Free Access Salesforce.CRT-450.v2022-08-02.q144 Practice Test (Page 4)

Question 11

In Lightning component framework, which resource can be used to fire events? Choose 2 answers.

A.Javascript controller actions

B.Visualforce controller actions

C.Third-party web service code

D.Third-party Javascript code

Question 12

Which two ways can a developer instantiate a PageReference in Apex? Choose 2 answers

A.By using the PageReference.getURL() method

B.By using an object standard set controller action

C.By using an object standard controller action

D.By using ApexPages.currentPage()

Question 13

A developer has a unit test that is failing. To identify the issue, the developer copies the code inside the test method and executes it via the Execute Anonymous Apex Tool. The code then executes without failing. Why did the unit test failed, but not the Execute Anonymous?

A.The test method has a syntax error in the code.

B.The test method calls an @future method.

C.The test method use a try/catch block

D.The test method relies on existing data in the database

Question 14

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

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

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

D.Use visual keyword when declaring the retrieve variable.

Question 15

An org tracks customer orders on an Order object and the items of an Order on the Line Item object. The Line Item object has a MasterDetail relationship to the order object. A developer has a requirement to calculate the order amount on an Order and the line amount on each Line item based on quantity and price.
What is the correct implementation?

A.Implement the Line amount as a currency field and the order amount as a SUM formula field.

B.Write a process on the Line item that calculates the item amount and order amount and updates the filed on the Line Item and the order.

C.Implement the line amount as a numeric formula field and the order amount as a roll-up summary field.

D.Write a single before trigger on the Line Item that calculates the item amount and updates the order amount on the Order.

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Question 11

Question 12

Question 13

Question 14

Question 15

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