PCSE Ensuring Data Protection Practice Question
Which Cloud DLP transform should be used to replace sensitive data with a token that preserves the format and length of the original data for reversible de-identification?
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
✓
CryptoReplaceFfxFpeConfig
CryptoReplaceFfxFpeConfig uses Format-Preserving Encryption (FPE) to replace data with a token that retains the original format and length, and the process is reversible with the encryption key.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
DateShiftConfig
Why it's wrong here
DateShiftConfig shifts dates by a random offset, not format-preserving tokenization.
- ✗
MaskingConfig
Why it's wrong here
Masking replaces characters with a mask character, which may not preserve length exactly and is not reversible.
- ✓
CryptoReplaceFfxFpeConfig
Why this is correct
FPE preserves format and length and is reversible, making it suitable for tokenization.
- ✗
BucketingConfig
Why it's wrong here
Bucketing transforms values into ranges, which does not preserve format and is not reversible.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCSE practice question is part of Courseiva's free Google Cloud 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 PCSE exam.