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NETSEC-GENERALIST · Question #62

What feature ensures smooth upgrades in Prisma Access without interrupting service?

The correct answer is C. Zero-downtime upgrade architecture. Prisma Access is Palo Alto Networks' cloud-delivered security service. Unlike traditional on-premises firewalls that require maintenance windows, Prisma Access is built with a zero-downtime upgrade architecture. This means Palo Alto Networks can push infrastructure and software…

Prisma Access Operations

Question

What feature ensures smooth upgrades in Prisma Access without interrupting service?

Options

  • ABackup-based deployment
  • BMulti-phase firmware staging
  • CZero-downtime upgrade architecture
  • DDisabling all policies before upgrade

How the community answered

(36 responses)
  • A
    3% (1)
  • B
    3% (1)
  • C
    94% (34)

Explanation

Prisma Access is Palo Alto Networks' cloud-delivered security service. Unlike traditional on-premises firewalls that require maintenance windows, Prisma Access is built with a zero-downtime upgrade architecture. This means Palo Alto Networks can push infrastructure and software updates to the platform without dropping active user sessions or disrupting tunnels. The cloud-native design uses rolling upgrades, redundant nodes, and session persistence techniques to keep the service running continuously during upgrades. The other options are distractors: backup-based deployment and multi-phase firmware staging are not Prisma Access-specific concepts, and disabling all policies before an upgrade would actively interrupt service rather than preserve it.

Topics

#Prisma Access#Zero-Downtime Upgrades#Service Continuity#High Availability

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