A lead object has a custom field Prior_Email__c. The following trigger is intended to copy the current Email into the Prior_Email__c field any time the Email field is changed:

Which type of exception will this trigger cause?

Which scenario is valid for execution by unit tests?

AW Computing (AWC) handles orders In Salesforce and stores Its product Inventory In a fter, inventory__c, on a custom object, Product__c. When en order for a Product__c Is placed, the inventory__c field Is reduced by the quantity of the order using an Apex trigger.

AWC wants the real-time inventory reduction for a product to be sent to many of Its external systems, Including some future systems the company Is currently planning.
What should a developer add to the code at the placeholder to meet these requirements?
A)

B)

C)

D)

A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or updated. The field update in the workflow rule is configured to not re-evaluate workflow rules.
What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?

A developer is implementing an Apex class for a financial system. Within the class, the variables 'creditAmount' and 'debtAmount' should not be able to change once a value is assigned. In which two ways can the developer declare the variables to ensure their value can only be assigned one time? Choose 2 answers