You have an Azure subscription that contains a virtual network named VNet1. VNet1 contains four subnets named Gateway, Perimeter, NVA, and Production.
The NVA subnet contains two network virtual appliances (NVAs) that will perform network traffic inspection between the Perimeter subnet and the Production subnet.
You need to implement an Azure load balancer for the NVAs. The solution must meet the following requirements:
The NVAs must run in an active-active configuration that uses automatic failover.
The load balancer must load balance traffic to two services on the Production subnet. The services have different IP addresses.
Which three actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
Select all that apply, then click Submit answer.
Reference / correct answer:
Deploy a standard load balancer
Add two load balancing rules that have HA Ports and Floating IP enabled
Add a frontend IP configuration, two backend pools, and a health probe
To run NVAs in an active-active configuration with automatic failover, you should use a **Standard Load Balancer** (Basic Load Balancer doesn’t support the required HA scenarios like HA Ports).
Because you must load-balance traffic to **two different services with different IP addresses**, you typically expose **multiple frontends** and map them to the NVAs. Using **two backend pools** lets you target/associate different rules/frontends to the same pair of NVAs (common design for multi-VIP / multiple services scenarios).
For NsNVAs, you create **load-balancing rules using HA Ports**, which forwards all ports to the NVAs (often required for NVA inspection patterns). With HA Ports, enabling **Floating IP (direct server return)** is used in many NVA designs so the appliances can preserve/handle original flow behavior correctly.
References (official):
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https://learn.microsoft.com/en-us/azure/load-balancer/load-balancer-overview
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https://learn.microsoft.com/en-us/azure/load-balancer/load-balancer-ha-ports-overview
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https://learn.microsoft.com/en-us/azure/load-balancer/load-balancer-multivip-overview