A developer is creating a test coverage for a class and needs to insert records to validate functionality.
Which method annotation should be used to create records for every method in the test class?

Application Events follow the traditional publish-subscribe model. Which method is used to fire an event?

A developer needs to create an audit trail for records that are sent to the recycle bin.
Which type of trigger is most appropriate to create?

The account object has a custom percent field, rating, defined with a length of 2 with 0 decimal places. An account record has the value of 50% in its rating field and is processed in the apex code below after being retrieved from the database with SOQL public void processaccount(){ decimal acctscore = acc.rating__c * 100; } what is the value of acctscore after this code executes?

Universal Containers wants Opportunities to be locked from editing when reaching the Closed/Won stage.
Which two strategies should a developer use to accomplish this? (Choose two.)