Salesforce Platform Developer I Quiz 9 Topic 5 Questions 41-45

Question: 1

What are two ways for a developer to execute tests in an org?

ATooling API

BDeveloper console

CBulk API

DMatadata API

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Question: 2

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?

A2

B1

C3

D4

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Question: 3

Which two are best practices when it comes to component and application event handling? Choose 2 answers

AHandle low-level events in the event handler and re-fire them as higher-level events. (Missed)

BTry to use application events as opposed to component events.

CUse component events to communicate actions that should be handled at the application level.

DReuse the event logic in a component bundle, by putting the logic in the helper. (Missed)

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Question: 4

A developer needs to create a custom Interface in Apex.

Which three considerations must the developer keep in mind while developing the Apex Interface'

Choose 3 answers

AThe Apex class must be declared using the interface keyword.

BA method implementation can be defined within the Apex Interface.

CThe Apex interface class access modifier can be set to Private, Public, or Global.

DA method defined In an Apex Interface cannot have an access modifier.

ENew methods can be added to a public interface within a released package.

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Question: 5

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?

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.

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Salesforce Platform Developer I Quiz:9 Topic:5 Questions:41-45