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Question:
(a) What is the use of digital certificate?
(b) What is meant by a hierarchical trust model in a Public Key Infrastructure? How does the Pretty Good Privacy (PGP) model of trust differ from this? Illustrate your answer with diagrams. Why is it important that PGP certificates allow multiple signers?
(c) What do you understand by certificate revocation? Give two instances when a certificate needs to be revoked. How does the public key infrastructure handle revocation?
(d) As a web user, how can you tell if the site you are communicating with is using SSL security?
(e) Explain how the dual signature used in the Secure Electronic Transaction (SET) protocol allows privacy, that is, the merchant can see only the order information and the bank can access only the payment information.
(f) Why is the 3-D secure protocol more secure than SET?
Describe the salient features of the multimedia. Also explain the applications of it. Multimedia can be understood as follows: Multimedia is on the whole a media which makes
Da t a compre s sion and the trans p ort s e rvices, The main purpose of the transport layer is to provide services which are efficient, reliable and cost-effecti
Transposition technique
Bridges perform both in the data link layers and physical of LANs of same kind. They split a bigger network in to smaller segments. They have logic that accept them to store the
Question: a) You are using Active Directory Users under Windows Server 2003 and Computers to configure user objects in your domain, and you are able to change the address and
Question 1: (a) With the help of a diagram show the basic structure of a computer system. (b) Explain as fully as you can each of the parts mentioned above. (c) What are
Convert (111011)2 to ( )10
I need a help on how to write good assignment on the above topic
Problem a) Give three reasons why traditional Network Design approach is less appropriate for many of today's networks? b) The network requires of users are organized into m
BUSINESS NEEDS Information security performs four main functions for an organization. 1. Protects the ability of organization to function. 2. Enables safe operation of applicat
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