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Master Salesforce Plat-Dev-201: Platform Developer Certification Made Simple

Transform your Salesforce development career with practice materials designed by certified professionals who've conquered the Platform Developer challenge. Whether you're aiming for that senior developer role or building enterprise solutions with Apex, Lightning Components, and Visualforce, our comprehensive question bank mirrors real exam scenarios you'll face. Access 300+ meticulously crafted questions across PDF, web-based, and desktop formats—study during your commute, at your desk, or offline when inspiration strikes. Join thousands of successful developers who've elevated their expertise in declarative automation, integration patterns, and custom application architecture. Each question includes detailed explanations that don't just reveal answers but deepen your understanding of governor limits, security models, and performance optimization. Stop second-guessing your readiness. Our materials adapt to your learning style, tracking progress while identifying knowledge gaps before exam day arrives. Your journey from ambitious developer to Salesforce Certified Platform Developer starts with the right preparation—and the confidence that comes from truly mastering the material.

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Question 1

(Full question statement)

Universal Containers wants Opportunities to no longer be editable when they reach the Closed/Wonstage.

Which two strategies can a developer use to accomplish this?

Choose 2 answers.


Correct : A, B

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.


This topic relates to bothProcess Automation and Logic (30%)andSecurity and Data Integritypractices.

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Question 2

Which two settings must be defined In order to update a record of a junction object?

Choose 2 answers


Correct : B, C

Option B: To update a junction object, the user needsRead/Writeaccess to the primary relationship object.

Option C: The user must also haveRead/Writeaccess on the junction object itself.

:Junction Objects Documentation


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Question 3

Provide question feedback here (optional):

Based on this code, what is the value of x?


Correct : A

The variableisOKis declared but not initialized, so its value isnull. Theif-elseconditions check for specific values ofisOK(trueorfalse), but since it isnull, none of those conditions are satisfied. The program defaults to theelseblock, assigning4tox.


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Question 4

A custom Visualforce controller calls the ApexPages.addMessage() method, but no messages are rendering on the page.

Which component should be added to the Visualforce page to display the message?


Correct : B

Option B: Thecomponent renders all messages added to theApexPagesmessages collection on a Visualforce page, including those added by theApexPages.addMessage()method.

Not Suitable:

Option A:is for specific fields, not for the general messages collection.

Option C:is used for displaying a single, static message, not the dynamic collection of messages.

Option D:does not display messages.

:Visualforce ApexPages Messages


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Question 5

A developer created a trigger on a custom object. This custom object also has some dependent pick lists.

According to the order of execution rules, which step happens first?


Correct : A

Order of Execution Rules:

Step 1: Original record is loaded from the database.

Step 2: Field-level validations are performed, including maximum field lengths.

Step 3: Old values are overwritten with new record values.

Step 4: JavaScript validation runs in the browser.


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Total 204 questions