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| Section | Weight | Objectives |
|---|---|---|
| User Interface Development | 20% | - Optimize UI performance and usability - Build complex Lightning Web Components and Aura Components - Implement advanced Visualforce functionality |
| Testing, Debugging, and Deployment | 20% | - Deployment strategies, CI/CD, and change management - Advanced testing strategies and test frameworks - Debugging and error handling across layers |
| Logic, Process Automation, and Integration | 27% | - Advanced Apex programming and transaction management - Asynchronous Apex: future, queueable, batch, scheduled - Complex business logic and automation design - REST/SOAP API, Platform Events, and external integrations |
| Advanced Developer Fundamentals | 15% | - Apply security best practices in development - Design and maintain scalable, reusable code - Work with localization, multi-currency, and global features |
| Performance and Data Management | 18% | - Data modeling and complex data operations - Governor limits optimization and best practices - Optimize queries and handle large data volumes |
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NEW QUESTION # 111
An org has a requirement that addresses on Contacts and Accounts should be normalized to a company standard by Apex code any time that they are saved.
What is the optimal way to implement this?
Answer: D
Explanation:
Apex triggers on Contact and Account with a helper class is the best practice for code reuse and maintaining clean trigger logic.
NEW QUESTION # 112
A developer is building a Lightning web component that searches
for Contacts. The component must communicate the search
results to other unrelated Lightning web components, that are in
different DOM trees, when the search completes.
What should the developer do to implement the communication?
Answer: D
Explanation:
For communication between unrelated Lightning web components that are in different DOM trees, the most suitable approach is to use the Lightning Message Service (LMS). This service allows components to communicate with each other using a message channel, which is particularly useful when the components are not in the same containment hierarchy. By publishing and subscribing to messages on a message channel, components can exchange data and notifications, which is ideal for the scenario described.
Lightning Web Components Developer Guide - Communicate Across the DOM with Lightning Message Service
NEW QUESTION # 113
What should be added to the setup, in the location indicated, for the unit test above to create the controller extension for the test?
Answer: B
Explanation:
For the unit test to create the controller extension, the correct setup is to instantiate a new ApexPages.StandardController with the Account record and then use it to instantiate the AccountControllerExt. This sets up the controller extension with the context of the provided Account record.
NEW QUESTION # 114
A developer is tasked with creating a Lightning web component that allows users to create a Case for a selected product, directly from a custom Lightning page. The input fields in the component are displayed in a non-linear fashion on top of an image of the product to help the user better understand the meaning of the fields.
Which two components should a developer use to implement the creation of the Case from the Lightning web component?
Choose 2 answers
Answer: A,B
Explanation:
To implement a Lightning web component that allows users to create a Case, you would need components that allow for input fields and the creation of records.
Option C (Lightning-input) is correct because it allows developers to create custom form input elements that can be positioned in a non-linear fashion as required.
Option D (lightning-record-form) is correct because it provides a simple way to create forms for viewing and editing Salesforce records and would be suitable for creating a new Case record.
Option A (Lightning-record-edit-form) is not a valid component; it seems to be a misprint of lightning-record-edit-form, which is indeed a component used for creating and editing records but was not listed as an option.
Option B (lightning-input-field) is used within the lightning-record-edit-form or lightning-record-view-form components to create editable or displayable fields respectively, but is not as versatile as lightning-input for custom layout purposes.
Lightning Web Components Documentation: Lightning-input
NEW QUESTION # 115
Which code snippet processes records in the most memory efficient manner, avoiding governor limits such as "Apex heap size too large"?
A)
B) C)
D)
Answer: A
Explanation:
Option D, which uses the Database.query() method in combination with a for loop, is the most memory-efficient way to process records. This is known as the Query Locator pattern, which allows you to work with a large number of records by querying them in batches. This approach helps to avoid hitting the governor limit for "Apex heap size too large" as it processes one record at a time from the database without storing the entire result set in memory.
Working with Very Large SOQL Queries
Apex Governor Limits
NEW QUESTION # 116
......
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