Online Access Free Salesforce.TVB-450.v2024-05-07.q102 Practice Test (Page 10)

TVB-450 Exam Question 41

As a part of class implementation a developer must execute a SOQL query against a large data ser based on the contact object. The method implementation is as follows.

Which two methods are best practice to implement heap size control for the above code? (Choose 2 Answers)

A.Use the FOR UPDATE option on the SOQL query to lock down the records retrieved.

B.Use WHERE clauses on the SOQL query to reduce the number of records retrieved.

C.Use visual keyword when declaring the retrieve variable.

D.Use a SOQL FOR loop, to chunk the result set in batches of 200 records.

TVB-450 Exam Question 42

Which two characteristics are true for Aura component events? Choose 2 answers

A.By default, containers can handle events thrown by components they contain.

B.The event propagates to every owner in the containment hierarchy.

C.If a container component needs to handle a component event, add a includeFacets" true" attribute to its handler.

D.Depending on the current propagation phase, calling event. Stoppropagation () may not stop the event propagation.

TVB-450 Exam Question 43

A developer needs to confirm that a Contact trigger works correctly without changing the organization's dat a. what should the developer do to test the Contact trigger?

A.Use Deploy from the VSCode IDE to display an 'insert Contact' Apex class.

B.Use the Open execute Anonymous feature on the Developer Console to run an 'insert Contact' DML statement

C.Use the New button on the Salesforce Contacts Tab to create a new Contact record.

D.Use the Test menu on the Developer Console to run all test classes for the Contact trigger

TVB-450 Exam Question 44

A developer creates a custom exception as shown below:
What are two ways the developer can fire the exception in Apex? Choose 2 answers

A.New ParityException( );

B.Throw new parityException ( );

C.Throw new ParityException (parity does not match);

D.New ParityException (parity does not match);

TVB-450 Exam Question 45

Given the code below:

What should a developer do to correct the code so that there is no chance of hitting a governor limit?

A.Add a LIMIT clause to the first SELECT SOQL statement.

B.Rework the code and eliminate the for loop.

C.Add a WHERE clause to the first SELECT SOQL statement.

D.combine the two SELECT statements into a single SOQL statement.

Other Version: 1787Salesforce.TVB-450.v2023-04-18.q60; 4391Salesforce.TVB-450.v2022-10-10.q103

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TVB-450 Exam Question 41

TVB-450 Exam Question 42

TVB-450 Exam Question 43

TVB-450 Exam Question 44

TVB-450 Exam Question 45

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