Free PDF Salesforce - PDI - Trustable Real Platform Developer I (PDI) Questions

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Salesforce PDI Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Logic and Process Automation	40%	- Apex classes, triggers, and methods - Asynchronous Apex: batch, queueable, future, scheduled - Process Builder, Flow, and approval processes - Platform events and publish-subscribe model - Governor limits and best practices
Topic 2: Data Modeling and Management	13%	- SOQL and SOSL query construction and optimization - Data operations, import/export and data management - Object relationships, fields, and schema design
Topic 3: User Interface	23%	- Integration with Lightning App Builder and Experience Cloud - UI security and accessibility - Visualforce pages, controllers and extensions - Lightning Web Components (LWC) architecture and development - Component communication and events
Topic 4: Salesforce Fundamentals	7%	- Multi-tenant architecture and platform limits - Declarative development capabilities - Security model, profiles, permission sets and sharing
Topic 5: Testing, Debugging and Deployment	17%	- Development environments and sandboxes - Debugging tools: Developer Console, logs, checkpoints - Unit test creation, code coverage requirements - Deployment tools: Salesforce DX, CLI, change sets

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Salesforce Platform Developer I (PDI) Sample Questions (Q82-Q87):

NEW QUESTION # 82
The sales management team at Universal Containers requires that the Lead Source field of the Lead record be populated when a Lead is converted.
What should be done to ensure that a user populates the Lead Source field prior to converting a Lead?

A. Use a formula field.
B. Use Lead Conversion field mapping.
C. Create an after trigger on Lead.
D. Use a validation rule.

Answer: D

Explanation:
Answer A is correct. The Salesforce Platform favors metadata-driven design where possible and Apex or custom UI when requirements exceed declarative capability. Correct design means selecting the lowest- maintenance platform feature that satisfies security, data integrity, scalability, and user experience requirements while remaining compatible with Salesforce's multi-tenant runtime model. The other options either use the wrong platform feature, apply at the wrong layer, or ignore a key Salesforce constraint. For Platform Developer I, the important point is not just syntax; it is choosing the feature that aligns with transaction behavior, security enforcement, maintainability, and supported metadata capabilities. Reference focus: Salesforce Apex Developer Guide, SOQL and SOSL Reference, Flow Builder Help, and Apex Reference Guide. This distinction is important in production orgs because small design mistakes can create deployment failures, runtime exceptions, data-quality defects, or user-visible security gaps once automation is executed in bulk or from multiple entry points. This matters on the Salesforce platform because the same logic can run from the user interface, API operations, imports, and background automation.

NEW QUESTION # 83
The Account object in an organization has a master-detail relationship to a child object called Branch. The following automations exist:
* Roll-up summary fields
* Custom validation rules
* Duplicate rules
developer created a trigger on the Account object.
Which two things should the developer consider while testing the trigger code?
Choose 2 answers

A. The trigger may fire multiple times during a transaction.
B. Duplicate rules are executed once all DML operations commit to the database.
C. Rollup summary fields can cause the parent record to go through Save.
D. The validation rules will cause the trigger to fire again.

Answer: A,C

Explanation:
* A. Roll-up summary fields can cause the parent record to go through Save:
* When a roll-up summary field on a parent object (like Account) is updated due to changes in child records (like Branch), the parent record (Account) is implicitly saved again.
* This can result in the execution of the trigger on the parent object. Developers must consider this behavior to avoid unintended recursion or infinite loops.

NEW QUESTION # 84
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') .escapeHtml4()
C. String.ValueOf(ApexPages.currentPage() .getParameters() .get('url_param'))
D. ApexPages.currentPage() .getParameters() .get('url_param')

Answer: B

NEW QUESTION # 85
A Hierarchy Custom Setting stores a specific URL for each profile in Salesforce. Which statement can a developer use to retrieve the correct URL for the current user'sprofile and display this on a Visualforce Page?

A. {!$Setup.Url_Settings__C.[Profile.Id].URL__c}
B. {!$Setup.Url_Settings__C.URL__c}
C. {!$Setup.Url_Settings__C.Instance[Profile.Id].URL__c}
D. {!$Setup.Url_Settings__C.[$Profile.Id].URL__c}

Answer: B

NEW QUESTION # 86
A developer is tasked to perform a security review of the ContactSearch Apex class that exists in the system. Within the class, the developer identifies the following method as a security threat:

What are two ways the developer can update the method to prevent a SOQL injection attack?
Choose 2 answers

A. Use the escapeSingleQuotes method to sanitize the parameter before its use.
B. Use the @Readonly annotation and the with sharing keyword on the class
C. Use a regular expression expression on the parameter to remove special characters,
D. Use variable binding and replace the dynamic query with a static SOQL.

Answer: A,D

NEW QUESTION # 87
......

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