2026 Useful Salesforce CRT-450: Salesforce Certified Platform Developer I Valid Exam Guide

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Salesforce CRT-450 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Testing, Debugging, and Deployment	17%	- Change management and best practices - Debugging tools and techniques - Test methods and test data creation - Code coverage requirements - Deployment tools and processes
Topic 2: Salesforce Fundamentals	7%	- Multi-tenant architecture - Platform features and capabilities - Development models and tools
Topic 3: Logic and Process Automation	40%	- Order of execution - Process Builder, Flow, and Workflow - SOQL, SOSL, and DML operations - Formulas, roll-up summaries, and validation rules - Apex programming: classes, triggers, and methods - Governor limits and exception handling
Topic 4: User Interface	23%	- Lightning Web Components - Lightning App Builder and components - Visualforce pages and controllers - UI security and accessibility
Topic 5: Data Modeling and Management	13%	- Custom objects and fields - Data security and sharing - Relationships and lookup filters - Data import/export and management

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Salesforce Certified Platform Developer I Sample Questions (Q156-Q161):

NEW QUESTION # 156
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. Replace the retrievedRecords variable declaration from a List of Account to a single Account.
B. Check the state of the retrievedRecords variable and use System.assert(false) if the variable is empty
C. Check the state of the retrieveRecords variable and throw a custom exception 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: B

NEW QUESTION # 157
A developer creates an Apex class that includes private methods. What can the developer do to ensure that the private methods can be accessed by the test class?

A. Add the SeeAllData attribute to the test methods.
B. Add the TestVisible attribute to the Apex class
C. Add the SeeAllData attribute to the test class
D. Add the TestVisible attribute to the apex methods.

Answer: D

NEW QUESTION # 158
When loading data into an operation, what can a developer do to match records to update existing records? (Choose 2)

A. Match an auto-generated Number field to a column in the imported file.
B. Match the Id field to a column in the imported file.
C. Match the Name field to a column in the imported file.
D. Match an external Id Text field to a column in the imported file.

Answer: B,D

NEW QUESTION # 159
A developer wrote Apex code that calls out to an external system.
How should a developer write the test to provide test coverage?

A. Write a class that implements the HTTPCalloutMockinterface.
B. Write a class that extends HTTPCalloutMock.
C. Write a class that extends WebserviceMock.
D. Write a class that implements the WebserviceMockinterface.

Answer: A

NEW QUESTION # 160
Management asked for opportunities to be automatically created for accounts with annual revenue greater than $1,000,000. A developer created the following trigger on the Account object to satisfy this requirement.

Users are able to update the account records via the UI and can see an opportunity created for high annual revenue accounts. However, when the administrator tries to upload a list of 179 accounts using Data Loader, It fails with system. Exception errors.
Which two actions should the developer take to fix the code segment shown above?
Choose 2 answers

A. Check if all the required fields for Opportunity are being added on creation.
B. Move the DML that saves opportunities outside the for loop.
C. Use Database.query to query the opportunities.
D. Query for existing opportunities outside the for loop.

Answer: B,D

NEW QUESTION # 161
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