Free Salesforce DEX-450 Exam Dumps and DEX-450 Exam Questions

Question No: 31

MultipleChoice

What is the result of the following Classes page?

Options

AView the Code Coverage column in the view on the Apex Classes page.

BView the Class test Coverage tab on the Apex Class record.

Cview the overall Code Coverage panel of the tab in the Developer Console.

DSelect and run the class on the Apex Test Execution page

Question No: 32

MultipleChoice

A developer must modify the following code snippet to prevent the number of SOQL queries issued from exceeding the platform governor limit. public class without sharing OpportunityService( public static List&lt;OpportunityLineItem&gt; getOpportunityProducts(Set&lt;Id&gt; opportunityIds){ List&lt;OpportunitylineItem&gt; oppLineItems = new List&lt;OpportunityLineItem&gt;(); for(Id thisOppId : opportunityIds){ oppLineItems.addAll([Select Id FROM OpportunityLineItems WHERE OpportunityId = :thisOppId)]; } return oppLineItems; } } The above method might be called during a trigger execution via a Lightning component. Which technique should be implemented to avoid reaching the governor limit?

Options

AUse the System.Limits.getQueries() method to ensure the number of queries is less than 100.

BUse the System.Limits.getlimitQueries() method to ensure the number of queries is less than 100.

CRefector the code above to perform the SOQL query only if the Set of opportunityIds contains less 100 Ids.

DRefactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds.

Question No: 33

MultipleChoice

A developer considers the following snippet of code: Boolean isOK; integer x; String theString = 'Hello'; if (isOK == false && theString == 'Hello') { x = 1; } else if (isOK == true && theString =='Hello') { x = 2; } else if (isOK != null && theString == 'Hello') { x = 3; } else { x = 4; } Based on this code, what is the value of x?

Options

A2

B1

C3

D4

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