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Question:
a) A firewall will be classified according to which layer of the OSI model the protection is at. Using this classification, explain the different types of firewalls.
b) Why is a demilitarized zone (DMZ) used in a firewall configuration? Explain the most important characteristics of a DMZ.
c) Explain five different types of computer viruses. Show the most dangerous type and justify your choice.
d) Briefly explain the essential features Microsoft ISA Server. How does it works and how is it configured.
e) Describe why WEP is no longer secure for wireless networks nowadays. Give two techniques that will be used to overcome this problem.
f) Explian the following form of attacks and rate them in order of lowest to highest advantage gained by a cryptanalyst:
i. Known plaintext ii. Chosen ciphertext iii. Chosen plaintext
You are to create a decision table to help you decide what to do for the day. If it is a weekday and it is not a holiday, then you go to work. However, if it is a weekday and it
Question: (a) ‘Information Strategy involves the encompassing of an organisation's information requirements and information systems planning with its long-term objectives.' T
How many types of software organization? Explain each organization style with a suitable example? What are the factors that influence the group? Write short notes on the stak
Q. Define the Product metrics? (i) Product metrics: Explains the characteristics of the product such as complexity, size, design features, performance, efficiency, reliability,
Q. Show the Advantages of Total Quality Management? Improves reputation-problems and faults are sorted quicker and spotted (zero defects) Higher employee morale- wo
Explain Hybrid Testing? Ans) A mixture of top-down testing combined with bottom-up testing of prioritized or available components.
What are dynamic testing tools? Dynamic testing tools: 1: coverage analyzers (execution verifiers 2: output comparators 3: Test data generators: 4: Test file gen
What are the various types of system testing? 1. Recovery testing - is planned to check the system's ability to recover from failures. 2. Security testing - determines t
Q. Write a short note on structure chart? Structure Chart is a most important program design technique and shows all components of code in a hierarchical format. Structure
Distinguish between verification and validation. Verification is the set of activities that ensure that software properly implements a specific function. Validation is a differ
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