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Difficulty: MediumConfigure Azure App Service Plans

You are configuring an Azure App Service plan to host a student enrollment portal. The configuration must meet the following requirements:

- Allow developers to test application updates in a separate staging deployment slot before swapping to production.
- Automatically scale the instance count to handle traffic spikes, up to a maximum of 5 instances.
- Configure a custom domain name secured with an SSL certificate.

Which App Service pricing tier is the most cost-effective option that meets all requirements?

  1. A
    Basic (B1)
  2. B
    Free (F1)
  3. Standard (S1)Answer
  4. D
    Premium (P1v3)

Answer

Standard (S1)
The Standard (S1) tier is the most cost-effective tier that supports all three requirements: custom domains with SSL, automatic scaling (up to 10 instances), and deployment slots (up to 5).

Step-by-Step Solution

1
Evaluate the scaling requirement.
Automatic scaling is required. The Free (F1) and Basic (B1) tiers do not support autoscale (Basic only supports manual scale up to 3 instances). This rules out those options.
To eliminate pricing tiers that do not support automated scale-out capabilities based on demand metrics.
2
Evaluate the deployment slot requirement.
Staging slots are required. Standard (S1) supports up to 5 deployment slots, and Premium (P1v3) supports up to 20 deployment slots.
To identify which remaining tiers support separate slot configurations for staging updates.
3
Determine the most cost-effective tier between Standard (S1) and Premium (P1v3).
Standard (S1) satisfies all requirements (custom domains/SSL, autoscale up to 10 instances, and up to 5 deployment slots) and is cheaper than Premium (P1v3).
To select the tier that meets all criteria at the lowest price point.

Key Concept

Azure App Service pricing tier features and cost optimization
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Topics

Configure Azure App Service Plans

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