200-201 Security Concepts Practice Question
A security analyst discovers that an attacker has captured network traffic and used it to impersonate a legitimate user in a subsequent session. Which element of the CIA triad is most directly compromised in this scenario?
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
✓
Confidentiality
Confidentiality is compromised when data is accessed by unauthorized parties. The attacker captured traffic (unauthorized access to data), which leads to impersonation, but the core violation here is confidentiality because the data was disclosed.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Integrity
Why it's wrong here
Integrity ensures data is not altered; the attacker did not modify data but stole it.
- ✗
Non-repudiation
Why it's wrong here
Non-repudiation is not part of the CIA triad; it is related to digital signatures.
- ✓
Confidentiality
Why this is correct
The attacker captured traffic, violating confidentiality.
- ✗
Availability
Why it's wrong here
Availability ensures systems are accessible; the attack does not directly prevent access.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-201 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 200-201 exam.