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Latest CRT-450 Exam Questions


Question # 1



Given the following code snippet, that is part of a custom controller for a Visualforce page:

In which two ways can the try/catch be enclosed to enforce object-level permissions and prevent the DML statement from being executed if the current logged- in user does not have the appropriate level of access to the object? (Choose two.)
A. Use if(thisContact.OwnerId == User.Info.getUserId())
B. Use if(Schema.sObjectType.Contact.isAccessible())
C. Use if(Schema.sObjectType.Contact.fields.Is_Active__c.isUpdateable())
D. Use if(Schema.sObjectType.Contact.isUpdateable())



B.   Use if(Schema.sObjectType.Contact.isAccessible())


D.   Use if(Schema.sObjectType.Contact.isUpdateable())




Question # 2



Universal Containers (UC) processes orders in Salesforce in a custom object, Order__c. They also allow sales reps to upload CSV files with thousands of orders at a time. A developer is tasked with integrating orders placed in Salesforce with UC’s enterprise resource planning (ERP) system. After the status for an Order__c is first set to ‘Placed’, the order information must be sent to a REST endpoint in the ERP system that can process one order at a time. What should the developer implement to accomplish this?
A. Callout from a Queueable class called from a trigger
B. Callout from a Batchable class called from a scheduled job
C. Callout from an @future method called from a trigger
D. Flow with a callout from an invocable method



A.   Callout from a Queueable class called from a trigger




Question # 3



Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records. Which Visualforce feature supports this requirement?
A. tag
B. recordSetVar page attribute
C. custom controller
D. controller extension



B.   recordSetVar page attribute




Question # 4



Universal Containers wants Opportunities to no longer be editable when reaching the Closed/Won stage. Which two strategies can a developer use to accomplish this? (Choose two.)
A. Use an after-save flow.
B. Use a validation rule.
C. Use the Process Automation Settings.
D. Use a trigger.



B.   Use a validation rule.


D.   Use a trigger.




Question # 5



Universal Containers is building a recruiting app with an Applicant object that stores information about an individual person and a Job object that represents a job. Each applicant may apply for more than one job. What should a developer implement to represent that an applicant has applied for a job?
A. Lookup field from Applicant to Job
B. Junction object between Applicant and Job
C. Master-detail field from Applicant to Job
D. Formula field on Applicant that references Job



B.   Junction object between Applicant and Job




Question # 6



How can a developer check the test coverage of auto launched Flows before deploying them in a change set?
A. Use the Flow Properties page.
B. Use the ApexTestResult class.
C. Use SOQL and the Tooling API.
D. Use the Code Coverage Setup page.



C.   Use SOQL and the Tooling API.




Question # 7



Which three statements are true regarding custom exceptions in Apex? (Choose three.)
A. A custom exception class must extend the system Exception class.
B. A custom exception class can implement one or many interfaces.
C. A custom exception class cannot contain member variables or methods.
D. A custom exception class name must end with ג€Exceptionג€.
E. A custom exception class can extend other classes besides the Exception class.



A.   A custom exception class must extend the system Exception class.


B.   A custom exception class can implement one or many interfaces.


D.   A custom exception class name must end with ג€Exceptionג€.




Question # 8



A developer created a child Lightning web component nested inside a parent Lightning web component. The parent component needs to pass a string value to the child component. In which two ways can this be accomplished? (Choose two.)
A. The parent component can use a custom event to pass the data to the child component.
B. The parent component can invoke a method in the child component.
C. The parent component can use a public property to pass the data to the child component.
D. The parent component can use the Apex controller class to send data to the child component.



B.   The parent component can invoke a method in the child component.


C.   The parent component can use a public property to pass the data to the child component.




Question # 9



A developer created a trigger on a custom object. This custom object also has some dependent pick lists. According to the order of execution rules, which step happens first?
A. System validation is run for maximum field lengths.
B. The original record is loaded from the database.
C. Old values are overwritten with the new record values,
D. JavaScript validation is run In the browser.



D.   JavaScript validation is run In the browser.




Question # 10



Which two operations affect the number of times a trigger can fire? (Choose two.)
A. Criteria-based sharing calculations
B. After-save record-triggered flow
C. Roll-up summary fields
D. Email messages



A.   Criteria-based sharing calculations


C.   Roll-up summary fields



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Exam Code: CRT-450
Exam Name: Salesforce Certified Platform Developer I (SU24)

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