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Difficulty: MediumConfigure Azure App Service Plans

A company plans to migrate an inventory management application to Azure App Service. The application hosting environment must meet the following requirements:
- Support a custom domain with an IP-based SSL binding.
- Support scaling out to a maximum of 8 instances to handle peak workload demands.
- Support automated backups scheduled twice daily.

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

  1. A
    F1
  2. B
    B1
  3. S1Answer
  4. D
    P1v3

Answer

The Standard (S1) tier is the most cost-effective pricing tier that meets all the requirements.
The Standard (S1) tier is correct because it supports custom domains, SSL bindings, scaling up to 10 instances (meeting the 8-instance requirement), and up to 10 automated backups daily (meeting the twice-daily requirement), and it is cheaper than the Premium v3 (P1v3) tier.

Step-by-Step Solution

1
Analyze the scaling requirement.
The application requires scaling out to 8 instances. The Free (F1) tier does not support scaling, and the Basic (B1) tier is limited to 3 instances. The Standard (S1) tier supports up to 10 instances, and the Premium v3 (P1v3) tier supports up to 30 instances.
To eliminate tiers that do not support the required scale-out capacity.
2
Analyze the backup requirement.
The application requires automated backups twice daily. The Free and Basic tiers do not support automated backups, while the Standard tier supports up to 10 backups daily, and Premium supports up to 50 backups daily.
To ensure the selected tier supports automated backup scheduling.
3
Determine the most cost-effective tier from the remaining compliant options.
Both Standard (S1) and Premium v3 (P1v3) meet all requirements (custom domain, IP-based SSL, 8 instances scale-out, and twice-daily backups). Standard (S1) is more cost-effective than Premium v3 (P1v3).
To identify the optimal, most cost-effective solution.

Key Concept

Azure App Service plan tiers define the available features, scaling limits, and backup capabilities. Selecting the optimal tier requires matching application requirements like custom domains, scaling limits, and backup schedules to the most cost-effective tier.
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Topics

Configure Azure App Service Plans

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