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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 a IP address setting on PS3 wireless connection?

Hard to explain but heres an example of one: 192.168.65.12

It is the same one as your wireless network except the last number will be added up one. Lets say you have 191 at the end on your laptop then on the ps3 it will be 192

Does turning off your router make it work better?

Usually it does not. But sometimes you have reboot it especially if you have problems with connection or internet (it's not necessary that it will work).

How good was the performance on the old computers?

The average home computer was moderately fast but the parts inside were fairly large and there were cables and stuff everywhere inside making it harder for the motherboard to receive and send data to different components in the computer. The Eniac was a computer monster used in WWII couldn't do much but it was a jump in the technology that helped us get to where we are today.

Remove lo Jack on a LAPTOP?

It stores its information in the bios Download cbrom for your version of bios for example here for award bios

http://www.rebelshavenforum.com/CBROM.html

Install and run cbrom_32(version) with parameter /D

Displays al the file names.

cbrom32_149 gtgn105.bin /D - (cbrom crashed but still showed all the file names.) Extract all files(now possible) Look with an hex editor tofind the string "computrace"

In my case in OEM2(oem version laptop).

Than i rancbrom32version number /oem2 release doublecheck with cbromversionnumber /D Upload the new bios

Then you have to reboo in safe mode kill the process rpcnet.exe Delete ther following files

rpcnet.exe

rpcnetp.exe

rpcnet.dll

rpcnetp.dll and last disable service rpcnet.exe

What are the advantages of fully connected topology?

Advantages:A fault in one terminal on the network will not effect the rest, as the data has multiple reduntancy paths, depending on the size of the network, that are open to it.When network usage is high, data packets can be transmitted via different cables, thereby reducing network clogging - keeping data transfer rates at an acceptable level.Disadvantages:A large amount of cabling is required.

What ports need to be open for the client to use the FTP client software?

FTP is a TCP based service exclusively. There is no UDP component to FTP. FTP is an unusual service in that it utilizes two ports, a 'data' port and a 'command' port (also known as the control port). Traditionally these are port 21 for the command port and port 20 for the data port. The confusion begins however, when we find that depending on the mode, the data port is not always on port 20.

In active mode FTP the client connects from a random unprivileged port (N > 1023) to the FTP server's command port, port 21. Then, the client starts listening to port N+1 and sends the FTP command PORT N+1 to the FTP server. The server will then connect back to the client's specified data port from its local data port, which is port 20. From the server-side firewall's standpoint, to support active mode FTP the following communication channels need to be opened: * FTP server's port 21 from anywhere (Client initiates connection) * FTP server's port 21 to ports > 1023 (Server responds to client's control port) * FTP server's port 20 to ports > 1023 (Server initiates data connection to client's data port) * FTP server's port 20 from ports > 1023 (Client sends ACKs to server's data port)

In order to resolve the issue of the server initiating the connection to the client a different method for FTP connections was developed. This was known as passive mode, or PASV, after the command used by the client to tell the server it is in passive mode. In passive mode FTP the client initiates both connections to the server, solving the problem of firewalls filtering the incoming data port connection to the client from the server. When opening an FTP connection, the client opens two random unprivileged ports locally (N > 1023 and N+1). The first port contacts the server on port 21, but instead of then issuing a PORT command and allowing the server to connect back to its data port, the client will issue the PASV command. The result of this is that the server then opens a random unprivileged port (P > 1023) and sends the PORT P command back to the client. The client then initiates the connection from port N+1 to port P on the server to transfer data. From the server-side firewall's standpoint, to support passive mode FTP the following communication channels need to be opened: * FTP server's port 21 from anywhere (Client initiates connection) * FTP server's port 21 to ports > 1023 (Server responds to client's control port) * FTP server's ports > 1023 from anywhere (Client initiates data connection to random port specified by server) * FTP server's ports > 1023 to remote ports > 1023 (Server sends ACKs (and data) to client's data port)

What is a computer program that can monitor all the information passing over a network?

you can try WFilter Enterprise, it can monitor all the internet activities of your network.

  • Monitor and archive all Internet activities including web surfing, Email contents, chatting contents by instant messengers, transferred files and so on.
  • Filter certain websites, emails, messengers and file transfers.
  • Block P2P software, online stream, Internet games, stock software and others.
  • Real time monitor of online messengers, web surfing, file transfers and all Internet links.
  • Various kinds of graphics statistics of chatting, web surfing, email...

Management information system- multiple choice questions with answers?

There are not any answers available on the internet for the information system multiple choice test. Someone who takes the course would have to review the study materials given by the teacher to prepare for the test.

Suppose a VPN server has multiple network cards from which network interface is an IP address assigned?

Each NIC will have it's own IP address for each network it's connected to. so a machine with 3 network cards has at least 3 IPs (one NIC can have multiple IPs if configured that way, you can also tell a NIC to not acquire an IP, but that's kind of uncommon) the VPN server could be configured to only listen on one network interface or all of them. Also the IP addresses assigned to the clients should route them on the NIC with matching IP/netmask, but that can also be configured. you probably want to use a static IP for the interfaces to your VPN server and configure it to only use the network interfaces that you want it to.

How do you configure a network printer to a home network?

It depends on the printer you have.

But basic instructions are to log into the default IP Address of your home network's router /modem. put the IP address into your printer and have the network access key.

Where can one find an offshore dedicated server?

A Dedicated Server is a type of Internet hosting in which the client leases an entire server not shared with anyone. This is more flexible than virtual private servers, as organizations have full control over the server(s), including choice of the operating system, hardware, etc.

Our Offshore Servers will provide our clients with a Secure and Private infrastructure to run online operations.We use industry best practices, the best data centers and ensure your server has the latest security patches.Offshore Dedicated Server from Sweden,is a great solution for any user need.

What is the term of warranty on a Netgear DG834G Router?

"These devices are popular among ISPs as they provide an all in one solution, which is great for home broadband users. The Netgear DG834G Router only has a 1 year warranty and it is wireles."

How expensive are server racks?

Prices for server racks vary considerably based on specifications. Some can be purchased for as little as $500 while more advanced ones may cost over $1500.

Where to download glomosim simulator?

Glomosim simulator project a popular simulation tool which is freely for education, research and developed from springer paper. Models of layers in Glomosim simulator. Glomosim network simulation environment.