PDI Salesforce Certified Platform Developer 1 (SP25) Questions and Answers

75% Code Coverage (A):To deploy Apex code to production, Salesforce requires at least 75% of the code to be covered by tests across the organization.

A. Debug logs can be set for specific users, classes, and triggers:

Debug logs can be configured for users, classes, and triggers by setting trace flags.

C. Only the 20 most recent debug logs for a user are kept:

Salesforce retains only the 20 most recent debug logs per user. Older logs are overwritten.

E. The maximum size of a debug log is 5 MB:

Debug logs are capped at 5 MB. If this limit is exceeded, logging stops for that transaction.

Why Not B and D?

B: Debug logs are retained for7 days, not 24 hours.

D: Debug log levels are not cumulative. Each level is independent.

Declaring the constant asstaticensures it is shared across all instances of the class.

Declaring it asfinalensures its value cannot be modified after initialization.

Static and Final Variables in Apex

When multiple triggers are associated with the same object and event, Salesforce does not guarantee the order of execution. This is why it is a best practice to consolidate all logic into a single trigger per object and control execution order using helper classes.

Comprehensive and Detailed Explanation From Exact Extract:

To determine the most efficient SOQL statement for retrieving Contact records where the related Account’s Industry is ' Technology ' , along with their associated Job_Application__c records, we need to analyze the object relationships, SOQL syntax, and relationship names. Let’s break down the problem and evaluate each option systematically, referencing Salesforce’s official documentation.

Understanding the Object Relationships:

Job_Application__c and Contact : The Job_Application__c custom object has a master-detail relationship with the Contact object, where Contact is the master. In a master-detail relationship, the child (Job_Application__c) records are dependent on the parent (Contact) records. The Salesforce Data Model documentation states: “In a master-detail relationship, the detail record inherits security and ownership from the master record” (Salesforce Object Reference Guide, Relationships).

Contact and Account : The Contact object has a standard lookup relationship with the Account object (via the AccountId field). This allows a Contact to be associated with an Account, and we can access Account fields in SOQL queries using the relationship name Account. The Salesforce Object Reference Guide confirms: “The AccountId field on Contact references the Account object, and the relationship name is Account” (Salesforce Object Reference Guide, Contact Object).

Requirement : The query must:

Retrieve Contact records where the related Account’s Industry field equals ' Technology ' .

Include the related Job_Application__c records for each Contact.

Be efficient and syntactically correct based on Salesforce SOQL standards.

SOQL Relationship Query Basics:

Parent-to-Child Queries : To retrieve child records (Job_Application__c) along with parent records (Contact), we use a subquery in the SELECT clause with the relationship name. The Apex Developer Guide states: “For custom objects in a master-detail relationship, the relationship name for the child is typically the plural form of the object name with __r (e.g., Job_Applications__r)” (Salesforce Apex Developer Guide, SOQL Relationship Queries).

Accessing Parent Fields : To filter on a parent object’s field (e.g., Account’s Industry), we use the relationship name (e.g., Account.Industry). The SOQL and SOSL Reference Guide notes: “In a lookup relationship, use the parent object’s API name (e.g., Account) followed by the field name” (Salesforce SOQL and SOSL Reference Guide, Relationship Queries).

Efficiency : The most efficient query minimizes the number of fields retrieved, uses correct relationship names, and avoids syntax errors. All options retrieve only Id fields, so efficiency depends on correct syntax and relationship names.

Analyzing the Relationship Name for Job_Application__c:

In a master-detail relationship, the child object (Job_Application__c) has a relationship field pointing to the parent (Contact). The relationship name for accessing child records from the parent is typically the plural form of the child object’s name with __r. For a custom object named Job_Application__c, the standard relationship name is Job_Applications__r. The Salesforce Apex Developer Guide explains: “For custom objects, the relationship name is usually the object name pluralized, with __r appended” (Salesforce Apex Developer Guide, Understanding Relationship Names).

However, the exact relationship name depends on the field definition. If the master-detail field on Job_Application__c was created with a custom relationship name, it could differ, but the question does not specify a custom name. Therefore, we assume the default naming convention, making Job_Applications__r the correct relationship name for the subquery.

Evaluating the Options:

A. [SELECT Id, (SELECT Id FROM Job_Applications__r) FROM Contact WHERE Accounts.Industry = ' Technology ' ]

Subquery : Uses Job_Applications__r, which is likely the correct relationship name for Job_Application__c child records, assuming standard naming conventions.

WHERE Clause : Uses Accounts.Industry, which is incorrect. The relationship name for the Account object from Contact is Account (singular), not Accounts. The SOQL and SOSL Reference Guide states: “The relationship name for the Account object from Contact is Account” (Salesforce SOQL and SOSL Reference Guide, Relationship Queries). Using Accounts results in a SOQL syntax error: “No such field Accounts on entity Contact.”

Conclusion : Incorrect due to the invalid Accounts.Industry reference.

B. [SELECT Id, (SELECT Id FROM Job_Application__c) FROM Contact WHERE Accounts.Industry = ' Technology ' ]

Subquery : Uses Job_Application__c, which is the object’s API name, not the relationship name. In SOQL parent-to-child queries, the subquery must use the relationship name (e.g., Job_Applications__r), not the object name. The Apex Developer Guide notes: “In a subquery, use the relationship name, not the object name” (Salesforce Apex Developer Guide, SOQL Relationship Queries). Using Job_Application__c causes a SOQL syntax error: “No such relationship Job_Application__c on Contact.”

WHERE Clause : Uses Accounts.Industry, which, as noted, is incorrect due to the invalid relationship name Accounts.

Conclusion : Incorrect due to both the invalid subquery (Job_Application__c) and the incorrect Accounts.Industry reference.

C. [SELECT Id, (SELECT Id FROM Job_Application__c) FROM Contact WHERE Account.Industry = ' Technology ' ]

Subquery : Uses Job_Application__c, which is incorrect for the same reason as option B. The subquery must use the relationship name (Job_Applications__r), not the object name, resulting in a SOQL syntax error.

WHERE Clause : Uses Account.Industry, which is correct. The relationship name for the Account object from Contact is Account, and Industry is a valid field on Account. The Salesforce Object Reference Guide confirms: “Industry is a picklist field on the Account object” (Salesforce Object Reference Guide, Account Object).

Conclusion : Incorrect due to the invalid subquery (Job_Application__c), despite the correct Account.Industry reference.

D. [SELECT Id, (SELECT Id FROM Job_Applications__r) FROM Contact WHERE Account.Industry = ' Technology ' ]

Subquery : Uses Job_Applications__r, which is the correct relationship name for accessing Job_Application__c child records from the Contact parent, assuming standard naming conventions.

WHERE Clause : Uses Account.Industry, which is correct, as it properly references the Account object’s Industry field via the Account relationship.

Conclusion : Correct, as it uses the proper relationship name for the subquery and the correct syntax for filtering on the Account’s Industry field.

Why Option D is Correct:

Option D is the most efficient and syntactically correct because:

It uses the correct relationship name (Job_Applications__r) for the parent-to-child subquery, adhering to Salesforce’s naming conventions for master-detail relationships.

It correctly references the Account’s Industry field using Account.Industry, aligning with the standard lookup relationship between Contact and Account.

It retrieves only the necessary fields (Id for Contact and Id for Job_Application__c), ensuring efficiency.

It satisfies the requirement to retrieve Contact records where the Account’s Industry is ' Technology ' and includes related Job_Application__c records.

Potential Typos or Ambiguities:

The question is clear, with no obvious typos. However, the relationship name Job_Applications__r assumes the default pluralized naming convention. If the master-detail field on Job_Application__c was created with a custom relationship name (e.g., Applications__r), the correct answer could differ. Since the question does not specify a custom name, we follow the standard convention (Job_Applications__r).

The field Industry on Account is a standard picklist field, and ' Technology ' is a common default value, so no issues arise there.

Example for Clarity:

The SOQL query in option D would look like:

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List < Contact > contacts = [SELECT Id, (SELECT Id FROM Job_Applications__r)

FROM Contact

WHERE Account.Industry = ' Technology ' ];

for (Contact c : contacts) {

System.debug( ' Contact: ' + c.Id);

for (Job_Application__c ja : c.Job_Applications__r) {

System.debug( ' Job Application: ' + ja.Id);

}

}

This query retrieves all Contacts where the related Account’s Industry is ' Technology ' and includes their Job_Application__c records via the subquery. The results can be iterated to access both Contact and Job_Application__c data.

Why Re-Parentable Master-Detail Field?

A master-detail relationship allows Line Items to roll up totals (e.g., calculate total amount) to the Order.

Setting the relationship asre-parentablesupports moving Line Items between different Orders.

Why Not Other Options?

B. Lookup field: Does not support roll-up summary fields for calculations.

C and D: Relationships in the opposite direction (Order to Line Item) do not support the required logic.

Why Create Records Element?

TheCreate Recordselement adds the functionality to create a Contact record.

The Contact’s ID can then be stored on the Opportunity using a variable or field update.

Why Not Other Options?

A:Update Recordsis for updating existing records, not creating new ones.

B:Roll Back Recordsis used for rolling back transactions, not for creating records.

D:Get Recordsretrieves records but does not create them.

B:@testSetupinserts data once and shares it across all test methods in the class, saving system resources.

D:@isTest(SeeAllData=true)is incompatible with@testSetupdue to their differing purposes for managing test data.

When working with a Lightning Web Component (LWC), the correct syntax for importing an Apex method is:import methodName from " @salesforce/apex/ControllerName.methodName " ;.

Why not other options?

A,B, andC: These use incorrect syntax for importing Apex methods in LWCs.

Lightning Web Components Documentation

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.

A Global Picklist Value Set allows the same set of picklist values to be shared across multiple objects, making maintenance easier and ensuring consistency.

Why not other options?

B: Alphabetical ordering does not ensure consistent value maintenance across objects.

C: Validation rules do not streamline picklist value maintenance.

D: Restricting picklist values helps ensure data integrity but does not streamline maintenance across objects.

Global Picklists Documentation

Comprehensive and Detailed Explanation From Exact Extract:

B (Correct):Apex methods exposed toFlowmust be:

Static

Annotated with @InvocableMethod

Accept aListof parameters (for bulkification)

Return aList of custom class objects

This method signature supports Flow Builder’s bulk processing model, which is required in enterprise scenarios where the Flow might process multiple records.

Before-save Apex Trigger:

This is the best solution because abefore-save triggerruns before the record is saved to the database, providing an opportunity to validate or modify the data.

In this case, the Apex trigger can validate the email address using a regular expression or a third-party API call to ensure the email address is valid. If the email is invalid, an error message can be displayed using addError().

Why not the other options?

A. Submit a REST API Callout with a JSON payload:

REST callouts are more complex and generally not recommended for simple validation tasks like email format validation. Additionally, callouts cannot be performed directly in a before-save trigger.

C. Use a custom Lightning Web Component (LWC):

LWCs are primarily for UI interactions and should not be used to enforce data validations that are server-side requirements.

D. Use an Approval Process:

Approval Processes are for managing the approval flow of records, not for real-time validations. They cannot enforce email validation directly.

The Apex Interactive Debugger allows developers to step through code execution in real time, which is the most effective way to identify the root cause of the duplication issue.

A: An External ID field is designed to store an ID from another external system, which can be used to match Salesforce records with data from an external source during data imports or integrations.

D: External ID fields are automatically indexed, which can significantly improve the performance of SOQL queries when filtering based on the External ID.

Why not other options?

B: External IDs cannot be formula fields. Only text, number, email, and auto-number fields can be set as External IDs.

C: While External IDs are useful for integrations, they do not make external data visible within Salesforce Mobile.

External IDs Overview

To check test coverage for autolaunched flows before deployment, developers need to use SOQL queries with the Tooling API. This provides detailed information about which flows are covered and their test results.

In the provided code snippet, the classmyClassdoes not specify a sharing declaration (with sharingorwithout sharing). In Salesforce, when a class does not explicitly declare its sharing context, it defaults towithout sharing. This means sharing rules are not enforced.

Tooling API:

The Tooling API provides programmatic access to manage tests and other metadata in the org.

It can execute test classes or methods remotely.

Developer Console:

The Developer Console is a built-in Salesforce tool to execute Apex tests, debug logs, and more.

Allows developers to execute tests interactively.

B. Metadata API: Used for managing metadata, not for running tests.

C. Bulk API: Used for data operations, not related to testing.

Salesforce CLI allows developers to automate deployments and run unit tests as part of a continuous integration (CI) pipeline. It is the most efficient tool for scripting these processes.

Below is the formatted response for the provided question, adhering to the specified format and requirements. The question falls under the Developer Fundamentals topic, as it involves understanding Apex class inheritance and virtual classes, which are core concepts in the Salesforce Platform Developer I certification. The answer is based on official Salesforce Platform Developer I documentation, with a comprehensive explanation and references to relevant Salesforce documentation.

Comprehensive and Detailed Explanation From Exact Extract:

A (Correct):AnApproval Processcan lock a record (making it read-only) once the record meets certain criteria like stage = Closed/Won.

B (Correct):AValidation Rulecan prevent users from saving changes when the stage is Closed/Won, by throwing an error.

Example validation formula:

text

CopyEdit

AND(ISCHANGED(StageName), ISPICKVAL(StageName, " Closed Won " ))

Incorrect options:

C:Before triggers run before the record is saved but don’t prevent UI-level edits unless combined with DML rollbacks or errors.

D:Auto-response rules are for sending emails, not restricting edits.

Why Quick Actions?

Quick Actions allow developers to create prepopulated forms for creating or updating records.

They are a modern alternative to JavaScript buttons in Lightning Experience.

Why Not Other Options?

A: Validation rules enforce data integrity but do not create records.

B: Apex triggers automate processes but are not used for user-initiated actions.

C: Record-triggered flows execute automatically when records are created or updated, but they do not replace JavaScript buttons for user-initiated actions.

Comprehensive and Detailed Explanation From Exact Extract:

When preventing the creation of records using business logic in an Apex trigger, it’s crucial to do it in a before insert trigger context so the records are not committed to the database. The method should be called using trigger.new (case-sensitive) which references the list of new records being inserted.

Comprehensive and Detailed Explanation From Exact Extract:

To determine the value of x when it is written to the debug log, we need to analyze the Apex code step by step, focusing on the behavior of the do-while loop and how it affects the variable x. Let’s break down the code execution systematically, referencing Salesforce’s official Apex Developer Guide.

Code Analysis:

The given Apex code is:

apex

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Integer x = 0 ;

do {

x++ ;

} while (x < 1) ;

System.debug(x) ;

Step 1: Initial State

Integer x = 0;: The variable x is initialized to 0. The Apex Developer Guide states: “An Integer in Apex is a 32-bit number that does not include decimal points, initialized to 0 by default if no value is provided” (Salesforce Apex Developer Guide, Primitive Data Types). Here, x is explicitly set to 0.

Step 2: Understanding the do-while Loop

A do-while loop in Apex executes the loop body at least once before evaluating the condition. The Apex Developer Guide explains: “The do-while loop executes the block of code in the do statement first, then checks the condition in the while statement. If the condition is true, the loop continues; otherwise, it exits” (Salesforce Apex Developer Guide, Loops).

The loop body is:

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x++ ;

This increments x by 1 using the post-increment operator (++). The Apex Developer Guide confirms: “The ++ operator increments the value of the variable by 1” (Salesforce Apex Developer Guide, Expressions and Operators).

The condition is:

apex

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while (x <</i> 1) ;

The loop continues as long as x < 1 evaluates to true.

Step 3: Loop Execution

First Iteration :

Initial value: x = 0.

Execute the loop body: x++ → x becomes 1 (0 + 1).

Evaluate the condition: x < 1 → 1 < 1 → false (since 1 is not less than 1).

Since the condition is false, the loop exits after the first iteration.

After the Loop :

The value of x is now 1.

The do-while loop guarantees at least one execution, which is why x is incremented once before the condition check fails.

Step 4: Debug Statement

System.debug(x);: This writes the value of x to the debug log. At this point, x = 1. The Apex Developer Guide states: “System.debug outputs the value of the specified variable to the debug log for troubleshooting” (Salesforce Apex Developer Guide, System Class).

Therefore, the debug log will show 1.

Evaluating the Options:

A. 0 : Incorrect. The initial value of x is 0, but the do-while loop increments x to 1 in the first iteration, and the loop exits because the condition x < 1 is false. The debug log shows the final value of x, which is 1.

B. 2 : Incorrect. The loop only runs once because after the first iteration, x becomes 1, and the condition x < 1 fails (1 < 1 is false). There is no second iteration to increment x to 2.

C. 1 : Correct. As calculated, the loop executes once, incrementing x from 0 to 1, and then exits because the condition x < 1 is false. The debug log outputs x = 1.

D. 3 : Incorrect. The loop does not run enough times to increment x to 3. It only runs once, setting x to 1.

Why Option C is Correct:

Option C (1) is correct because:

The do-while loop executes the body (x++) exactly once, incrementing x from 0 to 1.

The condition x < 1 evaluates to false when x = 1, causing the loop to exit after the first iteration.

The System.debug(x) statement outputs the final value of x, which is 1.

This behavior aligns with Apex loop semantics as defined in the Salesforce Apex Developer Guide.

Handling Typos:

The code in the image contains a typo: “salesforce” is randomly inserted in the middle of the do-while loop. This appears to be an artifact of the image and not part of the intended code. For analysis, we ignore this text and treat the code as:

apex

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Integer x = 0 ;

do {

x++ ;

} while (x < 1) ;

System.debug(x) ;

There are no other syntactic issues in the code that affect the execution or outcome.

Example for Clarity:

To illustrate, here’s how the code executes:

Integer x = 0; // x is 0

do {

x++; // First iteration: x becomes 1

} while (x < 1); // Condition: 1 < 1 → false, exit loop

System.debug(x); // Outputs: 1

If this code were run in a Salesforce org, the debug log would show:

DEBUG|1