Platform-Developer-I Free Practice Test

A business has a proprietary Order Management System (OMS) that creates orders from their website and fulfills the orders. When the order is created in the OMS, an integration also creates an order record in Salesforce and relates it to the contact as identified by the email on the order. As the order goes through different stages in the OMS, the integration also updates It in Salesforce. It is noticed that each update from the OMS creates a new order record in Salesforce.
Which two actions will prevent the duplicate order records from being created in Salesforce? Choose 2 answers

1. A. Ensure that the order number in the OMS is unique.
2. B. Use the order number from the OMS as an external ID.
3. C. Use the email on the contact record as an external ID.
4. D. Write a before trigger on the order object to delete any duplicates.

Correct Answer: AD

A developer created a new trigger that inserts a Task when a new Lead is created. After deploying to production, an outside integration chat reads task records is periodically reporting errors.
Which change should the developer make to ensure the integration is not affected with minimal impact to business logic?

1. A. Deactivate the trigger before the integration runs.
2. B. Use a try-catch block after the insert statement.
3. C. Remove the Apex class from the integration user's profile.
4. D. Use the Database method with all or None set to false

Correct Answer: C

A developer wants to mark each Account in a List as either or Inactive based on the LastModified field value being more than 90 days.
Which Apex technique should the developer use?

1. A. A for loop, with a switch statement inside
2. B. A Switch statement, with a for loop inside
3. C. An If/else statement, with a for loop inside
4. D. A for loop, with an if/else statement inside

Correct Answer: D

Which aspect of Apex programming is limited due to multitenancy?

1. A. The number of active Apex classes
2. B. The number of methods in an Apex Class
3. C. The number of records processed in a loop
4. D. The number of records returned from database queries

Correct Answer: D

A develop completed modification to a customized feature that is comprised of two elements: Apex trigger Trigger handler Apex class
What are two factors that the developer must take into account to properly deploy the modification to the production environment?

1. A. Apex classes must have at least 75% code coverage org-wide.
2. B. At least one line of code must be executed for the Apex trigger.
3. C. All methods in the test classes must use @isTest.
4. D. Test methods must be declared with the testMethod keyword.

Correct Answer: AB