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Describe shor note on Physical layer?
Two neighbouring nodes (A and B) use a Go-Back-N protocol with a 3-bit sequence number and a window size of 4. Acknowledgments are cumulative. Assuming A is transmitting and B is r
What is Redundancy? The method of including extra information in the transmission solely for the purpose of comparison. This technique is known as redundancy.
Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
Q. Explain about Bandwidth – delay product? Bandwidth - delay product - A measure of competence of ARQ system = bandwidth (bits per second) * round-trip delay (in seco
Functions and features of the IPMonitor program are as follows: a) This program should be able to list out detail information of IP traffic which includes source IP address an
Application Layer The application layer is where network applications and their application layer protocols reside. The internet application layer includes many protocols
What metrics are used by routing protocols to verify the best path?
What is horizontal and vertical parity A single error can cause both horizontal and vertical parity checks to be wrong. Two errors can also be easily detected. If they are not
State about the Bus Topology Comments 1 - Requires less cabling than a star network 2 - If there is a central cable problem entire netwo. rk goes down 3 - Less e
Electronic Mail One of the most popular internet services is electronic mail ( e mail). At the beginning of the internet era teh message sent by electronic mail were sh
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