Sample Microsoft AZ-900 AZ-900 Practice Questions
Q: Which cloud computing model allows users to rent virtualized hardware resources such as servers, storage, and networking?
A: Infrastructure as a Service (IaaS) — IaaS provides virtualized computing infrastructure (VMs, storage, networking) on a pay-as-you-go basis. The customer manages the OS and applications while the provider manages the physical hardware.
Q: What is an Azure Region?
A: A set of data centers deployed within a latency-defined perimeter — An Azure Region is a set of data centers deployed within a latency-defined perimeter and connected through a dedicated regional low-latency network. Azure has 60+ regions worldwide.
Q: Which Azure tool provides a web-based graphical user interface for managing Azure resources?
A: Azure Portal — The Azure Portal is a web-based, unified console that provides a graphical interface for managing Azure resources. It allows users to build, manage, and monitor everything from simple web apps to complex cloud deployments.
Q: What is Microsoft Entra ID (formerly Azure Active Directory)?
A: A cloud-based identity and access management service — Microsoft Entra ID (formerly Azure AD) is a cloud-based identity and access management service. It provides authentication, single sign-on, multi-factor authentication, and conditional access for Azure and other services.
Q: Microsoft 365 and Salesforce are examples of which cloud service model?
A: Software as a Service (SaaS) — SaaS delivers fully functional applications over the internet. Users access the software via a browser without managing the underlying infrastructure, platform, or application code.
Q: A company wants to deploy a web application without managing the underlying operating system or runtime environment. Which cloud model is most appropriate?
A: PaaS — PaaS provides a managed platform for deploying applications. The cloud provider handles the OS, runtime, and middleware, allowing developers to focus solely on their application code and data.
Q: In the shared responsibility model for IaaS, who is responsible for patching the operating system?
A: The customer only — With IaaS, the customer is responsible for managing and patching the operating system. The cloud provider only manages the physical infrastructure, including servers, storage, and networking hardware.
Q: Which cloud service model gives the customer the LEAST amount of management responsibility?
A: SaaS — SaaS requires the least management from the customer because the provider manages everything from infrastructure to the application itself. The customer only manages their data and user access.
Q: Which cloud deployment model uses computing resources that are shared among multiple organizations over the internet?
A: Public cloud — A public cloud delivers services over the public internet and shares resources across multiple tenants. Azure, AWS, and GCP are examples of public cloud providers.
Q: A company operates its own data center exclusively for its own use. This is an example of which cloud model?
A: Private cloud — A private cloud is dedicated to a single organization, providing greater control over security and compliance. It can be hosted on-premises or by a third-party provider exclusively for that organization.