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STAR TOPOLOGY
In this topology, all devices are attached to a central point, which is sometimes known as the "Hub" as given in the diagram below.
Figure: An idealized star network
It is very important to show that these networks are not physically like stars but they are seems like stars. It defines that their shape does not seems like a star but their connections are just same as a star. The above figure is idealized. Here is given a star network in practice in the diagram below:
(a) Explain the two possible configuration for 3DES. (b) What is the main disadvantage of 3DES? (c) Why are most modern symmetric algorithm block ciphers? (d) Describe
ENCAPSULATION Network interface layer adds IP datagram as data area in hardware frame. Hardware ignores IP datagram message format. Standards for encapsulation defines details
Question (a) For the bit stream 010011, show the waveforms for each of the code indicated. Consider that the signal level for NRZ-L for mark is positive; the signal level for t
for making the assignment
how can you enter the ASVAB practice test on line?
RISK ASSESSMENT Risk assessment is a step in a risk management technique. Risk assessment is the determination of quantitative or qualitative value of risk related to a concrete
Question 1 a) Explain how CSMA/CD works. b) Describe the term "exponential back-off". c) Describe the differences between "circuit switching" and "packet switching". d) Th
ROUTING TABLES AND ADDRESS MASKS Additional information is saved in routing table. Destination is kept as network address. Next hop is saved as IP address of router. Address m
SHIFT OPERATION: This operation replaced all bits to the left one position. For example in the diagram below a 16-bit CRC hardware is given, which needs three Exclusive OR (
UDP DATAGRAM FORMAT: It is given in the figure below:
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