IIBA CBDA Exam - Topic 2 Question 23 Discussion

Actual exam question for IIBA's CBDA exam

Question #: 23
Topic #: 2

A data dictionary is being developed for a dataset describing a company's customer base. Within the data dictionary, which of the following represents a composite data element?

AStreet address

BFirst name

CTotal sale

DBirthdate

Show Suggested Answer

Suggested Answer: A

A composite data element is a data element that is made up of smaller units called sub-elements, which are separated by a sub-element separator character, such as a colon (:). For example, ITEMNO is a composite data element that consists of three sub-elements: part number, aisle number, and bin number. A street address is also a composite data element that can consist of sub-elements such as street number, street name, city, state, and zip code. First name, total sale, and birthdate are simple data elements that do not have sub-elements.

by Douglass at Sep 18, 2024, 11:56 PM

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Jennie

5 months ago

Not sure about that, seems a bit tricky.

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Eun

5 months ago

Agreed, street address has multiple parts!

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Stephane

6 months ago

Wait, isn't birthdate just a single value?

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Jin

6 months ago

I thought total sale could be composite too?

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Huey

6 months ago

Street address is definitely composite.

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Willard

6 months ago

I thought composite meant it has to be something like an address that includes different components, so I would lean towards A as well.

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Mariko

7 months ago

I feel like first name and birthdate are more straightforward, but I can't recall if street address is considered composite because it has multiple parts like street, city, and zip code.

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Natalie

7 months ago

I'm not entirely sure, but I remember a practice question where we discussed how total sale could be a composite if it includes multiple transactions.

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Hollis

7 months ago

I think a composite data element is something that combines multiple pieces of information, so maybe it's the street address?

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Carin

7 months ago

I think the answer here is street address. That's the only option that's clearly made up of multiple smaller data elements, like the street number, street name, city, state, and zip code. The other options seem to be single, atomic data elements.

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Cary

7 months ago

I'm a little confused on this one. I know composite data elements are made up of multiple smaller elements, but I'm not sure which of these options best fits that description. I'll have to review my notes and try to reason through it.

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Julian

7 months ago

Okay, let's see. Street address seems like the obvious choice here - it's typically made up of things like street number, street name, city, state, and zip code. That seems like the most composite option out of the choices given.

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Gilberto

7 months ago

Hmm, I'm a bit unsure about this one. I know a composite data element is made up of multiple smaller elements, but I'm not sure which of these options would qualify. I'll have to think it through carefully.

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Mollie

7 months ago

This looks like a straightforward data dictionary question. I think the key is to identify which of the options represents a composite data element, meaning it's made up of multiple smaller elements.

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Roosevelt

7 months ago

Hmm, this one seems tricky. I'll have to think carefully about the different schedule network analysis techniques and which one takes limited resources into account.

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