5V0-43.21 · Question #53
An administrator is tasked to enable a WAF Policy that was created by a fellow administrator in NSX Advanced Load Balancer. How should this task be completed?
The correct answer is A. Enable the policy by associating it with a Virtual Service. In NSX Advanced Load Balancer (Avi Networks), a WAF Policy becomes active only when it is associated with a Virtual Service - the logical entity that represents a load-balanced application endpoint and is where traffic inspection actually occurs. Without that association, the…
Question
An administrator is tasked to enable a WAF Policy that was created by a fellow administrator in NSX Advanced Load Balancer. How should this task be completed?
Options
- AEnable the policy by associating it with a Virtual Service
- BAttach the policy to the Service Engine
- CAssociate the policy to the Pool
- DConfigure the policy in the Application Profile
How the community answered
(20 responses)- A85% (17)
- B10% (2)
- C5% (1)
Explanation
In NSX Advanced Load Balancer (Avi Networks), a WAF Policy becomes active only when it is associated with a Virtual Service - the logical entity that represents a load-balanced application endpoint and is where traffic inspection actually occurs. Without that association, the policy exists but is never enforced against any traffic.
Why the distractors are wrong:
- B (Service Engine): Service Engines are the data-plane VMs that process traffic; they don't directly receive policy assignments - policies are applied at the Virtual Service layer above them.
- C (Pool): Pools define backend server groups for load balancing; WAF policies operate on incoming client-to-VIP traffic, not on the server-side pool configuration.
- D (Application Profile): Application Profiles define protocol behavior (HTTP settings, connection limits, etc.) and are not the attachment point for WAF policies.
Memory tip: Think of the Virtual Service as the "front door" of your application - WAF (Web Application Firewall) guards the door, so it must be attached at the door (Virtual Service), not to the engine room (Service Engine) or the back warehouse (Pool).
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