Python Institute PCAD-31-02

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

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

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

2. Which of the following are limitations of manual data collection methods?
(Choose two)

A) Time-consuming process
B) Seamless integration with big data tools
C) Increased chance of human error
D) High scalability

3. Which practices help ensure secure and effective execution of SQL queries in Python scripts?
(Choose all that apply)

A) Employing parameterized statements for user-supplied data
B) Using string concatenation to insert variables into SQL
C) Wrapping SQL commands in try-except blocks
D) Using string formatting to build SQL queries dynamically

4. When creating a line chart with Matplotlib, which function is most appropriate to add a text label at a specific data point?

A) plt.annotate()
B) plt.title()
C) plt.legend()
D) plt.xlabel()

5. Which SQL command should a data analyst use to modify existing records in a database table based on specific conditions?

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

Solutions: