Exam AZ-303 All Questions

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Exam AZ-303 topic 6 question 5 discussion

Actual exam question from Microsoft's AZ-303

Question #: 5
Topic #: 6

You develop an entertainment application where users can buy and trade virtual real estate. The application must scale to support thousands of users.
The current architecture includes five Azure virtual machines (VM) that connect to an Azure SQL Database for account information and Azure Table Storage for backend services. A user interacts with these components in the cloud at any given time.
✑ Routing Service `" Routes a request to the appropriate service and must not persist data across sessions.
✑ Account Service `" Stores and manages all account information and authentication and requires data to persist across sessions
✑ User Service `" Stores and manages all user information and requires data to persist across sessions.
✑ Housing Network Service `" Stores and manages the current real-estate economy and requires data to persist across sessions.
✑ Trade Service `" Stores and manages virtual trade between accounts and requires data to persist across sessions.
Due to volatile user traffic, a microservices solution is selected for scale agility.
You need to migrate to a distributed microservices solution on Azure Service Fabric.
Solution: Deploy a Windows container to Azure Service Fabric for each component.
Does the solution meet the goal?

A. Yes
B. No

Show Suggested Answer

Suggested Answer: B 🗳️

by Kraviecc at Jan. 16, 2021, 3:39 p.m.

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Kraviecc

Highly Voted 4 years, 4 months ago

According to the https://docs.microsoft.com/en-us/azure/service-fabric/service-fabric-quickstart-containers (Running an existing application in a Windows container on a Service Fabric cluster doesn't require any changes to your application) should be YES.

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pentium75

3 years, 10 months ago

But would it 'scale to thousands of users' if we have only a single instance of each microservice?

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as0912

Highly Voted 4 years, 2 months ago

Not a part of AZ-303

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Inland

Most Recent 3 years, 4 months ago

Yes is correct https://docs.microsoft.com/en-us/azure/architecture/guide/technology-choices/compute-decision-tree

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gizda2

3 years, 7 months ago

Service Fabric would only be the logical choice if it was about DOTNET applications within the containers. It's not mentioned in the question.

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subbu3071988

3 years, 8 months ago

This is out of syllabus for AZ-303. As per my understanding containers are stateless and Distributed Microservices are stateful. Also , we should use stateful services when we want data to persist and stateless services when data must not persist. In the current scenario, we are providing a stateless solution (Windows Container deployment) for stateful microservices (Distributed Microservices). So answer should be "No".

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syu31svc

3 years, 9 months ago

https://docs.microsoft.com/en-us/azure/service-fabric/service-fabric-overview I would take yes

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nguyenhung1121990

4 years, 1 month ago

A - Yes: is correct Answer

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demonite

4 years, 1 month ago

Should be Yes

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inf

4 years, 4 months ago

Likely Yes. Key is stateful and stateless. Both are supported in containers in the service fabric https://docs.microsoft.com/en-us/azure/service-fabric/service-fabric-choose-framework Containers By default, Service Fabric deploys and activates services as processes. Service Fabric can also deploy services in containers. Service Fabric supports deployment of Linux containers and Windows containers on Windows Server 2016 and later. Container images can be pulled from any container repository and deployed to the machine. You can deploy existing applications as guest executables, Service Fabric stateless or stateful Reliable services or Reliable Actors in containers, and you can mix services in processes and services in containers in the same application.

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pentium75

3 years, 10 months ago

Would a single container 'support thousands of users'?

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rdemontis

3 years, 10 months ago

thanks for your explanation

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