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Question 14: You manage a cloud service that supports features hosted by two instances of an Azure virtual
machine (VM).
You discover that occasional outages cause your service to fail.
You need to minimize the impact of outages to your cloud service.
Which two actions should you perform? Each correct answer presents part of the solution.
A. Configure the VMs to belong to an Availability Set.
B. Configure Load Balancing on the VMs.
C. Deploy a third instance of the VM.
D. Redeploy the VMs to belong to an Affinity Group.
Correct Answer: A,B
Explanation
Adding your virtual machine to an availability set helps your application stay available during network
failures, local disk hardware failures, and any planned downtime.
Combine the Azure Load Balancer with an Availability Set to get the most application resiliency. The
Azure Load Balancer distributes traffic between multiple virtual machines.
References:
http://azure.microsoft.com/en-gb/documentation/articles/virtual-machines-manage-availability/