350-701 Security Concepts Practice Question
Which cryptographic algorithm is considered deprecated and should be avoided due to known vulnerabilities, especially when used in digital signatures and certificate signing?
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
✓
MD5
MD5 is a hashing algorithm with known collision vulnerabilities, making it unsuitable for security-sensitive applications like digital signatures.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
SHA-256
Why it's wrong here
SHA-256 is a strong hashing algorithm still recommended for use.
- ✗
SHA-3
Why it's wrong here
SHA-3 is the latest SHA standard and is considered secure.
- ✗
AES-256
Why it's wrong here
AES-256 is a strong symmetric encryption algorithm, not a hashing algorithm.
- ✓
MD5
Why this is correct
MD5 is broken and should not be used for cryptographic purposes.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-701 practice question is part of Courseiva's free Cisco 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 350-701 exam.