AZ-305 Question #11: Real Exam Question with Answer & Explanation

Question

Case Study 3 - Contoso Existing Environment: Technical Environment The on-premises network contains a single Active Directory domain named contoso.com. Contoso has a single Azure subscription. Existing Environment: Business Partnerships Contoso has a business partnership with Fabrikam, Inc. Fabrikam users access some Contoso applications over the internet by using Azure Active Directory (Azure AD) guest accounts. Requirements: Planned Changes Contoso plans to deploy two applications named App1 and App2 to Azure. Requirements: App1 App1 will be a Python web app hosted in Azure App Service that requires a Linux runtime. Users from Contoso and Fabrikam will access App1. App1 will access several services that require third-party credentials and access strings. The credentials and access strings are stored in Azure Key Vault. App1 will have six instances: three in the East US Azure region and three in the West Europe Azure region. App1 has the following data requirements: Each instance will write data to a data store in the same availability zone as the instance. Data written by any App1 instance must be visible to all App1 instances. App1 will only be accessible from the internet. App1 has the following connection requirements: Connections to App1 must pass through a web application firewall (WAF). Connections to App1 must be active-active load balanced between instances. All connections to App1 from North America must be directed to the East US region. All other connections must be directed to the West Europe region. Every hour, you will run a maintenance task by invoking a PowerShell script that copies files from all the App1 instances. The PowerShell script will run from a central location. Requirements: App2 App2 will be a NET app hosted in App Service that requires a Windows runtime. App2 has the following file storage requirements: Save files to an Azure Storage account. Replicate files to an on-premises location. Ensure that on-premises clients can read the files over the LAN by using the SMB protocol. You need to monitor App2 to analyze how long it takes to perform different transactions within the application. The solution must not require changes to the application code. Application Development Requirements Application developers will constantly develop new versions of App1 and App2. The development process must meet the following requirements: A staging instance of a new application version must be deployed to the application host before the new version is used in production. After testing the new version, the staging version of the application will replace the production version. The switch to the new application version from staging to production must occur without any downtime of the application. Identity Requirements Contoso identifies the following requirements for managing Fabrikam access to resources: Every month, an account manager at Fabrikam must review which Fabrikam users have access permissions to App1. Accounts that no longer need permissions must be removed as guests. The solution must minimize development effort. Security Requirement All secrets used by Azure services must be stored in Azure Key Vault. Services that require credentials must have the credentials tied to the service instance. The credentials must NOT be shared between services. Drag and Drop Question You need to recommend a solution that meets the file storage requirements for App2. What should you deploy to the Azure subscription and the on-premises network? To answer, drag the appropriate services to the correct locations. Each service may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content. NOTE: Each correct selection is worth one point. Answer:

Explanation

Azure Files provides a fully managed cloud file share accessible via SMB/NFS protocols, making it ideal for hosting shared file storage within an Azure subscription that multiple App1 instances across East US and West Europe can access. Azure File Sync is deployed on the on-premises network to synchronize on-premises file server content with the Azure Files share, enabling seamless hybrid connectivity between the on-premises environment and the cloud-hosted application - satisfying both the cloud and on-premises data sharing requirements simultaneously.

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