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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

What is conventional encryption?

Conventional encryption ciphers rely on a single key for both encryption and decryption. Modern protocols will use a private key for encryption and a different public key for decryption. These two keys are mathematically related in a fashion that allows them to encrypt/decrypt the same data successfully.

Do modems automatically renew ip address?

Yes sometimes...if the IP is a static one then it cannot be changed...if it is a dynamic one then it keeps changing.The time interval of change depends on the ISP.You can visit Ip-details.com to get your current IP.

What does a WEP do and why should it not be implemented in a wireless network?

WEP encrypts information passed between your wireless adapter and wireless access point.

It should not be implemented due to weak encryption algorithm and can be decrypted by intruders within minutes.

What is Computer cooked data?

Cookies usually contain preferences of users for websites, also it contains private information like passwords and usernames. That's why after you worked on one of public computers you should delete cookies.

Can you plug printers directly into a network switch and have the print server located either on the same or different switch?

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.

What clolor code on cross over network crimping?

If you hold up the end with the tabs at the back facing you, the wire connected to the pin on the outside of the left plug (PIN 1) should be the same color as the wire connected to the pin on the outside of the right plug (PIN 8). I didn't give you a complete answer the first time so here are the exact color schemes: There are two types of cables (not including crossover I'll get to that in a second) 568A and 568B. It does not matter which one you use to hook up a network as long as you use the same one all the time. To make a crossover cable you would make one end 568A color scheme and the other end 568B color scheme. Hope this helps. UTP Cabling Color Chart Pin No. 568A 568B 1 White/green White/orange 2 Green Orange 3 White/orange White/green 4 Blue Blue 5 White/blue White/blue 6 Orange Green 7 White/brown White/brown 8 Brown Brown

How does telecommunication work?

Today, cables and radio waves carry all manner of information around the planet via the many networks that are constantly expanding and combining in infinite ways.

Before the advent of modern communications, however, our ancestors had to use their ingenuity to send messages.

The human voice, light signals and smoke signals were the forebears of modern telegraphs, telephones, radio, television, faxes and the Internet, which are the result of rapid advances made possible by the advent of electricity and, more recently, computers.

Using increasingly sophisticated technology, these tools have become a vital part of daily life and are the culmination of human endeavours stretching back over the centuries.

How do you use wan in a sentence?

To be wan is to be faint or pale. An example sentence would be: She looked so wan, it was very worrisome.

How do you fix your phone when you send messages and they don't come up in the sent messages?

It is best to call up your service provider so you could first determine whether the problem lies in your phone or in the network. Make sure you take notes if the messages send to certain phone number or they don't send them to any number at all.

How do you do port forwarding for a Siemens modem?

I don't have that router but, for most others you need to open a browser and go to the address bar and type 192.168.1.1 or your default gateway (get that by opening command prompt and typing ipconfig, look for gateway) into your address bar).

What is node to node delivery?

Node to node delivery is a general networking reference and is often contrasted with end-to-end delivery. The terms apply equally well to delivering mail and sending data over over the Internet.

It helps to have a specific example illustrating the meaning of "network" within the context of the reference to node-to-node, but the general idea is pretty universal.

A network is normally made of of connections between many points. Any connection between two of those points without an intervening point is a node-to-node connection. If you are driving a delivery truck, the path between to stops is the node-to-node path and what comes from one stop to the next is a node-to-node delivery. Networks usually have nodes where things enter the network or leave it. If a delivery is to go from and entering point to a leaving point, it is an end-to-end delivery and may involve many or few intermediate node-to-node transportation transfers.

Needless to say, there are may variations of nodes and connections and communication strategies in the various networks, so there is this vocabulary that is useful that is general for many types of networks.

Are the objectives of flow control and congestion control the same?

Average rate will remain same but

Flow control: end-to-end mechanism for regulating traffic between source

and destination

• Congestion control: Mechanism used by the network to limit congestion

On which type of network does each computer maintain its own permissions and security settings?

Each computer on a peer-to-peer network is responsible for managing its own resources .

A peer-to-peer network is one in which two or more PCs share files and access to devices such as printers without requiring a separate server computer or server software.

Which of the secure shell utilities is used to establish a secured command-line connectionto a remote server?

Answer: SLOGIN.

slogin is an SSH utility that provides secured command-line connections to a remote server.

How many Countries that do not have Internet and computer use?

You can get internet access all around the world, but there would be remote places in different countries where internet access would not be available or very difficult to get.

You can get internet access all around the world, but there would be remote places in different countries where internet access would not be available or very difficult to get.

You can get internet access all around the world, but there would be remote places in different countries where internet access would not be available or very difficult to get.

You can get internet access all around the world, but there would be remote places in different countries where internet access would not be available or very difficult to get.

You can get internet access all around the world, but there would be remote places in different countries where internet access would not be available or very difficult to get.

You can get internet access all around the world, but there would be remote places in different countries where internet access would not be available or very difficult to get.

You can get internet access all around the world, but there would be remote places in different countries where internet access would not be available or very difficult to get.

You can get internet access all around the world, but there would be remote places in different countries where internet access would not be available or very difficult to get.

You can get internet access all around the world, but there would be remote places in different countries where internet access would not be available or very difficult to get.

You can get internet access all around the world, but there would be remote places in different countries where internet access would not be available or very difficult to get.

You can get internet access all around the world, but there would be remote places in different countries where internet access would not be available or very difficult to get.

What is difference between Token Ring Token Bus?

In a token bus network architecture, the nodes at either end of the bus do not actually meet. In a token ring, the network logically functions as a ring, but is wired as a star.