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What is ICMP? ICMP is Internet Control Message Protocol. It gives messaging and communication for protocols within the TCP/IP stacks. This is also the protocol that manages err
Q. What do you mean by Modems? Telephone Modems - A telephone line has a bandwidth of approximately 2400 Hz for data transmission
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Consider a signal x(t) = 10 cos(2πfct + 4 cos 2πfmt). Assume frequency modulation. The message frequency fm = 2:3 kHz. Calculate the modulation index and find the bandwidth when
No Retransmission This protocols will not through the correctly received packets but buffers than and send acknowledgment for those packets. Thus retransmission of th
COMPUTER NETWORKS 1. What do you mean by open system? What is the purpose of OSI model? Explain the layered architecture of OSI model. 2. Define the following terms: a) Ana
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 receiver
Determine about the Complete and proper security Complete and proper security configuration and administration is indeed a complex issue. One should think carefully about the
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
Can you describe TCP header in detail?
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