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Free PDF Quiz 2025 WGU Scripting-and-Programming-Foundations: WGU Scripting and Programming Foundations Exam Accurate Test Practice
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WGU Scripting and Programming Foundations Exam Sample Questions (Q137-Q142):
NEW QUESTION # 137
A program adds a service fee to the total cost of concert tickets when the tickets are printed and mailed to customers. Another service fee is also added if the tickets are delivered overnight. Which control structure should be used?
- A. While loop
- B. Multiple if statements
- C. Do-while loop
- D. If statement
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The program applies service fees based on two independent conditions: (1) if tickets are printed and mailed, and (2) if tickets are delivered overnight. According to foundational programming principles, multiple independent conditions are best handled by separate if statements, as each fee is applied conditionally and does not require iteration.
* Option A: "While loop." This is incorrect. A while loop is used for repeated execution, but applying fees is a one-time decision per ticket order, not a repetitive task.
* Option B: "Do-while loop." This is incorrect. A do-while loop guarantees at least one iteration, which is unnecessary here, as the fee application is a single check.
* Option C: "If statement." This is incorrect. A single if statement can handle one condition, but two independent conditions (mailed and overnight) require separate checks.
* Option D: "Multiple if statements." This is correct. Two if statements can independently check each condition and add the corresponding fee. For example, in Python:
total = ticket_cost
if mailed:
total += mail_fee
if overnight:
total += overnight_fee
Certiport Scripting and Programming Foundations Study Guide (Section on Control Structures: Conditionals).
Python Documentation: "If Statements" (https://docs.python.org/3/tutorial/controlflow.html#if-statements).
W3Schools: "C If Statement" (https://www.w3schools.com/c/c_if_else.php).
NEW QUESTION # 138
A program steps through an array and adds up all the numbers stored in the array. What is the appropriate individual control structure that should be used?
- A. Nested for loops
- B. Multiple if statements
- C. One for loop
- D. One while loop
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
To sum all numbers in an array, the program must iterate through each element exactly once and add it to a running total. According to foundational programming principles (e.g., Certiport Scripting and Programming Foundations Study Guide), a for loop is the most appropriate control structure for iterating over a known sequence like an array.
* Task Analysis:
* Input: An array of numbers (e.g., [1, 2, 3]).
* Operation: Iterate through each element and add to a sum (e.g., 1 + 2 + 3 = 6).
* A single loop is sufficient, as the task involves a single pass through the array.
* Option A: "One while loop." This is incorrect. While a while loop can iterate through an array (e.g., using an index variable), it requires manual index management (e.g., i = 0; while i < length), making it less concise and more error-prone than a for loop for this task.
* Option B: "Nested for loops." This is incorrect. Nested loops are used for multi-dimensional arrays or multiple iterations (e.g., matrix operations), but summing a single array requires only one loop.
* Option C: "Multiple if statements." This is incorrect. If statements are for conditional logic, not iteration. They cannot traverse an array to sum elements.
* Option D: "One for loop." This is correct. A for loop is ideal for iterating over an array's elements. For example, in Python:
numbers = [1, 2, 3]
total = 0
for num in numbers:
total += num
Or in C:
c
int numbers[] = {1, 2, 3};
int total = 0;
for (int i = 0; i < 3; i++) {
total += numbers[i];
}
Certiport Scripting and Programming Foundations Study Guide (Section on Control Structures: Loops).
Python Documentation: "For Statements" (https://docs.python.org/3/tutorial/controlflow.html#for-statements).
W3Schools: "C For Loop" (https://www.w3schools.com/c/c_for_loop.php).
NEW QUESTION # 139
Which two operators can be used for checking divisibility of a number?
Choose 2 answers.
- A. *
- B.
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