When configuring a Multi-VSYS environment on a Palo Alto Networks firewall, the administrator can manage and restrict the consumption of hardware resources by individual virtual systems usingResource Quotas. This is a critical architectural step to prevent a single VSYS (tenant) from exhausting the firewall's capacity, which could impact other virtual systems on the same physical chassis.
On theResource tabwithin the Virtual System configuration (found underDevice > Virtual Systems), administrators can set specific limits for various policy types and session counts. Valid configurable limits include:
Sessions Limit(to control the total number of concurrent sessions per dataplane).
Security Rules, NAT Rules, andDecryption Rules.
DoS Protection, QoS, and Application Override rules.
VPN Tunnel limits (Site-to-Site and Concurrent SSL VPN tunnels).
Option B is correct becauseDecryption Rulesare specifically listed as a configurable quota. It is important to note that the firewall does not support limitingCPU utilization(Option A) orMemoryon a per-VSYS basis; these resources are dynamically shared based on traffic demand. While you can assign aVirtual Router(Option C) to a VSYS, it is not treated as a "quota" that you limit by quantity in the resource settings. Similarly,Disk space allocation(Option D) is typically managed at the log database level for the entire device or directed to external collectors, rather than being partitioned as a VSYS resource quota.
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