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PAS-C01 Migration Practice Question

A company is migrating a Windows-based .NET application to AWS. The application currently uses Active Directory for authentication. Which AWS service should they use to maintain a similar authentication experience?

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

✓

AWS Directory Service for Microsoft Active Directory

AWS Directory Service for Microsoft Active Directory provides a managed Microsoft Active Directory in the AWS cloud, allowing the application to authenticate against Active Directory without changes. Option A is correct. Option B (Simple AD) is a Samba-based directory, not fully compatible with all .NET AD features. Option C (IAM) manages access to AWS resources, not application authentication. Option D (Cognito) is for external user pools, not enterprise AD integration.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✓

    AWS Directory Service for Microsoft Active Directory

    Why this is correct

    Provides managed AD compatible with Windows apps.

  • ✗

    AWS Directory Service Simple AD

    Why it's wrong here

    Simple AD is a Samba-based directory, not full AD.

  • ✗

    AWS Identity and Access Management (IAM)

    Why it's wrong here

    IAM manages access to AWS resources, not Windows apps.

  • ✗

    Amazon Cognito

    Why it's wrong here

    Cognito is for consumer identity and access management.

About these practice questions

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.