Free Salesforce CRT-450 Exam Questions

A developer has to identify a method in en Apex class that performs resource intensive actions in memory by iterating over the result set of a SOQL statement on the account. The method also performs a SOQL statement to save the changes to the database.

Which two techniques should the developer implement as a best practice to ensure transaction control and avoid exceeding governor limits?

Choose 2 answers

A lead developer creates an Apex interface called 'Laptop'. Consider the following code snippet:

A developer Is asked to create a Visualforce page that lists the contacts owned by the current user. This component will be embedded In a Lightning page.

Without writing unnecessary code, which controller should be used for this purpose?

A recursive transaction is limited by a DML statement creating records for these two objects:

1. Accounts

2. Contacts

The Account trigger hits a stack depth of 16.

Which statement is true regarding the outcome of the transaction?

A developer identifies the following triggers on the Expense_c object:

DeleteExpense,

applyDefaultstoexpense

validateexpenseupdate;

The triggers process before delete, before insert, and before update events respectively.

Which two techniques should the developer implement to ensure trigger best practice are

followed?