All of the following are concerns about surface websites except ______ .
A. they are readily available
B. they are not permanent sources of information
C. they have not been peer reviewed
D. they have not been evaluated
Answer: A
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What is stored in the header node in the red-black tree?
a. A key of negative infinity b. A right pointer that points to the real root c. A left pointer that points to the real root d. (a) and (b) e. all three of (a), (b), and (c)
If two classes have an IS_A relationship, we should use:
A. composition B. polymorphism C. inheritance D. static binding
Using a ____ view of the project can make entering many details for a single task easier.
A. Gantt Chart B. Form C. Network Diagram D. Calendar
The ____ aggregate function determines the average of the field values for records meeting the criteria in each group.
A. Var B. Average C. Aggregate D. Avg