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Salesforce DEX-450 Exam - Topic 6 Question 114 Discussion

Actual exam question for Salesforce's DEX-450 exam
Question #: 114
Topic #: 6
[All DEX-450 Questions]

The following Apex method is part of the ContactService class that is called from a trigger:

How should the developer modify the code to ensure best practices are met?

A)

C)

D)

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Suggested Answer: A

by Arlette at Jun 10, 2025, 09:08 AM

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Nada
4 months ago
Wait, why are we even considering Option B?
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Crissy
4 months ago
Not sure about Option D, seems risky.
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Rebecka
4 months ago
I think Option A has some merit too.
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Alline
5 months ago
Option C is definitely the best choice here.
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Leatha
5 months ago
Really? I didn't expect Option C to be the best.
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Val
5 months ago
I think we practiced a similar question where we had to ensure that the method was static. I wonder if that applies here too.
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Percy
5 months ago
I feel like one of the options might involve using a Map instead of a List to optimize performance, but I can't recall which one.
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Jerrod
5 months ago
I'm not entirely sure, but I think we might need to check for governor limits in this method. That seems to come up a lot in practice questions.
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Tayna
6 months ago
I remember we discussed the importance of bulkification in triggers, so I think that might be a key point here.
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Nathalie
6 months ago
Ah, I see what they're getting at. Option C is the way to go - it avoids the unnecessary SOQL query and updates the contact record in a single transaction.
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Ariel
6 months ago
I'm a bit unsure about this one. I'll need to double-check the Apex best practices to make sure I'm selecting the right option.
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Yuki
6 months ago
Option A looks good to me - it removes the unnecessary SOQL query and updates the contact record directly. That seems like the most efficient approach.
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Deeanna
6 months ago
Hmm, the code seems a bit complex. I'll need to think through the implications of each option to make sure I understand the best practice.
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Xuan
6 months ago
This looks like a pretty straightforward question. I'll carefully review the code and options to identify the best practice approach.
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