CCSP Cloud Data Security Practice Question
A security team is setting up a DLP solution to scan cloud storage for credit card numbers. They want to automatically mask the detected credit card numbers so that only the last four digits are visible. Which DLP de-identification transform should they use?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Masking
Masking is a de-identification transform that replaces part of the sensitive data with a placeholder, such as showing only the last four digits of a credit card number.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Pseudonymization
Why it's wrong here
Pseudonymization replaces identifiers with pseudonyms, not partial display.
- ✗
Bucketing
Why it's wrong here
Bucketing groups data into ranges, not partial masking.
- ✗
Tokenization
Why it's wrong here
Tokenization replaces sensitive data with a non-sensitive token, not partial masking.
- ✓
Masking
Why this is correct
Masking partially obscures data, e.g., showing only last four digits.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CCSP practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CCSP exam.