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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 2: Advanced Developer Fundamentals | 15% | - Work with localization, multi-currency, and global features - Design and maintain scalable, reusable code - Apply security best practices in development |
| Topic 3: Performance and Data Management | 18% | - Data modeling and complex data operations - Optimize queries and handle large data volumes - Governor limits optimization and best practices |
| Topic 4: Logic, Process Automation, and Integration | 27% | - Advanced Apex programming and transaction management - REST/SOAP API, Platform Events, and external integrations - Complex business logic and automation design - Asynchronous Apex: future, queueable, batch, scheduled |
| Topic 5: User Interface Development | 20% | - Build complex Lightning Web Components and Aura Components - Implement advanced Visualforce functionality - Optimize UI performance and usability |
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NEW QUESTION # 167
A developer wrote a trigger on Opportunity that will update a custom Last Sold Date field on the Opportunity's Account whenever an Opportunity is closed. In the test class for the trigger, the assertion to validate the Last Sold Date field fails.
What might be causing the failed assertion?
Answer: B
Explanation:
The test class may not be re-querying the Account record after updating the Opportunity, which is necessary to verify the updated field values. If the test does not query the database to get the most recent data after the trigger runs, it will not see the changes made by the trigger.
NEW QUESTION # 168
A company has code to update a Request and Request Lines and make a callout to their external ERP system's REST endpoint with the updated records.
The callousUtil.makeRestCallout fails with a "You have uncommitted work pending. Please commit or rollback before calling cut' error. What should be done to address the problem?
Answer: B
Explanation:
The error occurs because DML operations were performed before a callout. To fix this, the callout should be made from an asynchronous method such as one annotated with @future(callout=true), which allows DML operations to be committed separately from the callout.
nces: Apex Developer Guide - Making Asynchronous Callouts
NEW QUESTION # 169
A developer is asked to build a solution that will automatically send an email to the customer when an Opportunity stage changes. The solution must scale to allow for 10,000 emails per day. The criteria to send the email should be evaluated after certain conditions are met.
What is the optimal way to accomplish this?
Answer: C
Explanation:
Using an Email Alert with Flow Builder allows for scalable solutions that can handle large volumes of emails, and it offloads the processing from Apex to Salesforce's declarative automation tools. This approach is also bulk-safe, as it does not rely on Apex code that could hit governor limits.
NEW QUESTION # 170
A developer is writing code that requires making callouts to an external web service.
Which scenario necessitates that the callout be made in an asynchronous method?
Answer: D
Explanation:
Callouts cannot be made from a synchronous context such as an Apex trigger because they might exceed the maximum execution time, leading to timeouts. Asynchronous methods, such as future or Queueable, are required to handle callouts from triggers.
NEW QUESTION # 171
Refer to the component code and requirements below:
Requirements: 1. For mobile devices, the information should display in three rows. 2. For desktops and tablets, the information should display in a single row. Requirement 2 Is not displaying as desired. Which option has the correct component code to meet the requirements for desktops and tablets? A)
B)
C)
D)
Answer: C
Explanation:
To meet the requirements specified for displaying information differently on mobile devices versus desktops and tablets, the developer needs to use Lightning Layout and Lightning Layout Item components with appropriate size attributes to control the layout based on the form factor.
Option A is correct because it sets the size attribute to "12" for desktop and tablet devices, which tells the framework to take the full width of the container, resulting in a single row. For mobile devices, it defaults to full width, which will stack the layout items vertically, resulting in three rows.
Options B, C, and D are incorrect because they either do not set the correct size attributes for desktops and tablets or do not maintain the proper structure that would result in a single row for these devices.
Lightning Design System on Grid System: Lightning Grid System
Lightning Web Components Documentation on Layout Components: Layout Components
NEW QUESTION # 172
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