Which feature allows a developer to create test records for use in test classes?

What are two characteristics of partial copy sandboxes versus full sandboxes? Choose 2 answers

A developer wants multiple test classes to use the same set of test dat a. How should the developer create the test data?

A developer is tasked to perform a security review of the ContactSearch Apex class that exists in the system. Whithin the class, the developer identifies the following method as a security threat: List<Contact> performSearch(String lastName){ return Database.query('Select Id, FirstName, LastName FROM Contact WHERE LastName Like %'+lastName+'%); } What are two ways the developer can update the method to prevent a SOQL injection attack? Choose 2 answers

A development team wants to use a deployment script to automatically deploy to a sandbox during their development cycles. Which tool should they use to deploy to the sandbox?