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Exam AZ-303 topic 6 question 48 discussion

Actual exam question from Microsoft's AZ-303
Question #: 48
Topic #: 6
[All AZ-303 Questions]

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: Create a Service Fabric Cluster with a stateful Reliable Service for Routing Service. Deploy a Guest Executable to Service Fabric for each component.
Does the solution meet the goal?

  • A. Yes
  • B. No
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️

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Tripp_F
Highly Voted 3 years, 11 months ago
Correct Answer: B. No. The question is testing whether a candidate can distinguish between stateful and stateless. In this question, the routing service requirements are stateless. The correct solution should be: Create a Service Fabric Cluster with a stateless Reliable Service for Routing Service. Create stateful Reliable Services for all other components, or deploy a guest executable to service fabric for all other components. Guest executables are treated by Service Fabric like stateless services. As a result, they are placed on nodes in a cluster, based on availability and other metrics. https://docs.microsoft.com/en-us/azure/service-fabric/service-fabric-guest-executables-introduction https://docs.microsoft.com/en-us/azure/service-fabric/service-fabric-reliable-services-introduction
upvoted 10 times
rdemontis
3 years, 10 months ago
Thanks! Clear explanation!
upvoted 1 times
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syu31svc
Most Recent 3 years, 9 months ago
No as routing service must not persist data so stateless is the correct method
upvoted 2 times
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