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Palo_Alto_Networks

PSE-SASE · Question #88

Which feature of Prisma SD-WAN ensures high availability (HA) of network services?

The correct answer is B. Active / active architecture. Active/active architecture (B) is correct because Prisma SD-WAN achieves high availability by running both network paths simultaneously - traffic is distributed across multiple links at the same time, eliminating single points of failure and removing the failover delay inherent…

CloudGenix SD-WAN Deployment and Configuration

Question

Which feature of Prisma SD-WAN ensures high availability (HA) of network services?

Options

  • ASSL Forward Proxy
  • BActive / active architecture
  • CSecure Web Gateway
  • DDual VPN tunnels

How the community answered

(17 responses)
  • A
    6% (1)
  • B
    94% (16)

Explanation

Active/active architecture (B) is correct because Prisma SD-WAN achieves high availability by running both network paths simultaneously - traffic is distributed across multiple links at the same time, eliminating single points of failure and removing the failover delay inherent in standby-based designs.

Why the distractors are wrong:

  • A. SSL Forward Proxy - a security inspection feature that decrypts/re-encrypts SSL traffic; it has nothing to do with network path redundancy or uptime.
  • C. Secure Web Gateway - a security service for filtering and controlling web traffic; it addresses threat protection, not HA.
  • D. Dual VPN tunnels - while dual tunnels do add redundancy, they typically imply an active/standby model where one tunnel is idle until failover. Active/active is the broader architectural principle that uses such redundancy simultaneously, making B the more precise and correct answer.

Memory tip: Think "Active/Active = Always Available." The two A's in active/active mirror the two A's in high AvAilability - both paths are live, so there's no wait for a backup to kick in.

Topics

#high availability#SD-WAN#active/active architecture#failover

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