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The PDI certification is an excellent way to demonstrate your proficiency in Salesforce development to potential employers and clients. It is a valuable asset for developers who wish to advance their careers in the Salesforce ecosystem. By obtaining the PDI certification, you can showcase your skills in developing custom applications and integrations on the Salesforce platform. Moreover, it can also help you gain recognition as a Salesforce expert and increase your chances of getting hired or promoted.

Salesforce PDI Certification Exam covers a range of topics including Apex, Visualforce, Salesforce Object Query Language (SOQL) and Salesforce Object Search Language (SOSL), Salesforce Lightning Platform, and integration with other systems. Developers who pass PDI exam have a deep understanding of these topics and are capable of developing complex and scalable applications.

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Salesforce PDI Certification Exam is designed to test the candidate's ability to design, develop, and maintain custom applications on the Salesforce platform. Candidates will need to demonstrate their proficiency in Apex, Salesforce's proprietary programming language, as well as their knowledge of Visualforce, Salesforce's user interface framework. They will also need to be familiar with the Salesforce data model and know how to work with objects, relationships, and fields.

Salesforce Platform Developer I (PDI) Sample Questions (Q157-Q162):

NEW QUESTION # 157
What is a good practice for a developer to follow when writing a trigger? (Choose 2)

A. Using the Set data structure to ensure distinct records.
B. Using synchronous callouts to call external systems.
C. Using the Map data structure to hold query results by ID.
D. Using @future methods to perform DML operations.

Answer: A,C

NEW QUESTION # 158
A developer needs to import customer subscription records into salesforce and attach them to existing account records. Which 2 actions should the developer take to ensure the subscription records are related to the correct account records? Choose 2 answers

A. Match an auto-number field to a column in the imported file
B. Match the name field to a column in the imported file
C. Match the id field to a column in the imported file
D. Match an external ID text field to a column in the imported file

Answer: C,D

NEW QUESTION # 159
A developer created a trigger on a custom object. This custom object also has some dependent picklists.
According to the order of execution rules, which step happens first?

A. The original record is loaded from the database.
B. System validation is run for maximum field lengths.
C. Old values are overwritten with the new record values.
D. JavaScript validation is run in the browser.

Answer: D

Explanation:
Answer D is correct. Apex triggers run as part of the Salesforce save transaction and must be designed around the order of execution, valid context variables, recursion risk, and bulk processing. Correct trigger design keeps logic in handlers, avoids SOQL and DML inside record loops, uses addError() when validation must block the transaction, and expects declarative automation to participate in the same transaction. 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.

NEW QUESTION # 160
Universal Container is building a recruiting app with an Applicant object that stores information about an individual person that represents a job. Each application may apply for more than one job.
What should a developer implement to represent that an applicant has applied for a job?

A. Lookup field from Applicant to Job
B. Formula field on Applicant that references Job
C. Junction object between Applicant and Job
D. Master-detail field from Applicant to Job

Answer: C

NEW QUESTION # 161
A developer created a trigger on the Account object and wants to test if the trigger is properly bulklfield. The developer team decided that the trigger should be tested with 200 account records with unique names.
What two things should be done to create the test data within the unit test with the least amount of code?
Choose 2 answers
A developer created a trigger on the Account object and wants to test if the trigger is properly bulklfield. The developer team decided that the trigger should be tested with 200 account records with unique names.
What two things should be done to create the test data within the unit test with the least amount of code?
Choose 2 answers

A. Use the @isTest(isParallel=true) annotation in the test class.
B. Create a static resource containing test data.
C. Use Test.loadData to populate data in your test methods.
D. Use the @isTest(seeAllData=true) annotation in the test class.

Answer: B,C

NEW QUESTION # 162
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