350-701 Network Security Practice Question
A security engineer is tuning an IPS to reduce false positives. They notice that legitimate traffic is triggering a signature for a worm that uses a specific HTTP GET request. The engineer wants to disable the signature for that specific traffic pattern but keep it enabled for other traffic. What is the best approach?
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
✓
Create a rule suppression for the specific source/destination.
In Snort-based IPS, you can create a rule suppression or use a pass rule with a higher priority to skip inspection for that traffic. Alternatively, you can modify the rule to add a 'pcre' condition or use 'tag', but the simplest is to create a suppression or use a rule override to disable the specific signature for that source/destination.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increase the signature threshold.
Why it's wrong here
Incorrect. Threshold reduces alerts but does not prevent detection.
- ✗
Disable the signature globally.
Why it's wrong here
Incorrect. That would remove protection for all traffic.
- ✓
Create a rule suppression for the specific source/destination.
Why this is correct
Correct. Suppression allows you to disable the rule for specific conditions.
- ✗
Change the action to 'alert' instead of 'drop'.
Why it's wrong here
Incorrect. That would still generate alerts (false positives).
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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.