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| Section | Weight | Objectives |
|---|---|---|
| Testing, Debugging, and Deployment | 20% | - Deployment strategies, CI/CD, and change management - Advanced testing strategies and test frameworks - Debugging and error handling across layers |
| Advanced Developer Fundamentals | 15% | - Design and maintain scalable, reusable code - Apply security best practices in development - Work with localization, multi-currency, and global features |
| Performance and Data Management | 18% | - Governor limits optimization and best practices - Optimize queries and handle large data volumes - Data modeling and complex data operations |
| User Interface Development | 20% | - Optimize UI performance and usability - Implement advanced Visualforce functionality - Build complex Lightning Web Components and Aura Components |
| Logic, Process Automation, and Integration | 27% | - Advanced Apex programming and transaction management - Asynchronous Apex: future, queueable, batch, scheduled - REST/SOAP API, Platform Events, and external integrations - Complex business logic and automation design |
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NEW QUESTION # 199
When the code is executed, the callout is unsuccessful and the following error appears within the Developer Console:
System.CalloutException: Unauthorized endpoint
Which recommended approach should the developer implement
to resolve the callout exception?
Answer: B
Explanation:
The System.CalloutException with the message "Unauthorized endpoint" typically indicates that the endpoint to which the callout is being made has not been authorized in the Salesforce org's security settings. To resolve this, the developer must navigate to the Remote Site Settings in the Salesforce Setup and add the endpoint URL as a new remote site. This step is necessary to authorize the Salesforce org to send outbound callouts to that specific endpoint. Annotating with @Future(Callout=true) is necessary for making callouts from methods that perform DML operations, but it does not resolve endpoint authorization issues. Similarly, changing the access modifier or using SetHeader() for authentication would not address the unauthorized endpoint error.
Remote Site Settings
Apex Developer Guide: Making Callouts Using Apex
NEW QUESTION # 200
Consider the following code snippet:
The Apex method is executed in an environment with a large data volume count for Accounts, and the query is performing poorly. Which technique should the developer implement to ensure the query performs optimally, while preserving the entire result set?
Answer: B
Explanation:
When dealing with large data volumes in Salesforce and ensuring optimal performance for queries, it's important to choose an approach that both handles the data volume efficiently and retrieves the complete result set.
Option D is correct because using the Database.QueryLocator method is a best practice for handling large data volumes. It is typically used with batch Apex, which can process records in batches, thus reducing the likelihood of hitting governor limits. It's designed to handle very large data sets that would otherwise exceed normal SOQL query limits.
Option A is incorrect because creating a formula field doesn't improve the performance of the query. It simply creates a new field that combines existing data, but it does not inherently optimize the query execution.
Option B is incorrect because breaking down the query into two parts and joining them in Apex could potentially be less efficient and would require additional code to manage the combined result sets. This approach does not leverage the built-in Salesforce features designed to handle large data volumes.
Option C is incorrect because the @Future annotation makes the method execute asynchronously, but it does not help with query performance or large data volume management.
s:
Salesforce Documentation on Working with Very Large SOQL Queries: Working with Very Large SOQL Queries Salesforce Documentation on Using Batch Apex: Using Batch Apex
NEW QUESTION # 201
A developer created a Lightning web component mat allows users to Input a text value that is used to search for Accounts by calling an Apex method. The Apex method returns a list of account to apply and is called imperatively from a JavaScript event handler.
Which two changes should the developer make so the Apex method functions correctly. Choose 2 answers
Answer: C,D
NEW QUESTION # 202
The use of the transient keyword in Visualforce page controllers helps with which common performance issue?
Answer: C
Explanation:
The transient keyword in Visualforce page controllers marks variables that should not be part of the view state, which can significantly reduce the size of the view state. This can help avoid view state limit errors and improve page performance because a smaller view state requires less time to send to the client.
NEW QUESTION # 203
A developer is responsible for formulating the deployment process for a Salesforce project. The project follows a source-driven development approach, and the developer wants to ensure efficient deployment and version control of the metadata changes.
Which tool or mechanism should be utilized for managing the source-driven deployment process?
Answer: A
Explanation:
Salesforce CLI with Salesforce DX is the best tool for managing a source-driven deployment process. It facilitates version control, scriptable deployment, and rollback, and is optimized for collaboration and continuous integration.
NEW QUESTION # 204
......
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