CCSP Cloud Data Security Practice Question
An organization uses a cloud DLP API to scan data in Cloud Storage and BigQuery for sensitive information. They need to replace social security numbers (SSNs) with a non-reversible token that can be used for consistent mapping without exposing the original SSN. Which de-identification technique 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
✓
Tokenization
Tokenization replaces sensitive data with a unique, non-reversible token that maintains referential integrity. Unlike masking, it completely replaces the original value.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Masking
Why it's wrong here
Masking partially obscures data but is reversible if the masking pattern is known.
- ✗
Date shifting
Why it's wrong here
Date shifting modifies dates, not SSNs.
- ✓
Tokenization
Why this is correct
Tokenization replaces SSNs with tokens that cannot be reversed to the original.
- ✗
Pseudonymization
Why it's wrong here
Pseudonymization replaces identifiers with pseudonyms, but may be reversible.
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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.