Data Communications 2 Test 11

Question 47. In the terminology of Electronic Data Interchange, a VAN is:-

a) The electronic equivalent of a delivery van, it carries the electronic data purchased.
b) A data communications protocol specified by the ANSI, American National Standards Institute.
c) A data communications network which provides additional services, in the case of an EDI VAN, these include store and forward massaging and security services.
d) All above items correct.

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Question 48. Which of the following is a group of EDI standard for data interchange?

a) ANSI X12.
b) CCITT (now ITU-T) X.12.
c) X.500.
d) ITU-T X.400.

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Question 49. SET is?

a) Secure EDI Transfer, that is a security protocol for EDI implemented by VANs.
b) Secure EFT/POS Terminal, a device for funds transfer.
c) Not a term in common use in data communications.
d) An acronym for Secure Electronic Transactions, that is, funds transfer over the Internet.

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Question 50. Why do Mastercard and Visa have such a large part to play in Internet Electronic Commerce?

a) Visa and Mastercard set the rules under which their credit card numbers can be used, they have by far the greatest share of the market for credit cards.
b) Visa and Mastercard have made agreements with Microsoft and IBM and they have by far the greatest share of the market for credit cards.
c) Visa and Mastercard are major shareholders in RSA DSI the patent holder of the RSA public key patent in the USA, RSA is the best public key algorithm for Internet security and they have by far the greatest share of the market for credit cards.
d) Visa and Mastercard have no special role to play, other firms are equally influential.

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Question 51. The relationship between the modern term Electronic Commerce (EC) and the older term Electronic Data Interchange (EDI) is:-

a) EC is Internet based, EDI uses non Internet private networks.
b) EDI is a form of EC.
c) EC and EDI are the same thing.
d) EDI is standardised, EC is not.

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