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State the Nyquist theorem
The Nyquist theorem is thermo of mathematics and has nothing to deal with technology. It says that if you have the function whose Fourier spectrum does not contain any sines or cosines above f, then by sampling function at a frequency of 2f you capture all information there is. Therefore, the Nyquist theorem is true for all types' media.
Can you give an overview of the components in IPSec?
Network Problems Q1 Consider the single-sender CDMA example in Kurose & Ross. What would be the sender's output (for the 2 data bits shown), if the sender's CDMA code were (
Q. What are the main categories based on which applications of computer network will be categorized? Ans: The main areas under which the applications for computer network will
what are the main problems of signal propagation?why do radio waves not always follow a straight line?why is reflection both useful and harmful?
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When you move the NIC cards from one PC to another PC, does the MAC address gets transferred as well? Yes, that's because MAC addresses are hard-wired into the NIC circuitry, n
What are proxy servers and how do they protect computer networks? Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without i
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Ethernet Addressing Every station on the network must have a unique physical address Offered by a six-byte physical address encoded on the network interface card (NIC)
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