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Q3. Which two of the following statements are true about IPS? (Choose 2 best answers)

A. It works in promiscuous mode

B. It adds delay to the network traffic

C. It doesn't have the ability to stop malicious packets going into the network

D. It has the ability to manipulate real time traffic entering or leaving the node

  Correct Answer: B, D

 

Explanation:

The following are true about IPS (Intruder Prevention System):
1. It adds some amount of delay to the network traffic, as it scans each packet for any malicious content.
2. Because the IPS is inline, it can normalize (manipulate or modify) traffic inline based on a current set of rules.
3. Unlike IDS (Intruder Detection System), an IPS works inline. So, every packet goes through IPS before being forwarded.

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