CSSLP Secure Software Testing Practice Question
When configuring a custom scan in Nessus to identify vulnerabilities in a web-based management interface, which setting is essential for deep authenticated scanning?
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
✓
Providing the 'Authentication' credentials in the 'Web Applications' section.
Nessus needs credentials (HTTP/HTML form authentication) to access protected pages to perform a full vulnerability assessment.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Disabling the 'Plugin' set for OS detection.
Why it's wrong here
OS detection is irrelevant to the web interface scan.
- ✗
Enabling 'Safe Checks' in the policy settings.
Why it's wrong here
Safe checks prevent the scanner from performing actions that might crash the target.
- ✓
Providing the 'Authentication' credentials in the 'Web Applications' section.
Why this is correct
Without valid authentication, a scanner only sees the public login page.
- ✗
Configuring the 'Port Scanner' to only scan port 80.
Why it's wrong here
Management interfaces often run on custom ports.
- ✗
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Why it's wrong here
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About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official (ISC)² exam blueprint
This CSSLP practice question is part of Courseiva's free (ISC)² 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 CSSLP exam.