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Problem:
a) Explain what you understand by the term brute force attack, giving an example of such an attack
b) Briefly outline the concept of Caesar cipher and identify any associated weaknesses.
c) Explain what you understand by encryption/decryption and state on what two things the security of encrypted data is entirely dependent.
d) Explain briefly what SSL (Secure Socket Layer) is and how it can be applied to e-banking services to ensure security?
e) Briefly explain what a Digital Certificate is and how it is used in conjunction with PKI (Public Key Infrastructure)?
f) Explain how asymmetric key encryption ensures both confidentiality and authenticity.
Problem: (a) Distinguish between a virus, a worm, and a Trojan horse. (b) A computer can be a target of a crime or an instrument of a crime. State three examples of each.
Information Networks Information networks in the broadest sense can be any formalised system of information exchange. But, in modern information networks, technology is utili
KWIC (Key Word in Context) Index A KWIC index is the most common type of natural language indexes. It has become popular because it is straight-forward and relatively easier
Ch 17 problem 17.11 What difference does it make to the Var calculated in Example 17.2 if the exponentially weighted moving average model is used to assign weights to scenarios as
It is a case study The ChoicePoint Attack ChoicePoint, a Georgia-based corporation, provides risk-management and fraud-prevention data. Traditionally, ChoicePoint provided motor
We spent some time talking about data, especially through the number of articles from the Economist, including "Data, data everywhere",: • All too much • A different game • Clic
List of secondary source of information while pursuing market research.
Provide an example of "Politics of Information" and how it can be used to facilitate organizational purposes? (Or in some instances, hinder them?)
Database In any computer-based IR System, the database is on a machine readable media such as magnetic tapes, or magnetic discs. The database could be created either by key bo
Publishing agencies fall under three broad categories: i) Trade Publishing Houses /Companies, Booksellers and Others; they publish books of all varieties; periodic
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