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    Exam: AZ-900: Microsoft Azure Fundamentals

    Total Questions: 461
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    Your company has datacenters in Los Angeles and New York. The company has a Microsoft Azure subscription.
    You are configuring the two datacenters as geo-clustered sites for site resiliency.
    You need to recommend an Azure storage redundancy option.
    You have the following data storage requirements:
    - Data must be stored on multiple nodes.
    - Data must be stored on nodes in separate geographic locations.
    - Data can be read from the secondary location as well as from the primary location

    Which of the following Azure stored redundancy options should you recommend?

    A. Geo-redundant storage
    B. Read-only geo-redundant storage
    C. Zone-redundant storage
    D. Locally redundant storage
    A. Geo-redundant storage ✅ Explanation: Geo-redundant storage (GRS) is the appropriate choice for the following reasons: 1. Data is stored on multiple nodes across two geographic locations (Los Angeles and New York). This meets the requirement for data to be stored in separate geographic locations. 2. Data can be read from both the primary and secondary locations. This meets the requirement for data to be readable from the secondary location. 3. GRS provides the highest level of durability, with data replicated synchronously within a single region and then asynchronously to a secondary remote region. This meets the requirement for data to be stored on multiple nodes.

    Your company's Azure subscription includes a Basic support plan.
    They would like to request an assessment of an Azure environment's design from Microsoft. This is, however, not supported by the existing plan.
    You want to make sure that the company subscribes to a support plan that allows this functionality, while keeping expenses to a minimum.

    Solution: You recommend that the company subscribes to the Professional Direct support plan.
    Does the solution meet the goal?

    A. Yes
    B. No
    A. Yes ✅ Explanation: The Professional Direct support plan does include architecture guidance, including assessments of Azure environment designs, which is what the company is seeking. It offers faster response times and access to ProDirect Delivery Managers, which help provide proactive guidance. While Standard support offers technical support, it does not provide this level of design assessment. Therefore, Professional Direct is the lowest-cost plan that meets this requirement.

    You are tasked with deploying Azure virtual machines for your company.
    You need to make use of the appropriate cloud deployment solution.

    Solution: You should make use of Platform as a Service (PaaS).
    Does the solution meet the goal?

    A. Yes
    B. No
    B. No ✅ Explanation: Deploying Azure Virtual Machines (VMs) is an example of using Infrastructure as a Service (IaaS), not Platform as a Service (PaaS). IaaS provides virtualized computing resources over the internet, such as virtual machines, networking, and storage — all of which are managed by the user. PaaS, on the other hand, abstracts away the infrastructure layer and provides a platform to develop and deploy applications without managing the underlying servers or VMs.

    You are tasked with deploying Azure virtual machines for your company.
    You need to make use of the appropriate cloud deployment solution.

    Solution: You should make use of Infrastructure as a Service (IaaS).
    Does the solution meet the goal?

    A. Yes
    B. No
    A. Yes ✅ Explanation: - Deploying Azure Virtual Machines (VMs) is a classic use case of Infrastructure as a Service (IaaS). - IaaS provides the basic building blocks for cloud IT: virtual machines, storage, networking, and operating systems. - With IaaS, you manage the VM, OS, and apps, while Azure manages the physical infrastructure.

    Your developers have created 10 web applications that must be host on Azure.
    You need to determine which Azure web tier plan to host the web apps. The web tier plan must meet the following requirements:
    - The web apps will use custom domains.
    - The web apps each require 10 GB of storage.
    - The web apps must each run in dedicated compute instances.
    - Load balancing between instances must be included.
    - Costs must be minimized.

    Which web tier plan should you use?

    A. Standard
    B. Basic
    C. Free
    D. Shared
    A. Standard Explanation: Custom domains → ✅ Supported in Basic and Standard (not in Free or Shared). 10 GB storage per app → ✅ Standard provides enough storage. ❌ Basic might be tight, as storage is more limited compared to Standard. ❌ Free/Shared are too limited. Dedicated compute instances → ✅ Basic and Standard provide dedicated compute. ❌ Free/Shared do not offer dedicated compute. Built-in load balancing between instances → ✅ Only Standard supports auto-scaling and load balancing. ❌ Basic supports manual scaling but not load balancing. Costs must be minimized → While Basic is cheaper, it does not meet the load balancing requirement. Standard is the lowest-cost plan that meets all the requirements.

    You are planning to migrate a company to Azure. Each of the company's numerous divisions will have an administrator in place to manage the Azure resources used by their respective division.
    You want to make sure that the Azure deployment you employ allows for Azure to be segmented for the divisions, while keeping administrative effort to a minimum.

    Solution: You plan to make use of several Azure Active Directory (Azure AD) directories.
    Does the solution meet the goal?

    A. Yes
    B. No
    B. No ✅ Explanation: Why this solution does NOT meet the goal: - Multiple Azure AD directories mean separate user accounts, roles, policies, and access management for each directory. - Users can’t be easily assigned roles or access across directories. It increases complexity, overhead, and cost. ✅ The better approach: - Use Management Groups, Subscriptions, Resource Groups, and Role-Based Access Control (RBAC) within a single Azure AD directory: - Create separate subscriptions or resource groups for each division. - Use RBAC to assign each division’s admin appropriate permissions within the same Azure AD tenant. - This keeps the environment segmented but easy to manage.

    Your developers have created a portal web app for users in the Miami branch office. The web app will be publicly accessible and used by the Miami users to retrieve customer and product information. The web app is
    currently running in an on-premises test environment.
    You plan to host the web app on Azure.
    You need to determine which Azure web tier plan to host the web app. The web tier plan must meet the following requirements:
    - The website will use the miami.weyland.com URL.
    - The website will be deployed to two instances.
    - SSL support must be included.
    - The website requires 12 GB of storage.
    - Costs must be minimized.

    Which web tier plan should you use?

    A. Standard
    B. Basic
    C. Free
    D. Shared
    B. Basic ✅ Explanation: Custom domain (miami.weyland.com) Supported in Basic and Standard ❌ Not supported in Free or Shared Deployment to two instances Basic supports manual scaling to multiple instances Standard supports auto-scaling ❌ Free and Shared do not support scaling to multiple instances SSL support Basic and Standard support SSL (SNI SSL) ❌ Free and Shared have limited or no support for custom SSL 12 GB of storage Basic offers up to 50 GB shared across apps ✅ So this meets the 12 GB requirement Costs must be minimized Basic is cheaper than Standard and meets all requirements ✅ Best cost-effective option

    Your company is planning to migrate all their virtual machines to an Azure pay-as-you-go subscription. The virtual machines are currently hosted on the Hyper-V hosts in a data center.
    You are required make sure that the intended Azure solution uses the correct expenditure model.

    Solution: You should recommend the use of the elastic expenditure model.
    Does the solution meet the goal?

    A. Yes
    B. No
    A. Yes ✅ Explanation: The elastic expenditure model refers to a pay-as-you-go pricing model, where you only pay for the computing resources you use. This is exactly what Azure offers with its pay-as-you-go subscription. In this case: - The company is migrating VMs from an on-premises Hyper-V setup. - They plan to use an Azure pay-as-you-go subscription. - This model automatically scales costs with usage — a key characteristic of an elastic expenditure model.

    Your company is planning to migrate all their virtual machines to an Azure pay-as-you-go subscription. The virtual machines are currently hosted on the Hyper-V hosts in a data center.
    You are required make sure that the intended Azure solution uses the correct expenditure model.

    Solution: You should recommend the use of the scalable expenditure model.

    Does the solution meet the goal?
    A. Yes
    B. No
    B. No ✅ Explanation: There is no official expenditure model in Azure called the "scalable expenditure model". The correct and commonly used term for Azure's billing approach under a pay-as-you-go subscription is the elastic expenditure model.

    Your company is planning to migrate all their virtual machines to an Azure pay-as-you-go subscription. The virtual machines are currently hosted on the Hyper-V hosts in a data center.
    You are required make sure that the intended Azure solution uses the correct expenditure model.

    Solution: You should recommend the use of the operational expenditure model.
    Does the solution meet the goal?

    A. Yes
    B. No
    A ✅ Explanation: - Operational Expenditure (OpEx) refers to ongoing costs for running a service or product. - Capital Expenditure (CapEx) refers to one-time, upfront costs, like buying servers. - Migrating virtual machines to an Azure pay-as-you-go subscription is OpEx, because you are paying monthly based on usage, not buying hardware.
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