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Question:
a) (i) Describe the entire process of credit card processing, identifying the different steps and parties involved.
(ii) What are the roles of the acquiring bank and the issuing bank in the credit card payment system?
b) (i) Outline the main differences between a credit card and a charge card.
(ii) What is money laundering and how is money laundered?
c) (i) E-money or e-cash is a generic name given to the concept of currency which is digitally signed by an issuing institution through a private encryption key and is transmitted to an individual. Explain how e-money works?
(ii) What are the advantages of using e-money over a credit card?
DLCI stands for Data Link Connection Identifier. It identifies the local PVC.
Q. Show the Go-back-N - Control Variables? - S- holds the series number of the recently sent frame - SF - holds sequence number of the first frame in the window - SL - ho
Question: a) What is a Linux shell? b) Prepare the commands for the following tasks: i) Change the working directory ii) Show the working directory iii) Execute a pro
UNIX For Multiprocessor System:- The UNIX operating system for a multiprocessor system has a number of additional features as compared to the normal UNIX operating system. Let
Reliable data transfer over a channel bit error rdt : 20 A more realist model of the underlying channel is one in which bits in packet may be computed. Such bit erro
Sonet Frame Transaction Transmitted one subsequent to another without any gap in between. First 2 bytes - alignment bytes. F628 in Hex. - define the beginning of every
Q. Define RS232 Interface? - Indicates the interface between DTE and DCE: V.28 mechanical as well as electrical characteristics V.24: functional as well as procedur
Compare Error Detection and Error Correction: The correction of errors is more difficult than the detection. In error detection, checks only any error has happened. In error co
Ethernet Frame Format Consists of seven fields There is No mechanism for acknowledging received frames considered an unreliable medium
In formation sharing at regular intervals For example every 30 seconds each router sends its information about the whole network to its neighbours. This sharing occurs
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