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Free PDI Sample Questions and 100% Cover Real Exam Questions (Updated 207 Questions)
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How to study the PDI Exam
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NEW QUESTION 90
A developer has a Apex controller for a Visualforce page that takes an ID as a URL parameter. How should the developer prevent a cross site scripting vulnerability?
- A. String.escapeSingleQuotes(ApexPages.currentPage() .getParameters(). get('url_param'))
- B. ApexPages.currentPage() .getParameters() .get('url_param')
- C. ApexPages.currentPage() .getParameters() .get('url_param') .escapeHtml4()
- D. String.ValueOf(ApexPages.currentPage() .getParameters() .get('url_param'))
Answer: A
NEW QUESTION 91
An Apex method, getAccounts, that returns a List of Accounts given a search Term, is available for Lighting Web components to use. What is the correct definition of a Lighting Web component property that uses the getAccounts method?
- A. @wire(getAccounts, {searchTerm: '$searchTerm'})
accountList; - B. @wire(getAccounts, '$searchTerm')
accountList; - C. @AuraEnabled(getAccounts, {searchTerm: '$searchTerm'})
accountList; - D. @AuraEnabled(getAccounts, '$searchTerm')
accountList;
Answer: A
Explanation:
Explanation
https://developer.salesforce.com/docs/component-library/documentation/en/48.0/lwc/lwc.data_wire_service_abo
NEW QUESTION 92
A Next Best Action strategy uses an Enchance Element that invokes an Apex method to determine a discount level for a Contact, based on a number of factors. What is the correct definition of the Apex method?
- A. @InvocableMethod
global static List<List<Recommendation>> getLevel(List<ContactWrapper> input)
{ /*implementation*/ } - B. @InvocableMethod
global static ListRecommendation getLevel(List<ContactWrapper> input)
{ /*implementation*/ } - C. @InvocableMethod
global List<List<Recommendation>> getLevel(List<ContactWrapper> input)
{ /*implementation*/ } - D. @InvocableMethod
global Recommendation getLevel (ContactWrapper input)
{ /*implementation*/ }
Answer: A
NEW QUESTION 93
Which approach should a developer use to add pagination to a Visualforce page?
- A. The extensions attribute for a page
- B. A StandardSetController
- C. A StandardController
- D. The Action attribute for a page
Answer: B
NEW QUESTION 94
Which two characteristics are true for Aura component events?
- A. Only parent components that create subcomponents (either in their markup or programmatically) can handle events.
- B. If a container component needs to handle a component event, add a handleFacets='' attribute to Its handler.
- C. Calling event, stopPropagation ( ) may or may not stop the event propagation based of the current propagation phase.
- D. The event propagates to every owner In the containment hierarchy.
Answer: C,D
NEW QUESTION 95
A Visualforce page uses the Contact standard controller. How can a developer display the Name from the parent Account record on the page?
- A. Use an additional standard controller for Accounts.
- B. Use additional Apex logic within the controller to query for the Name field.
- C. Use the (!contact.Account.Name) merge field syntax.
- D. Use SOQL syntax to find the related Accounts Name field.
Answer: C
NEW QUESTION 96
What are two benefits of the Lightning Component framework? (Choose two.)
- A. It promotes faster development using out-of-box components that are suitable for desktop and mobile devices.
- B. It allows faster PDF generation with Lightning components.
- C. It provides an event-driven architecture for better decoupling between components.
- D. It simplifies complexity when building pages, but not applications.
Answer: A,C
NEW QUESTION 97
Which two are true regarding a Dyno? Choose 2 answers
- A. Is a lightweight Linux container used in a collection to run Heroku applications
- B. Has the ability to sleep as a standard and performance Dyno
- C. Is a light weight VM used to run code on the Heroku Platform
- D. Has Ephemeral filesystems and is rebooted every 24 hours.
Answer: A,D
NEW QUESTION 98
A developer is asked to create a Visualforce page for Opportunities that allows users to save or merge the current record.
Which approach should the developer to meet this requirement?
- A. Visualforce page JavaScript
- B. A custom controller extension
- C. Standard controller methods
- D. A custom controller
Answer: D
NEW QUESTION 99
Which is a valid Apex assignment?
- A. Integer x = 5*1.0;
- B. Float x = 5.0;
- C. Integer x = 5.0;
- D. Double x = 5;
Answer: D
NEW QUESTION 100
What can used to delete components from production?
- A. An ant migration tool deployment with destructivechanges xml file and the components to delete in the package .xml file
- B. A change set deployment with a destructivechanges XML file
- C. A change set deployment with the delete option checked
- D. An ant migration tool deployment with a destructivechanges XML file and an empty package .xml file
Answer: D
NEW QUESTION 101
The values 'High', 'Medium', and 'Low' are Identified as common values for multiple picklist across different object. What is an approach a developer can take to streamline maintenance of the picklist and their values, while also restricting the values to the ones mentioned above?
- A. Create the Picklist on each object as a required field and select "Display values alphabeticaly, not in the order entered".
- B. Create the Picklist on each object and use a Global Picklist Value Set containing the Values.
- C. Create the Picklist on each object and select "Restrict picklist to the values defined in the value set".
- D. Create the Picklist on each and add a validation rule to ensure data integrity.
Answer: B
NEW QUESTION 102
Given the following block code: try{ List <Accounts> retrievedRecords = [SELECT Id FROM Account WHERE Website = null]; }catch(Exception e){ //manage exception logic } What should a developer do to ensure the code execution is disrupted if the retrievedRecordslist remains empty after the SOQL query?
- A. Check the state of the retrieveRecords variable and throw a custom exception if the variable is empty.
- B. Replace the retrievedRecords variable declaration from ftount to a single Account.
- C. Check the state of the retrievedRecords variable and use System.assert(false) if the variable is empty
- D. Check the state of the retrievedRecords variable and access the first element of the list if the variable is empty.
Answer: C
NEW QUESTION 103
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 with sharing keyword on the class declaration.
- B. Use the without 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 UserInfo Apex class to filter all SOQL queries to returned records owned by the logged-in user.
Answer: A
NEW QUESTION 104
A developer receives an error when trying to call a global server-side method using the @remoteAction decorator.
How can the developer resolve the error?
- A. Add static to the server-side method signature.
- B. A Decorate the server-side method with (static=true).
- C. Change the function signature to be private static.
- D. Decorate the server-side method with (static=false).
Answer: B
NEW QUESTION 105
What is the result of the following code snippet?
- A. 0 Accounts are inserted.
- B. 201 Accounts are inserted.
- C. 200 Accounts are inserted.
- D. 1 Account is inserted.
Answer: A
NEW QUESTION 106
Which one do you like?
What should a developer consider for an environment that has over 10,000 Case records?
- A. The transaction will succeed and changes will be committed.
- B. The transaction will fail due to exceeding the governor limit.
- C. The try/catch block will handle any DML exceptions thrown.
- D. The try/catch block will handle exceptions thrown by governor limits.
Answer: B
NEW QUESTION 107
Where can the custom roll-up summary fields be created using Standard Object relationships (Choose 3)
- A. On Campaign using Campaign Member records.
- B. On Opportunity using Opportunity Product records.
- C. On Account using Case records.
- D. On Account using Opportunity records.
- E. On Quote using Order records.
Answer: A,B,D
NEW QUESTION 108
Universal Containers recently transitioned from Classic to Lighting Experience. One of its business processes requires certain value from the opportunity object to be sent via HTTP REST callout to its external order management system based on a user-initiated action on the opportunity page. Example values are as follow
* Name
* Amount
* Account
Which two methods should the developer implement to fulfill the business requirement? (Choose 2 answers)
- A. Create an after update trigger on the Opportunity object that calls a helper method using
@Future(Callout=true) to perform the HTTP REST callout. - B. Create a Lightning component that performs the HTTP REST callout, and use a Lightning Action to expose the component on the Opportunity detail page.
- C. Create a Visualforce page that performs the HTTP REST callout, and use a Visualforce quick action to expose the component on the Opportunity detail page.
- D. Create a Process Builder on the Opportunity object that executes an Apex immediate action to perform the HTTP REST callout whenever the Opportunity is updated.
Answer: C,D
NEW QUESTION 109
A developer is asked to create a Visualforce page that displays some Account fields as well as fields configured on the page layout for related Contacts.
How should the developer implement this request?
- A. Use the <apex:include> tag.
- B. Create a controller extension.
- C. Add a method to the standard controller.
- D. Use the <apex:relatedList> tag.
Answer: D
NEW QUESTION 110
A developer wants to invoke on outbound message when a record meets aspecific criteria.
Which three features satisfy this use case?
Choose 3 answer
- A. Process builder can be used to check the record criteria andsend an outbound message with Apex Code.
- B. Process builder can be used to check the record criteria and send an outbound messagewithout Apex Code.
- C. Visual Workflow canbe used to check the record criteria and send an outbound message without Apex Code.
- D. workflows can be used to check the record criteria and send an outbound message.
- E. Approval Process has the capacity to check the record criteria and send an outbound message without Apex Code
Answer: A,D,E
NEW QUESTION 111
A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple sObjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URLWhich statement is unnecessary inside the unit test for the custom controller?
- A. Public ExtendedController (ApexPages.StandardController cntrl) { }
- B. Test.setCurrentPage(pageRef),
- C. String nextPage = controller.save().getUrl();
- D. ApexPages.currentPage().getParameters().put('input', 'TestValue')
Answer: A,C
NEW QUESTION 112
The following Apex method is part of the ContactService class that is called from a trigger: public static void setBusinessUnitToEMEA(Contact thisContact){ thisContact.Business_Unit__c = "EMEA" ; update thisContact; } How should the developer modify the code to ensure best practice are met?
- A. Public void setBusinessUnitToEMEA(List<Contact> contatcs){
contacts[0].Business_Unit__c = 'EMEA' ;
update contacts[0];
} - B. Public static void setBusinessUnitToEMEA(List<Contact> contacts){
for(ContactthisContact : contacts) {
thisContact.Business_Unit__c = 'EMEA' ;
}
update contacts;
} - C. Public static void setBusinessUnitToEMEA(Contact thisContact){
List<Contact> contacts = new List<Contact>();
contacts.add(thisContact.Business_Unit__c ='EMEA');
update contacts;
} - D. Publicstatic void setBusinessUnitToEMEA(List<Contact> contacts){
for(Contact thisContact : contacts){
thisContact.Business_Unit__c = 'EMEA' ;
update contacts[0];
}
}
Answer: C
NEW QUESTION 113
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