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Updated: Oct 11, 2026
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Python Institute PCAD-31-02 Exam Overview:
| Certification Vendor: | Python Institute (OpenEDG) |
|---|---|
| Exam Name: | PCAD – Certified Associate Data Analyst with Python |
| Exam Number: | PCAD-31-02 |
| Real Exam Qty: | 48 |
| Exam Duration: | 60 minutes |
| Exam Price: | from $195 USD (varies by voucher/package) |
| Related Certifications: | PCPD – Certified Professional Data Analyst with Python PCED – Certified Entry-Level Data Analyst with Python |
| Available Languages: | English, Japanese |
| Certificate Validity Period: | 6 years |
| Exam Format: | Scenario-based questions, Single-select questions, Multiple-select questions |
| Passing Score: | 75% |
| Recommended Training: | Python Institute Data Analytics Learning Path |
| Exam Registration: | Python Institute PCAD Certification Page OpenEDG Voucher Store |
| Sample Questions: | Python Institute PCAD-31-02 Sample Questions |
| Exam Way: | Online proctored exam via OpenEDG TestNow™ platform |
| Pre Condition: | No formal prerequisites required. Recommended: foundational Python knowledge (e.g., PCED or equivalent experience). |
| Official Syllabus URL: | https://pythoninstitute.org/pcad |
Python Institute PCAD-31-02 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Statistical Methods and Modeling | ||
| Topic 2: Data Acquisition and Pre-Processing | 29.2% | |
| Topic 3: SQL and Data Management | ||
| Topic 4: Data Visualization and Communication | ||
| Topic 5: Exploratory Data Analysis |
Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions:
Which technique is considered a primary defense against SQL injection when executing database queries from Python?
- A. Escaping quotes manually in SQL strings
- B. Closing the database cursor after each query
- C. Encrypting the database connection
- D. Using parameterized queries
Correct Answer: D 🗳️
Which Python constructs are useful for comparing and managing object identity in a data pipeline?
(Choose all that apply)
- A. id() function to retrieve unique object identifiers
- B. == operator for checking value equivalence
- C. is operator for memory-level comparison
- D. str() function to convert data formats
Correct Answer: A,C 🗳️
What distinguishes structured data from unstructured data in the context of data modeling and storage?
- A. Unstructured data contains only numeric values
- B. Structured data follows a consistent schema or format
- C. Unstructured data cannot be stored or analyzed
- D. Structured data cannot be stored in databases
Correct Answer: B 🗳️
Which packages are most commonly used together in a data science workflow for data manipulation and visualization?
(Choose two)
- A. pandas
- B. NumPy
- C. flask
- D. Pygame
Correct Answer: A,B 🗳️
Which method is used after grouping a DataFrame to compute the average value for each group in a specific column?
- A. groupby().aggregate()
- B. groupby().count()
- C. groupby().max()
- D. groupby().mean()
Correct Answer: D 🗳️
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