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Question 1
a) Provide three advantages of using optical fiber. b) Distinguish between "Direct Sequence Modulation" and "Frequency Hopping" c) Decribe the purpose of using "Straight-Through" cable and "Cross-over" cable. d) Briefly explain the role of the "session and transport layer" of the OSI.
Question 2
a) The IP gives a number of core functions and associated procedures to carry out the several harmonizing functions. What are three main functions of IP, provide a brief description about each function. b) i) Describe what Network Address Translation (NAT) is? ii) Why is NAT used? c) Give three advantages and three disadvantages of NAT. d) Which TCP/IP utility will be used to evaluate the path taken by messages from workstation to a destination?
INTRODUCTION TO CRYPTOGRAPHY Cryptography The word cryptography is derived from Greek words kryptos, which means hidden and graphein, meaning to write, this is the process of
(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 mini
What is information Information comprises the meanings and interpretations which people place upon the facts, or data. The value of information springs from the ways it can be i
INFORMATION CLASSIFICATION The classification of information is an important aspect of policy and a control for the information protection. A clean desk policy stipulates that a
Base lining • Organizations do not have any contact to each other • No two organizations are identical to each other • The best practices are a moving target • K
project on ensuring data securities on cloud computing
QUESTION (a) Compare and contrast phishing and pharming attacks (b) Nowadays, web defacement may not always be visual (i) Explain web defacement (ii) What is the main
The Role of the Investigation The first phase, investigation is the most significant. What problem is the system being developed to solve? During investigation phase, objectives
Question: a) What do you meant by Privacy? b) Name the four privacy violations. c) Often, aggregate information and anonymized information can be combined to identif
What are the main differences between TCP/IP vs OSI?
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