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Local Area Network

Questions concerning the setting up, troubleshooting and operation of wired LANs used by businesses and other organizations

4,003 Questions

What is TCP over IP?

TCP/IP is a "protocol suite", i.e., a group of related protocols, protocols that work together. It is named after two of the most important protocols, TCP and IP - but the TCP/IP stack is made up of many more protocols, it is not just those two.

TCP/IP is a "protocol suite", i.e., a group of related protocols, protocols that work together. It is named after two of the most important protocols, TCP and IP - but the TCP/IP stack is made up of many more protocols, it is not just those two.

TCP/IP is a "protocol suite", i.e., a group of related protocols, protocols that work together. It is named after two of the most important protocols, TCP and IP - but the TCP/IP stack is made up of many more protocols, it is not just those two.

TCP/IP is a "protocol suite", i.e., a group of related protocols, protocols that work together. It is named after two of the most important protocols, TCP and IP - but the TCP/IP stack is made up of many more protocols, it is not just those two.

An ip network can use both tcp and udp for data transmission what is the different with the both?

TCP (Transmission Control Protocol) is the most commonly used protocol on the Internet. The reason for this is because TCP offers error correction. When the TCP protocol is used there is a "guaranteed delivery." This is due largely in part to a method called "flow control." Flow control determines when data needs to be re-sent, and stops the flow of data until previous packets are successfully transferred. This works because if a packet of data is sent, a collision may occur. When this happens, the client re-requests the packet from the server until the whole packet is complete and is identical to its original.

UDP (User Datagram Protocol) is anther commonly used protocol on the Internet. However, UDP is never used to send important data such as webpages, database information, etc; UDP is commonly used for streaming audio and video. Streaming media such as Windows Media audio files (.WMA) , Real Player (.RM), and others use UDP because it offers speed! The reason UDP is faster than TCP is because there is no form of flow control or error correction. The data sent over the Internet is affected by collisions, and errors will be present. Remember that UDP is only concerned with speed. This is the main reason why streaming media is not high quality.

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What is application layer?

Application layer is the top layer of the OSI (Open System Interconnectivity) server layer model. This layer handles issues like network transparency, resource allocation and problem partitioning. The application layer is concerned with the user's view of network (e.g. formatting electronic mail messages). The presentation layer provides the application layer with a familiar local representation of data independent of the format used on the network.The application layer provides the interface to the communications environment which is used by the application process. It is responsible for communicating application process parameters.

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Can you Connect a DOS 6.22 Workstation to server 2003 over the internet?

Standard DOS does not have any networking software, so by itself there is no way to connect to a network, let alone a server 2003 system. You would have to buy networking software that runs under DOS to get to the network.

IP address is invalid?

If you are trying to connect to your own network or "localhost"

Try typing in: 192.168.0.1 or

127.0.0.1 or

http://localhost

But typing in your Public IP address will not work

Hope this answered your question

What should I do since the message I get says No DNS servers could be retrieved from network adapter?

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What are the Set of formal rules used in describing how to transmit data across a network?

Those are the Standards - an agreed upon set of protocols (rules) to describe network communication.

How to unblock Gmail from blocked sites?

Your school has blocked certain sites - to try to get you to concentrate on your lessons - not use their computers for personal communication which should be done from home ! We in the Wiki community will not help you bypass your school's security protocols !

How many Subnets can you create on a Class C address with the subnet mask being 255.255.255.192 the answer i got was wrong and I don't understand where I went wrong please help. Thank you?

192 is equal to 2 bits borrowed 2^2 = 4 the number of subnets and host are 64 because 2 bits borrowed from the 8 bits of a class C network is 6, therfore 2^6 = 64.

How you can use intranet at home?

If you mean the intranet at your office... you'd need to have a VPN server. Some routers are capable of doing this, and recent versions of Windows Server also have VPN capabilities. You might search the MSDN (MicroSoft Developer Network) website for VPN and Terminal Services... there's an excellent document there that gives step by step instructions for setting up Terminal Services over a Secure Socket Layer tunnel.

What is the Difference between hubs and switches?

While a hub (simpler, cheaper)shares the total bandwidth among all users, a switch gives a dedicated, full bandwidth between every two devices communicating with each other. In a small home or office, a hub is generally sufficient. However, if many users often transmit large files, the switch may help eliminate congestion.

How do you connect PC using token ring to a Ethernet supported mainframe?

Typically you would need a gateway for this purpose, because the protocols are very different. In my HP server, for example, I have two NIC cards; one of the NICs connects to a Token Ring network and the other connects to an Ethernet network.

The software in the HP server (gateway) manages the translation between the two different types of networks.

What is the default period of time after which a dhcp client attempts to RENEW ITS IP?

8 days

Above answer is not exactly correct. The default period of time (T1) is 1/2 the time of the original DHCP lease time. So if you have a lease time of 2 days then the first attempt to renew the lease will be in 1 day.

What is Packet Data Channel?

Any time-slot on any GSM radio channel assigned to GPRS usage is defined as a Packet. Data CHannel(PDCH).

What would be the default subnet mask for the IP address 157.54.4.201?

Since 157.54.4.201 falls in the class B address range the default subnet mask would be:

255.255.0.0

128 - 191 is a class B address.

What difference between switch and host?

A switch is a network connectivity device and a host is a computer system (client) on a network.

What is the difference between mlln and non-mlln?

MLLN circuit is meant for short distance links where as NON-MLLN link are for long disatance links

How does the use of a networking switch minimize problems with packet sniffing in a LAN?

In a LAN, the use of a networking switch can minimize problems with packet sniffing by implementing IPsec at layer 3which encrypts transmissions across the network link.

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Which business models can use payment gateway?

A Payment Gateway Aggregator is an infrastructure company that is essentially a software and is marketed as a service (SAAS). The infrastructure of the payment company is embedded into the core of the e-commerce or payment accepting company via an API

The payment gateway business model stands out as a quick and clean manner for transaction records to skip from a charging portal to the obtaining financial institution. Before delving into the payment gateway commercial enterprise version, it might be beneficial to recognize what precisely a payment gateway is.

Why do cross over and straight through cables work on some home routers?

A feature named Auto-MDIX (Medium Dependant Interface Crossover) allows a network device such as a router or PC, to auto sense what type of cable is connected to the device and what type of cable should be used. If it detects the wrong cable, the device will simply reconfigure itself automatically so that it is compatible with the connected cable.

This feature is found on the majority of new network devices, meaning the requirement for a specific cable is less important.

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