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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 the cheapest way to share internet between two computers I have a computer with basic cable internet in one room and I just got a new computer in another room What is the cheapest way to share?

Buy a router and one short Ethernet cable to run from the router to the nearer computer and one long Ethernet cable to run from the router to the farther computer.

If both computers have built-in Wi-Fi (wireless), then buy a $40 Wi-Fi router at BestBuy, Amazon.com, Newegg.com, etc., and then you don't need Ethernet cables.

What does hex stand for?

Hexes can stand for anything along the lines of: color hexes, Hex wrench's, and hex codes. Hex is not an acronym though, if that's what you are asking.

Is there an international organization for standardization?

Yes. ISO [International Standardization Organization] is the internationally recognized organization that is responsible for creating standard policies and systems that any company, business or other organization can implement in terms of compliance to government legislative requirements. ISO is also known for developing these standards to address several issues that affects businesses and the industry as a whole.

Research paper about risk in teenage pregnancy?

A research paper written about risks in teenage pregnancy can give teens something to think about before having sex. There are many risks one may not really be aware of and such a paper could touch on all those.

What is a context switching?

Context switching is how the computer's operating system multitasks different processes. It lets one process run for a while and then saves a copy of the process' run state (such as register values) off to the side, restores the run state of the next process back into the processor, and runs it for a while. Context switching is this process of swapping one program out of the CPU and replacing it with another process.

If DHCP server uses the subnetmask 225.225.225.0 how many ip address can it produce?

Hi Friend,

i Think that there is a problem in question or i am not aware about it, becoz

first octate should fill first so it would be 255.255.225.0, when 2 octate will full then u can reach on third octate.

if we leave first octate on 225, it means it doesn't cover all ip of A class, so it can't move further.

if there is any update, then plz mail me @ mohitdns@AOL.in

Thanks

Mohit Sharma

What is tcp rtt?

Short for Round Tripp Time...

It's the time a TCP packet takes to travel to it's destination and back (in the form of an acknowledgement-packet).

How do you network a USB printer to and Ethernet network?

No, you need a print server or you need to share the printer via a desktop computer in order to get connectivity over an Ethernet network with more than one client.

Hook the USB printer to one of computers and turn printer sharing ON in the System Preferences/Sharing/Services menu on the computer the printer is hooked to. Then you should be able to see it in the Print Menu under Shared Printers on the other computers. The down side is you have to keep the USB Printer/Computer on all the time in order to print to it. The other computers won't see the printer if the USB Printer/Computer is asleep. Keyspan.com, etc... has both the print servers you could use but make sure you read which one you need. They both do it different ways for different printers and usage.

Where is the ip address on a cisco switch for telnet?

The Cisco switches I have seen don't have an IP address by default. You have to connect to the switch with a console cable - one that connects to the console port on the switch, and to the serial port on the computer - and do some initial configuration, including the IP address.

The Cisco switches I have seen don't have an IP address by default. You have to connect to the switch with a console cable - one that connects to the console port on the switch, and to the serial port on the computer - and do some initial configuration, including the IP address.

The Cisco switches I have seen don't have an IP address by default. You have to connect to the switch with a console cable - one that connects to the console port on the switch, and to the serial port on the computer - and do some initial configuration, including the IP address.

The Cisco switches I have seen don't have an IP address by default. You have to connect to the switch with a console cable - one that connects to the console port on the switch, and to the serial port on the computer - and do some initial configuration, including the IP address.

Why is it that a server needs a fixed port number but client process can be given any random port number?

The client process needs a temporary port number. It tells the server to which port to reply (the TCP or UDP header includes information about the source and the destination port). The client, on the other hand, doesn't know in advance what port the server uses - unless the server uses a standard port number.

The client process needs a temporary port number. It tells the server to which port to reply (the TCP or UDP header includes information about the source and the destination port). The client, on the other hand, doesn't know in advance what port the server uses - unless the server uses a standard port number.

The client process needs a temporary port number. It tells the server to which port to reply (the TCP or UDP header includes information about the source and the destination port). The client, on the other hand, doesn't know in advance what port the server uses - unless the server uses a standard port number.

The client process needs a temporary port number. It tells the server to which port to reply (the TCP or UDP header includes information about the source and the destination port). The client, on the other hand, doesn't know in advance what port the server uses - unless the server uses a standard port number.

Describe the fundamental properties WANs and LANs have in common?

-Both are designed to enable communication between clients and hosts for resource sharing.

-Both use the same protocols from layer 3 and higher of the4 OSI model.

-And both networks typically carry digitized data via packet-switched connections.

How does a router help to segment a network?

contain tables of ip addresses along with optional routes to other networks. answerd by tyler brewer

A network of 10 or fewer workstation connection by cable for the direct sharing file and hardware resources is which type pf network?

Peer to Peer network (Microsoft calls it a Workgroup). Does not require cable for connection, can be wireless. Is appropriate for up to 10 computers. Each computer in a Peer to Peer network keeps its own security access database. That means, each connection to the computer must have an account on that computer.

How do you know if your wireless card is bad?

There is not much of standard tests. You can try connecting to different public networks, if you get connection for most of them: your card is fine. Also some cards just are not good, and have serious issues with routers of different brands.

Before trying anything update the driver for your wireless adapter.

There are types of Wireless cards the standard is 802.11:

A 5 Ghz 54Mbps 30m

B 2.4 Ghz 11Mbps 38m

G 2.4 Ghz 54-108 Mbps (MAX 108 MIMO) 100m

N 2.4/5 Ghz 300-600 Mbps (MAX 600 MIMO) 300.

Can you connect a wireless router to desktop PC?

Yes, you can. You need to get a wireless adapter which you can get now for $20-30 and more with free shipping. Install it and have with wireless networking.

Why does tcp not support broadcast?

TCP is a point-to-point protocol where two computers talk together, similar to a phone conversation: If my computer can't hear what your computer is saying, it will ask your computer to repeat it. This makes for reliable data transfer, but doesn't scale well to many recipients, for pretty much the same reason that having everybody talking at the same time can only scale to so many people.

If you need broadcast, there's UDP. UDP can offer broadcasts because it is a one-way communication, similar to radio or TV: Just pump the data out there, and it's up to the recipients to catch it. It is the one-way character of UDP that makes broadcast possible.

Why are there 8 wires in an Ethernet cable?

In Cat 5 cable based on fast ethernet (100 mbsp) 4 are used to Send and Receive. The other 4 wires are unused. All 8 wires are used for gigabit communications.