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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?

Show Suggested Answer Hide Answer
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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Nickie
4 days ago
D sounds good too. IPS acts without waiting for us, that's crucial!
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Tom
9 days ago
I agree, C makes sense. IDS is for detection, IPS is for prevention.
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Dexter
14 days ago
I think C is the best choice. IDS alerts us, but IPS takes action.
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Margot
19 days ago
Surprised the IPS can act without human input!
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Natalie
24 days ago
Wait, does the IDS really need manual intervention?
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Tabetha
30 days ago
Totally agree, IDS is all about detection!
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Lang
1 month ago
I thought both did the same thing?
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Shaniqua
1 month ago
IDS just alerts, IPS blocks. Simple!
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Jennie
2 months ago
I feel like there was something about how the IDS and IPS operate at different levels of the network, but I can't recall the specifics. Maybe option B could be relevant?
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Melynda
2 months ago
I practiced a similar question where the focus was on the roles of IDS and IPS, and I think the key difference is that the IDS just alerts you, while the IPS actively blocks threats. So, C seems right.
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Kati
2 months ago
I'm not entirely sure, but I think the IDS does require some manual intervention sometimes, which might point to option D being correct.
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Cecily
2 months ago
I remember studying that the IDS is mainly for detection and alerting, while the IPS actually takes action to block threats. So, I think option C makes the most sense.
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