Knowledge check

1.

An e-commerce company has developed its client application using PHP, hosted it on an on-premises Apache server, and connected it to a MySQL server in the back end. As the application has continued to grow in terms of features and customer base, its performance has been severely affected such that the company cannot serve customers during peak traffic. Teams working on individual features and services are finding it difficult to manage, monitor, and make changes to their part of the application. What is the best solution for mitigating these issues?

Migrate the application to Azure and host it on Azure Virtual Machines. Then migrate the on-premises MySQL server to a managed VM on Azure.

Deploy the application to Azure App Service, and migrate the MySQL server to Azure Database for MySQL - Flexible Server.

Modernize the application architecture to microservices, deploy it to Azure Kubernetes Service, and migrate the MySQL server to Azure Database for MySQL - Flexible Server.

2.

An IT company wants to create a simple, cost-effective application that sends a notification to managers every time a code change is submitted. What is the best application hosting option on Azure for this scenario?

Azure Virtual Machines

Azure Functions

Azure Kubernetes Services (AKS)

3.

What connection information is sufficient to connect to and query a database on an Azure Database for MySQL flexible server from an application hosted in Azure App Service or AKS?

Server name, resource group name, admin username and password.

Server name, database name, admin username and password.

Server name, MySQL version, database name, admin username and password.

4.

An application is facing intermittent connectivity issues while connecting to MySQL - Flexible Server. These issues occur randomly and cannot be reproduced at will. What's the most likely cause for this issue and the best solution to mitigate it?

Transient faults; implement retry logic.

Wrong connection string used in the application; verify the connection string and connection information.

Flexible server's provisioned storage limit has been reached; scale up storage.

5.

Jim is tasked with developing an external facing website for his large organization using WordPress. He decides to deploy this application on Azure App Service and use Azure Database for MySQL - Flexible Server in the back end to store blog data. What is the most suitable Flexible Server compute tier for this workload?

Burstable

General Purpose

Business Critical

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