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| Section | Objectives |
|---|---|
| Topic 1: Asynchronous Apex | - Scheduled and future methods
|
| Topic 2: Integration and APIs | - External system integration
|
| Topic 3: Advanced Apex Programming | - Complex Apex logic implementation
|
| Topic 4: Testing, Debugging, and Deployment | - Test-driven development
|
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NEW QUESTION # 135
Refer to the markup below:
A Lightning web component displays the Account name and two custom fields out of
275 that exist on the abject. The custom fields are correctly declared and populated. However, the developer receives complaints that the component performs slowly.
What can the developer do to improve the performance?
Answer: C
Explanation:
To improve performance, the developer should specify only the fields needed by using the fields attribute in the lightning-record-form instead of loading all fields with layout-type="Full". This reduces the amount of data being retrieved and processed, thus improving the component's performance.
References: Lightning Web Components Developer Guide - lightning-record-form
NEW QUESTION # 136
Universal Containers uses Salesforce to track orders in an order__c object.
The order = object has private organization-wide defaults. The order = object has a custom field, Quality_Controller_c, that is a Lookup to User and is used to indicate that the specified User is performing quality control on the order_ co.
What should be used to automatically give read only access to the User set in the Quality_Controller field?
Answer: B
NEW QUESTION # 137
A developer needs to implement a system audit feature that allows users, assigned to a custom profile named
"Auditors", to perform searches against the historical records in the Account object. The developer must ensure the search is able to return history records that are between 6 and 12 months old. Given the code below, which select statement should be inserted as a valid way to retrieve the Account History records?4445 Java Date initialDate = System.Today().addMonths(-12); Date endDate = System.Today().addMonths(-6);
// Insert SELECT statement here
Answer: A
Explanation:
To query history records for a standard object like Account, the developer must use the correct API name, which is AccountHistory (not Account_History). When filtering for a range of dates, SOQL provides the BETWEEN operator, which makes the query cleaner and more readable. Option C uses both the correct object name and the BETWEEN syntax, making it the most efficient solution.
In SOQL, CreatedDate BETWEEN :initialDate AND :endDate is shorthand for CreatedDate >= :initialDate AND CreatedDate <= :endDate. In the provided code, initialDate is 12 months ago (the older date) and endDate is 6 months ago (the more recent date). Therefore, the range correctly captures records between those two timestamps.
Option A and B use an incorrect object name (Account_History). Option D uses the incorrect comparison operator => (the correct operator is >=). Furthermore, Option C follows the best practice for date range queries in Apex by using bind variables with the standard AccountHistory object, ensuring the "Auditors" profile can retrieve the necessary historical data within the platform's audit and security constraints.
NEW QUESTION # 138
The REST API __________.
Answer: B
Explanation:
Explanation
NEW QUESTION # 139
The Account object has a field, Audit_Code_c, that is used to specify what type of auditing the Account needs and a Lookup to User, zudizar_c, that is the assigned auditor. When an Account is initially created, the user specifies the Audit_Code c. Each User in the org has a unique text field, Audit_Code _e, that is used to automatically assign the correct user to the Account's Auditor_c field.
What should be changed to most optimize the code's efficiency?
Choose 2 answers
Answer: A,B
Explanation:
To optimize the code's efficiency when assigning users to the Account's Auditor field based on the audit code, the following changes should be considered:
B: Building a map of audit code to accounts (Map<string, List<Account>>) would allow for efficient grouping of accounts by their audit code. This would make it easier to process accounts with the same audit code in a single operation, reducing the number of SOQL queries and DML operations needed.
D: Adding a WHERE clause to the SOQL query to filter on audit codes would limit the number of records returned by the query. This means the code only processes relevant User records with matching audit codes, thereby reducing the processing time and memory consumption.
Option A is not recommended because querying for all distinct audit codes without any context of the accounts being processed could be inefficient. Option C is less effective because it would involve creating a mapping of Account Ids to audit codes, which doesn't aid in the efficient assignment of auditor to accounts.
References:
Salesforce Developer Guide on Maps: Apex Maps
Salesforce Developer Guide on SOQL Queries: SOQL SELECT Syntax
NEW QUESTION # 140
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