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Free PDF 2025 Salesforce Fantastic DEX-450 Free Exam Dumps

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Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Sample Questions (Q162-Q167):

NEW QUESTION # 162
A business has a proprietary Order Management System (QMS) that creates orders from Its website and fulfills the orders. When the order Is created in the OMS, an integration also creates an order record In Salesforce and relates It to the contact as identified by the email on the order. As the order goes through different stages in the OMS, the integration also updates it in Salesforce.
The business notices that each update from the OMS creates a new order record in Salesforce.
Which two actions should prevent the duplicate order records from being created in Salesforce?

A. Use the order number from the OMS as an external ID.
B. Use the email on the contact record as an external ID.
C. Ensure that the order number in the OMS is unique.
D. Write a trigger on the Order object to delete the duplicates.

Answer: A,C

Explanation:
To prevent duplicate Order records from being created when updates come from the OMS:
Option B: Use the order number from the OMS as an external ID.
Option D: Ensure that the order number in the OMS is unique.
Why These Actions Prevent Duplicates:
By using upsert with the External ID, the integration can update existing orders instead of creating new ones.
// Example of upsert operation using External ID
upsert orderRecord Order_Number__c;
*
Reference:
"An external ID is a custom field that has the 'External ID' attribute, meaning that it contains unique record identifiers from a system outside of Salesforce."
- Salesforce Help: External ID Fields
* Why Other Options Are Incorrect:
Option A: Using the email on the Contact record as an External ID does not prevent duplicate Orders.
Option C: Writing a trigger to delete duplicates is not proactive and adds complexity.

NEW QUESTION # 163
A developer created this Apex trigger that calls MyClass.mystaticMethod:

The developer creates a test class with a test method that calls MyClass.myStaticMethod directly, resulting in 81% overall code coverage What happens when the developer tries to deploy the trigger and two classes to production, assuming no other code exists?

A. The deployment passes because the Apex code has the required >75% code coverage.
B. The deployment passes because both classes and the trigger were included in the deployment.
C. The deployment fails because no assertions were made in the test method.
D. The deployment fails because the Apex trigger has no code coverage.

Answer: D

NEW QUESTION # 164
A developer needs to create an audit trail for records that are sent to the recycle bin. Which type of trigger is most appropriate to create?

A. Before delete
B. After undelete
C. Before undelete
D. After delete

Answer: B

NEW QUESTION # 165
Einstein Next Best Action Is configured at Universal Containers to display recommendations to internal users on the Account detail page.
If the recommendation is approved, a new opportunity record and task should be generated. If the recommendation is rejected, an Apex method must be executed to perform a callout to an external system.
Which three factors should a developer keep Hi mind when implementing the Apex method?
Choose 3 answers

A. The method must use the @AuraEnabled annotation.
B. The method must be defined as public.
C. The method must use the @Future annotation.
D. The method must be defined as static.
E. The method must use the @invocableMethod annotation.

Answer: B,C,D

NEW QUESTION # 166
How should a developer prevent a recursive trigger?

A. Use a trigger handler.
B. Use a "one trigger per object" pattern.
C. Use a static Boolean variable.
D. Use a private Boolean variable.

Answer: D

NEW QUESTION # 167
......

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