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Python Institute PCAD-31-02 Exam Syllabus Topics:

Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions:

Question 1

Which refinements are typically used to enhance clarity and presentation quality in visualizations?
(Choose two)

A. Adding descriptive axis labels
B. Avoiding color entirely
C. Customizing tick labels
D. Disabling grid lines in all cases

Question 2

What is the key difference between the .iloc[] and .loc[] accessors when working with Series or DataFrames?

A. .iloc[] is position-based, while .loc[] is label-based
B. .loc[] can only be used on Series
C. .iloc[] allows label-based selection
D. .loc[] does not allow slicing

Question 3

Which SQL commands are typically used to retrieve and manipulate data in a data analysis context?
(Choose all that apply)
Response:

A. INSERT
B. UPDATE
C. ROLLBACK
D. SELECT

Question 4

Which SQL commands can be used to modify the contents of a table's data directly?
(Choose all that apply)

A. INSERT
B. UPDATE
C. SELECT
D. DELETE

Question 5

What is the primary reason to use .head() and .tail() methods in pandas when exploring datasets?

A. To create visualizations
B. To delete missing values
C. To rename columns
D. To preview the first and last few rows of data

Solutions: