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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced Developer Fundamentals | 15% | - Work with localization, multi-currency, and global features - Apply security best practices in development - Design and maintain scalable, reusable code |
| Topic 2: Logic, Process Automation, and Integration | 27% | - Complex business logic and automation design - REST/SOAP API, Platform Events, and external integrations - Advanced Apex programming and transaction management - Asynchronous Apex: future, queueable, batch, scheduled |
| Topic 3: User Interface Development | 20% | - Build complex Lightning Web Components and Aura Components - Optimize UI performance and usability - Implement advanced Visualforce functionality |
| Topic 4: Testing, Debugging, and Deployment | 20% | - Deployment strategies, CI/CD, and change management - Debugging and error handling across layers - Advanced testing strategies and test frameworks |
| Topic 5: Performance and Data Management | 18% | - Governor limits optimization and best practices - Data modeling and complex data operations - Optimize queries and handle large data volumes |
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The Salesforce Plat-Dev-301 certification exam offers a great opportunity for Salesforce professionals to demonstrate their expertise and knowledge level. In return, they can become competitive and updated with the latest technologies and trends. To do this they just need to enroll in Salesforce Certified Platform Developer II - Multiple Choice (Plat-Dev-301) certification exam and have to put all efforts and resources to pass this challenging Plat-Dev-301 exam. You should also keep in mind that to get success in the Salesforce Plat-Dev-301 exam is not an easy task.
NEW QUESTION # 178
Which three Visualforce components can be used to initiate Ajax behavior to perform partial page updates?
Choose 3 answers
Answer: B,C,D
Explanation:
<apex:commandLink> and <apex:commandButton> components can cause the form data to be sent to the server and can be configured to refresh specific parts of the page.
<apex:actionSupport> adds AJAX support to other components and can trigger partial page updates based on events such as onclick, onchange, etc.
Visualforce Guide
NEW QUESTION # 179
Universal Containers analyzes a Lightning web component and its Apex controller class that retrieves a list of contacts associated with an account. The code snippets are as follows:
Based on the code snippets, what change should be made to display the contacts' mailing addresses in the Lightning web component?
Answer: A
Explanation:
To display the contacts' mailing addresses in the Lightning web component, both the SOQL query in the getAccountContacts method and the columns attribute in the JavaScript file of the component need to be updated. The query must include the MailingAddress field, and the JavaScript file must be modified to add this field to the columns shown in the lightning-datatable.
NEW QUESTION # 180
A company's support process dictates that any time a case is closed with a status of "Could net fix," an Engineering Review custom object record should be created and populated with information from the case, the contact, and any of the products associated with the case.
What Is the correct way to automate this using an Apex trigger?
Answer: D
Explanation:
In Salesforce, triggers can be defined to execute before or after a DML operation. An "after" trigger is used when you want to use the records that have been changed and rely on their committed values. In this scenario, you would use an after update trigger because you need to create a new record (Engineering Review) after the case has been updated with a status of "Could not fix". This cannot be done in a "before" trigger because the changes have not yet been committed to the database.
Therefore, the correct answer is A, which specifies an after update trigger on the Case object to create and insert the Engineering Review record.
Salesforce Developer Documentation on Triggers: Apex Developer Guide - Triggers
NEW QUESTION # 181
An org records customer order information in a custom object, ordar__c, that has fields for the shipping address. A developer is tasked with adding code to calculate shipping charges on an order, based on a flat percentage rate associated with the region of the shipping address.
What should the developer use to store the rates by region, so that when the changes are deployed to production no additional steps are needed for the calculation to work?
Answer: D
Explanation:
Custom metadata types are ideal for storing configuration data such as shipping rates by region. These rates can be deployed to production without additional steps and can be queried in Apex, allowing the calculations to work immediately post-deployment.
NEW QUESTION # 182
A developer is debugging an Apex-based order creation process that has a requirement to have three savepoints, SP1, SP2, and 5P3 {created in order), before the final execution of the process.
During the final execution process, the developer has a routine to roll back to SP1 for a given condition. Once the condition is fixed, the code then calls 2 roll back to SP3 to continue with final execution. However, when the roll back to SP3 is called, a Funtime error occurs.
Why does the developer receive a runtime error?
Answer: D
Explanation:
Savepoints in Apex are markers within a transaction and rolling back to an earlier savepoint (SP1) invalidates any savepoints created after it. Thus, SP3 is invalidated when the code rolls back to SP1, causing a runtime error when a rollback to SP3 is attempted.
NEW QUESTION # 183
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