Which network security device monitors incoming and outgoing traffic looking for malware, network attack signatures, and if it recognizes a threat, it can immediately stop it?

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Which network security device monitors incoming and outgoing traffic looking for malware, network attack signatures, and if it recognizes a threat, it can immediately stop it?

VPN
ASA Firewall
IPS
ESA/WSA
AAA Server

Explanation: An IPS monitors incoming and outgoing traffic looking for malware, network attack signatures, and more. If it recognizes a threat, it can immediately stop it.

Exam with this question: 3.9.6 Check Your Understanding - Network Security Best Practices