ISC2 CC Security Principles Practice Question
Which of the following ensures that data has not been tampered with during transmission?
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
✓
Hashing
Integrity ensures data accuracy and completeness; hashing detects changes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Redundancy
Why it's wrong here
Redundancy supports availability.
- ✗
Encryption
Why it's wrong here
Encryption provides confidentiality.
- ✓
Hashing
Why this is correct
Correct. Hashing verifies integrity.
- ✗
Authentication
Why it's wrong here
Authentication verifies identity, not data integrity.
Go deeper
Related to this question
Learn chapter
Network Security Components and Controls
Key term
Hashing
Hashing is a one-way mathematical function that converts any input data into a fixed-length string of characters, called a hash or digest, which is used to verify data integrity and store passwords securely.
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.
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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.