Hotspot Question You have two Azure App Service app named App1 and App2. Each app has a production deployment slot and a test deployment slot. The Backup Configuration settings for the production…

The correct answer is App1 = Yes; App2 = Yes. In Azure App Service, a 0-day backup retention means indefinite storage, backup settings are slot-specific, and you can restore a backup to any deployment slot.

Submitted by klara.se· Mar 4, 2026Monitor and back up Azure resources

Question

Hotspot Question You have two Azure App Service app named App1 and App2. Each app has a production deployment slot and a test deployment slot. The Backup Configuration settings for the production slots are shown in the following table. For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point. Answer:

Exhibits

Answer Area

App1Yes
App2Yes

Explanation

In Azure App Service, a 0-day backup retention means indefinite storage, backup settings are slot-specific, and you can restore a backup to any deployment slot.

Approach. 1. Statement 1 (No): In Azure App Service, setting the backup Retention (Days) to 0 means that backups are kept indefinitely, not immediately deleted. Since backups happen daily from January 6, by January 15 there will be 10 backups in storage, not just one.

Statement 2 (No): The table explicitly details the backup configuration for the production slots. Backup configurations are slot-specific and do not automatically apply to other deployment slots. Therefore, there is no automatic backup configured for the 'test' slot, meaning you cannot access a January 15 backup for it.
Statement 3 (Yes): The backup for App2's production slot taken on January 6 is retained for 30 days, making it available on January 15. Azure allows you to restore a backup to a different deployment slot within the same App Service, so restoring the production backup to the test slot is completely supported.

Common mistakes.

common_mistake. A frequent mistake is assuming a retention value of '0' means 'delete immediately' and relying on the 'Keep at least one backup' setting to keep only the latest backup. However, in Azure, 0 days means backups never expire. Another mistake is assuming that configuring backups for an App Service automatically covers all of its deployment slots; in reality, each slot is treated as an independent app with its own configuration.

Concept tested. Azure App Service Backup and Restore capabilities, Backup Retention Policies (0-day rule), and Deployment Slot configurations.

Reference. https://learn.microsoft.com/en-us/azure/app-service/manage-backup

Topics

#Azure App Service#App Service Deployment Slots#App Service Backup

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