DP-300 Plan and implement data platform resources Practice Question
You are deploying an Azure SQL Database that will be used by a critical financial application. The database must be protected against accidental deletion or modification of data by administrators. You need to implement a solution that allows point-in-time restore to any point within the last 35 days, even if an administrator accidentally drops a table. Which feature should you enable?
⚠ Common exam trap
Watch out — candidates often confuse the 'recycle bin' feature from on-premises SQL Server with Azure SQL Database, or mistakenly think LTR or geo-replication can undo accidental data changes, when in fact only PITR with the correct retention period provides this capability.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable automated backups and configure point-in-time restore with a retention period of 35 days.
Azure SQL Database's automated backups with point-in-time restore (PITR) allow you to restore a database to any point within the configured retention period, up to 35 days. This includes recovery from accidental table drops or data modifications, as PITR operates at the database level and can recover to a specific timestamp before the incident occurred.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Configure long-term backup retention (LTR) policies.
Why it's wrong here
LTR is for backups older than 35 days.
- ✗
Enable the Azure SQL Database recycle bin feature.
Why it's wrong here
Azure SQL Database does not have a recycle bin.
- ✓
Enable automated backups and configure point-in-time restore with a retention period of 35 days.
Why this is correct
Point-in-time restore can recover from accidental data modification.
- ✗
Set up Active Geo-Replication with a failover group.
Why it's wrong here
Geo-replication provides disaster recovery, not point-in-time recovery.
Go deeper
Related to this question
Learn chapter
Overview of Azure Data Platform Options
Key term
Azure SQL Performance Tuning
Azure SQL Performance Tuning is the process of optimizing the speed and efficiency of queries and database operations in Microsoft Azure SQL Database or SQL Managed Instance to reduce latency and improve throughput.
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