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Which of the following is a disadvantage of an online storefront?

A.

Specialized hardware requirements

B.

High software costs

C.

Difficulty of administration

D.

Lack of control over security

Denying that a payment transaction took place is known as:

A.

nonrepudiation.

B.

negative authentication.

C.

poor data integrity.

D.

repudiation.

Which of the following statements about Secure Electronic Transactions (SET) is correct?

A.

SET was designed to replace SSL.

B.

The SET protocol has gained wide market acceptance.

C.

Four protocols were merged to form SET.

D.

With SET, the merchant does not know the user account number.