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.
During data unification, a large number of records are marked as 'unmatched'. The administrator wants to reduce this number. What is the best approach?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Increase the number of data sources
Why wrong: More sources may increase unmatched records.
Adjust matching rules to be less strict
Less strict rules will match more records.
Skip the unification step
Why wrong: Unification is necessary for a single view.
Delete the unmatched records
Why wrong: Deletion is not a solution; data is lost.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Adjust matching rules to be less strict
Option B is correct because adjusting matching rules to be less strict (e.g., lowering the similarity threshold or using fuzzy matching instead of exact match) allows more records to be considered as duplicates and merged, thereby reducing the number of unmatched records. In Dynamics 365 Customer Insights, matching rules define the conditions under which records from different data sources are considered the same customer profile, and making them less strict increases the recall of the unification process.
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.
Increase the number of data sources
Why it's wrong here
More sources may increase unmatched records.
Adjust matching rules to be less strict
Why this is correct
Less strict rules will match more records.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Skip the unification step
Why it's wrong here
Unification is necessary for a single view.
Delete the unmatched records
Why it's wrong here
Deletion is not a solution; data is lost.
Common exam traps
The trap here is that candidates may think deleting unmatched records is a quick fix, but the exam tests understanding that the goal is to improve the unification process itself, not to remove data that doesn't match perfectly.
Detailed technical explanation
Under the hood, Dynamics 365 Customer Insights uses a deduplication engine that compares records based on configurable rules, including exact match, fuzzy match, and custom conditions. The matching rules can be tuned with similarity thresholds (e.g., 80% vs. 90% match) and field weights; lowering the threshold or enabling fuzzy matching (e.g., using Levenshtein distance) can merge records that have minor variations like typos or different name formats. In a real-world scenario, a retail company with multiple CRM and POS systems might have slight name differences (e.g., 'Bob Smith' vs. 'Robert Smith'), and relaxing the matching rule from exact to fuzzy can correctly unify these profiles.
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: Adjust matching rules to be less strict — Option B is correct because adjusting matching rules to be less strict (e.g., lowering the similarity threshold or using fuzzy matching instead of exact match) allows more records to be considered as duplicates and merged, thereby reducing the number of unmatched records. In Dynamics 365 Customer Insights, matching rules define the conditions under which records from different data sources are considered the same customer profile, and making them less strict increases the recall of the unification process.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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