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Palo Alto Networks Certified Network Security Engineer (PCNSE) · Palo Alto Networks
Select one answer.
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The single-pass architecture means the firewall processes traffic once per packet, applying App-ID, Content-ID, and URL filtering in a single unified engine. Pattern matching is used to evaluate URLs against categories (e.g., malware, adult, business) using the URL filtering database (cloud or on-prem).
Answer is C, according to palo alto documentation.
Palo Alto Networks firewalls use a single-pass architecture, including single-pass pattern matching on the data plane, to efficiently process and inspect network traffic, including URL filtering. During this single-pass, the firewall inspects the content of the traffic for various security aspects, including URL patterns for URL filtering.