CRT-450 Salesforce Exam Questions and Free Practice Test

Question 31

A developer creates an Apex helper class to handle complex trigger logic. How can the helper class warn users when the trigger exceeds DML governor limits?

A. By using PageReference.setRedirect() to redirect the user to a custom Visualforce page before the number of DML statements is exceeded.

B. By using Messaging.sendEmail() to continue toe transaction and send an alert to the user after the number of DML statements is exceeded.

C. By using AmexMessage.Messages() to display an error message after the number of DML statements is exceeded.

D. By using Limits.getDMLRows() and then displaying an error message before the number of DML statements is exceeded.

Correct Answer:D

Question 32

A developer has the following code:try {List nameList;Account a;String s = a.Name;nameList.add(s);} catch (ListException le ) {System.debug(' List Exception ');} catch (NullPointerException npe) {System.debug(' NullPointer Exception ');} catch (Exception e) {System.debug(' Generic Exception ');} What message will be logged?

A. List Exception

B. NullPointer Exception

C. Generic Exception

D. No message is logged

Correct Answer:B

Question 33

What is a benefit of the Lightning Component framework?Choose 3 answers

A. It uses client-side Apex controllers for logic.

B. It uses a traditional publish-subscribe model.

C. It uses an event-driven architecture

D. It uses an MVC architectural design pattern.

E. It uses server-side JavaScript controller for logic.

Correct Answer:BCD

Question 34

A developer writes the following code:
CRT-450 dumps exhibit
What is the result of the debug statement? A. 1, 100

A. 1, 150

B. 2, 150

C. 2, 200

Correct Answer:C

Question 35

A developer creates a Workflow Rule declaratively that updates a field on an object. An Apex update trigger exists for that object. What happens when a user updates a record?

A. No changes are made to the data.

B. Both the Apex Trigger and Workflow Rule are fired only once.

C. The Workflow Rule is fired more than once.

D. The Apex Trigger is fired more than onc

Correct Answer:D

Question 36

A developer needs to join data received from an integration with an external system with parent records in Salesforce. The data set does not contain the Salesforce IDs of the parent records, but it does have a foreign key attribute that can be used to identify the parent.
Which action will allow the developer to relate records in the data model without knowing the Salesforce ID?

A. Create and populate a custom field on the parent object marked as Unique.

B. Create a custom field on the child object of type External Relationship.

C. Create and populate a custom field on the parent object marked as an External ID.

D. Create a custom field on the child object of type Foreign Key.

Correct Answer:D

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