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Error Detecting Code - Parity bit:
The general idea for achieving error detection and correction is to add some redundancy (i.e., some extra data) to a message, which receivers can use to check consistency of the delivered message, and to recover data determined to be erroneous. An error-detection scheme may be combined with a system for retransmissions of erroneous data
A parity bit is a bit that is added to a group of source bits to ensure that the number of set bits (i.e., bits with value 1) in the outcome is even or odd. It is a very simple scheme that can be used to detect single error in the output.
Fig. Transmit data using a parity bit
(i) Suppose N stations are connected to an extended Ethernet LAN, as shown below shown in Figure operating at the rate of 10 Mbps. Assume that the efficiency of each Ethernet is 8
Define Routing? The process of determining systematically hoe to forward messages toward the destination nodes based on its address is known as routing.
A communications channel is pathways over which information can be communicate. It may be described by a physical wire that connects communicating devices, or by a radio, laser, or
Split Horizon - If you attain a protocol's route on an interface, do not send information about that route back out that interface.
Internet Protocols Control Protocols ( IPCP) The internet protocols control protocols establishes configures and terminates the TCP/ IP network protocols layer in a PPP
bit stuffing program in python
What is Feasibility condition (FC)?
WHAT IS NETWORK???
a) A host is sending a HTTP request to a HTTP server. In the table below, propose a correct set of source and destination port numbers for segments sent from host to server and fr
What is Medium Access Control of Ethernet? The set of rules which make sure that each node in an Ethernet gets a fair amount of frame transmission opportunity, are known as the
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