A small business owner is sceptical about online transactions. She is worried that information may be stolen in transmission or that the party on the other end may be a bogus one. Also, she is worried about the security of financial transactions online. What can be done to allay those fears?
What will be an ideal response?
She could use encryption and digital certificate technologies. The data can be encrypted before transmission. Only the intended recipient of the transmission will be able to decrypt and use it. In addition, she could sign up to use digital certification service to ensure the authenticity of the other party. The standards for processing financial transactions quite strict enough to ensure safeguarding the interests of the card issuer, the carholder and the merchant.
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Answer the following statements true (T) or false (F)
1. A programmer must have the source code for libraries to extend them, even using inheritance. 2. The programmer only needs the interface, including the type definition to create derived classes to extend an existing library. 3. If class D is derived from class B, we speak of D as the derived class and B as the base class. 4. If class D is derived from class B, then we say that class D inherits from class B. 5. If class D is derived from class B then class D has only some of the members from B, and the additional members defined in D.
Positive feedback can be misleading __________.
a) When a resource has excess capacity because another resource with which it cooperates is a bottleneck. b) When a resource has excess capacity because the system is sending requests to other equivalent resources, all of which are overloaded. c) When a resource must remain idle for quick responses to critical requests. d) When a resource has a small (or zero) queue length, but is slowly servicing requests.
Percent for new value is calculated using this formula:
A) base * percent for new value. B) base / percent for new value. C) base percent + percent of increase. D) base percent * percent of increase.
Simplifies data entry by providing literal characters that are typed for every entry.
What will be an ideal response?