Free IIBA CBDA Exam Questions

Become IIBA Certified with updated CBDA exam questions and correct answers

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Total 152 Questions | Updated On: Apr 22, 2026

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Question 1

There were 7 students enrolled in the Introduction to Artificial Intelligence course. These were the student's scores from the final exam: 64, 70, 80, 80, 90, 98, 100 What is the mean and mode for the outlined scores?

A : 83.14, 80

B : 79.84, 81.40

C : 80,80

D : 80, 83.14

Answer: A

Question 2

An analytics team employed at a leading credit card company is utilizing data analytics to identify unusual credit card purchases. They have created the following visual. How many extreme outliers exists in this dataset?

A : 0

B : 5

C : 3

D : 2

Answer: C

Question 3

The results for a certification exam were revealed in percentage and percentile. How would you infer the results for an attendee at: 75%, 90th percentile?

A : While the attendee's exam score was 90/100. the attendee did better than 75% of the attendees

B : While the attendee's exam score was 90/100. the attendee did better than 25% of the attendees

C : While the attendee's exam score was 75/100. the attendee did better than 10% of the attendees

D : While the attendee's exam score was 75/100. the attendee did better than 90% of the attendees

Answer: D

Question 4

An analyst is using a Data Flow Diagram (DFD) to depict the flow of data across a data security company. Which of the following is true about DFDs?

A : Can be categorized as Logical or Physical

B : Can illustrate a sequence of activities

C : Provide similar information as process flows

D : Are used to model data attributes

Answer: A

Question 5

A new dataset describing employee salaries is received by a company. A colleague wonders whether a variable follows a Gaussian distribution. Which of the following plots would demonstrate this?

A : Normal probability plot

B : Scatterplot

C : Boxplot

D : Lowess curve

Answer: A

Page: 1 / 31

Total 152 Questions | Updated On: Apr 22, 2026

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