CompTIA
N10-009 · Question #337
Which of the following is a major difference between an IPS and IDS?
The correct answer is A. An IPS needs to be installed in line with traffic and an IDS does not. The key difference is that an Intrusion Prevention System (IPS) is installed in line with network traffic, allowing it to actively block threats. In contrast, an Intrusion Detection System (IDS) only monitors and alerts without actively blocking traffic.
Submitted by dimitri_ru· Mar 6, 2026Network Security
Question
Which of the following is a major difference between an IPS and IDS?
Options
- AAn IPS needs to be installed in line with traffic and an IDS does not.
- BAn IPS is signature-based and an IDS is not.
- CAn IPS is less susceptible to false positives than an IDS.
- DAn IPS requires less administrative overhead than an IDS.
How the community answered
(39 responses)- A90% (35)
- B3% (1)
- C5% (2)
- D3% (1)
Explanation
The key difference is that an Intrusion Prevention System (IPS) is installed in line with network traffic, allowing it to actively block threats. In contrast, an Intrusion Detection System (IDS) only monitors and alerts without actively blocking traffic.
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