUsed extensively to connect server farms
togethertogether
10. 10
Ethernet Systems (conti.)Ethernet Systems (conti.)
►WirelessWireless
IEEE 802.11.aIEEE 802.11.a
►5.4 MHz – 54 Mbs – 100 foot line of sight5.4 MHz – 54 Mbs – 100 foot line of sight
IEEE 802.11.bIEEE 802.11.b
►2.4 MHz – 11 Mbs – 300 foot line of sight2.4 MHz – 11 Mbs – 300 foot line of sight
IEEE 802.11.gIEEE 802.11.g
►2.4 MHz – 54 Mbs – 300 foot line of sight2.4 MHz – 54 Mbs – 300 foot line of sight
IEEE 802.11.gxIEEE 802.11.gx
►2.4 MHz – 108 Mbs – 300 foot line of sight2.4 MHz – 108 Mbs – 300 foot line of sight
11. 11
Hardware RequirementsHardware Requirements
►Network Interface Card (NIC)Network Interface Card (NIC)
Each computer must have one, either anEach computer must have one, either an
installed or built onto the motherboardinstalled or built onto the motherboard
It can be either wired or wirelessIt can be either wired or wireless
Must be compatible with cable systemMust be compatible with cable system
I recommend 100BaseT(x) for wired systemsI recommend 100BaseT(x) for wired systems
Cost (wired) ≈ $10.00 eachCost (wired) ≈ $10.00 each
Cost (wireless) ≈ $60.00 eachCost (wireless) ≈ $60.00 each
12. 12
Hardware Requirements (conti.)Hardware Requirements (conti.)
►Hub/Switch/Router/Wireless Access PointHub/Switch/Router/Wireless Access Point
For connecting two computers together – noneFor connecting two computers together – none
is needed, but a “cross over” type cable isis needed, but a “cross over” type cable is
requiredrequired
For networking several computers togetherFor networking several computers together
(Peer to Peer) with(Peer to Peer) with nono Internet connection –Internet connection –
either a Hub/Switch/Wireless AP is neededeither a Hub/Switch/Wireless AP is needed
For networking several computers to aFor networking several computers to a
broadband connection (DSL/Cable) – a Routerbroadband connection (DSL/Cable) – a Router
is neededis needed
13. 13
Hardware Requirements (conti.)Hardware Requirements (conti.)
Hub/Switch/Router costsHub/Switch/Router costs
►Hub ≈ $10.00 - depended on number of portsHub ≈ $10.00 - depended on number of ports
►Switch ≈ $20.00 - depended on number ofSwitch ≈ $20.00 - depended on number of
portsports
►Router (wired) ≈ $40.00 - depended onRouter (wired) ≈ $40.00 - depended on
number of portsnumber of ports
►Router (wireless 802.11.b) ≈ $50.00Router (wireless 802.11.b) ≈ $50.00
►Router (wireless 802.11.g/gx) ≈ $60.00Router (wireless 802.11.g/gx) ≈ $60.00
16. 16
Transmission ProtocolsTransmission Protocols
►TCP/IPTCP/IP
Internet standard also used by Unix (Linux) andInternet standard also used by Unix (Linux) and
Windows 2000 & XPWindows 2000 & XP
►NetBEUINetBEUI
Used in peer to peer networksUsed in peer to peer networks
With the introduction of Windows XP - no longerWith the introduction of Windows XP - no longer
supported by Microsoftsupported by Microsoft
►IPX/SPXIPX/SPX
Used in legacy Novell systemsUsed in legacy Novell systems
17. 17
Transmission Protocols (conti.)Transmission Protocols (conti.)
►Other systemsOther systems
PPP – Dial up modem (POT)PPP – Dial up modem (POT)
PPPoE – Broadband (DSL & TV Cable)PPPoE – Broadband (DSL & TV Cable)
PPTP – Virtual Private NetworksPPTP – Virtual Private Networks
UPnP – Special devices (printer servers,UPnP – Special devices (printer servers,
household appliances, etc.)household appliances, etc.)
AppleTalk - Used primarily for printer sharingAppleTalk - Used primarily for printer sharing
DLC – IBM mainframe/terminalDLC – IBM mainframe/terminal
ATM – Teleco network interconnectionsATM – Teleco network interconnections
18. 18
Software RequirementsSoftware Requirements
(Peer to Peer network)(Peer to Peer network)
►DOS & Windows 3.1 systemsDOS & Windows 3.1 systems
Third party software is required (Lantastic, etc.)Third party software is required (Lantastic, etc.)
►Windows 3.11 & 95 systemsWindows 3.11 & 95 systems
Third party software is required (Lantastic, etc.)Third party software is required (Lantastic, etc.)
►Windows 95(OSR) & 98(x) systemsWindows 95(OSR) & 98(x) systems
Included in operating systemIncluded in operating system
►Windows 2000 & XP systemsWindows 2000 & XP systems
Included in operating systemIncluded in operating system
19. 19
Hardware InstallationHardware Installation
►Desktop ComputersDesktop Computers
Install NIC card in computer (if needed)Install NIC card in computer (if needed)
► Be sure to unplug the power cordBe sure to unplug the power cord
► Remove case coverRemove case cover
► Install NIC card in an available slotInstall NIC card in an available slot
► Replace case coverReplace case cover
►Laptop computersLaptop computers
Some Laptop computers have a NIC built into them; if not, insert aSome Laptop computers have a NIC built into them; if not, insert a
NIC PCMCA card into the PCMCA slot and reboot the computerNIC PCMCA card into the PCMCA slot and reboot the computer
20. 20
Hardware Installation (Conti.)Hardware Installation (Conti.)
►Driver InstallationDriver Installation
Run the software that came with the NIC cardRun the software that came with the NIC card
If no software came with the NIC card, do:If no software came with the NIC card, do:
►Click right mouse button on “My Computer”Click right mouse button on “My Computer”
►Click left mouse button on “Properties”Click left mouse button on “Properties”
►Windows 98(x) – click left mouse button on “DeviceWindows 98(x) – click left mouse button on “Device
Manager”Manager”
►Windows 2000 & XP – click left mouse button onWindows 2000 & XP – click left mouse button on
“Hardware” & click left mouse button on “Device“Hardware” & click left mouse button on “Device
Manager”Manager”
21. 21
Hardware Installation (Conti.)Hardware Installation (Conti.)
►Driver Installation (conti.)Driver Installation (conti.)
►Run the “Add Hardware Manager Wizard”Run the “Add Hardware Manager Wizard”
►Or manually install the device driverOr manually install the device driver
Verify in the “Device Manager” that the driver isVerify in the “Device Manager” that the driver is
installed properly and enabledinstalled properly and enabled
►There should beThere should be nono yellow “explanation marks” (yellow “explanation marks” (!!) on) on
any of the devicesany of the devices
►Look in the properties of the device, it will tell you ifLook in the properties of the device, it will tell you if
the device is enabledthe device is enabled
22. 22
Connection Software (Services)Connection Software (Services)
► Internet Connection (Broadband)Internet Connection (Broadband)
Windows 98(x) systemsWindows 98(x) systems
► In “Settings” > “Control Panel” > “Network” verify thatIn “Settings” > “Control Panel” > “Network” verify that
the following are installed and install if missing:the following are installed and install if missing:
Client for Microsoft NetworksClient for Microsoft Networks
Microsoft Family LogonMicrosoft Family Logon
File and printer sharing for Microsoft NetworksFile and printer sharing for Microsoft Networks
NETBEUI -> Dial up AdapterNETBEUI -> Dial up Adapter
NETBEUI -> NIC adapterNETBEUI -> NIC adapter
TCP/IP -> Dial up AdapterTCP/IP -> Dial up Adapter
TCP/IP -> NIC adapterTCP/IP -> NIC adapter
► Select “Microsoft Family Logon” as Primary NetworkSelect “Microsoft Family Logon” as Primary Network
LogonLogon
► In “File and Print Sharing” tab check the appropriateIn “File and Print Sharing” tab check the appropriate
boxesboxes
23. 23
Connection Software (Services)Connection Software (Services)
► Internet Connection (Broadband)Internet Connection (Broadband)
Windows 2000 & XP systemsWindows 2000 & XP systems
► If you decide to convert all of your computers on yourIf you decide to convert all of your computers on your
LAN to Microsoft’s new standard (NETBIOS overLAN to Microsoft’s new standard (NETBIOS over
TCP/IP) do the following:TCP/IP) do the following:
In “My Network places” screen under “Network Tasks”In “My Network places” screen under “Network Tasks”
run the “Set up a small home or office networkrun the “Set up a small home or office network
Make a “Network Install” floppy disk and run it on yourMake a “Network Install” floppy disk and run it on your
other computersother computers
► If you decide to stay with Microsoft’s discontinuedIf you decide to stay with Microsoft’s discontinued
NETBEUI protocol find and install the NETBEUINETBEUI protocol find and install the NETBEUI
protocol in your “Local Network Connectionprotocol in your “Local Network Connection
Properties” panelProperties” panel
24. 24
Finding & Installing NetBEUIFinding & Installing NetBEUI
► On the Window XP installation CD-ROM in theOn the Window XP installation CD-ROM in the
“VALUEADDMSFTNETBEUI” folder“VALUEADDMSFTNETBEUI” folder
►1. Copy the “NBF.SYS” file to the hard disk’s1. Copy the “NBF.SYS” file to the hard disk’s
folder “WINDOWSSYSTEMSDRIVERS”folder “WINDOWSSYSTEMSDRIVERS”
►2. Copy the “NETNBF.INF” file to the hard2. Copy the “NETNBF.INF” file to the hard
disk’s folder “WINDOWSINF”disk’s folder “WINDOWSINF”
► In “Local Network Connection Properties” installIn “Local Network Connection Properties” install
the NetBEUI protocol for each NIC devicethe NetBEUI protocol for each NIC device
25. 25
Wireless Network SecurityWireless Network Security
►Reconfigure the router:Reconfigure the router:
Change the router name and passwordChange the router name and password
Rename the wireless network nameRename the wireless network name
Turn off SSID broadcastingTurn off SSID broadcasting
Setup MAC filters for only permitted wirelessSetup MAC filters for only permitted wireless
computerscomputers
Use encryption (WEP, WPA etc.)Use encryption (WEP, WPA etc.)
26. 26
How To Web SiteHow To Web Site
►My best known help web site is PC911My best known help web site is PC911
►http://pcnineoneone.com/howto/hmnetwk1.htmhttp://pcnineoneone.com/howto/hmnetwk1.htm
Good Luck and Happy NetworkingGood Luck and Happy Networking
James HugJames Hug