Auditing for<a href="https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-overview-what-is">Azure Synapse Analytics</a> and Azure SQL Database first tracks database events and then writes these events to an audit log under your Log Analytics workspace, Azure storage account, or Event Hubs. Which of the following statements are true about Auditing and Audit logs? (Select two options)

Answer options:

A.Audit logs are written to Append Blobs in Blob storage on your Azure subscription
B.While using Azure AD Authentication, even the failed logins records appear in the SQL audit log. 
C.The format for Audit logs is .xml.
D.You can use SQL Server Management Studio (SSMS) to open the audit logs.
E.If you want auditing on read-only replicas, you need to manually configure it.

Correct Answers: A and D 
Audit logs are written to Append Blobs in Blob storage on your Azure subscription. In Azure AD Authentication, the failed login records won’t appear in SQL audit logs. The format of Audit logs is .xel and can be viewed using SQL Server Management Studio. Auditing on Read-Only Replicas is enabled automatically.
Option A is correct. Audit logs are written to Append Blobs in Blob storage on your Azure subscription.
Option B is incorrect. In Azure AD Authentication, the failed login records won’t appear in SQL audit logs. If you want to see the failed login audit records, go to the Azure Active Directory portal, which logs the specifics of these events.
Option C is incorrect. Audit logs are in .xel format.
Option D is correct. Audit logs can be opened using SSMS.
Option E is incorrect. Auditing on Read-Only Replicas is enabled automatically.
Reference: 
To know more about Auditing, please visit the below-given link: 

https://docs.microsoft.com/en-us/azure/azure-sql/database/auditing-overview#setup-auditing