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Salesforce PDI (Platform Developer I) Exam is a certification program designed for individuals who want to demonstrate their knowledge and skills in developing custom applications on the Salesforce platform. PDI exam is ideal for developers who have some experience with Salesforce and are looking to enhance their skills and advance their careers in the field of Salesforce development.
Salesforce PDI Certification Exam comprises of 60 multiple-choice questions that are to be completed within 105 minutes. The questions are designed to test your knowledge and understanding of the Salesforce platform and its various features. PDI exam is conducted online and can be taken from anywhere in the world. The passing score for the PDI certification exam is 65%, and the exam fee is $200.
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Salesforce Platform Developer I (PDI) Sample Questions (Q94-Q99):
NEW QUESTION # 94
A developer created these three Rollup Summary fields in the custom object, Project__c:
The developer is asked to create a new field that shows the ratio between rejected and approved timesheets for a given project.
Which should the developer use to implement the business requirement in order to minimize maintenance overhead?
Answer: C
NEW QUESTION # 95
A developer is creating a Visualforce page that allows users to create multiple Opportunities. The developer is asked to verify the current user's default Opportunity record type, and set certain default values based on the record type before inserting the record. How can the developer find the current user's default record type?
Answer: C
NEW QUESTION # 96
A developer has a Visualforce page and custom controller to save Account records. The developer wants to display any validation rule violations to the user.
How can the developer make sure that validation rule violations are displayed?
Answer: D
Explanation:
When saving records using a custom controller in a Visualforce page, validation rule violations can occur. To display these validation error messages to the user, the developer should use the <apex:messages> component.
Option A: Include <apex:messages> on the Visualforce page.
Correct Approach.
The <apex:messages> component displays all messages that were generated for all components on the page, including validation rule violations.
When a DML operation is performed, any validation errors are automatically added to the ApexPages message collection.
Including <apex:messages> in the page ensures that these messages are displayed to the user.
Example:
<apex:page controller="CustomAccountController">
<apex:form>
<apex:messages />
<!-- Form fields for Account -->
<apex:commandButton action="{!saveAccount}" value="Save" />
</apex:form>
</apex:page>
While a try/catch block can catch exceptions, it is not required for displaying validation errors.
Validation rule violations are added to the message collection automatically.
Using try/catch may suppress the standard error handling.
Option C: Add custom controller attributes to display the message.
Inefficient Approach.
Manually adding controller attributes and logic to handle error messages adds unnecessary complexity.
The standard <apex:messages> component handles this automatically.
Option D: Perform the DML using the Database.upsert() method.
Not Sufficient Alone.
Using Database.upsert() allows for finer control over DML operations and error handling.
However, unless the errors are added to the message collection, they will not be displayed.
The developer would still need to handle displaying the errors.
Conclusion:
By including the <apex:messages> component on the Visualforce page, validation rule violations and other error messages are displayed to the user automatically.
Therefore, Option A is the correct answer.
Reference:
apex
https://developer.salesforce.com/docs/atlas.en-us.pages.meta/pages/pages_compref_messages.htm Displaying Errors Option B: Use a try/catch with a custom exception class.
Not Necessary.
NEW QUESTION # 97
A developer wants to display all of the available record types for a Case object. The developer also wants to display the picklist values for the Case.Status field. The Case object and the Case Status field are on a custom visualforce page.
Which action can the developer perform to get the record types and picklist values in the controller? Choose 2 answers
Answer: A,D
NEW QUESTION # 98
How should the developer overcome this problem? While writing a test class that covers an OpportunityLineItem trigger, a Developer is unable to create a standard Pricebook since one already exist in the org.
Answer: B
NEW QUESTION # 99
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