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(a) Illustrate what you understand by Nyquist Capacity Theorem?
(b) Consider we wish to transmit at a rate of 64 kbps over a 4 kHz noisy but error-free channel. What is the minimum SNR in dB required to accomplish this?
(c) How is the rate improved if we double the bandwidth?
(d) How is the rate improved if we double S/N?
(e) Now Consider that the above uses QPSK modulation becomes error-prone, what is the minimum signal power that is needed to sustain a data rate of 64 kbps with a BER of 10-5 at 25 degrees Celsius?
To master the complexity one must apply the given points. CONCENTRATE IN UNDERSTANDING THE CONCEPTS: Instead of details of wires used to connect computers to a specif
Question: (a) Which type of attacker represents the most likely and most damaging risk to your network? (b) What is the basic reason that social engineering attacks succeed?
B a s i c functions of e-mail system are given as follows: C o mp o sition refers to the procedure of creating messages and the answers. Though any text editor can be
You are free to design the format and structure of the routing table kept locally by each node and exchanged among neighboring nodes. 1. Upon the activation of the program, each
I have an assignment of Computer Security to submit. Will you guys help me making my assignment???
Using the selected approach, you should then conduct an audit or review of the information security issues associated with the use of computing facility and report on the findings.
Explain the architecture of ISDN.....?
(a) Mention the five main security services. (b) What is a passive attack? Give an example of passive attack? (c) What four types of active attacks and mention their respecti
Proof that the sender forwards the message. It also prohibits the author of the code from falsely denying that he forward the message. This is achieved by record using the exact ti
All references using actual quotes, paraphrase, or specific arguments, should employ page numbers. The essay is based on the unit content and should engage with the set readings, a
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