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| Section | Weight | Objectives |
|---|---|---|
| Testing, Debugging and Deployment | 18% | - Continuous integration and delivery - Debugging and error handling - Deployment strategies and tools - Advanced testing techniques |
| Integration and Web Services | 15% | - Data integration patterns - API usage and limits - External objects and data sources - REST and SOAP integrations |
| Data Modeling and Management | 12% | - Data validation and consistency - Large data volume handling - SOQL and SOSL optimization - Complex data modeling |
| User Interface Development | 15% | - Component communication and reusability - Visualforce advanced features - Lightning Web Components development - Aura Components advanced usage |
| Advanced Developer Fundamentals | 15% | - System classes and utility methods - Localization and internationalization - Advanced Apex coding best practices - Sharing and security model implementation |
| Business Logic and Process Automation | 25% | - Governor limits and performance optimization - Advanced triggers and Apex logic - Asynchronous processing (Batch, Queueable, Future) - Custom metadata and settings |
>> Free PDII Test Questions <<
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NEW QUESTION # 100
Universal Containers uses Big Objects to store almost a billion customer transactions called Customer_Transaction__b.
These are the fields on Customer_Transaction__b:
Account__c -
Program__c -
Points_Earned__c -
Location__c -
Transaction_Date__c -
The following fields have been identified as Index Fields for the Customer_Transaction__b object:
Account__c, Program__c, and Transaction_Date__c.
Which SOQL query is valid on the Customer_Transaction__b Big Object?
Answer: B
Explanation:
The valid SOQL query on a Big Object must match the indexed fields exactly. Since Account__c, Program__c, and Transaction_Date__c are the indexed fields, the SOQL query must specify those fields exactly in the WHERE clause, including exact match conditions (no LIKE or INCLUDES).
References: Salesforce Developer Guide - Working with Big Objects
NEW QUESTION # 101
Universal Containers analyzes a Lightning web component and its Apex controller. Based on the code snippets, what change should be made to display the contacts' mailing addresses in the Lightning web component?
Apex controller class:
Java
public with sharing class AccountContactsController {
@AuraEnabled
public static List<Contact> getAccountContacts(String accountId) {
return [SELECT Id, Name, Email, Phone FROM Contact WHERE AccountId = :accountId];
}
}
Answer: B
Explanation:
To display new data in a lightning-datatable, changes are required at both the Data Retrieval (Apex) layer and the UI Definition (JavaScript) layer.
First, the SOQL query in the Apex controller must be updated to include the address fields. While MailingAddress is a compound field in Salesforce, in a SOQL query intended for a datatable, it is often best to retrieve the individual components (e.g., MailingStreet, MailingCity, MailingState).
Second, the JavaScript controller for the LWC must be updated. The columns array in the JS file defines which data properties the lightning-datatable looks for. Even if the Apex method returns the address data, the datatable will not render it unless there is a corresponding column definition with the correct fieldName property.
Option D correctly identifies this two-step process. Option B is incomplete because the UI wouldn't know to show the new data. Option C is incorrect because you don't "extend" the component to add columns; you simply pass a configuration array. Option A is inefficient as it creates extra server round-trips for data that should be fetched in a single query. By aligning the SOQL fields with the datatable column definitions, the mailing address can be displayed seamlessly.
NEW QUESTION # 102
A developer created a Lightning web component that uses a lightning-record-edit-form to collect information about Leads. Users complain that they only see one error message at a time about their input when trying to save a Lead record.
What is the recommended approach to perform validations on more than one field, and display multiple error messages simultaneously with minimal JavaScript intervention?
Answer: D
Explanation:
Salesforce validation rules are declarative and can be used to validate more than one field on an object and display multiple error messages. This approach requires minimal JavaScript code and uses Salesforce's built-in validation framework. References:
Validation Rules
NEW QUESTION # 103
Consider the following code snippet:
A developer created the following test class to provide the proper code coverage for the snippet above:
However, when the test runs, no data is returned and the assertion fails.
Which edit should the developer make to ensure the test class runs successfully?
Answer: C
NEW QUESTION # 104
Which method should be used to convert a Date to a String in the current user's locale?
Answer: B
NEW QUESTION # 105
......
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