What is a firewall, Computer Network Security

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QUESTION

(a) Define and distinguish between Electronic Commerce and Electronic Business

(b) According to you what are the benefits that Electronic Commerce can brings to organizations?

(c) What are at present the non-technical limitations of Electronic Commerce?

(d) (i) What is a firewall?

(ii) List the basic types of firewalls and briefly describe each.

(e) Explain the term "Intranet", and explain how a firewall can be used to protect an intranet connected to the public internet

(f) (i) What do you understand by e-tailing?

(ii) List 2 advantages and 2 disadvantages of e-tailing


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