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Difficulty: HardConfigure Azure App Service Plans

You are designing the hosting infrastructure for a newly developed microservice that acts as an API gateway. The API gateway has the following specific requirements:
- It must support horizontal autoscaling up to 1212 instances to handle unpredictable traffic spikes.
- It requires at least 88 deployment slots to accommodate parallel integration testing pipelines.
- It must connect securely to resources in an Azure Virtual Network.

You need to select the most cost-effective pricing tier for the App Service plan.

Which pricing tier should you choose?

  1. A
    Standard (S1)
  2. Premium v2 (P1v2)Answer
  3. C
    Premium v3 (P1v3)
  4. D
    Basic (B1)

Answer

Premium v2 (P1v2)
The Premium v2 (P1v2) tier is correct because it supports up to 2020 deployment slots and up to 2020 scale-out instances, satisfying the requirements of 88 slots and 1212 instances respectively. It also supports Virtual Network integration, and is more cost-effective than the Premium v3 (P1v3) tier.

Step-by-Step Solution

1
Analyze the scaling requirement.
The application requires autoscaling up to 1212 instances. This eliminates Basic (B1) (which only supports manual scale up to 33 instances) and Standard (S1) (which only supports autoscaling up to 1010 instances).
To ensure the selected tier supports the minimum instance count required during peak load.
2
Analyze the deployment slots requirement.
The application requires 88 staging slots. This eliminates Basic (B1) (00 slots) and Standard (S1) (55 slots). Only Premium tiers (v2/v3 support up to 2020 slots) meet this criteria.
To verify that the chosen tier supports the development pipeline requirements.
3
Determine the most cost-effective tier that satisfies all criteria.
Both Premium v2 (P1v2) and Premium v3 (P1v3) satisfy all requirements, including VNet integration. Premium v2 (P1v2) is the most cost-effective choice as it is cheaper than Premium v3 (P1v3).
To fulfill the requirement of selecting the lowest cost tier that meets all operational needs.

Key Concept

Azure App Service plan tier features and limitations
Estimated Time:2m 0s
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Topics

Configure Azure App Service Plans

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