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Salesforce ADX-201 Exam - Topic 3 Question 88 Discussion

The DreamHouse Realty team has a master-detail relationship set up with open house as theparent object and visitors as the child object.What type of field should the administrator add to the open house object to track number of visitors?
A) Roll-up Summary.
B) Multi-select Picklist
C) Cross-object formula field
D) Indirect lookup

Salesforce ADX-201 Exam - Topic 3 Question 88 Discussion

Actual exam question for Salesforce's ADX-201 exam
Question #: 88
Topic #: 3
[All ADX-201 Questions]

The DreamHouse Realty team has a master-detail relationship set up with open house as the

parent object and visitors as the child object.

What type of field should the administrator add to the open house object to track number of visitors?

Show Suggested Answer Hide Answer
Suggested Answer: A

A roll-up summary field is a type of field that calculates values from related records, such as the count of child records or the sum of a field on child records. In this case, the administrator can add a roll-up summary field to the open house object to track the number of visitors by counting the child records on the visitors object. Reference: https://help.salesforce.com/s/articleView?id=sf.fields_about_roll_up_summary_fields.htm&type=5


by Ernie at Jul 07, 2025, 10:53 AM

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Fidelia
6 months ago
Wait, can you really use Roll-up for counting?
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Jean
6 months ago
I thought a Cross-object formula could work too?
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Horace
6 months ago
Multi-select Picklist seems off for this, right?
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Adell
6 months ago
Agreed, that’s the best way to count visitors.
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Crissy
6 months ago
Definitely a Roll-up Summary field!
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Celestina
7 months ago
Indirect lookup sounds familiar, but I don't think it's for counting visitors. It might be something else entirely.
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Roosevelt
7 months ago
I practiced a similar question where we had to track related records, and I believe Roll-up Summary was the right choice there too.
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Dewitt
7 months ago
I'm not entirely sure, but I remember something about using formula fields for calculations. Would that apply here?
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Darell
7 months ago
I think we need a Roll-up Summary field to count the visitors since it's a master-detail relationship.
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Shakira
7 months ago
I'm a little confused on this one. The question mentions a master-detail relationship, but I'm not sure how that impacts the field type we should use. Is a Roll-up Summary the only option, or could something like a Multi-select Picklist work too? I'll need to review the field type details to make sure I understand this properly.
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Lauryn
8 months ago
Okay, I've got this! The key here is the master-detail relationship between open house and visitors. Since we need to track the number of visitors, a Roll-up Summary field on the open house object is definitely the way to go. That will automatically aggregate the visitor data from the child object. Easy peasy!
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Annita
8 months ago
Hmm, I'm not sure about this one. I'm trying to think through the different field types and how they might work in this scenario. The Roll-up Summary seems like a good possibility, but I'm also wondering if a Cross-object formula field could work too. I'll need to think it through a bit more.
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Amie
8 months ago
This looks like a straightforward question about tracking the number of visitors for an open house. I think the Roll-up Summary field would be the best option here since it can automatically aggregate the number of visitors from the child "visitors" object.
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Melinda
10 months ago
Honestly, I think the admin should just count the visitors manually. You know, with a pen and paper. That's the only way to be 100% sure you're getting the right number. Technology, am I right?
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Vincent
8 months ago
B) Multi-select Picklist
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Carmelina
10 months ago
A) Roll-up Summary.
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Patti
10 months ago
I believe an Indirect lookup field might be a better option to track number of visitors.
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Lynette
10 months ago
An Indirect lookup? What is this, a treasure hunt? I think the admin should just stick to the basics and go with the Roll-up Summary field. No need to get fancy here.
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Owen
9 months ago
User 3: Roll-up Summary makes sense for tracking the number of visitors. Let's keep it straightforward.
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Staci
10 months ago
User 2: Yeah, no need to complicate things with an Indirect lookup. Roll-up Summary is the best choice.
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Nada
10 months ago
User 1: I agree, keeping it simple with a Roll-up Summary field is the way to go.
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Avery
10 months ago
I'm not sure, but I think a Cross-object formula field could also work for this scenario.
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Magda
10 months ago
Hmm, I don't know. A Multi-select Picklist? Really? That doesn't sound right at all. How would that help track the number of visitors?
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Cherri
11 months ago
I'm not so sure about that. A Cross-object formula field might be a better choice here. That way, you can pull the visitor count from the child object without having to do a manual roll-up.
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Moon
10 months ago
User 2
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Carylon
10 months ago
User 1
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Kandis
11 months ago
Option A seems like the way to go. I mean, a Roll-up Summary field is designed to track the number of related records, right? Seems perfect for this use case.
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Moon
10 months ago
User 3: That makes sense, it would save time and effort for the administrator.
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Hollis
10 months ago
User 2: Definitely, it automatically calculates and displays the total count of child records.
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Carey
10 months ago
User 1: I agree, a Roll-up Summary field would be perfect for tracking the number of visitors.
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Arlean
11 months ago
I agree with Gabriele, a Roll-up Summary field makes sense to track number of visitors.
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Gabriele
11 months ago
I think the administrator should add a Roll-up Summary field.
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