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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

Why star topology is the best topology for school?

A school would have a large network enterprise. A lot of students and staff members would be trying to use the network from all over the school. A database would be recommended to be in the center of the enterprise for easier access for users.

Describe the process of working with an external domain name?

If you host Web sites on this server and have a standalone DNS server acting as a primary (master) name server for your sites, you may want to set up your control panel's DNS server to function as a secondary (slave) name server: To make the control panel's DNS server act as a secondary name server: # Go to Domains >domain name > DNS Settings (in the Web Sitegroup). # Click Switch DNS Service Mode. # Specify the IP address of the primary (master) DNS server. # Click Add. # Repeat steps from 1 to 5 for each Web site that needs to have a secondary name server on this machine. To make the control panel's DNS server act as a primary for a zone: # Go to Domains >domain name > DNS Settings (in the Web Sitegroup). # Click Switch DNS Service Mode. The original resource records for the zone will be restored. If you host Web sites on this server and rely entirely on other machines to perform the Domain Name Service for your sites (there are two external name servers - a primary and a secondary), switch off the control panel's DNS service for each site served by external name servers. To switch off the control panel's DNS service for a site served by an external name server: # Go to Domains > domain name > DNS Settings (in the Web Site group). # Click Switch Off the DNS Service in the Tools group. Turning the DNS service off for the zone will refresh the screen, so that only a list of name servers remains. Note: The listed name server records have no effect on the system. They are only presented on the screen as clickable links to give you a chance to validate the configuration of the zone maintained on the external authoritative name servers. # Repeat the steps from 1 to 3 to switch off the local domain name service for each site served by external name servers. If you wish to validate the configuration of a zone maintained on authoritative name servers: # Go to Domains > domain name > DNS Settings (in the Web Site group). # Add to the list the entries pointing to the appropriate name servers that are authoritative for the zone: click Add, specify a name server, and click OK. Repeat this for each name server you would like to test. The records will appear in the list. # Click the records that you have just created. Parallels Plesk Panel will retrieve the zone file from a remote name server and check the resource records to make sure that domain's resources are properly resolved. The results will be interpreted and displayed on the screen.

What is a characteristic of UDP?

Connectionless connection ie Computer A does not care if computer B receives the Packet of data or not, Computer A simply sends the packet to computer B.

Extended passive mode?

This is one of the modes a file transfer protocol (FTP) works. Inextended passive mode, the FTP server operates exactly the same as passive mode, however it only transmits the port number (not broken into high and low bytes) and the client is to assume that it connects to the same IP address that was originally connected to

This is defined in RFC 2428. One has to check the compatibility of both client and server while using this mode. It may be possible that some servers mandate the use of Extended Passive Mode (EPSV) in place of old Passive Mode (PASV). On the other hand, the clients may not provide EPSV mode feature.

What is a hybrid hub?

A hybrid hub supports multiple cable types and can be used to support client with different cable types.

Other meaning of duplex?

I will assume you mean with a house, which means that there are two different family dwellings in side of one house, usually one on each side.

What is stp server?

STP stands for Server Time Protocol. The actual name is SMTP which is Simple Mail Transfer Protocol. STMP has the ability to send mail from one server to another server.

If someone is using your unsecured wireless network will the material they view on their computer be left on your computer example porn or is my son lying?

The content of Web traffic is at best saved in your history and/or cookies. If someone were using your unsecured wireless access point (which is an extremely bad idea by the way) and someone was tracking traffic to and from your machine, they might be able to intercept packets and figure out where yo were and/or what you were doing on the web. in other words.....your son is lying.

Is a network cable a type of novell?

Novell provides network operating systems and not cables.

Application of wireless sensor networks in precision agriculture?

To know the present climatic condition.useful in green house, water can be supplied to fields in accordance with neccesity

What is Putty in networking?

Putty is a small program that is used to connect to a server using SSH or Telnet protocols. Available for Windows and Unix platforms.

See Related Links for the Putty home page.

What are the steps to checking the ip address and defualt gateway on a computer?

From Windows (98/Me/XP/Vista/7), click on the Start button/icon, Chose 'Run', then enter 'cmd'. You will get to a command prompt window. Enter 'ipconfig'. The result will be the IP address and default gateway of each working network card. You can also enter 'ipconfig /all' to get more detailed information.

From Linux (almost all flavors), from a terminal window enter 'ifconfig -a'. This will give detailed information for all network cards, including IP address and default gateway.

How do you know the both sender and recevier the encryption key?

When data is received by the receiver , receiver send an acknowledgement. After receiving the acknowledgement from receiver , senders knows the message has been successfully sent.

What is the role of the Master Browser in a peer to peer network?

when you run Windows in a peer-to-peer workgroup, one of the systems is responsible for compiling a list of all the systems in the workgroup that have resources to share and for displaying that list in Network Neighborhood/My Network Places. This particular system is called the master browser and is chosen for the role by winning the browser service election.

Which IP address is reserved for Automatic private ip addressing?

I think you're thinking of the protocol used to automatically assign IP addresses? An IP address does not assign an IP address, and IP address is a node on a network where data can be sent or received. The protocol used for automatic assigning of IP addresses would be DHCP (Dynamic Host Configuration Protocol).

Why counselor and client do not have any other relation?

A cousellor and a client do not have any relation because it would often create a bias. This is true of legal counselors who have a personal bias in a case if they know the client they're defending.