You have an Azure App Service hosting a production web application. You need to deploy a new version of the application without any downtime. You also need to test the new version with 10% of live user traffic before fully cutting over. What should you use?

Answer options:

Azure Traffic Manager.

App Service deployment slots.

Azure Front Door.

App Service scale out.

How to approach this question

Identify the App Service feature used for staging and traffic routing.

Full Answer

B.App Service deployment slots.✓ Correct

Deployment slots are live apps with their own host names. You can swap a staging slot with the production slot for zero-downtime deployments, and you can route a percentage of traffic to a slot for A/B testing.

Common mistakes

Thinking an external load balancer is required for A/B testing in App Service.

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Practice the full Azure Solutions Architect Expert AZ-305 Practice Exam 6

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