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

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

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

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

3. What is one potential risk of dynamically constructing SQL queries using string concatenation in Python scripts?

A) Exposure to SQL injection attacks
B) Missing foreign key constraints
C) Increased memory usage
D) Slower database performance

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

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

5. Which element is essential to justify a conclusion drawn from a dataset?

A) The origin of the dataset
B) Logical reasoning and supported metrics
C) The use of color in plots
D) File format of the source data

Solutions: