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Question:
a. State briefly three reasons why computer networks are used?
b. Differentiate between simplex, half-duplex and full-duplex mode of transmission.
c. State any three disadvantages of synchronous mode of transmission.
d. Fiber optic is the new form of bounded media. In this context:
a. Explain briefly any four characteristics of a fiber optic cable.
b. State three disadvantages it has over copper wire.
e. Demonstrate your understanding of the following:
a. LAN
b. WAN
Problem 1 . Show various features of a 1G network Total three features for each feature of 1G Problem 2. Describe how a cellular network works with functional block diagram
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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 (
Question requires you to submit a proposal based on the research report topic you will be addressing in the second assignment. Note: before commencing research on the topic, y
Evaluations, Assessment, and Maintenance of Risk Controls When the control strategy has been implemented, it should be monitored and measured on an ongoing basis to determine ef
Steganography It is a process of hiding information in use for a long time. Most popular modern version of this process hides information within files appearing to contain digit
on LAN,where are IP datagrams transported?
QUESTION (a) Illustrate the term file carving. (b) What are the basic three main techniques for image steganography? (c) Distinguish between vector graphics and raster
Problem (a) As a forensic investigator, you are needed to trace the source of an email. It is suspected that the email header has been forged. Show how you would proceed to
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