Exam AZ-301 topic 4 question 4 discussion

Question is asking about data center failure and minimize costs. Thsi will be satisfied with Loadbalancer, scale set with availability zones.

It will need to be hosted on a virtual machine to access the underlying resource...so it has to be load balancer with availability zones

C is correct. DC failure is more cost effectively handled with redundant AZs

C. Deploy a load balancer and a virtual machine scale set across two availability zones.

C is correct answer.

app service doesn't work with com components as far as I know. So you should look for a VM based or container solution. C looks tight

C is most suited

Correct answer : C Load Balancer (Traffic manager not required...) Virtual Machine Scale Sets (coz of COM component on the host server needs to be installed...) Availability Zones (to avoid data center failure...)

For me the answer is C Azure App Service does not allow the registration of COM components on the platform. If your app makes use of any COM components, these need to be rewritten in managed code and deployed with the site or application. https://docs.microsoft.com/en-us/dotnet/azure/migration/app-service

C is the correct answer

A is Correct. https://docs.microsoft.com/en-us/dotnet/azure/migration/app-service "Azure App Service with Windows Containers If your app cannot be migrated directly to App Service, consider App Service using Windows Containers, which enables usage of the GAC, COM components, MSIs, full access to .NET FX APIs, DirectX, and more."

A. In two Azure regions, deploy a Traffic Manager profile and a web app. > Can be ruled out, as Azure App Service doesn't support COM components B. In two Azure regions, deploy a load balancer and a virtual machine scale set. > As we are not having two independent web applications and we don't have any further details about the architecture of App1 this can be ruled out as well. C. Deploy a load balancer and a virtual machine scale set across two availability zones. > The scaling would allow to reduce cost for situations of lighter traffic. And the use of avail. zones fulfills the requirement of high availability. D. In two Azure regions, deploy a load balancer and a web app. > Can be ruled out. See comment for A. Conclusion: > C. should be the correct answer. Refs: https://docs.microsoft.com/en-us/dotnet/azure/migration/app-service

C is definitely the correct answer. There is no mention of needing multiple regions. Availability zones protect from datacenter failures (which is what the requirement is). Using VMs to register COM. Using scale sets to scale in previously mentioned VMs to minimize cost.

Answer is C "minimize costs" -> don't use resources across regions

Correct Answer: C No requirement for multiple regions here-“ App1 must be available to users if an Azure data center becomes unavailable.”. Also you can't host COM (which is a dependency) object in webapp so that option is ruled out. "Azure App Service does not allow the registration of COM components on the platform. If your app makes use of any COM components, these would need to be rewritten in managed code and deployed with the site or application." https://docs.microsoft.com/en-us/dotnet/azure/dotnet-howto-migrate-app-service?view=azure-dotnet

The answer is C

C COM and COM+ components- Azure App Service does not allow the registration of COM components on the platform. If your site(s) or application(s) make use of any COM components, these would need to be rewritten in managed code and deployed with the site or application. https://azure.microsoft.com/de-de/blog/migration-checklist-when-moving-to-azure-app-service/