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| Section | Weight | Objectives |
|---|---|---|
| Testing and Debugging | 14% | - Use Developer Console and debugging tools - Analyze debug logs and resolve issues - Write Apex test classes with proper coverage - Implement mock implementations for testing |
| Integration | 14% | - Handle integration errors and retry logic - Use REST API and SOAP API in Apex - Implement OAuth 2.0 authentication flows - Implement outbound messaging and callouts - Use Named Credentials and External Data Sources |
| Lightning Component Framework | 14% | - Implement inheritance using base components - Debug Lightning component issues using browser developer tools - Use component events and application events appropriately - Use @track decorator and reactive properties correctly - Use Lightning Data Service to perform CRUD operations |
| Apex Programming | 18% | - Handle exceptions and implement error handling - Write and execute Apex triggers - Implement best practices for trigger logic - Design and implement integration patterns - Use asynchronous Apex (future methods, queueable, batch) |
| Performance | 12% | - Implement bulkify patterns - Identify and resolve performance bottlenecks - Optimize Apex and SOQL queries - Use caching mechanisms (Platform Cache, View State) |
| Salesforce Platform Fundamentals | 14% | - Understand the order of execution - Implement sharing and access control - Understand Salesforce architecture and Governor Limits - Use Process Builder and Flow appropriately |
| Data Modeling and Management | 14% | - Design complex data models with relationships - Use schema builder and relationship queries - Implement custom metadata and custom settings - Handle large data volumes with indexing and partitioning |
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NEW QUESTION # 68
What is the transaction limit on the number of "sendEmail" method calls?
Answer: C
Explanation:
Reference:
The reserveEmailCapacity methods let you declare how many emails you want to send prior to actually
sending, allowing you to handle limit errors prematurely
NEW QUESTION # 69
Consider the below trigger intended to assign the Account to the manager of the Account's region:
Which two changes should a developer make in this trigger to adhere to best practices?
Choose 2 answers
Answer: A,C
Explanation:
The best practices for writing triggers in Salesforce include bulkifying your code to handle multiple records efficiently and reducing the number of SOQL queries, especially within loops, to avoid hitting governor limits.
Option B is correct because moving the SOQL query outside of the for loop is essential to bulkify the trigger. Performing a query within a loop can cause a SOQL governor limit to be reached if the trigger is processing many records. The best practice is to collect all necessary data before the loop starts and then process it within the loop.
Option C is correct as well, because using a Map to cache the results of a SOQL query by Id is another way to bulkify the code. This allows you to query all the necessary data once and then access it efficiently in memory, avoiding repeated queries.
Option A is incorrect because adding isExecuting before the update doesn't address any best practices related to bulkification or SOQL query optimization.
Option D is incorrect because the last line should not be removed if the developer intends to perform DML on the accountList. However, this line should be outside of the loop and is unnecessary if the trigger context is 'before insert' or 'before update', since in those contexts, changes to records in Trigger.new are implicitly saved without the need for explicit DML.
References:
Apex Developer Guide on Triggers: Triggers and Order of Execution
Salesforce Developer Blog on Trigger Best Practices: Trigger Best Practices
NEW QUESTION # 70
An Apex trigger and Apex class increment a counter, Edit __C, any time the Case is changed.
Answer: C
NEW QUESTION # 71
Which interface needs to be implemented by an Aura component so that it may be displayed in modal dialog by clicking a button on a Lightning record page?
Answer: D
NEW QUESTION # 72
Universal Containers wants to notify an external system in the event that an unhandled exception occurs when their nightly Apex batch job runs.
What is the appropriate publish/subscribe logic to meet this requirement?
Answer: C
Explanation:
To notify an external system in the event that an unhandled exception occurs when their nightly Apex batch job runs, the appropriate publish/subscribe logic is to have the external system subscribe to a custom Platform Event that gets fired with EventBus.publish(). A Platform Event is a special kind of Salesforce object that represents a business event that occurs in the system, such as a change in data, a system failure, or a user action. A Platform Event can be published by Apex code using the EventBus.publish() method, which sends the event message to the event bus. An external system can subscribe to a Platform Event using a CometD client or an Apex trigger, and receive the event message in near real time. The developer can create a custom Platform Event that contains the relevant information about the unhandled exception, and publish it using EventBus.publish() in the catch block of the Apex batch job. The external system can subscribe to the custom Platform Event and handle the notification accordingly. Having the external system subscribe to a standard Platform Event that gets fired with EventBus.publish() would not work, as there is no standard Platform Event that matches the requirement. A standard Platform Event is a predefined Platform Event that represents a system event, such as a login failure, a record change, or a user logout. Having the external system subscribe to a custom Platform Event that gets fired with addError() would not work, as the addError() method is used to display a custom error message on a record or a field, not to publish a Platform Event. Having the external system subscribe to a standard Platform Event that gets fired would not work, as there is no standard Platform Event that matches the requirement, and the Platform Event needs to be published explicitly using EventBus.publish(). Reference: [Platform Events Basics], [Publish and Subscribe to Platform Events]
NEW QUESTION # 73
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