- A
Install the `Microsoft.ApplicationInsights.Profiler.AspNetCore` NuGet package.
Why wrong: Profiler provides per-request traces and can show SQL queries, but it does not automatically collect the SQL command text. You still need to enable command text instrumentation.
- B
Install the `Microsoft.ApplicationInsights.DependencyCollector` NuGet package.
This package collects dependency telemetry (including SQL). By default, it does not capture SQL command text; it must be enabled via configuration.
- C
Set `EnableSqlCommandTextInstrumentation` to `true` in the `DependencyTrackingTelemetryModule` configuration.
This setting explicitly tells the dependency collector to include the SQL command text in telemetry, making it visible in the portal under the 'Dependencies' blade.
- D
Enable adaptive sampling to ensure all SQL queries are collected.
Why wrong: Adaptive sampling reduces the amount of telemetry to control costs; it does not enable SQL command text collection. In fact, it may drop some dependency data.
Quick Answer
The correct answer is to set `EnableSqlCommandTextInstrumentation` to `true` in the `DependencyTrackingTelemetryModule` configuration, and to ensure the `Microsoft.ApplicationInsights.DependencyCollector` NuGet package is installed. This is required because the dependency collector automatically captures SQL Server calls as dependency telemetry, but the actual command text is deliberately excluded by default to prevent sensitive data leakage. You must explicitly opt in by enabling that property to view the full SQL queries and their duration in the Application Insights portal. On the AZ-204 exam, this tests your understanding of telemetry configuration and security defaults—a common trap is assuming SQL text is captured automatically once dependencies are collected. Remember the mnemonic: "Dependencies first, then text—enable both to inspect the context."
AZ-204 Practice Question: Monitor, troubleshoot, and optimize Azure solutions
This AZ-204 practice question tests your understanding of monitor, troubleshoot, and optimize azure solutions. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
You are monitoring an ASP.NET Core web API with Application Insights. You want to view the SQL queries being executed, including the command text and duration, in the Application Insights portal. Which actions must you take? (Select all that apply.) (Choose 2.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Install the `Microsoft.ApplicationInsights.DependencyCollector` NuGet package.
Option B is correct because the `Microsoft.ApplicationInsights.DependencyCollector` NuGet package is required to automatically collect dependency telemetry, including SQL Server calls. Without this package, Application Insights will not capture SQL dependency data at all. Option C is correct because even with the dependency collector installed, SQL command text is not collected by default for security reasons; you must explicitly set `EnableSqlCommandTextInstrumentation` to `true` in the `DependencyTrackingTelemetryModule` configuration to view the actual SQL queries and their duration in the portal.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Install the `Microsoft.ApplicationInsights.Profiler.AspNetCore` NuGet package.
Why it's wrong here
Profiler provides per-request traces and can show SQL queries, but it does not automatically collect the SQL command text. You still need to enable command text instrumentation.
- ✓
Install the `Microsoft.ApplicationInsights.DependencyCollector` NuGet package.
Why this is correct
This package collects dependency telemetry (including SQL). By default, it does not capture SQL command text; it must be enabled via configuration.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Set `EnableSqlCommandTextInstrumentation` to `true` in the `DependencyTrackingTelemetryModule` configuration.
Why this is correct
This setting explicitly tells the dependency collector to include the SQL command text in telemetry, making it visible in the portal under the 'Dependencies' blade.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Enable adaptive sampling to ensure all SQL queries are collected.
Why it's wrong here
Adaptive sampling reduces the amount of telemetry to control costs; it does not enable SQL command text collection. In fact, it may drop some dependency data.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume installing the dependency collector alone is sufficient to see SQL command text, but they overlook the explicit configuration flag (`EnableSqlCommandTextInstrumentation`) required to enable that specific data collection.
Trap categories for this question
Command / output trap
Profiler provides per-request traces and can show SQL queries, but it does not automatically collect the SQL command text. You still need to enable command text instrumentation.
Detailed technical explanation
How to think about this question
Under the hood, the `DependencyTrackingTelemetryModule` intercepts SQL calls via ADO.NET event hooks (e.g., `SqlClient`). By default, it captures dependency name, type, and duration, but omits command text to avoid leaking sensitive data. Setting `EnableSqlCommandTextInstrumentation` to `true` enables the module to collect the full `CommandText` property, which is then sent as part of the dependency telemetry envelope to Application Insights. In a real-world scenario, this is critical for diagnosing slow queries in production without requiring a separate database profiler.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
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
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Monitor, troubleshoot, and optimize Azure solutions — study guide chapter
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FAQ
Questions learners often ask
What does this AZ-204 question test?
Monitor, troubleshoot, and optimize Azure solutions — This question tests Monitor, troubleshoot, and optimize Azure solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Install the `Microsoft.ApplicationInsights.DependencyCollector` NuGet package. — Option B is correct because the `Microsoft.ApplicationInsights.DependencyCollector` NuGet package is required to automatically collect dependency telemetry, including SQL Server calls. Without this package, Application Insights will not capture SQL dependency data at all. Option C is correct because even with the dependency collector installed, SQL command text is not collected by default for security reasons; you must explicitly set `EnableSqlCommandTextInstrumentation` to `true` in the `DependencyTrackingTelemetryModule` configuration to view the actual SQL queries and their duration in the portal.
What should I do if I get this AZ-204 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 11, 2026
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