This MB-910 practice question tests your understanding of describe dynamics 365 customer insights. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company uses Dynamics 365 Customer Insights - Data and wants to create a segment of high-value customers based on their total purchase amount in the last 90 days. The purchase data is in a separate table. What must they first create to build this segment?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
An enrichment
Why wrong: Enrichment adds external data, not needed here.
A relationship
A relationship links the customer table to the purchase table so that purchase data can be used in segments.
A measure
Why wrong: A measure is not required; the segment can directly reference the purchase table via relationship.
A new data source
Why wrong: The data source already exists; no new source is needed.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
A relationship
To build a segment in Dynamics 365 Customer Insights - Data that references data from a separate table (e.g., purchase transactions), you must first define a relationship between the customer entity and that table. A relationship establishes the key mapping (e.g., CustomerID) that allows the system to join the tables and evaluate conditions like total purchase amount across the two datasets.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
An enrichment
Why it's wrong here
Enrichment adds external data, not needed here.
A relationship
Why this is correct
A relationship links the customer table to the purchase table so that purchase data can be used in segments.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
A measure
Why it's wrong here
A measure is not required; the segment can directly reference the purchase table via relationship.
A new data source
Why it's wrong here
The data source already exists; no new source is needed.
Common exam traps
The trap here is that candidates often confuse 'measure' as the first step because it seems directly related to calculating total purchase amount, but they overlook that a relationship must exist first to link the customer and purchase tables before any aggregation can be performed.
Detailed technical explanation
In Dynamics 365 Customer Insights - Data, relationships are defined using a source entity and a target entity with a cardinality (e.g., many-to-one) and a key mapping. Once the relationship is created, you can build a measure that aggregates the purchase table (e.g., SUM of Amount) filtered by the last 90 days, and then use that measure as a condition in a segment. Without the relationship, the system cannot resolve the foreign key join, and any attempt to create a segment referencing the purchase table will fail with a 'no relationship found' error.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Describe Dynamics 365 Customer Insights — This question tests Describe Dynamics 365 Customer Insights — Read the scenario before looking for a memorised answer..
The correct answer is: A relationship — To build a segment in Dynamics 365 Customer Insights - Data that references data from a separate table (e.g., purchase transactions), you must first define a relationship between the customer entity and that table. A relationship establishes the key mapping (e.g., CustomerID) that allows the system to join the tables and evaluate conditions like total purchase amount across the two datasets.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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