Exam Name: Python Institute Certified Associate Data Analyst with Python (PCAD-31-02)
Certification Provider: Python Institute
Corresponding Certification: Python Institute Certification
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Python Institute PCAD-31-02 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Data Visualization and Communication | ||
| Exploratory Data Analysis | ||
| Statistical Methods and Modeling | ||
| SQL and Data Management | ||
| Data Acquisition and Pre-Processing | 29.2% |
Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions:
What is the correct sequence to connect to a database and execute a query using the sqlite3 module in Python?
- A. Commit → Connect → Execute → Close
- B. Connect → Commit → Execute → Close
- C. Execute → Connect → Commit → Close
- D. Connect → Execute → Commit → Close
Correct Answer: D 🗳️
Which approaches are commonly used to extract structured data from APIs in Python?
(Choose two)
- A. Access data using requests.get() and parse it with .json()
- B. Use the requests module to retrieve JSON responses
- C. Load CSV directly with re.compile()
- D. Open Excel files using matplotlib
Correct Answer: A,B 🗳️
Which of the following techniques are commonly used in the standardization of textual or categorical data during preprocessing?
(Choose two)
- A. Trimming whitespace from string values
- B. Replacing misspellings with a canonical category label
- C. Applying logarithmic transformation to skewed data
- D. Scaling numeric features to a fixed range
Correct Answer: A,B 🗳️
Which two benefits are most closely associated with using object-oriented programming (OOP) in data analysis pipelines?
(Choose two)
- A. Allows the use of lambda for procedural logic
- B. Encourages code reuse through inheritance and modularity
- C. Supports clearer abstraction by modeling real-world entities
- D. Enables procedural programming only through decorators
Correct Answer: B,C 🗳️
Which Python library is most commonly used to establish a connection to a SQLite database and perform SQL operations?
- A. psycopg2
- B. sqlite3
- C. pymysql
- D. sqlalchemy
Correct Answer: B 🗳️
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