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Eccouncil 212-82 Exam - Topic 7 Question 69 Discussion

You are the lead cybersecurity analyst for a multinational corporation that handles sensitive financial data. As part of your network security strategy, you have implemented both an Intrusion Detection System (IDS) and an Intrusion Prevention System(IPS) to safeguard against cyber threats. One day, your IDS alerts you to suspicious activity on the network, indicating a potential intrusion attempt from an external source. Meanwhile, your IPS springs into action, swiftly blocking the malicious traffic before it can penetrate deeper into the network. Based on this scenario, what primarily distinguishes the role of the IDS from the IPS In your network security architecture?
C) The IDS focuses on identifying suspicious activities and generating alerts, while the IPS actively blocks and mitigates potential threats in real-time.
A) The IDS primarily uses signature-based detection techniques, while the IPS relies primarily on anomaly-based detection methods.
B) The IDS operates solely at the network perimeter, while the IPS can also monitor and protect internal network traffic.
D) The IDS requires manual intervention for threat mitigation, while the IPS can autonomously respond to threats without human intervention.

Eccouncil 212-82 Exam - Topic 7 Question 69 Discussion

Actual exam question for Eccouncil's 212-82 exam
Question #: 69
Topic #: 7
[All 212-82 Questions]

You are the lead cybersecurity analyst for a multinational corporation that handles sensitive financial dat

a. As part of your network security strategy, you have implemented both an Intrusion Detection System (IDS) and an Intrusion Prevention System(IPS) to safeguard against cyber threats. One day, your IDS alerts you to suspicious activity on the network, indicating a potential intrusion attempt from an external source. Meanwhile, your IPS springs into action, swiftly blocking the malicious traffic before it can penetrate deeper into the network. Based on this scenario, what primarily distinguishes the role of the IDS from the IPS In your network security architecture?

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Suggested Answer: C

The primary distinction between an Intrusion Detection System (IDS) and an Intrusion Prevention System (IPS) lies in their response to detected threats:

Intrusion Detection System (IDS):

Function: Monitors network traffic and system activities for suspicious behavior.

Response: Generates alerts and logs events for analysis.

Role: Passive; does not take action to block or prevent threats. Requires manual intervention to respond to alerts.

Intrusion Prevention System (IPS):

Function: Monitors network traffic and system activities similarly to an IDS but with additional capabilities.

Response: Actively blocks and mitigates threats in real-time.

Role: Proactive; takes automatic actions to prevent or mitigate threats without the need for human intervention.

Scenario Explanation:

In the given scenario, the IDS detected suspicious activity and alerted the security team, allowing them to investigate further.

The IPS, on the other hand, immediately blocked the malicious traffic, preventing the intrusion from succeeding.


EC-Council Certified Network Defender (CND) and Certified Security Analyst (ECSA) materials.

Industry standards on network security and intrusion detection/prevention systems.

by Muriel at Jun 20, 2026, 12:19 AM

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