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Retransmission of packets
The disadvantage of thronging away a correctly received packet is that the subsequent retransmission of the packet might be lost or garbled and thus even more retransmission would be required.
Explain the concept of router-root path The mean router-router path is double the mean router-root path. Number levels of tree with root as 1 and the deepest level as n. The pa
Error Detection- 2D/LRC Adds an additional character (instead of a bit) A block of bits is prearranged in a table The Parity Bit for every data unit is calculate
What is the difference among TFTP and FTP application layer protocols? The Trivial File Transfer Protocol (TFTP) permits a local host to get files from a remote host but does n
As the system administrator, you type "ppp authentication chap pap secret". Name the authentication method is used first in setting up a session? Ans) the authentication method
Thus now you know how packets travel from one computer to another computer over the Internet. however what's in-between? What in fact makes up the Internet infrastructure or backbo
Can you define the method of demilitarized zone?
Simple Mail Transfer Protocoland Secure Sockets Layer SMTP: Simple Mail Transfer Protocol is a server-to-server protocol for delivering electronic mail. SSL: Secure Sockets
Explain what are the External Threats External security threats are the most problematic ones. Till date the greatest threat was the virus menace. Now, with the sophisticated
Write the Generic Name of the OSI Layer a) The figures below illustrate, side by side, the OSI 7-layer reference model and the Internet protocol stack. Inside each box represen
Define Co-axial cable. A solid central conductor surrounded by insulating material and then by a cylindrical shield woven from fine wires is called as co-axial cable. The shie
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