Which of the following best describes an intrusion prevention system?
A. Passive devices that analyze network traffic to detect unauthorized access
B. Active devices that sit inline with traffic and can respond to intrusions by disabling the connection, dropping the packet, or deleting the malicious content
C. A software or hardware device that can filter incoming or outgoing traffic based on specific rules
D. A device that monitors the characteristics of a single host and the events occurring on that host
Answer: B
Explanation: An Intrusion prevention system (IPS) is an active device that monitors traffic and can respond to intrusions.
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Fill in the blank(s) with the appropriate word(s).