DP-300 Practice Question: Monitor, configure, and optimize database resources
Exhibit
Refer to the exhibit.
{
"properties": {
"state": "Enabled",
"location": "westus",
"serverName": "myserver",
"databaseName": "mydb",
"storageContainerUri": "https://mystorage.blob.core.windows.net/backups",
"storageContainerSasToken": "?sv=2018-03-28&..."
}
}You are reviewing an Azure Resource Manager template snippet for configuring long-term backup retention for an Azure SQL Database. The deployment fails with an error indicating the storage account is not accessible. What is the most likely cause?
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
✓
The SAS token has expired or is invalid
The error indicates that the storage account is not accessible. In the template, a SAS token is used to authenticate access to the storage container for long-term backup retention. The most common reason for this error is that the SAS token has expired or is invalid, as SAS tokens have an expiration date. Therefore, Option C is correct. Option A is incorrect because the server name mismatch would cause a different error. Option B is incorrect because the URI format may be valid, but the token is the issue. Option D is incorrect because cross-region storage is supported for long-term retention.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The server name in the template does not match the actual server
Why it's wrong here
The error indicates storage access issue, not server mismatch.
- ✗
The storage container URI is incorrectly formatted
Why it's wrong here
The URI appears correctly formatted.
- ✓
The SAS token has expired or is invalid
Why this is correct
Expired or invalid SAS token is a common cause of access errors.
- ✗
The database is not in the same region as the storage account
Why it's wrong here
Cross-region backup is supported.
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.
Key term
Azure SQL Database Backup
Azure SQL Database Backup is a fully managed, automated service that creates and stores copies of your SQL database data and transaction logs in Azure storage, enabling point-in-time recovery and long-term retention for data protection and business continuity.
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