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Computer Networking

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.

18,810 Questions

Can two PCs be connected with a straight through cable instead of a crossover cable?

As long as the PC's were built within the past few years, then it is possible to use a straight through cable instead of a crossover cable. This is possible due to a feature named Auto-MDIX (Medium Dependant Interface Crossover).

In the past, a crossover cable was required to connect two devices of the same type. e.g. a router to another router or a PC to another PC. A straight through cable was required to connect two devices of different types. e.g. a router to a PC.

Auto-MDIX is a feature on the majority of new network devices. If you plug the wrong cable type into a Auto-MDIX enabled device, the device will reconfigure itself to allow connections to work properly.

5 letter words starting with d?

Drill, drake, dizzy, doors, drain. ditch, darts, drips, drone, diary, dairy, discs, docks,

What are the basic features of telecommunication network?

Each telecommunication network is made up of five basic features and components. They are, terminals, telecommunications processors, channels, computers and telecommunications control software.

Samba server and ftp server difference?

Samba server is used fo sharing file and folder and directories over the network ,whether sharing between windows to Linux or vice versa,same case with the ftp but

1)ftp can provide anonymous access to the clients,that means,there is no need to have users account on ftp server

2)files first need to be downloaded from windows or Linux before viewing it,in case of samba we can direct share files.

3)in case of samba there is need of samba clients on samba server for accessing files.

Boot on lan vs wake on lan?

i have a 10 systems but i having DVD R/W in one system when i got xp problem i heve to put DVD in particular system i have to format ,but i want without putting DVD R/W i wanted to boot system in Lan (Network)

What determines someone's IP address?

A DCHP server hands out or determines the IP addresses of a network device. In example, this can most commonly be found on a router where it will bridge your external IP address, and determine a list of internal ip addresses for your local devices when you connect to your local network. If you require any more information just let me know, however I'm probably not the most knowledgable person to ask in this particular field.

What are the virtues of UTP?

Publication: Business Wire

Date: Tuesday, June 8 2004

Business Editors MENLO PARK, Calif.--(BUSINESS WIRE)--June 8, 2004 Network Video Technologies (NVT) today announced that Mandalay Bay Casino in Las Vegas is using NVT's equipment to transmit video signals from cameras to monitors using unshielded twisted-pair wire (UTP), delivering high-quality video while simplifying system installation. "We wanted to increase Ads by Google

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the amount of cameras we could use while keeping the same size pipeline," explains Brian King, lead surveillance technician for Mandalay Resort Group. "We also chose not to use any existing wire so that we could have full ownership and control over our part of the network." Mandalay Bay is using a Pelco 9760 switch with six nodes and a mixture of dedicated VCRs, MUXs and digital video recorders. Cable runs are from 100 to 2,500 feet. "Although we mostly use Cat 5 when we can, sometimes the choices in pairs (4, 25, 50 and 100) force us to use Cat 3 or multiple 25-pair Cat 5 cable," King reports. These latter cables cost much less and, as importantly, NVT transmission equipment works with all of them, eliminating the need to base cable selection on the transmission system components. King says the casino saved a "substantial" amount of money by using UTP wire versus coaxial cable and the picture quality is excellent. "For long runs with multiple cameras coming from one unique location, I recommend NVT's UTP solution," King adds. In most video transmission applications, coaxial cable is more difficult to install, resulting in higher labor costs. It is also less dependable because it is more susceptible to interference. Conversely, video signals transmitted using NVT's UTP solution remain noise free while transmitting over longer distances. About NVT Network Video Technologies develops and markets an award winning line of video transceivers and hub systems for the transport of quality full-motion, color video and audio over ordinary, unshielded telephone wire. As a security industry leader in twisted pair based video transmission technology, NVT continues to innovate and produce leading edge video transmission equipment featuring unsurpassed performance backed by excellent customer support.

How can you make sure you're on WiFi and not service provide internet?

Even if you have a wireless network you still need your ISP. Your wireless router/modem are whatever you use, still has to connect to a jack on the wallw which has cable into your wall which, in turn, goes to the Internet. Your ISP is the only people who can supply you with that. ISP is the ones who hook up the wiring in your house to the telephone lines outside which goes to the Internet through them. Hope this helps.

Why is the transport layer not present inside the network?

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 some applications - that is, to compensate for the shortcomings of best effort service - TCP establishes connections and implements flow control and congestion control on an end-to-end basis. Answer Actually, it is, just not through normal tools. Special programming is required to access the upper layers of TCP.

How are lan wan and isp the same?

LAN stands for Local Area Network, it is a small network like an office. A WAN is called Wide Area Network and is a connection of LANs. An ISP stands for Internet Service Provider and they are the companies that charge you each month to access the Internet.

How do you forward port for U-torrent on Linksys router WAG200G?

This is a guide for forwarding uTorrent on the Linksys WAG200G.

http://www.portforward.com/english/routers/port_forwarding/Linksys/WAG200G/Utorrent.htm

Some of the screen shots of uTorrent are out of date in the guide, so you might want to also look at this guide:

Optimizing µTorrent for Speed

http://www.techsupportalert.com/content/optimizing-torrent-speed.htm