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Salesforce CRT-450 Exam Questions
- Salesforce Certified Platform Developer Certifications
- Salesforce Platform Developer I Certifications
- Topic 1: Introduction To AW Computing/ Introduction To The Platform Developer 1 Certification
- Topic 2: Salesforce Fundamentals/ Database Modeling And Management/ Modeling Data, Managing Data
- Topic 3: Logic And Process Automation/ Working With Formulas And Rollup Summary Fields/ Debug And Deployment Tools
- Topic 4: Working With Basic Constructs In Apex/ Working With SOQL, Working With SOSL, Working With DML
- Topic 5: Working With Exceptions And Governor Limits/ Logic And Process Automation/ Working With Apex Classes
- Topic 6: Working With Apex Triggers/ Describing The Save Order Of Execution User Interface/ Working With Visualforce Pages
- Topic 7: Working With Visualforce Controllers/ Working With The Lightning Component Framework Testing
- Topic 8: Describing The Testing Framework And Requirements/ Creating Test Data And Tests/ Executing A Test/ Testing Considerations
- Topic 9:
Free Salesforce CRT-450 Exam Actual Questions
Note: Premium Questions for CRT-450 were last updated On Nov. 10, 2024 (see below)
A developer creates a custom exception as shown below:
public class ParityException extends Exception. {}
What are two ways the developer can fire the exception in Apex? Choose 2 answers
To fire an exception in Apex, the developer must use the throw statement along with an instance of the exception.
Option A: throw new ParityException();
Correct Way.
Creates a new instance of ParityException with no message and throws it.
Syntax is correct for throwing an exception.
Option C: throw new ParityException('parity does not match');
Correct Way.
Creates a new instance of ParityException with a custom message and throws it.
The exception class inherits from Exception, which allows passing a message to the constructor.
Options Not Correct:
Option B: new ParityException('parity does not match');
Incorrect.
This statement creates a new instance of ParityException but does not throw it.
Without the throw keyword, the exception is not fired.
Option D: new ParityException();
Incorrect.
Similar to Option B, this creates a new instance but does not throw it.
The exception will not affect the flow unless it is thrown.
Conclusion:
The two ways the developer can fire the exception are:
Option A: throw new ParityException();
Option C: throw new ParityException('parity does not match');
Both use the throw statement to fire the exception.
A credit card company needs to implement the functionality for a service agent to process damaged or stolen credit cards. When the customers call in, the service agent must gather many pieces of information. A developer is tasked to implement this functionality.
What should the developer use to satisfy this requirement in the most efficient manner?
The requirement is for service agents to gather many pieces of information when processing damaged or stolen credit cards.
Option A: Screen-based Flow
Correct Answer.
A Screen Flow allows developers to build guided, interactive forms that collect information from users.
Flows can have multiple screens, validation rules, and branching logic.
They can be created declaratively without code, making them efficient to implement.
Benefits:
Efficient Development: No need for code.
User-Friendly: Provides a step-by-step interface.
Maintainable: Easy to update as requirements change.
Building a custom Lightning Component requires development effort.
For simple data collection, a Flow is more efficient.
Option C: Approval Process
Incorrect.
Approval Processes are used for routing records for approval, not for gathering information from users.
Option D: Apex Trigger
Incorrect.
Triggers run in the background and are not used for interactive user interfaces.
Conclusion:
The most efficient way to satisfy the requirement is to use a Screen-based Flow, which is Option A.
Incorrect Options:
Option B: Lightning Component
*Possible but Less Efficient.
What is the value of the Trigger.old context variable in a before insert trigger?
Universal Containers has an order system that uses an Order Number to identify an order for customers and service agents. Order records will be imported into Salesforce.
How should the Order Number field be defined in Salesforce?
A developer at AW Computing is tasked to create the supporting test class for a programmatic customization that leverages records stored within the custom object,
Pricing Structure c. AW Computing has a complex pricing structure for each item on the store, spanning more than 500 records.
hich two approaches can the developer use to ensure Pricing _Structure__c records are available when the test class is executed?
Choose 2 answers
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