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NEW QUESTION # 189
What is the correct order of execution for Visualforce Page "postback" requests (when user interaction requires a page update)
Answer: A
NEW QUESTION # 190
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: C,D
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 # 191
A developer created and tested a Visualforce page in their developer sandbox, but now receives reports that users are encountering ViewState errors when using it in Production. What should the developer ensure to correct these errors?
Answer: C
NEW QUESTION # 192
Instead of waiting to send emails to support personnel directly from the finish method of a batch Apex process, Universal Containers wants to notify an external system in the event that an unhandled exception occurs.
What is the appropriate publish/subscribe logic to meet this requirement?
Answer: B
Explanation:
Use BatchApexErrorEvent for notifications. It's automatically triggered for unhandled exceptions in batch Apex. No need for manual publishing. External systems can subscribe to this event to receive notifications.References: Batch Apex
NEW QUESTION # 193
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: B,D
NEW QUESTION # 194
......
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