ISC2 CC Security Principles Practice Question
A security professional is asked to ensure that a document has not been altered since it was signed. Which technology best supports this requirement?
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
✓
Digital signature
Digital signatures provide integrity and non-repudiation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Symmetric encryption
Why it's wrong here
Encryption provides confidentiality, not integrity.
- ✓
Digital signature
Why this is correct
Digital signatures provide integrity and authentication.
- ✗
Access control list
Why it's wrong here
ACLs control access but do not verify integrity.
- ✗
Hashing
Why it's wrong here
Hashing detects changes but does not provide non-repudiation.
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
Key term
Integrity
Integrity is the assurance that data has not been altered or tampered with in an unauthorized way, preserving its accuracy and consistency from source to destination.
Key term
Non-repudiation
Non-repudiation is a security principle that ensures a party in a digital transaction cannot deny their involvement or the authenticity of their digital signature.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC 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 CC exam.