hardMultiple ChoiceObjective-mapped
ISC2 CC Practice Question: Refer to the exhibit
Exhibit
Mar 15 09:45:22 server sshd[1234]: Failed password for invalid user admin from 10.0.0.5 port 22 ssh2 Mar 15 09:45:23 server sshd[1235]: Failed password for invalid user admin from 10.0.0.5 port 22 ssh2 Mar 15 09:45:24 server sshd[1236]: Failed password for invalid user admin from 10.0.0.5 port 22 ssh2
Refer to the exhibit. Which security principle is being supported by the logging of these events?
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
✓
Accountability
Correct: D - Accountability. Logging provides a record of events that can be traced to specific sources, enabling accountability. Non-repudiation involves proof of actions by a user, but these logs do not prove user identity. Authentication and availability are not directly supported.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Availability
Why it's wrong here
Logging does not directly ensure system availability.
- ✗
Authentication
Why it's wrong here
Authentication is about verifying identity, not logging failures.
- ✗
Non-repudiation
Why it's wrong here
Non-repudiation requires a digital signature or similar proof; logs alone don't prove identity.
- ✓
Accountability
Why this is correct
Logs allow tracing failures to an IP address and time, supporting accountability.
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
Key term
Authentication
Authentication is the process of verifying that someone or something is who or what it claims to be before granting access to a system or resource.
Key term
Accountability
Accountability is the security principle that ensures actions and identity are linked so that a person or system can be held responsible for their activities.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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