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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Modeling and Management | 14% | - Implement custom metadata and custom settings - Handle large data volumes with indexing and partitioning - Use schema builder and relationship queries - Design complex data models with relationships |
| Topic 2: Salesforce Platform Fundamentals | 14% | - Use Process Builder and Flow appropriately - Implement sharing and access control - Understand Salesforce architecture and Governor Limits - Understand the order of execution |
| Topic 3: Performance | 12% | - Use caching mechanisms (Platform Cache, View State) - Optimize Apex and SOQL queries - Implement bulkify patterns - Identify and resolve performance bottlenecks |
| Topic 4: Apex Programming | 18% | - Use asynchronous Apex (future methods, queueable, batch) - Implement best practices for trigger logic - Write and execute Apex triggers - Handle exceptions and implement error handling - Design and implement integration patterns |
| Topic 5: Testing and Debugging | 14% | - Implement mock implementations for testing - Analyze debug logs and resolve issues - Use Developer Console and debugging tools - Write Apex test classes with proper coverage |
| Topic 6: Lightning Component Framework | 14% | - Use @track decorator and reactive properties correctly - Use Lightning Data Service to perform CRUD operations - Use component events and application events appropriately - Debug Lightning component issues using browser developer tools - Implement inheritance using base components |
| Topic 7: Integration | 14% | - Implement OAuth 2.0 authentication flows - Use Named Credentials and External Data Sources - Implement outbound messaging and callouts - Use REST API and SOAP API in Apex - Handle integration errors and retry logic |
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NEW QUESTION # 96
There are user complaints about slow render times of a custom data table within a Visualforce page that loads thousands of Account records at once.
What can a developer do to help alleviate such issues?
Answer: C
Explanation:
Using the standard Account List controller and implementing pagination is the best way to help alleviate the slow render times of the custom data table. This way, the Visualforce page will only load a subset of the Account records at a time, reducing the amount of data transferred and rendered. Using JavaScript remoting to query the accounts might improve the performance, but it will still load all the accounts at once, which is not efficient. Using the transient keyword in the Apex code when querying the Account records will prevent the records from being saved in the view state, but it will not reduce the query time or the render time. Uploading a third-party data table library as a static resource might enhance the look and feel of the data table, but it will not solve the underlying issue of loading too much data at once. Reference: [Standard List Controllers], [Using JavaScript Remoting to Create Visualforce Pages with Complex, Asynchronous Behavior], [Transient Keyword], [Static Resources]
NEW QUESTION # 97
Recently, users notice that fields that were recently added for one department suddenly disappear without warning.
Which two statements are true regarding these issues and resolution?
Choose 2 answers
Answer: A,C
Explanation:
The two statements that are true regarding the issues and resolution are: the administrators are deploying their own change sets over each other, thus replacing entire page layouts in production, and a sandbox should be created to use as a unified testing environment instead of deploying change sets directly to production. Change sets are a way of deploying metadata changes from one Salesforce org to another, such as from a sandbox to a production org. Change sets can include page layouts, which define the layout and organization of fields, buttons, and related lists on a record detail or edit page. If the administrators are deploying their own change sets over each other, they may overwrite the page layouts that were previously deployed by another administrator, and cause the fields to disappear. To avoid this issue, the administrators should create a sandbox, which is a copy of the production org, and use it as a unified testing environment. The administrators can make their changes in the sandbox, test them, and then deploy them to the production org using change sets. This way, the administrators can ensure that the page layouts are consistent and complete in both the sandbox and the production org. Page layouts can be deployed via change sets, and this does not cause field-level security to be reset and fields to disappear. Field-level security controls the visibility and editability of fields for different profiles and permission sets, and it is not affected by deploying page layouts. The administrators are not deploying their own change sets, thus deleting each other's fields from the objects in production. Fields are not deleted by deploying change sets, unless the change set explicitly includes a field deletion component. Reference: [Change Sets], [Page Layouts], [Sandboxes]
NEW QUESTION # 98
Refer to the exhibit
Users of this Visualforce page complain that the page does a full refresh every time the Search button Is pressed.
What should the developer do to ensure that a partial refresh Is made so that only the section identified with opportunity List is re-drawn on the screen?
Answer: A
Explanation:
To ensure that only a part of the Visualforce page is refreshed, developers can use the reRender attribute of the <apex:commandButton> tag. This attribute specifies the IDs of the components that should be re- rendered as a result of the action method being completed. In this case, setting the reRender attribute to the ID of the <apex:pageBlockSection> that contains the opportunity list will cause only that section to be updated on the page, resulting in a partial page refresh.
The correct answer is B because it uses the reRender attribute correctly to update only the specific part of the page (opportunityList) without a full page refresh.
References:
Salesforce Developer Documentation on Visualforce AJAX Components: Visualforce Developer Guide - CommandButton
NEW QUESTION # 99
A developer is building a Lightning web component that displays quantity, unit price, and the total for an order line item. The total is calculated dynamically as the quantity multiplied by the unit price.
What must be added to display the total?
Answer: A
NEW QUESTION # 100
What is a valid request for the following REST method? (Choose two.)
@HttpPost global static void myPostMethod(String si, Integer il, Boolean bl, String 52)
Answer: B,C
NEW QUESTION # 101
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