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Problem
a) Distributed network architecture is whereby services are executed and distributed among various computers. Give two advantages and two disadvantages of the distributed architecture.
b) With the use of diagram(s), illustrate how the star topology is different to the bus topology.
c) The figure below shows a typical firewall connection. Why the use of a firewall is important.
d) Explain in details the importance of encryption and how encryption and decryption work. Use a diagram to illustrate your answer.
What are the standard types of files produced? A PDF file is universally recognized by the internet and is also a secure image, given that an electronic footprint remains when
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The Stack A procedure call is supported by a stack. So let's discuss stack in assembly. Stacks are 'Last In First Out' data structures and are used for storing return addresses
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Charles Babbage 'The grandfather of modern computer' had designed two computers: The Difference Engine: It was based on mathematical principle of finite differences and was us
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Disadvantage and Advantage of mutual-exclusion implementation with semaphores. Disadvantage: Mutual-exclusion solutions specified by semaphores require busy waiting. Tha
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