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Azure Fundamentals (AZ-900) — Practice Questions flashcards

6 of 60 questions free to study here · 3 topics · the whole deck is built into Willys

Multiple-choice practice questions, one best answer each, on cloud concepts, Azure architecture, compute, networking, storage, identity, cost, governance, monitoring and SLAs.

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Practice deck · part of Microsoft Azure Fundamentals (AZ-900) · written against: AZ-900 skills measured (current study guide). Updated 2026-10-10.

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  1. A company uses a SaaS email service. An employee's account is taken over because she reused a password from another website. Under the shared responsibility model, who is responsible for securing that account?

    A) Both parties equally, as set out in every SaaS contract
    B) The provider, because it owns the physical hosts and network
    C) The provider, because it runs the whole SaaS application
    D) The customer, which always owns its accounts and identities
    D) The customer, which always owns its accounts and identities

    Accounts and identities, along with data and devices, stay with the customer whatever the service type. Even though the provider runs the entire application in SaaS, it does not own the customer's user accounts.
    Cloud Concepts › Cloud Computing
  2. A retailer keeps its payment database in its own datacenter for regulatory reasons but runs its online storefront in Azure, and the two are connected. Which cloud model is the retailer using?

    A) Public cloud
    B) Private cloud
    C) Multi-cloud
    D) Hybrid cloud
    D) Hybrid cloud

    A hybrid cloud combines public and private environments that work together, letting the organization choose where each workload runs. Multi-cloud means using more than one public cloud provider, which is not the case here.
    Cloud Concepts › Cloud Computing
  3. A company deploys its application to two Azure regions that are paired with each other. Which statement about region pairs is correct?

    A) Planned updates roll out to one region of the pair at a time
    B) Every Azure region is guaranteed to have a paired region
    C) The two regions share one set of availability zones
    D) The two regions are normally placed in the same metropolitan area
    A) Planned updates roll out to one region of the pair at a time

    Region pairing staggers planned updates across the pair and prioritizes one region of each pair for recovery in a broad outage. Pairs are usually far apart within the same geography, and not every region has one.
    Azure Architecture and Services › Core Architectural Components
  4. An architect wants a set of virtual machines to keep running even if an entire datacenter is lost, while keeping them all in one Azure region. Across what should the VMs be spread?

    A) Update domains of an availability set
    B) Fault domains of an availability set
    C) Resource groups
    D) Availability zones
    D) Availability zones

    Availability zones are physically separate datacenters or groups of datacenters in a region, each with its own power, cooling and networking. Fault domains protect against a rack failure within a datacenter, not the loss of the datacenter.
    Azure Architecture and Services › Core Architectural Components
  5. Before building a new environment, a team wants to estimate its monthly Azure bill from the services, sizes and regions it plans to use. Which tool fits?

    A) Azure Migrate business case
    B) Azure Pricing Calculator
    C) Microsoft Cost Management
    D) Azure Advisor
    B) Azure Pricing Calculator

    The Pricing Calculator estimates what a planned set of Azure services will cost. The Azure Migrate business case instead compares the cost of servers already running on premises with running them in Azure.
    Azure Management and Governance › Cost Management
  6. Leadership wants to compare the cost of keeping servers on premises, including hardware, facilities, power and labour, against running them in Azure over several years. Which tool fits?

    A) Azure Migrate business case
    B) Azure Advisor
    C) Azure Pricing Calculator
    D) Microsoft Cost Management cost analysis
    A) Azure Migrate business case

    The Azure Migrate business case sets the on-premises total cost of ownership, including hardware, facilities, power and labour, against the projected Azure cost and the year-by-year cash flow. The Pricing Calculator only estimates the cost of Azure services you plan to deploy.

    Watch out: older study material names the Total Cost of Ownership (TCO) Calculator here; Microsoft's own AZ-900 training now says that tool has been retired.
    Azure Management and Governance › Cost Management

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About these cards

Review status: Second-reader reviewed, with corrections applied.

Checked against:

  • Checked against the Microsoft Azure Fundamentals (AZ-900) skills outline: cloud concepts, Azure architecture and services, and Azure management and governance sections (topic outline only; no text copied).
  • Checked against Microsoft Learn documentation for Azure regions and availability zones, compute, networking, Azure Storage redundancy and access tiers, Microsoft Entra ID, Microsoft Defender for Cloud, Microsoft Cost Management, the Azure Migrate business case, Azure Policy, resource locks, Microsoft Purview, Azure Arc, Azure Resource Manager, Bicep, Azure Advisor, Azure Service Health, Azure Monitor, the Azure SLA overview and Microsoft's Azure reliability guidance on SLAs, and against the Microsoft Learn AZ-900 training paths (reference only; no sentences reproduced).

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