CRT-450 Free Practice Test

Which trigger event allows a developer to update fields in the Trigger.new list without using an additional DML statement?Choose 2 answers

1. A. Before insert
2. B. Before update
3. C. After update
4. D. After insert

Correct Answer: AB

What is a benefit of using an after insert trigger over using a before insert trigger?

1. A. An after insert trigger allows a developer to bypass validation rules when updating fields on the new record.
2. B. An after insert trigger allows a developer to insert other objects that reference the new record.
3. C. An after insert trigger allows a developer to make a callout to an external service.
4. D. An after insert trigger allows a developer to modify fields in the new record without a query.

Correct Answer: B

A user selects a value from a multi-select picklist. How is this selected value represented in Apex?

1. A. As a string ending with a comma
2. B. As a string
3. C. As a list< String> with one element
4. D. As a set< string> with one element

Correct Answer: B

What is a correct pattern to follow when programming in Apex on a Multi-tenant platform?

1. A. Apex code is created in a separate environment from schema to reduce deployment errors.
2. B. DML is performed on one record at a time to avoid possible data concurrency issues.
3. C. Queries select the fewest fields and records possible to avoid exceeding governor limits.
4. D. Apex classes use the ''with sharing" keyword to prevent access from other server tenant

Correct Answer: C

A developer has the following trigger that fires after insert and creates a child Case whenever a new Case is created. List childCases = new List();for (Case parent : Trigger.new){Case child = new Case (ParentId = parent.Id, Subject = parent.Subject);childCases.add(child);}insert childCases; What happens after the code block executes?

1. A. Multiple child cases are created for each parent case in Trigger.new.
2. B. Child case is created for each parent case in Trigger.new.
3. C. The trigger enters an infinite loop and eventually fails.
4. D. The trigger fails if the Subject field on the parent is blan

Correct Answer: B