AZ-400 Designing & Implementing Microsoft DevOps Solutions EXAM READINESS GUIDE Q & S 2025/2026

1. In Azure DevOps, which service is used to automate the
deployment of resources?
 a) Azure Logic Apps
 b) Azure Resource Manager
 c) Azure Automation
 d) Azure Service Fabric
 Answer: b) Azure Resource Manager
2. Which Azure service provides a managed domain for
Azure resources that allows you to use Active Directory
features without having to deploy a domain controller?
 a) Azure Active Directory Domain Services
 b) Azure Active Directory B2C
 c) Azure Active Directory B2B
 d) Azure Service Fabric
 Answer: a) Azure Active Directory Domain Services
3. When implementing a secure communication process in
Azure, what is the purpose of using a service like Azure Key
Vault?
 a) To manage storage account keys
 b) To store secrets used by cloud applications and
services
 c) To encrypt virtual machine disks
 d) To manage network security groups
 Answer: b) To store secrets used by cloud applications
and services
4. In the context of Azure, what does the term 'Idempotency'
refer to in the design of REST APIs?
 a) The ability to maintain state in a distributed system