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a) Differentiate between encryption and decryption.
b) Explain how cryptography works.
c) List down three examples of symmetric key algorithms and two examples of asymmetric encryption algorithms.
d) Explain using suitable illustrations where necessary how asymmetric public key encryption ensures both confidentiality and authenticity.
e) Explain the role of the following players in a Public Key Infrastructure (PKI)
(i) Certification authority (ii) Certificate holder (iii) Relying party
VALUE OF INFORMATION SERVICES: At the outset, it must be emphasised that there is no consensus of opinion among information scientists and professionals regarding the "concept
Question 1: (a) Define the term "value". (b) Distinguish between functional value and emotional value. Illustrate by using relevant examples. (c) How can functional an
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Question: (a) IT Service Support within the ITIL framework is divided in a number of processes. Compare and contrast the following processes: i. Incident Management and Prob
Card Form: Library catalogue in the card form is by far the most popular physical form. It is widely prevalent in libraries throughout the world including India. In this form
Name Catalogue: A name catalogue is a variation and extension of an author catalogue. It contains entries for works of an author and also for books written on him. All entries
Product standards Product standards bring about a high quality of products. The customer needs continuous assurance of the credibility of a product for sustained relationship w
Some detailed important do's and don'ts while conducting negotiations are given hereunder. Do's: Know your authority as a negotiator and that of your counterpart.
INFORMATION CENTRES AND DATABASES: A, organisation selects, acquires, stores, organises a--retrieves specific documents to meet users' requirements, (ii) announces, abstr
Subject Catalogue : In an alphabetical subject catalogue, entries are made under the name of the specific subjects of documents. Irrespective of their affiliations, specific s
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