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Eccouncil 112-51 Exam

Certification Provider: Eccouncil
Exam Name: Network Defense Essentials Exam
Number of questions in our database: 75
Exam Version: Apr. 04, 2024
112-51 Exam Official Topics:
  • Topic 1: Single Topic
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Free Eccouncil 112-51 Exam Actual Questions

The questions for 112-51 were last updated On Apr. 04, 2024

Question #1

Jay, a network administrator, was monitoring traffic flowing through an IDS. Unexpectedly, he received an event triggered as an alarm, although there is no active attack in progress.

Identify the type of IDS alert Jay has received in the above scenario.

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Correct Answer: B

A false positive alert is a type of IDS alert that occurs when the IDS mistakenly identifies benign or normal traffic as malicious or suspicious, and triggers an alarm, although there is no active attack in progress. A false positive alert can be caused by various factors, such as misconfigured IDS rules, outdated signatures, network anomalies, or legitimate traffic that resembles attack patterns. A false positive alert can waste the time and resources of the security team, as they have to investigate and verify the alert, and also reduce the trust and confidence in the IDS. A false positive alert can be reduced by tuning and updating the IDS, filtering out irrelevant traffic, and using multiple detection methods. A false positive alert is the type of IDS alert Jay has received in the above scenario, as he received an event triggered as an alarm, although there is no active attack in progress. Reference:

False Positive Alert - Week 10: Intrusion Detection and Prevention Systems

What is a False Positive in Cybersecurity?

How to Reduce False Positives in Intrusion Detection Systems


Question #4

Jacob, a network defender in an organization, was instructed to improve the physical security measures to prevent unauthorized intrusion attempts. In this process, Jacob implemented certain physical security controls by using warning messages and signs that notify legal consequences to discourage hackers from making intrusion attempts.

Which of the following type of physical security controls has Jacob implemented in the above scenario?

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