Which three process automations can immediately send an email notification to the owner of an Opportunity when its Amount is changed to be greater than $10,000? Choose 3 answers

A developer created this Apex trigger that calls MyClass,myStartmethod:

The developer creates a test method that calls MyClase,myStartmethod directly, resulting in 81% overall code coverage.
What happens wtier the developer tries to deploy the ... and two classes to production, assuming no other code exists?

A developer needs to import customer subscription records into salesforce and attach them to existing account records. Which 2 actions should the developer take to ensure the subscription records are related to the correct account records? Choose 2 answers

In a single record, a user selects multiple values from a multi-select picklist. How are the selected values represented in Apex?

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