Duplicate management for leads has been implemented at universal containers but it seems duplicate leads are still being created. The org wide default is set to "Private" for leads.
Which two actions help prevent duplicate leads from being created?
Choose 2 answers.

Which sandbox is used for performance testing?

accounts and a secondary master detail relationship with contacts. The app builder has requirement to change the primary master relationship to lookup. What happens to the master detail relationship with contacts?

Universal Containers (UC) wants to build a Recruiting app that allows for multiple Positions to appear on custom objects Websites and Postings. UC requires a report that shows the related custom objects of Postings.
Which two items should an app builder configure to implement this?
Choose 2 answers

To synchronize accounts, orders, and shipments in real time, a developer hasbuilt a custom interface between an external system and salesforce. Prior todeployment, the developer needs to confirm that the interface can sustain thesyncing of thousands of records at a time. Which sandbox environment isrecommended to complete performance and load testing?