350-701 Network Security Practice Question
An engineer is tuning Snort signatures on a Cisco FTD to reduce false positives. A rule triggers on legitimate traffic that matches a known exploit pattern but is actually benign. Which tuning technique would be most appropriate to suppress the alerts without completely disabling the rule?
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
✓
Add a suppression filter for the specific source IP addresses.
Using a suppression filter allows the rule to remain active but suppresses alerts for specific source/destination IPs or ports.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Add a suppression filter for the specific source IP addresses.
Why this is correct
Suppression filters silence alerts for known benign sources while retaining the rule.
- ✗
Change the rule action from 'alert' to 'pass'.
Why it's wrong here
Pass disables inspection for that traffic, which may miss malicious variants.
- ✗
Increase the rule's threshold to require more hits before alerting.
Why it's wrong here
Thresholding reduces alert frequency but may still generate false positives.
- ✗
Disable the rule in the intrusion policy.
Why it's wrong here
Disabling removes detection capability completely.
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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.