Online Access Free CRT-450 Exam Questions

Refer to the code snippet below:

When a Lightning web component is rendered, a list of apportunities that match certain criteria shopuld be retrievved from the database and displayed to the end user.

Which three Considerations must the developer implement to make the method available within the Lightning web component? Choose 3 answer

• A.The method cannot mutate the result set retrieved from the database.
• B.The method must be annotaled with true Invocablemethod annolation
• C.The method must be annotated with the AureEnabled annolation
• D.The method must specify the (cacheable-trun) attribute
• E.The method must specify the (continuation-true) attribute

A developer creates a batch Apex job to update a large number of records, and receives reports of the job timing out and not completing.
What is the first step towards troubleshooting the issue?

• A.Check the asynchronous job monitoring page to view the job status and logs.
• B.Disable the batch job and recreate it with a smaller number of records.
• C.Check the debug logs for the batch job.
• D.Decrease the batch size to reduce the load on the system.

Which three statements are true regarding custom exceptions in Apex? (Choose three.)

• A.A custom exception class name must end with "Exception".
• B.A custom exception class can extend other classes besides the Exception class.
• C.A custom exception class must extend the system Exception class.
• D.A custom exception class cannot contain member variables or methods.
• E.A custom exception class can implement one or many interfaces.

A developer is debugging the following code to determinate why Accounts are not being created Account a = new Account(Name = 'A'); Database.insert(a, false); How should the code be altered to help debug the issue?

• A.Collect the insert method return value a Saveresult variable
• B.Set the second insert method parameter to TRUE
• C.Add a try/catch around the insert method
• D.Add a System.debug() statement before the insert method

Which action causes a before trigger to fire by default for Accounts?

• A.Renaming or replacing picklist
• B.Importing data using the Data Loader and the Bulk API
• C.Converting Leads to Contact accounts
• D.Updating addresses using the Mass Address update tool