This AZ-400 practice question tests your understanding of design and implement build and release pipelines. 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.
You are configuring a YAML build pipeline for a .NET Core application. Which task should you use to restore NuGet packages?
NuGetCommand task
Why wrong: NuGetCommand is for classic NuGet scenarios; for .NET Core, DotNetCoreCLI is preferred.
PowerShell task with dotnet restore
Why wrong: While possible, using the dedicated DotNetCoreCLI task is the standard approach.
NuGetAuthenticate task
Why wrong: NuGetAuthenticate is for authentication, not restoring packages.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
DotNetCoreCLI task with 'restore' command
The DotNetCoreCLI task with the 'restore' command is the recommended approach for restoring NuGet packages in a YAML build pipeline for a .NET Core application. It directly invokes 'dotnet restore', which is the native .NET CLI command that handles package restoration efficiently and integrates seamlessly with the .NET SDK, ensuring compatibility with project files and dependency resolution.
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.
NuGetCommand task
Why it's wrong here
NuGetCommand is for classic NuGet scenarios; for .NET Core, DotNetCoreCLI is preferred.
PowerShell task with dotnet restore
Why it's wrong here
While possible, using the dedicated DotNetCoreCLI task is the standard approach.
NuGetAuthenticate task
Why it's wrong here
NuGetAuthenticate is for authentication, not restoring packages.
Option-by-option analysis
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The AZ-400 exam frequently reuses these exact scenarios with slightly different constraints.
Why this is wrong here
NuGetCommand is for classic NuGet scenarios; for .NET Core, DotNetCoreCLI is preferred.
Why this is wrong here
While possible, using the dedicated DotNetCoreCLI task is the standard approach.
Why this is wrong here
NuGetAuthenticate is for authentication, not restoring packages.
Analysis generated from the official AZ-400blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
The trap here is that candidates often choose the NuGetCommand task (A) because they associate 'NuGet' with package restoration, not realizing that .NET Core projects require the DotNetCoreCLI task for proper SDK integration and that the legacy task is deprecated for modern .NET workflows.
Trap categories for this question
Command / output trap
NuGetCommand is for classic NuGet scenarios; for .NET Core, DotNetCoreCLI is preferred.
Scenario analysis trap
NuGetCommand is for classic NuGet scenarios; for .NET Core, DotNetCoreCLI is preferred.
Detailed technical explanation
Under the hood, 'dotnet restore' resolves dependencies by reading the project's .csproj file and generating a project.assets.json file, which is used by the build process. The DotNetCoreCLI task wraps this command and automatically handles NuGet feed authentication when combined with the NuGetAuthenticate task, making it the standard choice for modern .NET Core pipelines. In real-world scenarios, using the DotNetCoreCLI task also supports multi-target frameworks and conditional restoration based on build configurations.
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
Design and implement build and release pipelines — This question tests Design and implement build and release pipelines — Read the scenario before looking for a memorised answer..
The correct answer is: DotNetCoreCLI task with 'restore' command — The DotNetCoreCLI task with the 'restore' command is the recommended approach for restoring NuGet packages in a YAML build pipeline for a .NET Core application. It directly invokes 'dotnet restore', which is the native .NET CLI command that handles package restoration efficiently and integrates seamlessly with the .NET SDK, ensuring compatibility with project files and dependency resolution.
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 11, 2026
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