You are designing a highly available architecture for an internal web application.

The application is hosted on Azure Virtual Machines spread across three Availability Zones in the West Europe region. You need to deploy an Azure Application Gateway to load balance traffic to these VMs. The Application Gateway itself must survive a zone failure.

Which TWO configurations are required for the Application Gateway? (Select TWO)

Answer options:

Use the v1 SKU of Application Gateway.

Use the v2 SKU of Application Gateway.

Select multiple Availability Zones during deployment.

Deploy a separate Application Gateway in each Availability Zone.

Configure Azure Traffic Manager to route to the Application Gateway.

How to approach this question

Identify the SKU that supports modern features (v2) and the action required to enable zone redundancy (selecting zones).

Full Answer

Use the v2 SKU of Application Gateway, Select multiple Availability Zones during deployment

To ensure the Azure Application Gateway survives a zone failure, you must use the v2 SKU (Standard_v2 or WAF_v2), as the older v1 SKU does not support zone redundancy. During deployment, you must explicitly select multiple Availability Zones (e.g., Zones 1, 2, and 3). Azure will then automatically distribute the gateway instances across those zones.

Common mistakes

Thinking you need multiple Application Gateways. A single v2 instance can be zone-redundant.

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