CRT-450 Exam Preparation Material | Prepare for your Platform Developer I Certification Exam

Prepare for the CRT-450 with reliable study materials, practice questions, and key exam insights.

Prepare for the CRT-450 Prepare for your Platform Developer I Certification exam with CertQueen's independently developed study resources. Review important concepts, practice scenario-based questions, and use clear explanations to identify areas that require further study.

Question#1

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:

Salesforce-CRT-4504_1

Which type of exception will this trigger cause?

A. A null reference exception
B. A compile time exception
C. A DML exception
D. A limit exception when doing a bulk update

Question#2

When an Account’s custom picklist field called Customer Sentiment is changed to a value of “Confused”, a new related Case should automatically be created.
Which two methods should a developer use to create this case? (Choose two.)

A. Process Builder
B. Apex Trigger
C. Custom Button
D. Workflow Rule

Question#3

A developer created a Visualforce page and a custom controller with methods to handle different buttons and events that can occur on the page.
What should the developer do to deploy to production?

A. Create a test class that provides coverage of the Visualforce page.
B. Create a test page that provides coverage of the Visualforce page.
C. Create a test page that provides coverage of the custom controller.
D. Create a test class that provides coverage of the custom controller.

Question#4

Which two number expressions evaluate correctly? (Choose two.)

A. Double d = 3.14159;
B. Integer I = 3.14159;
C. Decimal d = 3.14159;
D. Long l = 3.14159;

Question#5

How can a developer set up a debug log on a specific user?

A. It is not possible to setup debug logs for users other than yourself.
B. Ask the user for access to their account credentials, log in as the user and debug the issue.
C. Create Apex code that logs code actions into a custom object.
D. Set up a trace flag for the user, and define a logging level and time period for the trace.

Exam Code: CRT-450
Q & A: 245 Q&As         Updated:  Oct 26,2026

 

 Access Complete CRT-450 Preparation Material

What This CRT-450 Study Resource Helps You Do

Review Key Concepts

Review the technologies, products, processes, and practical skills covered by the current CRT-450 exam objectives.

Practice Scenario-Based Questions

Work through independently developed questions designed to strengthen your understanding of technical scenarios and decision-making.

Identify Knowledge Gaps

Use your results and the provided explanations to find weaker areas and focus your study more effectively.

How to Use This CRT-450 Preparation Material

Review the Exam Scope

Start by reviewing the topics covered by the CRT-450 exam. Compare them with the official exam objectives to understand the required technologies, operational tasks, and practical skills, then identify the areas that deserve the most attention.

Practice Independently

Complete a focused set of practice questions for each topic. On your first attempt, avoid referring to notes, answers, or other study resources so that you can evaluate your current understanding more accurately.

Study the Explanations

Review the answers and explanations after completing each practice session. Understand why the correct option is appropriate for the given scenario and why the other options may be incorrect or less suitable.

Close Knowledge Gaps

Keep track of incorrect answers, unfamiliar concepts, and weaker knowledge areas. Review these topics using official documentation and practical experience, then answer the related questions again to reinforce your understanding and monitor your progress.

Independent CRT-450 Preparation Resource

CertQueen independently develops its certification study materials for educational purposes. The practice questions are not copied from, recalled from, or presented as live or official exam questions.

CertQueen is not affiliated with, endorsed by, sponsored by, or authorized by any certification provider. Certification names, exam codes, product names, and related trademarks are the property of their respective owners and are referenced only for identification and educational purposes.

Exam Code: CRT-450
Q & A: 245 Q&As
Updated:  Oct 26,2026

 

 Access Complete CRT-450 Preparation Material