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To prepare for the Salesforce PDI exam, candidates can take the official Salesforce training courses or study on their own. There are many resources available to help candidates prepare for the exam, such as study guides, practice exams, and online forums. Upon passing the exam, certified developers can demonstrate their expertise in developing and customizing applications on the Salesforce platform, which can lead to better job opportunities and higher salaries.
NEW QUESTION # 33
Which Lightning Web Component custom event property settings enable the event to bubble up the containment hierarchy and cross the Shadow DOM boundary?
- A. bubbles: true, composed: false
- B. bubbles: false, composed: false
- C. bubbles: true, composed: true
- D. bubbles: false, composed: true
Answer: C
Explanation:
* Why These Settings?
* bubbles: true: Enables the event to propagate up the containment hierarchy.
* composed: true: Allows the event to cross the Shadow DOM boundary.
* Why Not Other Options?
* Other combinations (e.g.,bubbles: false) prevent the event from propagating or crossing the Shadow DOM boundary.
References:Custom Events in LWC:https://developer.salesforce.com/docs/component-library/documentation/en/lwc/lwc.events_create_dispatch
NEW QUESTION # 34
What are two characteristics related to formulas?
Choose 2 answers
- A. Formulas can reference themselves.
- B. Formulas are calculated at runtime and are not stored in the database.
- C. Formulas can reference values in related objects.
- D. Fields that are used in a formula field can be deleted or edited without editing the formula.
Answer: B,C
Explanation:
When working with formula fields in Salesforce, it's important to understand their characteristics and limitations.
Option A: Formulas are calculated at runtime and are not stored in the database.
True.
Formula fields are calculated dynamically whenever the record is accessed.
The value is not stored in the database; instead, it is computed on-the-fly based on the formula definition.
Formula fields can reference fields on related parent objects via lookup or master-detail relationships.
This allows formulas to display data from related records.
Formulas cannot reference themselves directly or indirectly.
Doing so would create a circular reference, which is not allowed.
If a field used in a formula is deleted, the formula becomes invalid.
If a field is edited (e.g., data type change), it may impact the formula's validity.
Reference:
Formula Fields Overview
Formula Fields Considerations
Option C: Formulas can reference values in related objects.
True.
Using Cross-Object Formulas
Advanced Formula Fields
Incorrect Options:
Option B: Formulas can reference themselves.
False.
Formula Field Limitations
Option D: Fields that are used in a formula field can be deleted or edited without editing the formula.
False.
Managing Formula Fields
Conclusion:
The correct characteristics related to formulas are A and C.
NEW QUESTION # 35
Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records.
Which Visualforce feature supports this requirement?
- A.
- B.
- C.
- D.
Answer: C
NEW QUESTION # 36
What are two benefits of the Lightning Component framework? (Choose two.)
- A. It allows faster PDF generation with Lightning components.
- B. It promotes faster development using out-of-box components that are suitable for desktop and mobile devices.
- C. It simplifies complexity when building pages, but not applications.
- D. It provides an event-driven architecture for better decoupling between components.
Answer: B,D
NEW QUESTION # 37
Which two events need to happen when deploying to a production org?
Choose 2 answers
- A. All Apex code must have at least 75% test coverage.
- B. All custom objects must have visibility set to a value other than in Development.
- C. All Visual flows must have at least 1% test coverage.
- D. All triggers must have some test coverage
Answer: A,D
Explanation:
* B: Salesforce requires that all Apex code have at least 75% test coverage in production before deployment. This ensures that the system remains reliable.
* C: All triggers must have some test coverage as part of the overall 75% requirement for Apex code.
Why not other options?
* A: Object visibility settings are not a deployment requirement.
* D: Visual Flows do not require test coverage for deployment to production.
References:
* Apex Test Coverage Requirements
NEW QUESTION # 38
A developer must create a ShippingCalculator class that cannot be instantiated and must include a working default implementation of a calculate method, that sub-classes can override. What is the correct implementation of the ShippingCalculator class?
- A. Public abstract class ShippingCalculator {
public virtual void calculate() { /*implementation*/ }
} - B. Public abstract class ShippingCalculator {
public void calculate() { /*implementation*/ }
} - C. Public abstract class ShippingCalculator {
public override calculate() { /*implementation*/ }
} - D. Public abstract class ShippingCalculator {
public abstract calculate() { /*implementation*/ }
}
Answer: A
Explanation:
the extending class can override the existing virtual methods by using the override keyword in the method definition. Overriding a virtual method allows you to provide a different implementation for an existing method https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_classes_extending.htm
NEW QUESTION # 39
A company has a custom object, order __c, that has a required, unique external ID field called order Number__c.
Which statement should be used to perform the DML necessary to insert new records and update existing records in a list of Order __c records using the external ID field?
- A. upsert orders Order Number c;
- B. merge orders Order Number_c;
- C. merge orders;
- D. upsert orders;
Answer: D
Explanation:
Whyupsert?
Theupsertstatement inserts records that don't exist and updates existing records based on the external ID (Order Number__cin this case).
Salesforce automatically recognizes and uses the external ID field for matching.
Why Not Other Options?
A and B:mergeis for merging records, not for upserting.
C: Adding the field name afterupsertis unnecessary, as Salesforce detects the external ID automatically.
References:Upsert Documentation:https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode
/langCon_apex_dml_upsert.htm
NEW QUESTION # 40
Given the following Anonymous Block:
Which one do you like?
What should a developer consider for an environment that has over10,000 Case records?
- A. The transaction will fail due to exceeding the governor limit.
- B. The transaction will succeed and changes will be committed.
- 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 # 41
A developer considers the following snippet of code:
Based an this code, what is the value of x?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
* TheBoolean isOKvariable is declared but not initialized, meaning its value isnullby default in Apex.
* The code evaluates theif-elseconditions in sequence:
* Condition 1:isOK == false && theString == 'Hello'
* isOKisnull, so this evaluates tofalse.
* Condition 2:isOK == true && theString == 'Hello'
* Again,isOKisnull, so this evaluates tofalse.
* Condition 3:isOK != null && theString == 'Hello'
* isOKisnull, soisOK != nullevaluates tofalse.
* Else block: None of the above conditions are true, so the code enters theelseblock and setsx = 4.
:
Apex Boolean Data Type
NEW QUESTION # 42
A lead developer creates a virtual class called "OrderRequest". Consider the following code snippet:
How can a developer use the OrderRequest class within the CustomerOrder class?
- A. public class CustomerOrder extends OrderRequest
- B. Extends (class="OrderRequest"}
public class CustomerOrder - C. public class CustomerOrder implements Order
- D. @Implements (class="OrderRequest")
public class Customerorder
Answer: A
Explanation:
In Apex, a class can extend a virtual class (similar to abstract classes in Java) by using the extends keyword.
This allows the subclass (CustomerOrder) to inherit properties and methods from the parent virtual class (OrderRequest).
NEW QUESTION # 43
What are two use cases for executing Anonymous Apex code? Choose 2 answers
- A. To delete 15,000 inactive Accounts In a single transaction after a deployment
- B. To schedule an Apex class to run periodically
- C. To run a batch Apex class to update all Contacts
- D. To add unit test code coverage to an org
Answer: B,C
NEW QUESTION # 44
Universal Containers hires a developer to build a custom search page to help user- find the Accounts they want. Users will be able to search on Name, Description, and a custom comments field.
Which consideration should the developer be aware of when deciding between SOQ1 Mid SOSI ?
Choose 2 answers
- A. SOSL is faster for tent searches.
- B. SOQL is faster for text searches.
- C. SOQL is able to return more records.
- D. SOSL is able to return more records.
Answer: A,C
NEW QUESTION # 45
A company would like to send an offer letter to a candidate, have the candidate sign it electronically, and then send the letter back.What can a developer do to accomplish this?
- A. Develop a Process Builder that will send the offer letter and allow the candidate to sign it electronically.
- B. Create an assignment rule that will assign the offer letter to the candidate
- C. Install a managed package that will allow the candidate to sign documents electronically
- D. Create a visual workflow that will capture the candidate's signature electronically
Answer: C
NEW QUESTION # 46
Considering the following code snippet:
When the code executes, a DML exception is thrown.
How should a developer modify the code to ensure exceptions are handled gracefully?
- A. Implement Change Data Capture,
- B. Implement the upsert DML statement.
- C. Remove null items from the list of Accounts.
- D. Implement a try/catch block for the DML.
Answer: D
Explanation:
Understanding the Issue:
The provided code attempts to update a list of Account records:
public static void insertAccounts(List<Account> theseAccounts) {
for(Account thisAccount : theseAccounts) {
if(thisAccount.website == null) {
thisAccount.website = 'https://www.demo.com';
}
}
update theseAccounts;
}
Problem: A DML exception is thrown when the update statement executes.
Possible Causes:
Some records in theseAccounts may have validation rule failures.
There may be null records within the theseAccounts list.
There could be fields that violate data integrity constraints.
Option Analysis:
Option A: Implement Change Data Capture
Modified Code:
public static void insertAccounts(List<Account> theseAccounts) {
for(Account thisAccount : theseAccounts) {
if(thisAccount.website == null) {
thisAccount.website = 'https://www.demo.com';
}
}
try {
update theseAccounts;
} catch (DmlException e) {
// Handle exception, e.g., log error or process partial successes
System.debug('A DML exception occurred: ' + e.getMessage());
}
}
Modified Code:
theseAccounts.removeAll(null);
Reference:
Why Not Suitable: CDC is unrelated to handling exceptions in Apex code. It does not help in gracefully handling DML exceptions.
Option B: Implement a try/catch block for the DML
Apex Developer Guide - Exception Handling
Apex Developer Guide - DmlException Class
Why Suitable:
Graceful Handling: By catching the DmlException, the code can handle the error without abruptly terminating the execution.
Logging and Recovery: Allows the developer to log the exception details and potentially implement recovery logic.
Option C: Implement the upsert DML statement
Why Not Suitable:
The issue is not about distinguishing between insert or update operations.
Using upsert does not inherently handle exceptions; DML exceptions can still occur.
It does not address handling exceptions gracefully.
Option D: Remove null items from the list of Accounts
Why Partially Suitable:
If null records are causing issues, removing them can prevent exceptions.
However, the question specifies a DML exception, not a NullPointerException.
Removing null items does not handle other potential DML exceptions (e.g., validation rule failures).
Conclusion:
Best Solution: Option B is the most appropriate choice.
Wrapping the DML statement in a try/catch block ensures that any exceptions thrown during the DML operation are caught and can be handled gracefully.
This approach aligns with best practices for exception handling in Apex.
Additional Recommendation:
Using Database.update with allOrNone=false:
Database.SaveResult[] results = Database.update(theseAccounts, false);
for (Database.SaveResult sr : results) {
if (!sr.isSuccess()) {
// Handle individual record failure
System.debug('Error updating record: ' + sr.getErrors()[0].getMessage());
}
}
Benefit: Allows partial success processing, handling errors at the record level.
NEW QUESTION # 47
What is the result of the following code snippet?
public word doWork(Account acct) {
for (Integer i = 0; i <= 2007 i++) {
insert acct;
}
- A. Account is inserted.
- B. 201 Accounts are inserted.
- C. Accounts are inserted.
- D. 200 Accounts are inserted.
Answer: C
NEW QUESTION # 48
Universal Containers has created a unique process for tracking container repairs. A custom field, status__c, has been created within the container__c custom object. A developer is tasked with sending notifications to multiple external systems every time the value of the status__picklist changes.
Which two tools should the developer use to meet the business requirement and ensure low maintenance of the solution?
Choose 2 answers
- A. Apex callouts
- B. Record-Triggered flow
- C. Platform event
- D. Apex trigger
Answer: A,C
NEW QUESTION # 49
How can a developer check the test coverage of active Process Builder and Flows deploying them in a Changing Set?
- A. Use the code Coverage Setup page
- B. Use SOQL and the Tooling API
- C. Use the Flow properties page.
- D. Use the Apex testresult class
Answer: D
NEW QUESTION # 50
In the code below, which type does String inherit from? String s = 'Hello World';
- A. Object
- B. Prototype
- C. Object
- D. Class
Answer: A
NEW QUESTION # 51
Universal Containers (UC) uses out-of-the-box order management, that has a Master-Detail relationship between Order and Order Line Item.
UC stores the availability date on each Order Line Item and Orders are only shipped when all of the Order Line Items are available.
Which method should be used to calculate the estimated ship date for an Order?
- A. Use a CEILING formula on each of the latest availability date fields.
- B. Use a DAYS formula on each of the availability date fields and a COUNT Roll-Up Summary field on the Order.
- C. Use a LATEST formula on each of the latest availability date fields.
- D. Use a MAX Roll-Up Summary field on the latest availability date fields.
Answer: D
Explanation:
Roll-Up Summary Field:
Since the relationship between Order and Order Line Item is aMaster-Detail, a Roll-Up Summary field can be used on the Order object.
The MAX function in a Roll-Up Summary field calculates the latest date (the maximum value) among all the availability dates on the Order Line Items.
Why MAX Roll-Up Summary Field Works:
The latest availability date among the Order Line Items will determine when the entire Order can be shipped.
Why Not Other Options?
AandB: There is no such formula called "LATEST" or "CEILING" applicable to date fields.
C: A COUNT Roll-Up Summary is irrelevant for calculating dates.
References:Roll-Up Summary Fields:https://developer.salesforce.com/docs/atlas.en-us.object_reference.meta
/object_reference/roll_up_summary_fields.htm
NEW QUESTION # 52
Universal Containers wants a list button to display aVisualforce page that allows users to edit multiple records.
which Visualforce feature supports this requirement?
- A. RecordSetVar page attribute
- B. Custom controller
- C. <apex:listButton> tag
- D. Controller extension
Answer: A
NEW QUESTION # 53
A developer is notified that a text field is being automatically populated with invalid values.however, this should be prevented by a custom validation rule that is in placewhat could be causing this?
- A. The field is being populated by a before trigger
- B. The field is being populated by a workflow field update
- C. The user belongs to a permission set that suppresses the validation rule
- D. A DML exception is occuring during the save order of execution
Answer: B
NEW QUESTION # 54
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 might be higher due to the asynchronous nature of the transaction.
- B. The Apex governor limits cannot be exceeded 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 are reset for each iteration of the execute() method.
Answer: A,D
NEW QUESTION # 55
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