Python Institute PCED - Certified Entry-Level Data Analyst with Python : PCED-30-02

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最新的 Python Institute PCED PCED-30-02 免費考試真題:

1. A script attempts to divide two numbers using / and //. The values are 7 and 2. The developer wants to understand the difference between true division and floor division. What are the results respectively?

A) 3 and 4
B) 3 and 3.5
C) 3.5 and 3
D) 4 and 3

2. You are working with city names entered by users. These names may contain inconsistent capitalization and unwanted spaces.
To standardize the data, you want to:
- Remove any leading or trailing whitespace, and
- Capitalize the first letter of each word (e.g., convert "new york" to "New York").
For example:
" New york " → "New York"
"lOS ANGELES" → "Los Angeles"
You are given a variable citythat contains the raw input.
Which line of code correctly updates the value of cleaned_cityto apply the required transformation? Select the best answer.

A) cleaned_city = city.strip().title()
B) cleaned_city = city.upper().strip()
C) cleaned_city = city.strip().capitalize()
D) cleaned_city = city.upper().replace(" ", "")

3. You have collected sales data and want to compute the average using the NumPy library.
Which option correctly shows how to install NumPy and use it in your code to perform this task?

A) To install NumPy:
pip install numpy as np
Then run this code:
import np
data = np.array([10, 20, 30])
print(np.mean(data))
B) To install NumPy:
pip install numpy
Then run this code:
import numpy as np
data = numpy.arr([10, 20, 30])
print(numpy.mean(data))
C) To install NumPy:
from pip install numpy
Then run this code:
import numpy as np
data = np.array([10, 20, 30])
print(np.mean(data))

4. A loop is designed using range(1, 6, 2) to iterate through numbers. The developer wants to know exactly which values will be generated during execution. Which sequence correctly represents the values produced?

A) 1, 3
B) 2, 4, 6
C) 1, 3, 5
D) 1, 2, 3, 4, 5

5. A financial technology company is reviewing its data practices to ensure legal and ethical compliance.
Which of the following actions would support responsible data handling and align with regulations like GDPR, HIPAA, and CCPA? (Choose two.)

A) Implementing encryption for both stored and transmitted customer data.
B) Providing users with a clear explanation of how their data is used and obtaining explicit consent.
C) Automatically opting users into data sharing unless they manually change settings.
D) Limiting data access only to marketing staff to streamline personalization.
E) Retaining user data permanently unless users explicitly request deletion.

問題與答案：

問題 #1 答案： C

問題 #2 答案： A

問題 #3 答案： C

問題 #4 答案： C

問題 #5 答案： A,B