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Describe about the noiseless channel
A noiseless channel can transmit an arbitrarily large amount of information, no matter how frequently it is sampled. Just send a lot of data per sample. For 4kHz channel, make 8000 samples/sec. If each sample is 16 bits, channel can transmit 128 kbps. If each sample is 1024 bits, channel can send 8.2Mbps. The key word here is ''noiseless 'keyword. With a normal 4 kHz channel, the Shannon limit will not allow this.
Difference between Unicast and Anycast Unicast: An identifier for a single interface. A packet sent to a unicast address is delivered to the interface identified by that addres
A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the
Can you define PAP?
It consists of the communication stacks, distributed directories, authentication services, network time, RPC, Queuing services along with the network OS extensions like the distrib
Two broad classes of middleware are a) General middleware b) Service-specific middleware.
Interconnection Network An interconnection network is designed for transferring data between two processors in a Multi-stage network. Memory bottleneck is a fundamental limitat
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
Describe IP datagram fragmentation and MTU
Assuming that TCP Reno is used, consider the following diagram illustrating the behaviour of congestion window, and answer the questions below. a) What was the value of sl
An ATM network is created from interconnected ATM switches. The attachment ports or points can be connected to computers or other ATM switches. As cells reach at an ATM switch, the
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