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Computer Networking

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Parent Category: Computers
Computer networks are collections of computers which are connected together in order to communicate and transfer information. Questions about computer networks, networking protocols, and how to set them up belong here.
There are three possible ways of data communication among computers: 1) broadcasting - ONE computer to ALL computers 2) unicasting - ONE computer to ONE computer 3) multicasting - ONE computer to A GROUP of computeres as we discuss above that multicast means their is a group in a company and we …
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Yes, there are many benefits of hooking your TiVo DVR with your home computer or with your home network. However, to use your TiVo DVR with your home network, you�ll need to purchase a network adapter and have the TiVo Series2 DVR.The benefits of using TiVo with your home computer are:You don't ha…
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No, a home network is required to access your media files from your computer. Since you stream your files from your PC to your DVR, a network adapter is required for accessing your PC�s media files.
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When you get broadband cable or dsl you should be set up with a modem connected to your computer with an ethernet cable (similar to a phone cable). To make this wireless you need a wireless router (this connects the modem to the computers) and wireless cards (there are different kinds for desktops o…
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If you are using Red Hat 8 or more then install your Vega card and then boot into linux. Red Hat should automatically be able to configure it. If not then find out whether that Vega card is supported in the Linux that you are using. Also find out the driver of your Vega card for Linux .... from the …
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Well,you should shut your computer down.Then open aol.Then try to open your downloading thing.
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Just found this virus on my pc, formated my hard drive and reinstalled programs, of course this worked, but since then I have found a procedure that works (without formating) This virus is known as WIN-ETO HIGHJACK and sets itself up as your home page, no need to try and reset your home page as so…
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Yes your typical ADSL - Cable firewall with NAT can be configured to stop infections or attacks happening by allowing only certain ports open and others closed. Your firewall must be configured to block unneeded ports before you do NATing.
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An IR port is a port which sends and receives infrared signals from other devices. It is a wireless type port with a limited range of 5-10ft. You can buy it as a USB device or you can buy it as an add-on to your motherboard. I have one that communicates with my palm pilot so I don't have to dock it …
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There are 3 types of modems, their is the Cable ModemDSL ModemDial Up Modem (inside older computers)
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software which serves in server side is Web-server. In technical sense, A Web server is a program that, using the client/server model and the World Wide Web's Hypertext Transfer Protocol ( HTTP ), serves the files that form Web pages to Web users (whose computers contain HTTP clients that forward th…
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PROTOCOL : Is a set of "RULES" and "REGULATIONS" for seding and receiving Information on the NETWORK, by using the standard protocols.TCP/IP.imran quadri.  Answer--A protocol is a set of rules or agreed upon guidelines for communication. When communicating, it is important to agree on how to …
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Straightforward and simple:A computer network: is simply more than one computer connected through hardware, and comunicate through some kind of protocol which allows the transfer of data and commands and services.Distributed computing: is simply when more than one computer do a job which one wompute…
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Distributed Systems: The set of autonomous computers that are interconnected through a software usually known as middleware.It is a paradigm presented to user we can say "A software layer above network that connects different computer is termed as distributed systems. Computer Networks: The set of…
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TCP/IP: Transmission Control Protocol(TCP) and Internet Protocol (IP) .TCP -> As the name suggests it transfers the data from one system to the other IP -> It takes the data in Packets form and delivers them to the specified destination through the IP address provided (to the specified node).A…
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Connecting a PC I can only think of two ways you can connect two computers if they don't have network cards: 1. Use a serial cable. All computers have serial ports, so this would be the easiest solution, though it will be a little slow. Look up directions online on how to do this. 2. If both co…
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Servers, as their name suggests, provide a service. This can mean a wide variety of things. Some servers are configured for file storage (i.e. NAS [network-attached storage], FTP [file transfer protocol]), while others specifically respond to requests to provide content (such as Web servers [you're …
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Question is too vague, do you mean, How do you find a subnet on a windows machine? How do you find a subnet on a Linux machine? How do you find a subnet owned by the service provider??
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what is the basic internet operation
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Change the options in your email so you can view full headers. Look where it says X-originating IP, that should be the sender's IP. However, this does not do you much good unless you know how to trace the IP. Even then, however, does not mean you will get any resolution to a problem. You may be…
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This answer is really dependant on your use. the first answer is clearly easiest if you have only one computer. It doesn't matter. You could connect one USB & one Ethernet, Both Ethernet, Both USB. They have nothing to do with each other so they can be connected however you like. --- If you h…
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I would imagine you would see a decrease in performance if you had several computers all online requesting data at once, but most small home networks wouldn't even notice another couple of users surfing around.   yes i belive.
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It's not "illegal" if your router is configured to grant them access to your network. The law only prohibits "unauthorized access of a computer network". When someone uses their computer to request access, and your router grants access with no password, then their access of your network is authoriz…
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What is this 'device' you are referring to? Are you using your phone lines in your house to run a network? If so, then no, it will be almost impossible to run a DSL modem to that network.The reason is, a phone line network, which typically runs at 1mb per second, uses 'token ring' methology... basic…
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%DETAILS% Answer The Icon will not appear when you are connected with Broadband. You can force it to appear but it is not necessary. You are connected 24/7.
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Answer Yes, through VPN Virtual Private Network.
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By networking them through a router. Search online for information on how to do this.  Additional optionsIf installing a router is not feasible, you can also network the computers together, with one serving the job of router. Also, hubs are a slightly less expensive piece of equipment (though …
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You need to buy an adsl router. Connect your modem to the router then connect your two computers using rj45 (ethernet) cables or usb. Some routers need to be a modem router which renders your broadband router useless. Some broadband companies require you to register every PC used on the network shar…
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A Cat5 cable contains 4 pairs of 2 wires twisted together, making a total of 8 individual wires, however only 2 wire pairs (4 wires) are actually used for communication.
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First go to start, programs, accessories, MS-DOS Prompt. In the window type 'ipconfig /all' without parentheses, then press enter. First you determine the class of your networkthen, use the appopriate subnet mask for that network, a. Class A 255.0.0.0 b. Class B 255.255.0.0 c. Class C 255.255.255…
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There are mainly three ways of connecting a Laptop to a PC 1)Through LAN 2)Through Bluetooth 3)Through Wireless Router The first one doesn't need any s/w(software), but a LAN card or NIC(network interface card) Ethernet Card , and a Twisted pair cable with RJ(register jack)45 crimped through cro…
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Windows If you're running a Windows machine, bring up a command line prompt. (Start, Run, type "cmd" or "command"). At the command line, type "ipconfig /all". Listed will be your network adapters, with the "Physical Address" being the one your looking for.MAC and IP addresses in Windows NT, 2000 an…
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Fortran is a programming language, which means you write a program in Fortran, and COMPILE it to an EXECUTABLE program. The compiler you use differs depending on which operating system platform you intend to run the program on. If you wish to run the program on a PC using Windows XP, you must first …
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To connect to the internet you have to have 3 things.Internet accountA connection to the internet (phoneline, cable modem, dsl, wireless)a program that will activate the port that is connected to the internet.If there is no physical connection to the internet (phone line, network cable, wireless car…
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The network managers are responsible for all the customers, including other networks that they buy and sell electricity to and from. Typically the distributed operating system mostly worries about the local electricity needs, however incompetent behavior is often penalized such as shut down without …
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Contributions to computer networks were made by the following: CERN in Switzerland The first computer network was created at CERN the European research center for particle physics. it is in Switzerland. UCLA in 1969 The previous comment "the first computer network was created at CERN" is not c…
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A Local Area Network (LAN) is any two or more computers connected together for the purpose of sharing resources.In order to have networking work there are four requirements:1. Phycical Connection between the two machines. (cables, fiber, wireless, etc.)2. A Protocol (language) that both machines und…
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no need of telephone line for LAN networking. for LAN we ethernet card and other networking devices like hub, switch. for internet connection u need telephone line   A Lan is a shared network of multiple systems. You can have a LAN which does not have Internet access and only supports Print/F…
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Install xp on the laptop. A laptop won't work without an operating system. You can do this. But how do you mean "connect"? If you want to share files, then here's a way. If the laptop has a floppy drive and a network card you can make a network bootdisk to boot the laptop and connect to the lapto…
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A DNS client "resolves" an IP address by sending a specially-formatted request to a DNS server. The client has to know the address of one or more DNS servers in advance. The reply from the server may be a direct reply with the IP address associated with the hostname, a referral to another DNS serve…
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Use DeepOfix; a custom distribution (based on debian) that is specialized for email delivery. A list of features (copied and pasted from http://deeproot.in/deepofix/features) Simplified installation system Integrated server management system We ensure that a lack of prior GNU/Linux server admi…
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Go to command prompt c:\>shutdown -i Then give the client ip Then give shutdown.
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A proxy server, also known as a "proxy" or "application-level gateway", is a computer that acts as a gateway between a local network (e.g., all the computers at one company or in one building) and a larger-scale network such as the Internet. Proxy servers provide increased performance and security…
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Configuring a computer This is possible with usb and windows xp. With windows 98 there is a legacy (unsupported device) by the name of Vega Buddy that is installed in a pci slot and has a dongle that provides keyboard vga and mouse out to a terminal like configuration. With the lower prices of …
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No. When you update the USB Host, it updates all the 'ports'. Actually, the physical ports are just places to plug things in. The updating actually happens with the software hardcoded into the USB Root Hub, which controls all the ports.
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The only way you can do that is to buy any external HD case that has either a firewire or USB interface on the back. Install the HD in the case and use one of the two interfaces I mentioned to connect it to your laptop.you get a external plug it in by the cable that is provided into the usb of fire …
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Connect the primary, or first, computer to the printer. This is done traditionally with a printer cable linking the primary computer to the printer. If this is the first time the computer is hooked up to the printer, be sure to follow the manufacturer's instructions for installation and setup. Cha…
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Well if it is a wireless network interference or a weak signal might cause a network problem. Malware infections will also cause problems. Which are an infection of trojans, virus, worms, spyware, adware, freeware and grayware. Also if your router isn't working properly that would not allow the data…
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Yes not only is it cheaper but is a lot easier. Think about it this way if you intially network 2 computers will you have to run cables back and forth of the two. Lets say in the future you want to add a third computer, then you would have to run cables from the third computer to the first and secon…
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Use a router.Connect your cable or DSL modem to router, router to hub. Some cable and DSL modems have built-in capabilities to act as a router and perform Network Address Translation (NAT). The router can assign separate IPs for each computer, but all will access the Internet through the 1 IP addres…
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You could hard wire the two together but it's easier to go wireless. each computer must be capable of wireless reception, if they are not go buy one or two usb adapters for hooking up to the computer. They come with software that takes you step by step to install the software so no worries there. Al…
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LANs A Local Area Network is a small network which is usually contained within one building or campus. It is usually a private network, unlike the public internet. An Administrator in charge controlls file sharing, access and many other factors. LANs can be connected to public networks like the Int…
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I have never done this before, but i believe you want a VPN Virtual Private Network. : its is possbl... click start button ->control panel->internet connection-> see the left side dialog box and see the remote location setting entr and change it...
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well, you can easily create a music server with a shoutcase or icecast server. It is a type of broadcast program that binds to a port on the server program, and the client programs use mp3 software such as winamp and open that specific location:port and it creates a "live stream" As for movies, no…
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Add the RRAS computer to the appropriate group: 1. Log on to your computer with an account that has administrator privileges on the Windows 2000 domain. 2. Launch the Active Directory Users and Computers MMC snap-in, and then double-click the domain name. 3. Double-click the Users folder, and th…
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sure, just get 2 wireless NIC Cards and install them both into the computers, then get a Wireless Router, and depending on your operating system, you may need to install more networking protocols. As far as having them both use A dial up connection. that i have never done before, but you should be a…
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The switch itself. It sounds like the switch may be having a conflict between any two given NICs. And as for plugging the modem directly into computer #2, did you use a cross-over cable or just a straight cat5? Because if you are connecting anything (two computers, one computer to a modem etc.)witho…
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One Answer: It is possible to connect two computers without using a hub by using a switch instead. A switch is better than a hub because it creates a collision domain (CD) and stops them from happening when two devices try and send frames at the same time. Rather than buying a cross-over cable to c…
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A DMZ or DeMiliterized Zone is something that has to be created on the firewall. If you want to setup a DMZ and only have one PC and one firewall, then it is pointless to have the firewall in the first place. If you are in a corporate environment and do not know how to access the firewall, then you …
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Well you can upgrade your internet connection to Broadband or High Speed. You can also get rid of unnecessary network componets. Like extra printers and scanners. It takes longer for people to know what to print and scan from if there are multiples of each. But increasing the number of hardware comp…
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This is possible in Linux based system's. IP's can be splitted in two IP's ! And it can be achieved from single NIC card ! Sure you can .. if you are using Windows you can configure the TCP/IP Protocol in your Network Properties and then you can add additional IP addresses Windows XP * Control Pan…
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I'll answer assuming you're using Windows based machines. The absolute easiest way is to buy a Router or Switch from a company like Linksys. A Router will handle outbound traffic, so you'll need that if you want to share broadband internet connectivity. Then you'll need a network connection for each…
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The easiest way (and reliable but not cheapest) is to rent a T1 line have it run between the buildings. If that's not an option then I would look into a wireless point-to-point solution. Some of the higher powered antennas available today can reach 16 or so miles, which would more than suit your nee…
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Generally, you can't. Each network card has it's own unique physical MAC address imprinted on it by the manufacturer (kind of like a fingerprint or Social Security number). Although, many types of ethernet cards available today support changing the MAC address assigned to the card. The address is ho…
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Basic security tips used in a workplace.- Use Windows 2000 or XP to allow for each user to have their own accounts on each computer. - Change the security settings on your own user profile (typically C:\Documents and Settings\Username) so that only you have access to it (and not administrators &…
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%REPLIES% Answer Four. Answer Four pins ie.,TXD,RXD,RTS and CTS. U wil need to use the others in case of devices like modem ,etc.For communication between 2 computers u can avoid thm.
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you don't assign one yourself, persay... They are more or less assigned for you. With dialup connections, each time you connect to your ISP they give you a temporary IP to use while you are connected. When you disconnect, that IP is thrown back into a pool of other IP's and ready for the next person…
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The answer is either. Computer networking is a very broad category encompassing an astonishingly wide range of communication technologies. When Voyager made it's last transmission from the depths of space to earth, this could be considered computer networking (albeit with rather high latency) in tha…
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The first thing to ensure that you are running the NIC on the client at Full Duplex and also ensure that the switch that you are using to connect to the server is running a Gibabit NOC and running 1000SX and not running 100TX   Using your scenario of one server and one computerServer - At lea…
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You need what is called a crossover cable. This cable is special because there are a few wires switched that allow the computer to send and receive all has to do with the network card and how communcation is done. Answer:Correct - The wires within each terminal end of the cables are switched So the …
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Short answer: just like your TV's remote control!Long answer: IR stands for infrared, it's a certain frequency of light, just like FM, AM, X-rays, etc. You know that little shiny black spot on the top of your nokia phone? Well, most laptops have one of those ports, too. You point the two ports at ea…
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I think the problem could be in how the Network is configured and the Operating System used. If the network is configured to use a Domain Controller (DC) then your problem could be the Master Browser Service. If the computers are configured to be in a Workgroup (No DC). Then it could be the same ser…
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Using USB cable to connect two computers directly. You should buy the cable and install software (driver). Two webaddress: http://www.usbfirewire.com/Parts/rr-usb-usb2db.htmlhttp://www.extremereviews.net/data.php?recordID=127&page=1&type=reviewI know that the answer is too late for you. But …
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Easy Setup: Connect 2 Computers Directly Using Crossover Cable http://www.home-network-help.com/crossover.HTML you will need a crossover cable to do this. pairs are switched allowing communication to occur without a hub or router   TAKE THE CAT5E CABLE AND TWO JACKS.YOU WILL FIND 4 PAI…
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One Way: When you try to log-on or connect to a computer and you receive an error stating: "the trust relationship between this workstation and the primary domain failed," don't panic. In order to fix this problem, you remove the workstation from the domain by accessing it with a local administrator…
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Are you talking about logging on to a Windows Domain?If you have a roaming profile, the first time you log on as a certain user, it can take some time depending on what you have set to be stored on the machine.Are you running a domain controller? Otherwise, check the network settings on that machine…
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MAC address are hard coded on network cards and network devices. A HUB acts as a splitter, so yes.>both Mac addresses are provisioned; Implies your ISP will assign unique IP addresses. The hub then acts as only an electrical connection box. Without Unique IP addresses, you need a router instead…
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In a word, Yes. This will work if and only if your network is configured properly. If IP connectivity exists between the two switches, you can have the print server on a different switch.
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There generally r 2 com ports, com1 and com2. They are RS232 ports which r serial ports.one way to communicate between 2 PCs is to use a software called hyperterminal..its there in evry computer.( accessories-> communication tools). if not u can also install it. u can find more information on it…
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Give each user their own computer on the LAN.  InfoEach user should have their own username/password. Any changes a user makes to the way their desktop looks is JUST for that user. If user A logs into the PC, and turns the Active Title bars purple, only user A has to live with purple Active Ti…
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TCP/IP is composed of layers, wherein each layer is responsible for performing certain operations on the data it receives and passing it to the higher layers. Each layer deals with certain issues related to the transmission of data and renders certain services to its higher layers. The TCP/IP model…
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you have to buy IRDA Wireless Connection Adapter(USB Adapter).1. you should Plug & install the Driver of IRDA Adapter to Computer. 2. IF you have CD of software that which cell your are using (Sony T310, Nokia 6610) You should install that also to computer. 3. Enable your IRDA port in your cell …
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Essentially IR port on PDAs or a computer is a serial port with physical connection in form of Infrared light instead of electrical wires. These ports have infrared LED transmitter and Infrared photo diode receivers. You have to have IR built-in to your computer or you have to buy an adapter for …
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%DETAILS% This is really simple. There are probably hundreds of places on the net that tell you how to do this, but the simplest way is to ensure that all of the computers have ethernet cards. Have all of the computers connect to a hub, including the server. Go into the control panel, then networ…
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You can connect two computers to one monitor using a KVM swtichbox. Check this product out at Switch Box u can't connect one monitor in 2 computer.but u can use the monitor disply of other computer through one third party software like VNC   Yes we can connect two computer with one monitor. …
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A simple wired network would require two computers, two network cords, and a hub. You would manually assign consecutive IP Address to each computer. Connecting wired computer to another wired computer would requre a special cable called a cross-over cable. Most Wireless Routers will be pre-confi…
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Contact an IT solutions company. This is way to big of a job for anyone without extensive knowledge in the field. It will likely require multiple servers, operating systems, lots of wiring, lots of computers, backup solutions, multiple internet connections w/routers, probably some wireless access po…
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The only possible solution is setting up ad hoc wireless network between these 3 computers, but you will need 3 wireless adapters. Setting Up Ad Hoc Wireless Network in Windows XP http://www.home-network-help.com/ad-hoc-wireless-network.HTML Without a hub, you will have to use crossover cables …
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You could try to search the network for the current logged in user name and trace the network id to that name... If you are using novell server with windows workstations and you know the IP address of the PC, then you can type nbtstat -A <ip address> in a DOS window. --- First go to RUN a…
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Set up your own network at home by getting the help from networking books or a website. For most people, this is the most useful method to learn networking with hands-on experience.
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No, why would you? I suggest just buying a wireless PCI card for the two desktops. It would make life much more easier.   You can, what you need is a wireless router... this will allow you to have approximatly 4 ethernet ports and wireless access to your network, but look in your manual to ma…
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Any networking issue is a combination of software and hardware configuration. The version of NOVELL at your work may be based on an IPX based communications scheme, while it is almost certain that your home network is based on TCP/IP. You can get your laptop to handle this, but it will take install…
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The most simple way is to buy a network card for each PC and then a hub, and connect all the pcs to the hub using cat5 (network) cabling. Well the previous answer is okay but, move up and use a switch or a router, these devices by linksys and other companies usually run no more than $100, you ca…
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Remember what your username and password were 'cause changing your workgroup isn't going to affect your login.   If you had your computer connected at work and the computer was using your network logon to allow you access to the computer, then the problems is that the office network is no lon…
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First you should Network the 2 Systems. 1. You should install the modem or what ever you used to connect the internet like Moble Phone. Tataindicom FWP.2. You should get connection using any Internet service providers.3. You should Configure the Modem & ISP with giving Correct User Name & Pa…
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With a network that has less than 10 computers, you really don't need a server. Installing network operatins systems is the same as installing any operating system, insert the CD and install. For a network with less than 10 computers, a peer to peer networking topology would be the best. Please n…
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Answer The transport layer provides additional function to compensate for the limitations and impairments of the network layer, in order to meet requirements (e.g. QoS) of the upper layer. For example in TCP/IP, IP provides only best effort service. To provide the reliable service required by som…
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You need to use "crossover" cable. Search on google and you can find the schematics.Router <> Switch Regular Cat 5 Switch <> Switch Crossover cable Router <> Router = Crossover cableCrossover PIN layout of RJ-45 1 Rx+ 3 Tx+ 2 Rc- 6 Tx- 3 Tx+ 1 Rc+ 6 Tx- 2 Rc-Argumentable:(B standa…
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If you want to make your network faster, pls use Switches in place of hubs, this is because Hubs are Dummie - it will search the whole 24 ports before sending the request to the right machine, but switches are autosensing device that send the request to the right machine at the right time.
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From the server side we have to first create 3different names and passwords. The application that they are performed get stored in the server.They can simply share each other application if the server give them the permission to access the file.   Not all programs can be networked in this man…
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