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DNS Working
While discussing about the working of the DNS, there are many things which need to consider and play Avery significant role. This can the type of communication between the systems, protocol used type of request etc. DNS which is simply stands of rate Domain Name server, the name itself reflects the working of the system. IT translates the domain name for the requested urn of can say the IP address. As on Internet, every machines, whether it u a client or server is identified with the unique address which is neither identical not common. This unique address also known as the Internet Protocol address of simply the IP address enables the DNS to locate the desired pages form the n number of servers or sites. The Ip address is generally 16 bit or 32 bit address, which again almost next to impossible of the human to remember ip address of all the desired websites. This facility is generally offered by the DNS to the humans. This is the major task which is performed by the DNS.
CSMA/CD - A Simple Definition A network station wishing to broadcast will first check the cable plant to make sure that no other station is currently transmit
Q. What do you mean by Flow Control? - How much data sender is capable to transmit before receiving the ACK - Why flow control? - Limitation with receiver 1. Processin
What is Daemon A daemon is a UNIX background process that implements the server side of a protocol. Daemons are unique to UNIX. For example, FTP stands for the File Transfer
Q. Straight through Lan Cable ? Straight through Cable - Maintain the pin connection each the way through the cable. - The wire connected to pin 1 is the similar on bo
Token Passing Station is able to send only when it receives a special frame called a token Token circulates around the ring If station wishes to sen
Q. Example on Multiplicative Decrease? w = 1 for (each new ACK received) w = w+1 until (loss detected or w >= ssthresh) Not so slow - Exponential increase
Q. Explain about Virtual Circuit Switching? Virtual Circuit Switching - All packets belong to a message (or) session is preserved. - Single route is selected between s
FCS= Frame Check Sequence CRC (Cyclic Redundancy Check) algorithm runs in switch that known as FCS (Frame Check Sequence)
a) Which of the well-known Internet applications uses a separate TCP connection for control? b) The separate control connection as in (a) above is an example of control (sig
Q. Show the Flow characteristics? Flow characteristics Reliability - if lacking means that packets or ACKs are lost - more important with FTP, SMTP than with audio
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