easyMultiple ChoiceObjective-mapped
FC0-U71 Practice Question: Refer to the exhibit
Network Topology
Refer to the exhibit. A user executes: SELECT AVG(Salary) FROM Employees; What is the result?
⚠ Common exam trap
Watch out — candidates often confuse AVG with SUM or MIN/MAX, leading them to pick the sum (165000) or an extreme value (50000 or 60000) instead of correctly computing the mean.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
55000
The AVG function calculates the arithmetic mean of the Salary column across all rows in the Employees table. Given the salaries 50000, 60000, and 55000, the average is (50000 + 60000 + 55000) / 3 = 55000. Therefore, option A is correct.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
55000
Why this is correct
The average is (50000+60000+55000)/3 = 55000.
- ✗
50000
Why it's wrong here
50000 is the minimum salary.
- ✗
165000
Why it's wrong here
165000 is the sum, not the average.
- ✗
60000
Why it's wrong here
60000 is the maximum salary.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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