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Question 1:
(a) Differentiate between symmetric and asymmetric encryption system.
(b) Describe how a digital signature is created.
(c) Explain briefly what SSL (secure socket layer) is and how it can be applied to e_banking services to ensure security.
(d) Explain the steps involved in a SET(Secure Electronic Transaction.
(e) In cryptography explain the following: (i) Authentication. (ii) Non-repudiation. (iii) Confidentiality. (iv) Integrity.
Question 2:
(a) Outline the main difference between a credit card and a debit card as a payment instrument.
(b) Outline the role of the credit card Gateway and list down the steps involved when payment is processed via the payment gateway.
(c) Outline briefly how biometric systems work and give four examples of biometric measurements that can be used to identify a person.
(d) Outline the importance of backup, recovery and business continuity procedures in an e_banking environment.
(e) Outline briefly the following electronic payment methods:
(i) E_Wallet. (ii) Smart Card.
CRC can detect the following errors better than check sums. a) Vertical errors b) Burst errors a) VERTICAL ERRORS: This kind of error happens due to a hardware fai
Sometimes the special character may see in data and as a part of data they will be misinterpreted as packet data. The solution to this cause is Byte stuffing. In general to
Short term Scheduler function , also shown as a dispatcher runs most frequently, and creates the finest-grained decision of which program could run next. This scheduler is called
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(a) Draw the waveform for an asynchronous transmission with the given specifications: 8 data bits with value 11010001 (LSB listed first here), one parity bit (even), one star
QUESTION (a) Describe the two possible configurations for 3DES (b) What is the main disadvantage of 3DES? (c) Why are most modern symmetric algorithm block ciphers? (d
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You are designing a Demilitarized zone for a large corporation. Using design best practice, and the information that you have learned so far, propose a design that will provide the
(a) Describe the principal characteristics of associative memory networks? (b) Name the two basic types of associative memories and the differences between them. (c) Give an
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