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WGU Foundations of Computer Science Sample Questions:

1. How can someone subset the last two rows and columns of a 2D NumPy array?

A) array[:, -2:]
B) array[-2:, -2:]
C) array[-1:, -1:]
D) array[-2:, :]

2. Which aspect of a security policy would define the ramifications of abusing company resources?

A) Data Retention Policy
B) Acceptable Use Policy
C) Network Security Policy
D) Physical Security Policy

3. Which statement describes the relationship between trees and graphs?

A) Trees can have unconnected nodes.
B) Trees do not have levels.
C) Trees can have cycles.
D) Trees cannot have cycles.

4. What is the time complexity of a binary search algorithm?

A) O(n^2)
B) O(2^n)
C) O(log n)
D) O(n)

5. Which method converts the default smallest-to-largest index order of a list to instead be the opposite?

A) invert()
B) reverse()
C) flip()
D) sortDescending()

Solutions: