This AI-102 practice question tests your understanding of plan and manage an azure ai solution. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Your team is developing a chatbot using Azure AI Bot Service with Language Understanding (LUIS). You need to improve intent recognition for user queries that contain typos. What should you recommend?
Add synonym lists for common misspellings
Why wrong: Does not cover all possible typos.
Use Azure Cognitive Search to correct typos
Why wrong: Search is not integrated with LUIS for spell correction.
Enable Bing Spell Check in the LUIS app settings
Corrects typos automatically before processing.
Train the model with many examples containing typos
Why wrong: May lead to overfitting and still miss typos.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Enable Bing Spell Check in the LUIS app settings
Option C is correct because enabling Bing Spell Check in the LUIS app settings allows the service to automatically correct typos in user utterances before they are processed for intent recognition. This built-in feature integrates directly with LUIS at the endpoint, correcting misspelled words to improve the accuracy of intent and entity extraction without requiring manual data augmentation or external services.
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.
Add synonym lists for common misspellings
Why it's wrong here
Does not cover all possible typos.
Use Azure Cognitive Search to correct typos
Why it's wrong here
Search is not integrated with LUIS for spell correction.
Enable Bing Spell Check in the LUIS app settings
Why this is correct
Corrects typos automatically before processing.
Related concept
Read the scenario before looking for a memorised answer.
Train the model with many examples containing typos
Why it's wrong here
May lead to overfitting and still miss typos.
Common exam traps
The trap here is that candidates often assume training with typos (Option D) is the best way to handle misspellings, but Microsoft explicitly recommends using Bing Spell Check as a separate preprocessing layer rather than bloating the training data with error-prone examples.
Detailed technical explanation
Bing Spell Check uses a combination of dictionary-based and context-aware algorithms to correct misspellings, and when enabled in LUIS, it runs as a preprocessing step on the utterance before it reaches the intent classifier. This is particularly important for user-facing chatbots where typos are common (e.g., 'helo' instead of 'hello'), as it prevents misclassification and improves the user experience without requiring the model to memorize every possible misspelling. Under the hood, LUIS sends the utterance to the Bing Spell Check API and replaces the corrected text before scoring intents and entities.
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
Plan and manage an Azure AI solution — This question tests Plan and manage an Azure AI solution — Read the scenario before looking for a memorised answer..
The correct answer is: Enable Bing Spell Check in the LUIS app settings — Option C is correct because enabling Bing Spell Check in the LUIS app settings allows the service to automatically correct typos in user utterances before they are processed for intent recognition. This built-in feature integrates directly with LUIS at the endpoint, correcting misspelled words to improve the accuracy of intent and entity extraction without requiring manual data augmentation or external services.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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