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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:

1. Which operation would most efficiently apply element-wise multiplication to two NumPy arrays of equal size?

A) numpy.outer()
B) array1.dot(array2)
C) numpy.matrix()
D) array1 * array2

2. How would you extract the last three rows of a DataFrame df using position-based indexing?

A) df.iloc[-3:]
B) df[-3]
C) df.loc[-3:]
D) df.tail(3)

3. In supervised learning, what is the primary goal when training a model on labeled data?

A) To discover hidden patterns without outputs
B) To cluster data points into similar groups
C) To learn a function that maps inputs to known outputs
D) To analyze unstructured data formats like text

4. Which operations are valid when working with Pandas Series?
(Choose two)

A) Arithmetic vector operations
B) Using .columns to rename
C) Merging by index using merge()
D) Applying NumPy universal functions

5. Which characteristics are commonly associated with cloud-based data storage solutions?

A) Physical proximity to user machines
B) Requires dedicated local hardware
C) Elastic scalability
D) High availability and redundancy

Solutions: