It involves the application of theories from different technological fields, like it, computer science and. Chapter 1 introduction using the internet seems pretty easy. Describe the functionality of lan, man, and wan networks. That is, one network can be connected to another network and become a more powerful tool because of the greater resources. Network devices hardware devices that are used to connect computers. Wan is typically a network of many lans, mans and wans. Modem installation and networking instructions introduction the following instructions cover connecting a phone line to an incoming phone source, installing a modem, and setting up a network of machines in one location. A computer network consists of a collection of computers, printers and other equipment. Advantages of networking types of networks models of networking appropriate to students ncte recommendation to students some relevant terms. Osi model in easiest way in hindiurdubhupinder rajput. Networking and ethernet basics including standard code, media, topographies, collisions and csmacd ethernet products including transceivers, network interface cards, hubs and repeaters types of networks in describing the basics of networking technology, it will be helpful to explain the different types of networks in use. It manages and controls the send and received data to and from the computers.
Home networking definition home networking is the collection of elements that process, manage, transport, and store information, enabling the connection and integration of multiple computing, control, monitoring, and communication devices in the home. Modem can be categorized in several ways like direction in which it can transmit data, type of connection to the transmission line, transmission. Basic of networking a computer network consists of a collection of computers, printers and other equipment that is connected together so that they can communicate with. Types of bridges three types of bridges are used in networks. A transparent bridge does nothing except block or forward data based on the mac address. It is a buzz word that is used for marketing purposes, to present new products. The internet is the largest computer network in the world, connecting millions of computers. This tutorial will explain the basics of some of the most popular technologies used in. How to share files and folders over a network in windows 10 file sharing over a network in windows 10 allows you to share files and folders on your computer with other users over a private or public network in your workgroup or domain. The remaining h bytes h 3,2,1 are used for the host machine. Even if you are new to networking, you have probably heard of routers. The internet is a worldwide collection of computer networks, cooperating. For more details on how to set up a network, following the different network models, you can sign up for this networking course. Introduction to wireless networks when you invent a new network.
A routers job isnt to provide internet connectivity though. Department of computer engineering, kasetsart university. A modem or broadband modem is a hardware device that connects a computer or router to a broadband network. Basic home network and internet components, devices and services. A virtual private network, or vpn, extends a private network into a public network, such as the internet. Wan or wide area network is spread over a country or many countries. Types of modems modems can be of several types and they can be categorized in a number of ways. Speed of modem is measured in bits per second and varies depending upon the type of modem. Introduction to software defined networking introduction. Transparent bridgederives its name from the fact that the devices on the network are unaware of its existence. Network security types, terms and definitions explained. A vpn is a network in which some parts of the network use the internet, but data is. Basic of networking a computer network consists of a collection of computers, printers and other.
Depending on direction of data transmission, modem can be of these types. You can share a modem, printers, storage space and dvd drives with the other computers on the network. Computer networking devices explained with function. Wans can be as simple as a modem and a remote access server for.
Other lan types include token ring, fast ethernet, fiber distributed data interface fddi, asynchronous transfer mode atm and localtalk. A modem modulates outgoing digital signals from a computer or other digital device to analog signals for a conventional copper twisted pair telephone line and demodulates the incoming analog signal and converts it to a digital signal for the digital device. Network devices may be internetwork or intranetwork. Very simply, the following picture provides a basic overview of a computer and the. The most common example of man is cable tv network.
Identify the possible media types for lan and wan connections. Modem installation and networking instructions introduction. If we imagine a group of 100 friends wanting to go to a game, then we can easily see that not all can. Topology topology is the structural design of communication model depicted physically or logically. An introduction 5 rather, the road transportation network is a better. Private addresses and public addresses class c vs class a addresses extension header vs base header distance vector vs link state routing interdomain vs intradomain routing universal vs multicast bit spanning tree vs isis ubr vs abr diffserv vs intserv. Hub is a connecting device in which various types of cables are connected to centralize network traffic through a single connecting point. Which means, it is not just one specific solution, technology or product. A modem converts data to a signal so it can be easily sent and received over a phone line, cable, or satellite connection. Modems modulator demodulator are used to connect network nodes via wire not originally designed for digital.
Introduction to computer network the term network means a group, chain or a collection of something that come together for the purpose of communication. Communicating between lans within an inter network requires routers which operate one layer above that of a switch at the network layer. This is the most basic wireless network configuration. The resources such as printers, file servers, scanners, and internet are easily sharable among computers.
In computers reference the same definition holds value but there is a slight change which is. Introduction to networking advantages of networking types of networks models of networking appropriate to students ncte recommendation to students some relevant terms. Consider a communication between two computers a and b. This is suited for larger networks where manual feeding may not be feasible due to. Introduction to computer network complete guide to. A modem is a hardware networking device that converts data to a signal so it can be easily sent and received over a phone line, cable. In this an introductory course, but contains a lot of information that can be directly applied to the ccna certification. Categorization is usually based on the following basic modem features. Contents or data in each frame is placed between start and stop bit. Primitive forms of data networks have a long history, including the smoke signals.
In similar way computer b can communicate with computer a. Networking refers to the total process of creating and using computer networks, with respect to hardware, protocols and software, including wired and wireless technology. In this tutorial we look at the various components that you need to create a computer network and. In terms of the osi reference model, the radio signal operates at the physical layer, and the data format controls several of the higher layers. Broadband internet connections, such as those utilizing a cable modem or a dsl modem, almost always require a router. If we have a collection of interconnected lans, this is called an inter network. Some modems offer dual ethernet and usb connection. Broadly speaking, there are two types of network configuration, peertopeer. Converted digital signals by the modem are sent to the computer b for processing. Ethernet is popular because it strikes a good balance between speed. An external modem connects to a serial port on the pc or ti and requires the use of a connecting cable between the pc or ti and modem, a power connection and of course a place to put the modem itself. Hub with multiple ports are used to connect topologies, segments of lan and to monitor network traffic.
It is a widely useful network for sharing resources like files, printers, games, and other application. The number 1, 3, 5 and so on refers to the revision of the specification and, in practical terms, to the number of twists inside the wire i. Ethernet modems that plug into the network card in the computer, and wireless modems that connect to a computer using a wireless lan wlan. Let us explore some of these devices in greater detail.
A personal area network, or pan, is a computer network organized around an individual person within a single building. These categories specify the type of copper wire most telephone and network wire is copper and jacks. What is a modem modem is abbreviation for modulator demodulator. This tutorial presents a collection of network security types, terms and definitions. Share files and folders over a network in windows 10. The most famous of inter networks is the internet with the rules for communication being.
Network devices may be inter network or intra network. Computer network components with computer network tutorial, introduction. Isdn bri cable pinouts are different than the pinouts for ethernet. In computer networks, computing devices exchange data with each other using connecti. Ethernet is the most popular physical layer lan technology in use today.
But there are interesting concepts that are emerging. The rj48 and rj45 look the same, but the pinouts are different. To connect a specific media type, we must have to use a nic which is particularly made for that type of media. A unique feature of the network model is its schema, which is viewed as a graph where relationship types are arcs and object types are nodes. Introducing basic network concepts 3 basetech networking concepts team 2230894 blind folio 3 figure 1. You can set the permissions of a shared file or folder to allow groups or users to have a read only, change modify, or full control access rights.
Data communication and computer network 4 lan provides a useful way of sharing the resources between end users. Depending on the type of network that we need to install, some network. Lans are composed of inexpensive networking and routing equipment. The nic controls both types of connections, so, whether you use an ethernet or wifi connection, you can use your computer for the same tasks regardless of the type of connection. Asynchronous modem uses start and stop bit for synchronization instead of clock. Program to remotely power on a pc over the internet using the wakeonlan protocol. Higher the speed, the faster you can send and receive data over the network. For transmission over an analog telephone linewhich was once the most popular way to access the internetthe modem converts data between analog and digital formats in real time for twoway network communication. This network security terminology collection will help you in learning the basic concepts of network security in computer network with possible security threats and solutions.
A computer network, or data network, is a digital telecommunications network which allows nodes to share resources. These types are not normally used on home networks due to the complexity and there being little need. At the end of this course, you will be able to confidently discuss networking topics. Voipk email web feed streaming wiki ominechat s ocja n e tw o r k in g social bookmarking podcast page 3 what is the internet. About 10 years ago, i decided to create a blog to share my experience in the form of cisco networking tutorials, configuration examples, guides, tips, industry news etc for both beginners and experts. The network structure includes the wireless network interface adapters and base stations that send and receive the radio signals. A l ocal a rea n etwork lan is a group of computer and peripheral devices which are connected in a limited area such as school, laboratory, home, and office building. The tdm bus is a collection of 64kbpstime slot and there is no networking protocol. There are two basic types of fiber optics, singlemode optical fiber smf and multimode optical fiber mmf. This tutorial explains the functions of the most common and the essential networking devices such as hub, switch, router, bridge, modem, nic, proxy and. A routers job is to move packets of data from one network to another. Network is set up using wired or wireless connections, depending on availability and reliability. Different types of the nics are used to connect the different types of media. These devices transfer data in a fast, secure and correct way over same or different networks.
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