AZ-900 Practice Test 10 — 10 Questions

Question 1

A global consulting firm has offices in New York, London, and Tokyo. They deployed a document management system on Azure App Service. Consultants need to access the system from any location worldwide using laptops or smartphones over public Wi-Fi or cellular networks, without needing a VPN connection. After deployment, all consultants can successfully log in and use the application from any internet-connected device. Which characteristic of cloud computing does this scenario best illustrate?

Choose an answer to begin — your selection is scored in the full session.

Accepted Answer

Broad network access. This scenario best illustrates broad network access because the document management system is accessible over the internet from any location using laptops or smartphones without requiring a VPN. Broad network access means resources can be accessed via standard network protocols (e.g., HTTPS) from a wide range of devices, including mobile phones and laptops, over public networks like Wi-Fi or cellular. The consultants' ability to log in and use the application from any internet-connected device directly demonstrates this characteristic.

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High availability

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Resource pooling

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Rapid elasticity

Question 2

A company has a regulatory requirement that all Azure resources must be deployed only in the West Europe region. The governance team needs to automatically prevent any user or application from creating resources in any other region. The team must also ensure that this restriction is applied to all existing and future subscriptions within the tenant. Which Azure service should the governance team use?

Accepted Answer

Azure Policy. Azure Policy is correct because it enforces organizational standards by evaluating resources for compliance with defined rules, such as restricting allowed regions. By creating a policy definition that denies resource creation outside West Europe and assigning it at the management group scope, the restriction applies to all existing and future subscriptions within the tenant automatically.

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Azure Blueprints

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Management Groups

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Azure Role-Based Access Control (RBAC)

Question 3

A company's CFO is evaluating the financial impact of moving the company's on-premises data center to Azure. The on-premises data center requires significant upfront investment for servers, storage, and networking equipment, which is depreciated over several years. In contrast, Azure offers a pay-as-you-go pricing model where the company pays only for the resources it consumes, with no upfront costs. The CFO wants to understand how this shift changes the company's financial reporting. Which statement accurately describes the financial difference between on-premises and cloud spending?

Accepted Answer

On-premises is a capital expenditure (CapEx), while Azure is an operational expenditure (OpEx).. On-premises data centers require significant upfront capital investment for hardware, which is capitalized as a capital expenditure (CapEx) and depreciated over time. Azure's pay-as-you-go model shifts costs to operational expenditure (OpEx), where you pay only for consumed resources with no upfront costs, directly impacting financial reporting by converting fixed costs to variable costs.

Answer

On-premises is an operational expenditure (OpEx), while Azure is a capital expenditure (CapEx).

Answer

Both on-premises and Azure are classified as capital expenditures (CapEx).

Answer

Both on-premises and Azure are classified as operational expenditures (OpEx).

Question 4

A company is designing a highly available application deployment in Azure. The solution must ensure that virtual machines are placed in physically separate data centers within the same Azure region to protect against a single data center failure. Which Azure feature should the company use?

Accepted Answer

Availability Zone. Availability Zones are physically separate data centers within an Azure region, each with independent power, cooling, and networking. By deploying VMs across multiple zones, the application remains available even if a single data center fails, meeting the requirement for physical separation within the same region.

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Availability Set

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Virtual Machine Scale Set

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Azure Resource Manager

Question 5

A company has an Azure subscription with hundreds of existing virtual machines. The governance team wants to enforce a policy that every virtual machine must have a tag named 'CostCenter' with a valid value. The team wants to automatically add the 'CostCenter' tag with a default value of 'Undefined' to any existing or new virtual machine that is missing the tag. They do not want to block the creation of virtual machines that are missing the tag, but they do want the tag to be added automatically within a few minutes of detection. Which Azure Policy effect should the team use?

Accepted Answer

Modify. The Modify effect is correct because it can automatically add or change tags on existing and new resources without blocking creation. Unlike Append, which only works during resource creation and cannot modify existing resources, Modify uses a 'remediation' task to fix non-compliant resources after they are created, aligning with the requirement to add the tag within minutes of detection.

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Audit

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Deny

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Append

Question 6

A company deploys a mission-critical application across three Azure availability zones. The application is designed to continue operating without any interruption if an entire availability zone becomes unavailable. Which cloud computing characteristic does this scenario best illustrate?

Accepted Answer

Fault tolerance. B is correct because fault tolerance is the ability of a system to continue operating without any interruption when a component fails. Deploying a mission-critical application across three Azure availability zones ensures that if an entire zone goes down, the application remains operational with zero downtime, which is the defining characteristic of fault tolerance.

Answer

Elasticity

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High availability

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Scalability

Question 7

A company runs several Azure virtual machines and an Azure SQL Database in a single subscription. The operations team needs a single, personalized dashboard that displays the current health status of these specific resources, as well as any upcoming planned maintenance events from Microsoft that might affect them. The team wants to see all this information in one place without having to navigate multiple tools. Which Azure service should the operations team use to meet these requirements?

Accepted Answer

Azure Service Health. Azure Service Health provides a personalized dashboard that shows the health of your specific Azure services and resources, including Azure virtual machines and SQL Database, in a single subscription. It also surfaces upcoming planned maintenance events from Microsoft that could affect those resources, meeting the requirement for a unified view without navigating multiple tools.

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Azure Resource Health

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Azure Monitor

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Azure Advisor

Question 8

A company deploys a multi-tier application using Azure virtual machines. The web tier VMs must be evenly distributed across two distinct data centers within an Azure region to avoid a single point of failure from an infrastructure outage. Which Azure construct should they use to meet this requirement?

Accepted Answer

Availability zone. Availability zones are physically separate data centers within an Azure region, each with independent power, cooling, and networking. By deploying the web tier VMs across two distinct zones, the application avoids a single point of failure from an infrastructure outage at the data center level, meeting the requirement for high availability across distinct data centers.

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Availability set

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Proximity placement group

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Azure Load Balancer

Question 9

A company uses multiple Azure subscriptions for development and production. The finance team wants to set a monthly budget of $1,000 for a specific dev subscription. When the actual cost reaches 80% of the budget, the team wants to receive an email alert. If the cost exceeds 100%, they want to automatically stop a specific virtual machine in that subscription to prevent overspending. Which Azure feature should the team use to automate the stopping of the VM when the budget is exceeded?

Accepted Answer

Azure Cost Management + Budgets with an action group configured to run a Runbook. Azure Cost Management + Budgets allows you to set a budget and configure alerts based on actual or forecasted cost thresholds. When the cost exceeds 100% of the budget, you can trigger an action group that runs an Azure Automation Runbook, which can be scripted to stop a specific virtual machine. This provides automated cost control without manual intervention.

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Azure Policy with a Deny effect

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Azure Advisor cost recommendations

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Azure Resource Graph queries with Azure Monitor alerts

Question 10

A company wants to use cloud services to quickly spin up a test environment for a new application, use it for a week, and then delete it. They want to minimize costs by only paying for the compute resources during that week. This scenario best describes which cloud characteristic?

Accepted Answer

Self-service. Self-service in cloud computing allows users to provision and de-provision resources (like compute instances) on demand without manual intervention from the cloud provider. In this scenario, the company can spin up a test environment, use it for a week, and delete it, paying only for the compute resources consumed during that period, which aligns with the self-service characteristic where users manage their own resources via a web portal or API.

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Rapid elasticity

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Measured service

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Resource pooling