TheIntrusion Prevention System (IPS)provides asecond layer of defenseafter the Symantec firewall. While the firewall controls access and traffic flow at the network perimeter, IPS actively monitors and inspects incoming and outgoing traffic for signs of malicious activity, such as exploit attempts and suspicious network patterns.
How IPS Complements the Firewall:
The firewall acts as the first layer of defense, blocking unauthorized access based on rules and policies.
IPS then inspects allowed traffic in real-time, identifying and blocking attacks that may evade basic firewall rules, such as known exploits and abnormal network behaviors.
Why Other Options Are Less Effective:
Virus and Spyware(Option A) focuses on malware detection within files and programs, not network defense.
Host Integrity(Option B) is related to compliance, andSystem Lockdown(Option D) controls application execution but does not monitor network traffic.
References: Intrusion Prevention adds a critical layer of defense in Symantec’s network security stack, working in conjunction with the firewall for comprehensive protection.
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