Exam PSE-Strata-Pro-24 Topic 1 Question 8 Discussion

Aperimeter firewallis traditionally deployed at the boundary of a network to protect it from external threats.
It provides a variety of protections, including blocking unauthorized access, inspecting traffic flows, and safeguarding sensitive resources. Here is how the options apply:
* Option A (Correct):Perimeter firewalls providenetwork layer protectionby filtering and inspecting traffic entering or leaving the network at the outer edge. This is one of their primary roles.
* Option B:Power utilization is not a functional or architectural aspect of a firewall and is irrelevant when describing the purpose of a perimeter firewall.
* Option C:Securing east-west traffic is more aligned withdata center firewalls, whichmonitor lateral (east-west) movement of traffic within a virtualized or segmented environment. A perimeter firewall focuses on north-south traffic instead.
* Option D (Correct):A perimeter firewall primarily securesnorth-south traffic, which refers to traffic entering and leaving the network. It ensures that inbound and outbound traffic adheres to security policies.
* Option E (Correct):Perimeter firewalls play a critical role inguarding against external attacks, such as DDoS attacks, malicious IP traffic, and other unauthorized access attempts.
References:
* Palo Alto Networks Firewall Deployment Use Cases: https://docs.paloaltonetworks.com
* Security Reference Architecture for North-South Traffic Control.