A digital signature can provide which of the following benefits?
A. data integrity
B. data availability
C. data redundancy
D. data encryption
Answer: A
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Problems using switch logic to deal with many objects of different types do not include:
a. Forgetting to include an object in one of the cases. b. Having to update the switch statement whenever a new type of object is added. c. Having to track down every switch statement to do an update of object types. d. Not being able to implement separate functions on different objects.
Users can connect to Facebook over the Internet, via Internet Explorer or some other web browser, or from a smartphone or other mobile device
Indicate whether the statement is true or false
Which of the following is true regarding case code blocks?
A. If more than one expression evaluates as true, both of its associated statements are executed B. If more than one expression evaluates as true, the last matching expression is evaluated C. The first expression that evaluates as true is executed and the rest of the statements are skipped D. None of the above
An action query is useful when an end user is required to enter the same information into many records.
Answer the following statement true (T) or false (F)