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Salesforce Plat-Dev-201 Exam - Topic 2 Question 12 Discussion

When a user edits the Postal Code on an Account, a custom Account text field named "Timezone" must be updated based on the values in another custom object called PostalCodeToTimezone__c.What is the optimal way to implement this feature?
A) Build a flow with Flow Builder.
B) Create an account approval process.
C) Create a formula field.
D) Build an account assignment rule.

Salesforce Plat-Dev-201 Exam - Topic 2 Question 12 Discussion

Actual exam question for Salesforce's Plat-Dev-201 exam
Question #: 12
Topic #: 2
[All Plat-Dev-201 Questions]

When a user edits the Postal Code on an Account, a custom Account text field named "Timezone" must be updated based on the values in another custom object called PostalCodeToTimezone__c.

What is the optimal way to implement this feature?

Show Suggested Answer Hide Answer
Suggested Answer: A

Comprehensive and Detailed Explanation From Exact Extract:

Flow Builder is designed for automating business processes declaratively. In this scenario, it can be configured to update the Timezone field on Account whenever the Postal Code is changed by querying the PostalCodeToTimezone__c object and updating the Account accordingly.


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by Stephaine at Jun 17, 2026, 05:54 AM

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Lindsey
3 days ago
D is irrelevant. Assignment rules are for ownership.
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Mitzie
8 days ago
C won't work. Formula fields can't update other fields.
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Alishia
13 days ago
B is unnecessary. Approval processes don't fit here.
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Lindsey
18 days ago
I agree. Flows can handle updates well.
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Mitzie
23 days ago
A seems best. Flows are flexible.
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Dacia
29 days ago
Not sure if D) would even work for this scenario.
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Lettie
1 month ago
A) is definitely the optimal choice!
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Evan
1 month ago
Surprised that B) isn't a valid option here.
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Sylvie
1 month ago
I disagree, C) formula field seems simpler.
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Graciela
2 months ago
A) Flow Builder is the way to go!
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Charolette
2 months ago
Assignment rules seem unrelated to this task; I think they’re more for lead or case management, right?
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Cecily
2 months ago
I feel like an approval process wouldn't really fit here since we just need to update a field, not approve anything.
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Rolande
2 months ago
I'm not entirely sure, but I remember a practice question where a formula field was used for similar scenarios.
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Chauncey
2 months ago
I think using Flow Builder could be the best option since it allows for dynamic updates based on user input.
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