Merge pull request #270962 from mialdrid/patch-232

Update about-zone-redundant-vnet-gateways.md

Author: prmerger-automator[bot]

articles/vpn-gateway/about-zone-redundant-vnet-gateways.md

@@ -83,6 +83,10 @@ These SKUs are available in Azure regions that have Azure availability zones. Fo
 
 Coexistence of both VPN and ExpressRoute gateways in the same virtual network is supported. However, you should reserve a /27 IP address range for the gateway subnet.
 
+### Which configuration, zone-redundant or zonal, is recommended to achieve the highest availability for the virtual network gateway infrastructure?
+
+Zone-redundant. With this configuration, the virtual network gateway instances are spread across Azure availability zones, removing a single Azure availability zone as a single point of failure.
+
 ## Next steps
 
 [Create a zone-redundant virtual network gateway](create-zone-redundant-vnet-gateway.md)