A developer has a requirement to create an Order when an Opportunity reaches a 'Closed-Won' status.
Which tool should be used to implement this requirement?

Which three statements are true regarding the @istest annotation? Choose 3 answers

A developer must modify the following code snippet to prevent the number of SOQL queries issued from exceeding the platform governor limit. public class without sharing OpportunityService( public static List<OpportunityLineItem> getOpportunityProducts(Set<Id> opportunityIds){ List<OpportunitylineItem> oppLineItems = new List<OpportunityLineItem>(); for(Id thisOppId :
opportunityIds){ oppLineItems.addAll([Select Id FROM OpportunityLineItems WHERE OpportunityId = :thisOppId)]; } return oppLineItems; } } The above method might be called during a trigger execution via a Lightning component. Which technique should be implemented to avoid reaching the governor limit?

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?

Which code should be used to update an existing Visualforce page that uses standard Visualforce components so that the page matches the look and feel of Lightning Experience?