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Question:
(a) For the bit stream 010011, sketch the waveforms for each of the code indicated.
Assume the following: the signal level for the previous bit for NRZI was a 1 and was positive; the most recent preceding 1 bit (AMI) had a negative voltage; and the most recent preceding 0 bit (pseudoternary) had a negative voltage. (Let 0 be positive for NRZ-L)
(b) Describe fully how you can use a (11/7) Hamming code to:
(i) detect and;
(ii) correct by giving the correct transmitted character;
if an incorrect codeword representing character "K" is received:
(ASCII value of "K" is 75)
(c) Describe the procedure known as byte stuffing. Explain why and when it is used and how it actually works.
COMPONENTS OF AN INFORMATION SYSTEM The components of an information system are software, data, hardware, people, procedures and Networks. These 6 components are critical to ena
FRAGMENT IDENTIFICATION: IDENT field in every fragment matches IDENT field in real datagram. Fragments from different datagrams may arrive out of order and still be saved out.
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Question: (a) What are the various options to mitigate risks in an Information Security Management System (ISMS)? For each option specify an instance where it can be used.
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
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