Plat-Dev-201 by Salesforce Actual Free Exam Q&As

Question 1

Which three code lines are required to create a Lightning component on a Visualforce page?
Choose 3 answers

A. $Lightning.useComponent B. $Lightning.createComponent C. <apex:includeLightning/> D. <apex:slds/> E. $Lightning.use

Discussion 0

Correct Answer: B,C,E Vote an answer

Question 2

What are three characteristics of change set deployments? Choose 3 answers

A. Deployment is done in a one-way, single transaction. B. Sending a change set between two orgs requires a deployment connection. C. Change sets can only be used between related organizations. D. Change sets can deploy custom settings data. E. Change sets can be used to transfer records.

Discussion 0

Correct Answer: B,D,E Vote an answer

Question 3

Managers at Universal Containers want to ensure that only decommissioned containers are able to be deleted in the system. To meet the business requirement a Salesforce developer adds
"Decommissioned" as ipicklist value for the Statu3__c custom field within the Container__c object.
Which two approaches could a developer use to enforce only Container records with a status of
"Decommissioned" can be deleted? Choose 2 answers

A. Apex trigger B. Before record-triggered flow C. Validation rule D. After record-triggered flow

Discussion 0

Correct Answer: A,D Vote an answer

Question 4

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<OpportunityLineItem> getOpportunityProducts(Set<Id> opportunityIds){ List<OpportunitylineItem> oppLineItems = new List<OpportunityLineItem>(); 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?

A. Use the System.Limits.getlimitQueries() method to ensure the number of queries is less than 100. B. Use the System.Limits.getQueries() method to ensure the number of queries is less than 100. C. Refactor the code above to perform only one SOQL query, filtering by the Set of opportunityIds. D. Refector the code above to perform the SOQL query only if the Set of opportunityIds contains less 100 Ids.

Discussion 0

Correct Answer: A Vote an answer

Question 5

Which three Salesforce resources can be accessed from a Lightning web component? Choose 3 answers

A. Content asset files B. Static resources C. Third-party web components D. SVG resources E. All external libraries

Discussion 0

Correct Answer: B,D,E Vote an answer

Question 6

What are three considerations when using the @InvocableMethod annotation in Apex? Choose 3 answers

A. A method using the @InvocableMethod annotation must be declared as static B. A method using the @InvocableMethod annotation must define a return value. C. Only one method using the @InvocableMethod annotqation can be defined per Apex class. D. A method using the @InvocableMethod annotation can have multiple input parameters. E. A method using the @InvocableMethod annotation can be declared as Public or Global.

Discussion 0

Correct Answer: A,C,E Vote an answer

Question 7

Ursa Major Solar has a custom object, serviceJob-o, with an optional Lookup field to Account called partner-service-Provider_c.
The TotalJobs-o field on Account tracks the total number of serviceJob-o records to which a partner service provider Account is related.
What is the most efficient way to ensure that the Total job_o field kept up to data?

A. Create a record-triggered flow on ServiceJob_o. B. Create a schedule-triggered flow on ServiceJob_o. C. Create an Apex trigger on ServiceJob_o. D. Change TotalJob_o to a roll-up summary field.

Discussion 0

Correct Answer: A Vote an answer

Question 8

If apex code executes inside the execute() method of an Apex class when implementing the Batchable interface, which statement are true regarding governor limits? Choose 2 answers

A. The apex governor limits are reset for each iteration of the execute() method. B. The Apex governor limits might be higher due to the asynchronous nature of the transaction. C. The Apex governor limits are relaxed while calling the constructor of the Apex class. D. The Apex governor limits cannot be exceeded due to the asynchronous nature of the transaction.

Discussion 0

Correct Answer: A,C Vote an answer

Question 9

A developer must create a CreditcardPayment class that provides an implementation of an existing Payment class. Public virtual class Payment { public virtual void makePayment(Decimal amount) { /*implementation*/ } } Which is the correct implementation?

A. Public class CreditCardPayment implements Payment {
public virtual void makePayment(Decimal amount) { /*implementation*/ } } B. Public class CreditCardPayment implements Payment {
public override void makePayment(Decimal amount) { /*Implementation*/ } } C. Public class CreditcardPayment extends Payment {
public override void makePayment(Decimal amount) { /*implementation*/ } } D. Public class CreditCardPayment extends Payment {
public virtual void makePayment(Decimal amount) { /*implementation*/ } }

Discussion 0

Correct Answer: C Vote an answer

Question 10

A developer is creating an app that contains multiple Lightning web components. One of the child components is used for navigation purposes. When a user click a button called.. component, the parent component must be alerted so it can navigate to the next page.
How should this be accomplished?

A. Fire a notification. B. Update a property on the parent. C. Create a custom event. D. Call a method in the Apex controller.

Discussion 0

Correct Answer: C Vote an answer

Question 11

A developer is migrating a Visualforce page into a Lightning web component. The Visualforce page shows information about a single record. The developer decides to use Lightning Data Service to access record data.
Which security consideration should the developer be aware of?

A. The with sharing keyword must be used to enforce sharing rules. B. The isAccessible ( ) method must be used for field-level access checks C. Lightning Data Service ignores field-level security. D. Lightning Data Service handles sharing rules and field-level security.

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Correct Answer: D Vote an answer

Question 12

Universal Containers implemented a private sharing model for the Account object. A custom Account search tool was developed with Apex to help sales representatives find accounts that match multiple criteria they specify. Since its release, users of the tool report they can see Accounts they do not own. What should the developer use to enforce sharing permission for the currently logged-in user while using the custom search tool?

A. Use the UserInfo Apex class to filter all SOQL queries to returned records owned by the logged-in user. B. Use the with sharing keyword on the class declaration. C. Use the schema describe calls to determine if the logged-in users has access to the Account object. D. Use the without sharing keyword on the class declaration.

Discussion 0

Correct Answer: B Vote an answer

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Question 13

What does the Lightning Component framework provide to developers?

A. Prebuilt component that can be reused. B. Templates to create custom components. C. Extended governor limits for applications D. Support for Classic and Lightning UIS.

Discussion 0

Correct Answer: A Vote an answer

Salesforce Certified Platform Developer - Plat-Dev-201 Exam Practice Test