A. ✅ Correct – Send Logs are based on data extensions, and they respect data retention settings configured during their creation. If archiving or retention is enabled, the system will manage the cleanup accordingly.

B. ✅ Correct – You can use SQL Query Activities in Automation Studio to join or reference Send Logs along with system data views (like _Sent, _Open, _Click), which is common for reporting and analytics.

C. ❌ Incorrect – There is no hard limit of three Send Logs per business unit. You can create multiple Send Logs as needed, though best practices recommend limiting them for manageability and performance.

D. ❌ Incorrect – AMPscript is not used to pull data from Send Logs inside an email. AMPscript can be used to log data into a Send Log during the email send process but not to query Send Log data for use during rendering.

AB
A. Send Log data extensions are archived automatically based on retention settings.

Send Log data extensions can be configured with data retention policies to automatically delete records after a specified period, helping manage data storage and maintain system performance. (Salesforce Help)

B. SQL Query Activities can reference Send Logs in combination with system data views.

SQL Query Activities can access Send Log data extensions alongside system data views, enabling comprehensive analysis and reporting on send data. (Salesforce Ben)

C. A business unit can support up to three Send Logs.

This statement is incorrect. Each business unit can have only one Send Log per channel (Email, SMS, or Push). (Trailhead)

D. AMPscript can be used to pull data from Send Logs for use within emails.

This statement is incorrect. AMPscript is used to personalize content within emails and cannot retrieve data from Send Logs during email sends.

It is B and D. Send Log data extensions are never archived. Its deleted. A business unit can support only one Send Log.