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AZ-204 · Question #168

A consultant needs to deploy Web Applications to the Azure Web App service for 4 customers. Each customer needs to have the application running on a separate individual instance. The following key…

The correct answer is D. 4. To meet the requirements of 4 customers each needing a separate application instance, auto-scaling, deployment slots, and isolated networking with minimized costs, the most efficient approach is to deploy each customer's application to a separate App Service Plan within an App…

Submitted by sofia.br· Mar 30, 2026Develop Azure compute solutions

Question

A consultant needs to deploy Web Applications to the Azure Web App service for 4 customers. Each customer needs to have the application running on a separate individual instance. The following key requirements are also in place: - Ability to automatically scale on demand - Ability to use deployment slots to test staging environments - All Azure resources should be located in a separate isolated network - Costs need to be minimized How many instances would you keep running for the requirement?

Options

  • A16
  • B8
  • C12
  • D4

How the community answered

(26 responses)
  • A
    4% (1)
  • B
    8% (2)
  • C
    19% (5)
  • D
    69% (18)

Why each option

To meet the requirements of 4 customers each needing a separate application instance, auto-scaling, deployment slots, and isolated networking with minimized costs, the most efficient approach is to deploy each customer's application to a separate App Service Plan within an App Service Environment (ASE) v3, with each plan running at its minimum of one instance.

A16

Running 16 instances (4 instances per customer) would significantly increase costs without a clear justification from the "minimized costs" requirement and the "separate individual instance" phrasing.

B8

Running 8 instances (2 instances per customer) would increase costs unnecessarily if 1 instance per customer is sufficient to meet "separate individual instance" and "minimized costs."

C12

Running 12 instances (3 instances per customer) would similarly increase costs beyond the "minimized costs" requirement when a single instance per customer's dedicated plan is sufficient as a starting point.

D4Correct

To satisfy the requirements for 4 customers needing separate application instances, auto-scaling, deployment slots, and an isolated network (implying an App Service Environment), while minimizing costs, each customer should have their own App Service Plan configured within the ASE. Since an App Service Plan can be scaled down to a minimum of one instance to host an application, a total of 4 instances (one per customer's App Service Plan) would be running.

Concept tested: Azure App Service Environment sizing and cost optimization

Source: https://learn.microsoft.com/en-us/azure/app-service/environment/overview

Topics

#App Service#App Service Environment#isolated network#deployment slots

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