Minimum Instances and SKUs for Publisher Role in Azure Stack Hub

Correct Answer: C

The following table shows the various roles in a production deployment with their minimum instances, minimum SKUs, and description.

Option A is incorrect.

The minimum instances and minimum SKUs for the controller role in a production deployment are 2 and Standard_A4_v2 - (4 cores, 8192 MB) respectively.

Option B is incorrect.

The given are the minimum instances and SKUs for the FrontEnd role.

Option C is correct.

The minimum instances and minimum SKUs for the Publisher role in a production deployment are 1, Standard_A2_v2 - (2 cores, 4096 MB) respectively.

Option D is incorrect.

The given option is not correct.

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The publisher role in Azure Stack Hub is responsible for publishing content via FTP and web deployment, which means it plays an important role in the deployment of applications and services in a production environment.

When it comes to determining the minimum number of instances and SKUs for the publisher role in a production deployment, several factors need to be considered, including the expected workload and the level of redundancy required for high availability.

Option A suggests deploying two instances of the publisher role using the Standard_A4_v2 SKU. This SKU offers 4 cores and 8 GB of memory per instance, which should be sufficient for moderate to heavy workloads. Having two instances provides redundancy in case one instance fails or needs maintenance. This redundancy ensures that the publisher role remains available to publish content even in the event of a failure.

Option B suggests deploying a single instance of the publisher role using the Standard_A4_v2 SKU. While this SKU offers the same amount of resources as option A, having a single instance means that there is no redundancy built-in. This can be a risk in a production environment where high availability is critical.

Option C suggests deploying a single instance of the publisher role using the Standard_A2_v2 SKU. This SKU offers 2 cores and 4 GB of memory per instance, which is less than the Standard_A4_v2 SKU. While this might be sufficient for light workloads, it might not be enough for moderate to heavy workloads. Having a single instance also means that there is no redundancy built-in.

Option D suggests deploying two instances of the publisher role using the Standard_A2_v2 SKU. While this provides redundancy, it might not be sufficient for moderate to heavy workloads. This SKU offers 2 cores and 4 GB of memory per instance, which might be limiting for resource-intensive applications.

In summary, based on the provided options, the best choice for a production deployment of the publisher role in Azure Stack Hub would be option A, which suggests deploying two instances of the publisher role using the Standard_A4_v2 SKU. This provides sufficient resources for moderate to heavy workloads and redundancy to ensure high availability.