Microsoft Azure Fundamentals (AZ-900) Practice Question - Set 02 - OTechy

AZ-900 Practice Questions – Set 02 - Microsoft Azure Certification Prep

📝 Questions:

1. Which cloud service model is best suited for businesses that need complete control over their virtual machines?
A. Platform as a Service (PaaS)
B. Infrastructure as a Service (IaaS)
C. Container as a Service (CaaS)
D. Software as a Service (SaaS)

✅ Correct Answer: B. Infrastructure as a Service (IaaS)

Explanation (supporting the correct answer)

Why IaaS is ideal for full VM control:
Infrastructure as a Service (IaaS) provides the foundational cloud resources—virtual machines, storage, and networking—allowing businesses to configure and manage them as they wish. It delivers near-complete administrative control over the operating system, middleware, runtime, and applications, while the cloud provider maintains the underlying physical infrastructure.

This model is perfect for organizations that need to:

Install and manage custom OS configurations.
Control security patches, networking, and storage setups.
Deploy specialized enterprise applications or development environments.

Popular examples include Amazon EC2 (AWS), Azure Virtual Machines, and Google Compute Engine. IaaS combines scalability and flexibility with control—making it ideal for lift-and-shift migrations or custom software stacks.

Why the other options are incorrect

A. Platform as a Service (PaaS) — Limits control over underlying infrastructure; the provider manages OS, middleware, and runtime. Suited for developers focused on coding rather than managing VMs.
C. Container as a Service (CaaS) — Offers control over container orchestration but not over the underlying VMs or host OS; ideal for microservices, not full VM management.
D. Software as a Service (SaaS) — Users only access applications (e.g., Microsoft 365, Salesforce). No access to OS, servers, or VMs—completely managed by the provider.

2. Which cloud model provides shared resources to multiple organizations?

A. Public cloud
B. Private cloud
C. On-premises datacenter
D. Hybrid cloud

✅ Correct Answer: A. Public cloud

Explanation (supporting the correct answer)

Why Public Cloud enables shared multi-tenant environments:
A Public Cloud delivers computing services—servers, storage, databases, and applications—over the internet, using a multi-tenant model where resources are shared among multiple customers (organizations or individuals). Each customer’s data and workloads are securely isolated, but they all use the same infrastructure, owned and managed by the cloud provider (e.g., Microsoft Azure, Amazon Web Services, Google Cloud Platform).

This model offers scalability, cost-efficiency, and flexibility, making it ideal for startups and enterprises seeking on-demand access without maintaining hardware. Users benefit from pay-as-you-go pricing and rapid provisioning, while providers handle maintenance, upgrades, and physical security.

Why the other options are incorrect

B. Private cloud — Dedicated to a single organization. Offers greater control and security but lacks the resource-sharing and cost efficiency of public cloud environments.
C. On-premises datacenter — Fully owned and operated by the organization. Resources aren’t shared externally and require significant capital investment and maintenance.
D. Hybrid cloud — Combines public and private cloud elements for workload portability and flexibility. Some resources are shared (public part), but the model itself doesn’t inherently provide shared infrastructure to multiple organizations.

3. Which cloud service model provides ready-to-use applications like Microsoft 365?
A. Platform as a Service (PaaS)
B. Infrastructure as a Service (IaaS)
C. Software as a Service (SaaS)
D. Networking as a Service (NaaS)

✅ Correct Answer: C. Software as a Service (SaaS)

Explanation (supporting the correct answer)

Why SaaS delivers ready-to-use cloud applications:
Software as a Service (SaaS) provides fully functional, ready-to-use software applications that users access over the internet—typically through a web browser or mobile app. The cloud provider hosts, maintains, and manages everything: infrastructure, operating systems, middleware, and the application itself.

Examples include Microsoft 365, Google Workspace, Salesforce, and Dropbox. Users simply log in and use the application without worrying about installation, updates, or maintenance. This model is ideal for businesses that want to reduce IT management overhead, ensure automatic updates, and quickly deploy software to large teams.

SaaS is subscription-based, offering predictable costs and high scalability while freeing organizations from infrastructure and software management tasks.

Why the other options are incorrect

A. Platform as a Service (PaaS) — Provides a development platform for building and deploying applications. Developers manage code, not ready-to-use apps.
B. Infrastructure as a Service (IaaS) — Offers virtual machines, storage, and networking. Users must install and manage their own software and OS.
D. Networking as a Service (NaaS) — Focuses on delivering networking capabilities such as VPNs, bandwidth management, and SD-WAN as cloud services—not application software.

4. Which cloud service model allows developers to deploy applications without managing infrastructure?
A. Platform as a Service (PaaS)
B. Networking as a Service (NaaS)
C. Software as a Service (SaaS)
D. Infrastructure as a Service (IaaS)

✅ Correct Answer: A. Platform as a Service (PaaS)

Explanation (supporting the correct answer)

Why PaaS simplifies application deployment:
Platform as a Service (PaaS) provides developers with a complete cloud-based environment for building, testing, deploying, and managing applications—without the complexity of maintaining servers, storage, or networking. The cloud provider manages the infrastructure, operating system, and middleware, enabling developers to focus entirely on writing and running code.

Examples include Microsoft Azure App Service, Google App Engine, and AWS Elastic Beanstalk. PaaS is ideal for agile teams and organizations that want faster time-to-market, automated scaling, and built-in integrations (e.g., databases, APIs, CI/CD tools). It eliminates infrastructure management overhead while still offering flexibility to control the application and runtime environment.

Why the other options are incorrect

B. Networking as a Service (NaaS) — Provides networking functionalities such as VPNs, bandwidth management, and SD-WAN services, not application development or deployment environments.
C. Software as a Service (SaaS) — Offers fully managed, ready-to-use software like Microsoft 365 or Salesforce. Users consume applications rather than develop or deploy them.
D. Infrastructure as a Service (IaaS) — Provides virtual machines and storage but requires users to configure and manage the OS, runtime, and infrastructure—more control but also more management effort than PaaS.

5. How does high availability benefit cloud-based applications?
A. It ensures applications remain accessible with minimal downtime
B. It prevents unauthorized access to data
C. It reduces network security risks
D. It eliminates the need for backups

✅ Correct Answer: A. It ensures applications remain accessible with minimal downtime

Explanation (supporting the correct answer)

Why high availability is essential for cloud reliability:
High availability (HA) refers to the design and deployment of systems that remain operational and accessible even in the event of hardware failures, network disruptions, or maintenance activities. In cloud environments, HA is achieved through redundancy, load balancing, fault-tolerant architectures, and geographically distributed data centers.

For example, services hosted across multiple availability zones or regions in Azure or AWS can continue running even if one zone fails. This ensures minimal downtime and maintains a seamless user experience—critical for e-commerce platforms, banking applications, and enterprise systems that require 24/7 uptime.

Cloud providers typically offer built-in HA configurations, enabling organizations to meet Service Level Agreements (SLAs) for uptime and performance without manually managing complex failover setups.

Why the other options are incorrect

B. It prevents unauthorized access to data — That’s a function of security controls (encryption, IAM, firewalls), not high availability.
C. It reduces network security risks — Security risks are mitigated by network security measures, not by HA configurations.
D. It eliminates the need for backups — Even highly available systems can fail; backups are still required for disaster recovery and data protection.

6. Which feature of cloud computing helps organizations maintain compliance and security standards?
A. Limited access control
B. Governance and security
C. Hybrid infrastructure
D. High performance computing

✅ Correct Answer: B. Governance and security

Explanation (supporting the correct answer)

Why governance and security ensure compliance:
Governance and security in cloud computing provide the framework and tools organizations need to manage access, enforce policies, monitor activity, and ensure compliance with industry standards and regulations (such as GDPR, HIPAA, or ISO 27001).

Cloud platforms like Microsoft Azure Security Center, AWS Identity and Access Management (IAM), and Google Cloud Security Command Center allow businesses to define role-based access control (RBAC), automate policy enforcement, and monitor for vulnerabilities or compliance violations in real time.

These governance and security capabilities help organizations:

Protect sensitive data through encryption and access controls.
Demonstrate regulatory compliance via audit logs and reports.
Ensure consistent security policies across all cloud resources.

This feature forms the foundation for maintaining trust, data integrity, and operational accountability in a cloud environment.

Why the other options are incorrect

A. Limited access control — Reduces security rather than improving it; restrictive without governance visibility can lead to inefficiency and errors.
C. Hybrid infrastructure — Combines public and private environments for flexibility, but doesn’t directly enforce compliance or security standards.
D. High performance computing — Focuses on processing large or complex workloads efficiently, not on compliance or governance mechanisms.

7. What is the primary characteristic of cloud computing?
A. It is only used for backup and storage
B. Users must purchase physical servers
C. Resources are available on-demand over the internet
D. It requires extensive on-premises hardware

✅ Correct Answer: C. Resources are available on-demand over the internet

Explanation (supporting the correct answer)

Why on-demand availability defines cloud computing:
The on-demand availability of resources over the internet is the defining feature of cloud computing. It allows users to quickly provision computing power, storage, databases, or networking without needing to own or manage physical servers.

Cloud platforms like Microsoft Azure, AWS, and Google Cloud provide self-service portals or APIs where resources can be scaled up or down instantly. This flexibility enables organizations to pay only for what they use (the pay-as-you-go model), improving cost efficiency and agility.

On-demand access ensures that applications can handle fluctuating workloads—spinning up new instances during peak usage and scaling down during low demand—without manual intervention or hardware investment. This capability is fundamental to modern IT operations, development environments, and digital transformation initiatives.

Why the other options are incorrect

A. It is only used for backup and storage — Cloud computing supports far more than storage, including compute, databases, analytics, and AI services.
B. Users must purchase physical servers — Cloud eliminates this need; infrastructure is virtualized and maintained by the provider.
D. It requires extensive on-premises hardware — The opposite is true: cloud reduces dependency on local hardware by delivering services online.

8. Which of the following best describes serverless computing?
A. It is only available for virtual machines
B. Developers focus on writing code while the cloud provider manages infrastructure
C. Users must manually allocate server resources
D. It requires dedicated physical servers

✅ Correct Answer: B. Developers focus on writing code while the cloud provider manages infrastructure

Explanation (supporting the correct answer)

Why serverless computing streamlines development:
Serverless computing is a cloud model that allows developers to build and run applications without managing servers or infrastructure. The cloud provider automatically handles provisioning, scaling, and maintenance of the servers—letting developers focus solely on writing and deploying code.

In this model, resources are allocated dynamically based on demand. The application runs in response to events or triggers, and users are billed only for the compute time consumed during execution, not for idle server time.

Examples include AWS Lambda, Azure Functions, and Google Cloud Functions. This approach is ideal for event-driven applications, APIs, microservices, and automation tasks where scalability and efficiency are key. It simplifies operations, reduces costs, and accelerates deployment cycles.

Why the other options are incorrect

A. It is only available for virtual machines — Serverless computing doesn’t rely on VMs; the infrastructure is abstracted from the developer.
C. Users must manually allocate server resources — Resource allocation is automatic in serverless environments; developers don’t manage compute capacity.
D. It requires dedicated physical servers — Serverless platforms run on shared, managed infrastructure. Users never deal with physical server provisioning.

9. Which cloud pricing model is best for workloads with predictable usage patterns?
A. Reserved Instances
B. Spot Pricing
C. Pay-as-you-go
D. Consumption-based pricing

✅ Correct Answer: A. Reserved Instances

Explanation (supporting the correct answer)

Why Reserved Instances suit predictable workloads:
Reserved Instances (RIs) are designed for workloads with consistent, predictable usage over time. By committing to use specific compute capacity (typically for one or three years), organizations receive significant cost savings—often up to 70% compared to on-demand (pay-as-you-go) pricing.

This pricing model is ideal for long-running applications such as enterprise databases, virtual machines for production workloads, or business-critical services that operate continuously. Since usage patterns are predictable, committing to a reservation ensures optimal resource utilization and cost efficiency.

Cloud providers like AWS, Azure, and Google Cloud offer flexible payment options for RIs—all upfront, partial upfront, or no upfront—to balance cash flow and long-term savings.

Why the other options are incorrect

B. Spot Pricing — Best for short-term, interruptible workloads like batch jobs or testing; not suitable for steady, always-on workloads due to potential interruptions.
C. Pay-as-you-go — Provides flexibility with no commitment but costs more over time; ideal for short-term or unpredictable workloads, not consistent usage.
D. Consumption-based pricing — A general term describing usage-based billing; RIs are a specific structured model tailored for predictable, ongoing workloads.

10. What is the main benefit of the shared responsibility model in cloud computing?
A. It prevents all cyberattacks automatically
B. It allows customers to fully control physical security
C. It eliminates the need for security monitoring
D. It distributes security responsibilities between the cloud provider and the customer

✅ Correct Answer: D. It distributes security responsibilities between the cloud provider and the customer

Explanation (supporting the correct answer)

Why shared responsibility strengthens cloud security:
The shared responsibility model defines clear boundaries between what the cloud provider and the customer are each responsible for in terms of security and compliance. This collaboration ensures that every layer of the cloud environment is properly protected without overlap or gaps.

In this model:

The cloud provider manages the security of the cloud, including the physical infrastructure, networking, and hypervisor layers.
The customer manages the security in the cloud, such as data protection, user access, application configurations, and compliance controls.

For example, in IaaS, the provider secures hardware and virtualization, while the customer secures the OS and applications. In SaaS, the provider handles nearly everything, and the customer manages only user access and data governance.

This division of duties enhances overall security posture, reduces misconfigurations, and ensures both parties focus on their areas of expertise.

Why the other options are incorrect

A. It prevents all cyberattacks automatically — No model can guarantee complete protection; shared responsibility defines roles, not absolute defense.
B. It allows customers to fully control physical security — Physical infrastructure is controlled by the cloud provider, not the customer.
C. It eliminates the need for security monitoring — Continuous monitoring remains essential for both the provider and customer to maintain compliance and detect threats.

11. Which Azure service provides insights into outages and planned maintenance?

Answer Options

A. Azure Security Center
B. Azure Advisor
C. Azure Service Health
D. Azure Monitor

✅ Correct Answer: C. Azure Service Health

Why This Is Correct

Azure Service Health provides personalized alerts and dashboards showing current service issues, planned maintenance, and outage impacts on your Azure resources. It helps organizations stay informed, take proactive actions, and ensure business continuity.

Why the Other Options Are Incorrect

A. Azure Security Center

Focuses on security posture management and threat protection.
Does not provide outage or maintenance notifications.

B. Azure Advisor

Offers cost, performance, reliability, and security recommendations.
Does not provide service health or incident alerts.

D. Azure Monitor

Collects and analyzes metrics and logs from resources.
Useful for performance monitoring, but not for Azure-wide outage or maintenance information.

12. What is the purpose of Azure ExpressRoute?

Answer Options

A. To improve Azure storage performance
B. To encrypt virtual machine data
C. To create a private, high-speed connection between on-premises networks and Azure
D. To monitor application health in real time

✅ Correct Answer: C. To create a private, high-speed connection between on-premises networks and Azure

Why This Is Correct

Azure ExpressRoute establishes private, dedicated network connections (via an ExpressRoute partner or co-location) between your on-premises infrastructure and Azure datacenters.
It offers higher bandwidth, lower latency, and more reliable connectivity than the public Internet, making it ideal for hybrid cloud scenarios and sensitive workloads.

Why the Other Options Are Incorrect

A. To improve Azure storage performance

ExpressRoute can help overall latency and throughput for services accessed over the private link, but its purpose is connectivity — not a storage performance feature or service that directly optimizes storage I/O.

B. To encrypt virtual machine data

Encryption of VM disks and data is handled by services like Azure Disk Encryption, Azure Key Vault, or TLS for in-transit data. ExpressRoute provides a private path but does not itself encrypt VM data by default.

D. To monitor application health in real time

Monitoring and real-time health checks are the domain of Azure Monitor and Application Insights. ExpressRoute is a networking service and does not provide application monitoring capabilities.

13. What is the primary use of Azure Blueprints?

Answer Options

A. To scale virtual machines automatically
B. To monitor network traffic
C. To provide backup and disaster recovery
D. To automate the deployment of compliant environments

✅ Correct Answer: D. To automate the deployment of compliant environments

Why This Is Correct

Azure Blueprints allow organizations to define and deploy repeatable, compliant environments that include policies, role assignments, ARM templates, and resource groups. This ensures consistent governance and configuration across subscriptions.

Why the Other Options Are Incorrect

A. To scale virtual machines automatically

VM scaling is handled by Azure Virtual Machine Scale Sets and Autoscale, not Azure Blueprints.

B. To monitor network traffic

Network monitoring is done through Azure Network Watcher, not Blueprints.

C. To provide backup and disaster recovery

Azure Backup and Azure Site Recovery deliver DR and backup capabilities. Blueprints do not manage backup operations.

14: Which Azure service provides managed DNS hosting for domain name resolution?

Answer Options

A. Azure Bastion
B. Azure DNS
C. Azure Load Balancer
D. Azure Firewall

✅ Correct Answer: B. Azure DNS

Why This Is Correct

Azure DNS is Microsoft’s fully managed, highly available, and scalable DNS hosting service. It allows you to host your domains on Azure and manage DNS records using the same credentials, APIs, and tools you use for other Azure services.

Why the Other Options Are Incorrect

A. Azure Bastion

Provides secure RDP/SSH access to VMs through the Azure portal.
Not related to domain name hosting or DNS resolution.

C. Azure Load Balancer

Distributes network traffic across backend resources.
Does not provide DNS hosting capabilities.

D. Azure Firewall

A security service that controls inbound/outbound traffic.
Has no function for managing DNS records or hosting domains.

15. Which of the following is a key characteristic of a hybrid cloud?

Answer Options

A. It combines on-premises infrastructure with cloud resources
B. It does not allow data to be transferred between environments
C. It only supports a single organization
D. It is managed solely by Microsoft

✅ Correct Answer: A. It combines on-premises infrastructure with cloud resources

Why This Is Correct

A hybrid cloud merges on-premises infrastructure with public or private cloud services, enabling flexible workload movement, data sharing, and unified management across environments. This model offers greater control, scalability, and integration.

Why the Other Options Are Incorrect

B. It does not allow data to be transferred between environments

Hybrid cloud requires data and workload mobility between on-premises and cloud systems, not isolation.

C. It only supports a single organization

That describes a private cloud, not hybrid cloud.

D. It is managed solely by Microsoft

Hybrid cloud environments are managed by both the organization and the cloud provider, depending on the components used.

16. Which of the following services allows users to define access policies for Azure resources?

Answer Options

A. Azure Role-Based Access Control (RBAC)
B. Azure Kubernetes Service
C. Azure DevOps
D. Azure Virtual Machines

✅ Correct Answer: A. Azure Role-Based Access Control (RBAC)

Why This Is Correct

Azure RBAC enables administrators to assign permissions to users, groups, and applications at various scopes (resource, resource group, or subscription). It ensures secure, granular control over who can access or manage Azure resources.

Why the Other Options Are Incorrect

B. Azure Kubernetes Service

A managed Kubernetes platform for container orchestration, not an access policy tool.

C. Azure DevOps

Provides CI/CD pipelines and project management; it does not define access to Azure resources.

D. Azure Virtual Machines

A compute service used to run workloads. It does not control access policies.

17. Which Azure service allows businesses to extend Azure management and security to on-premises servers?

Answer Options

A. Azure Arc
B. Azure Virtual Desktop
C. Azure Monitor
D. Azure Security Center

✅ Correct Answer: A. Azure Arc

Why This Is Correct

Azure Arc extends Azure’s management, governance, and security capabilities to on-premises servers, multi-cloud environments, and edge devices. It enables unified policy enforcement, monitoring, and resource governance across hybrid environments.

Why the Other Options Are Incorrect

B. Azure Virtual Desktop

A desktop virtualization service, not a hybrid management tool.

C. Azure Monitor

Provides monitoring for metrics and logs but does not extend Azure governance or management to on-premises servers.

D. Azure Security Center

Enhances security posture but does not onboard or centrally manage on-premises servers the way Azure Arc does.

18. What is the purpose of Azure Bastion?

Answer Options

A. To increase virtual machine storage capacity
B. To manage Azure billing and subscriptions
C. To provide secure remote access to virtual machines without exposing RDP or SSH ports
D. To deploy web applications in Azure App Service

✅ Correct Answer: C. To provide secure remote access to virtual machines without exposing RDP or SSH ports

Why This Is Correct

Azure Bastion enables secure RDP/SSH access to virtual machines directly through the Azure portal, eliminating the need to expose public IPs or open inbound ports. This enhances security and simplifies remote administration.

Why the Other Options Are Incorrect

A. To increase virtual machine storage capacity

VM storage is managed through Azure Disks, not Bastion.

B. To manage Azure billing and subscriptions

Billing and subscription management are handled in the Azure portal under Cost Management and Billing—not by Bastion.

D. To deploy web applications in Azure App Service

App Service is the platform for web app deployment; Bastion has no role in application hosting.

19. Which Azure service helps detect and respond to security threats in real time?

Answer Options

A. Azure Storage Explorer
B. Microsoft Defender for Cloud
C. Azure Logic Apps
D. Azure App Service

✅ Correct Answer: B. Microsoft Defender for Cloud

Why This Is Correct

Microsoft Defender for Cloud provides real-time threat detection, security assessments, and alerts for Azure, on-premises, and multi-cloud environments. It helps organizations detect vulnerabilities, respond quickly to threats, and improve overall security posture.

Why the Other Options Are Incorrect

A. Azure Storage Explorer

A tool for managing storage accounts; it offers no security threat detection capabilities.

C. Azure Logic Apps

Used for workflow automation and integrations, not threat monitoring or response.

D. Azure App Service

A platform for hosting web and API applications. It does not detect or respond to security threats.

20. What is the primary purpose of Azure Region Pairs?

Answer Options

A. To provide free cloud services to enterprise customers
B. To increase storage capacity for virtual machines
C. To reduce the cost of cloud services
D. To provide disaster recovery by replicating data between geographically separated regions

✅ Correct Answer: D. To provide disaster recovery by replicating data between geographically separated regions

Why This Is Correct

Azure Region Pairs consist of two geographically distant regions that replicate services and data to support disaster recovery. This setup ensures high availability, fault tolerance, and business continuity during large-scale outages or natural disasters.

Why the Other Options Are Incorrect

A. To provide free cloud services to enterprise customers

Region Pairs do not determine pricing or free services.

B. To increase storage capacity for virtual machines

VM storage capacity is unrelated to region pairing.

C. To reduce the cost of cloud services

Costs are based on service usage and tiers, not region pairing.

21. What is the function of Azure Load Balancer?

Answer Options

A. To create and manage cloud-based databases
B. To distribute incoming traffic across multiple virtual machines
C. To provide high-speed storage for applications
D. To enforce Azure security policies

✅ Correct Answer: B. To distribute incoming traffic across multiple virtual machines

Why This Is Correct

Azure Load Balancer evenly distributes incoming network traffic across multiple virtual machines or services. This improves availability, prevents overload on individual resources, and ensures better application performance and reliability.

Why the Other Options Are Incorrect

A. To create and manage cloud-based databases

Databases are managed using services like Azure SQL Database or Cosmos DB—not Load Balancer.

C. To provide high-speed storage for applications

Azure Disks and Azure Storage services handle storage, not the Load Balancer.

D. To enforce Azure security policies

Azure Policy and Microsoft Defender for Cloud handle governance and security policies, not traffic distribution.

22. Which of the following is an example of a serverless compute service in Azure?

Answer Options

A. Azure Virtual Machines
B. Azure Functions
C. Azure Firewall
D. Azure Kubernetes Service

✅ Correct Answer: B. Azure Functions

Why This Is Correct

Azure Functions is a serverless compute service that runs event-driven code without requiring you to manage servers. It automatically scales based on demand and charges only for execution time, making it ideal for lightweight, on-demand workloads.

Why the Other Options Are Incorrect

A. Azure Virtual Machines

Requires full server management, including OS updates and scaling—NOT serverless.

C. Azure Firewall

A network security service; it does not execute code or provide compute capabilities.

D. Azure Kubernetes Service

A container orchestration platform that still requires cluster and node management.

23. What is the main advantage of cloud elasticity?

Answer Options

A. It automatically adjusts resources based on demand
B. It provides unlimited free storage
C. It guarantees 100% uptime
D. It eliminates the need for virtual machines

✅ Correct Answer: A. It automatically adjusts resources based on demand

Why This Is Correct

Cloud elasticity enables systems to automatically scale resources up or down in response to real-time demand. This ensures optimal performance during peak usage while reducing costs during low activity.

Why the Other Options Are Incorrect

B. It provides unlimited free storage

Elasticity manages resource scaling, not free storage. Storage costs still apply.

C. It guarantees 100% uptime

No cloud provider guarantees 100% uptime; reliability depends on SLAs, not elasticity.

D. It eliminates the need for virtual machines

Elasticity can scale VMs or other resources, but it does not remove the need for them.

24. What is the purpose of Azure Sentinel?

Answer Options

A. To provide security analytics and threat detection
B. To automate network configurations
C. To create and manage Azure resource groups
D. To monitor application performance

✅ Correct Answer: A. To provide security analytics and threat detection

Why This Is Correct

Azure Sentinel is a cloud-native SIEM and SOAR solution that uses AI to analyze security data, detect threats, investigate incidents, and automate responses across hybrid and multi-cloud environments.

Why the Other Options Are Incorrect

B. To automate network configurations

Network automation is handled through tools like Azure Automation or ARM templates, not Sentinel.

C. To create and manage Azure resource groups

Resource groups are managed via the Azure portal, CLI, or ARM—unrelated to Sentinel’s security role.

D. To monitor application performance

Application performance monitoring is done through Azure Monitor and Application Insights, not Azure Sentinel.

25. What is a key benefit of using Azure DevOps?

Answer Options

A. It enables continuous integration and continuous deployment (CI/CD)
B. It enhances database security
C. It automatically migrates data from on-premises to the cloud
D. It provides unlimited cloud storage for free

✅ Correct Answer: A. It enables continuous integration and continuous deployment (CI/CD)

Why This Is Correct

Azure DevOps offers pipelines that automate building, testing, and deploying applications, enabling fast, reliable CI/CD. This helps teams deliver updates more frequently and maintain consistent deployment processes.

Why the Other Options Are Incorrect

B. It enhances database security

Database security is managed through Azure SQL security features and Microsoft Defender—not Azure DevOps.

C. It automatically migrates data from on-premises to the cloud

Data migration is handled by tools like Azure Migrate and Database Migration Service.

D. It provides unlimited cloud storage for free

Azure DevOps includes limited storage; it does not offer unlimited free cloud storage.

26. Which Azure compute option is best for running containerized applications without managing servers?

Answer Options

A. Azure Virtual Desktop
B. Azure Virtual Machines
C. Azure Container Instances
D. Azure Blob Storage

✅ Correct Answer: C. Azure Container Instances

Why This Is Correct

Azure Container Instances (ACI) let you run containers instantly without managing virtual machines, orchestrators, or infrastructure. It’s a fully serverless container platform ideal for quick deployments and lightweight, isolated workloads.

Why the Other Options Are Incorrect

A. Azure Virtual Desktop

A remote desktop virtualization service, not a container hosting platform.

B. Azure Virtual Machines

Requires full server management, updates, and scaling—NOT serverless.

D. Azure Blob Storage

Object storage for files and data; it cannot run containerized applications.

27. What is the main purpose of Azure Virtual WAN?

Answer Options

A. To optimize and secure global network traffic between Azure regions and on-premises locations
B. To manage virtual machine updates
C. To deploy containerized applications
D. To store unstructured data

✅ Correct Answer: A. To optimize and secure global network traffic between Azure regions and on-premises locations

Why This Is Correct

Azure Virtual WAN provides a unified, global networking service that connects branches, remote users, on-premises datacenters, and Azure regions. It optimizes routing, enhances security, and simplifies large-scale WAN deployments.

Why the Other Options Are Incorrect

B. To manage virtual machine updates

VM updates are handled through Azure Update Manager or Automation Update Management, not Virtual WAN.

C. To deploy containerized applications

Container deployment is done using Azure Kubernetes Service or Azure Container Instances.

D. To store unstructured data

Azure Blob Storage provides scalable storage for unstructured data, not Virtual WAN.

28. Which Azure service is designed to improve the security and compliance of sensitive data?

Answer Options

A. Azure VPN Gateway
B. Azure Storage Explorer
C. Microsoft Purview
D. Azure Service Bus

✅ Correct Answer: C. Microsoft Purview

Why This Is Correct

Microsoft Purview provides data governance, classification, and compliance capabilities across on-premises, multicloud, and SaaS environments. It helps organizations discover sensitive data, apply protection policies, and meet regulatory requirements.

Why the Other Options Are Incorrect

A. Azure VPN Gateway

Provides secure site-to-site and point-to-site connectivity, not data compliance or governance.

B. Azure Storage Explorer

A client tool for managing storage accounts; it has no governance or compliance features.

D. Azure Service Bus

A messaging service for distributed applications, not a data security or compliance solution.

29. What is the primary role of Entra ID (formerly Azure Active Directory)?

Answer Options

A. To automate application deployment
B. To encrypt network traffic
C. To provide cloud-based storage for applications
D. To manage user authentication and identity in Azure

✅ Correct Answer: D. To manage user authentication and identity in Azure

Why This Is Correct

Microsoft Entra ID handles identity and access management for users, applications, and devices. It enables secure sign-in, multifactor authentication, SSO, and centralized access control across Azure and Microsoft 365 environments.

Why the Other Options Are Incorrect

A. To automate application deployment

Application deployment automation is done through Azure DevOps or GitHub Actions, not Entra ID.

B. To encrypt network traffic

Network encryption is handled through TLS, VPNs, and Azure-specific networking services—not Entra ID.

C. To provide cloud-based storage for applications

Storage services like Azure Blob Storage and Files provide data storage, not Entra ID.

30. Which cloud computing model is best suited for software developers needing a ready-to-use development platform?

Answer Options

A. Software as a Service (SaaS)
B. Platform as a Service (PaaS)
C. Infrastructure as a Service (IaaS)
D. Security as a Service (SECaaS)

✅ Correct Answer: B. Platform as a Service (PaaS)

Why This Is Correct

Platform as a Service (PaaS) provides developers with a fully managed environment—including runtime, frameworks, databases, and tools—so they can build, test, and deploy applications without managing servers or infrastructure.

Why the Other Options Are Incorrect

A. Software as a Service (SaaS)

SaaS provides ready-to-use applications, not a development environment.

C. Infrastructure as a Service (IaaS)

IaaS requires developers to manage virtual machines, OS, and networking—more overhead than needed for rapid development.

D. Security as a Service (SECaaS)

Focuses on security capabilities, not application development platforms.

30. 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 storage redundancy options should you recommend?

A. Geo-redundant storage
B. Read-only geo-redundant storage
C. Zone-redundant storage

✅Correct Answer: B. Read-only geo-redundant storage

Explanation:
GRS replicates data to a secondary region but does not allow reading from it. RA-GRS (Read-only geo-redundant storage) meets all requirements by providing multi-node, multi-region replication with read access to the secondary endpoint, supporting geo-clustered site resiliency.

31. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

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

✅Correct Answer: A. Yes

Explanation:
Architectural guidance and design reviews are not available under Basic or Standard support. Professional Direct provides ProDirect Delivery Management, architectural consultation, and advisory services—meeting the requirement. It is also the lowest-cost plan that includes this capability.

32. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

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 Software as a Service (SaaS).
Does the solution meet the goal?

A. Yes
B. No

✅Correct Answer: B. No

Explanation:
Deploying Azure virtual machines requires an Infrastructure as a Service (IaaS) model, which provides control over OS, networking, and compute resources. SaaS delivers fully managed applications and does not allow deploying or managing VMs, so it does not meet the goal.

33. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

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

✅Correct Answer: B. No

Explanation:
Deploying Azure virtual machines falls under Infrastructure as a Service (IaaS), where you manage OS, VM configuration, and networking. PaaS abstracts the underlying infrastructure and does not support deploying or managing VMs directly, so it does not satisfy the requirement.

34. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

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

✅Correct Answer: A. Yes

Explanation:
Deploying Azure virtual machines requires Infrastructure as a Service (IaaS) because it provides control over OS, VM configuration, and networking. IaaS is the correct and intended model for provisioning VMs, so the solution meets the requirement.

35. 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

✅Correct Answer: A. Standard

Explanation:
Custom domains, dedicated compute, load balancing, and sufficient storage require at least the Standard App Service Plan. Basic supports dedicated compute but does not include load balancing. Free and Shared lack custom domains and dedicated instances. Standard is the lowest-cost tier meeting all requirements.

36. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies 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

✅Correct Answer: B. No

Explanation:
Using multiple Azure AD directories increases administrative overhead and requires separate identities. Segmentation with minimal effort is best achieved using Management Groups, Subscriptions, and RBAC, all within a single Azure AD directory. Multiple directories do not meet the goal.

37. 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

✅ Correct Answer: A. Standard

Explanation:
Custom domains, SSL, multi-instance deployment, and required storage exceed the capabilities of Free, Shared, and Basic. Only the Standard App Service Plan supports SSL with SNI, autoscale, and load-balanced multi-instance deployments while meeting the storage requirement.

38. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

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 Hyper-V hosts in a data center. You are required to 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

✅ Correct Answer: A. Yes

Explanation:
A pay-as-you-go Azure subscription aligns with the elastic (operational) expenditure model, where costs scale based on actual usage without upfront capital investment. This matches the requirement for migrating VMs to a consumption-based cost model.

39. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

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

A. Yes
B. No

✅ Correct Answer: B. No

Explanation:
A pay-as-you-go Azure subscription follows the elastic (operational) expenditure model, where costs are based on consumption. “Scalable expenditure model” is not a defined Azure cost model, and therefore does not meet the requirement.

40. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

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 to 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

✅ Correct Answer: A. Yes

Explanation:
A pay-as-you-go Azure subscription aligns with the operational (OpEx) expenditure model, where costs are consumption-based and do not require upfront capital. Migrating VMs to Azure directly fits the OpEx approach.

41. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

Your company's Active Directory forest includes thousands of user accounts. You have been informed that all network resources will be migrated to Azure. Thereafter, the on-premises data center will be retired. You are required to employ a strategy that reduces the effect on users once the migration is completed.

Solution: You plan to sync all the Active Directory user accounts to Entra ID.
Does the solution meet the goal?

A. Yes
B. No

✅ Correct Answer: A. Yes

Explanation:
Synchronizing all on-premises AD user accounts to Entra ID (formerly Azure AD) ensures users keep their identities and credentials after migration. This minimizes disruption and supports seamless access to Azure resources post-migration.

42. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

You are required to deploy an Artificial Intelligence (AI) solution in Azure. You want to make sure that you are able to build, test, and deploy predictive analytics for the solution.

Solution: You should make use of Azure Machine Learning Studio.
Does the solution meet the goal?

A. Yes
B. No

✅ Correct Answer: A. Yes

Explanation:
Azure Machine Learning Studio provides tools to build, train, test, and deploy predictive analytics models using automated ML or custom workflows. It is specifically designed for end-to-end AI and machine-learning operations, meeting the requirement fully.

43. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

Your company's infrastructure includes a number of business units that each need a large number of various Azure resources for everyday operation. The resources required by each business unit are identical. You are required to sanction a strategy to create Azure resources automatically.

Solution: You recommend that the Azure API Management service be included in the strategy.
Does the solution meet the goal?

A. Yes
B. No

✅ Correct Answer: B. No

Explanation:
Azure API Management is used for managing, securing, and publishing APIs—not for automating deployment of Azure resources. Automated, repeatable resource provisioning requires Azure Resource Manager (ARM) templates, Bicep, or Terraform, not API Management.

44. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

Your company's infrastructure includes several business units that each need a large number of identical Azure resources for daily operations. You must approve a strategy to create Azure resources automatically.

Solution: You recommend that management groups be included in the strategy.
Does the solution meet the goal?

A. Yes
B. No

✅ Correct Answer: B. No

Explanation:
Management groups help organize subscriptions and apply policies or RBAC at scale but do not create Azure resources automatically. Automated provisioning requires ARM templates, Bicep, or Terraform, not management groups.

45. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

Solution: You recommend that the Azure Resource Manager templates be included in the strategy.
Does the solution meet the goal?

A. Yes
B. No

✅ Correct Answer: A. Yes

Explanation:
Azure Resource Manager (ARM) templates allow automated, consistent, and repeatable deployment of identical resource sets across multiple business units. They are the correct tool for infrastructure-as-code provisioning in Azure.

46. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

You are tasked with deploying a critical LOB application, which will be installed on a virtual machine, to Azure. You are informed that the application deployment strategy should allow for a guaranteed availability of 99.99%. You need to make sure that the strategy requires as few virtual machines and availability zones as possible.

Solution: You include two virtual machines and one availability zone in your strategy.
Does the solution meet the goal?

A. Yes
B. No

✅ Correct Answer: B. No

Explanation:
Having only two virtual machines and one availability zone cannot guarantee 99.99% availability, as it only offers 99.95% SLA. To achieve a guaranteed 99.99% SLA for VMs requires two VMs deployed across two different availability zones. Using only one zone does not meet the required SLA.

47. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

You are tasked with deploying a critical LOB application on a virtual machine in Azure. The deployment must provide 99.99% availability, while using as few virtual machines and availability zones as possible.

Solution: You include one virtual machine and two availability zones in your strategy.
Does the solution meet the goal?

A. Yes
B. No

✅ Correct Answer: B. No

Explanation:
A single VM cannot span multiple availability zones. Achieving a 99.99% SLA requires two VMs deployed across two availability zones. One VM in two zones is not possible and does not meet the SLA requirement.

48. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

Solution: You include two virtual machines and two availability zones in your strategy.
Does the solution meet the goal?

A. Yes
B. No

✅ Correct Answer: A. Yes

Explanation:
Azure requires two virtual machines deployed across two availability zones to meet the 99.99% VM SLA. This configuration provides zone-level redundancy with the minimum number of VMs needed to achieve the required availability.

49. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

Your company's developers intend to deploy a large number of custom virtual machines on a weekly basis. They will also be removing these virtual machines during the same week it was deployed. Sixty percent of the virtual machines have Windows Server 2016 installed, while the other forty percent has Ubuntu Linux installed. You are required to make sure that the administrative effort, needed for this process, is reduced by employing a suitable Azure service.
Solution: You recommend the use of Microsoft Managed Desktop.
Does the solution meet the goal?

A. Yes
B. No

✅ Correct Answer: B. No

Explanation:
Microsoft Managed Desktop manages Windows client devices (Windows 10/11), not custom server VMs or Linux hosts. For ephemeral, mixed-OS VM lifecycles and reduced admin effort, use services like Azure DevTest Labs, ARM templates/Bicep, VM Scale Sets, or Azure Automation instead.

50. Note: The question is included in a number of questions that depicts the identical set-up. However, every question has a distinctive result. Establish if the solution satisfies the requirements.

Your company's developers intend to deploy a large number of custom virtual machines on a weekly basis. They will also be removing these virtual machines during the same week it was deployed. Sixty percent of the virtual machines have Windows Server 2016 installed, while the other forty percent has Ubuntu Linux installed. You are required to make sure that the administrative effort needed for this process is reduced by employing a suitable Azure service.

Solution: You recommend the use of Azure Reserved Virtual Machines (VM) Instances.
Does the solution meet the goal?

A. Yes
B. No

✅ Correct Answer: B. No

Explanation:
Reserved VM Instances are designed for long-term (1–3 year) cost savings, not for short-lived VMs created and deleted weekly. They offer no automation benefits. For reducing admin effort with frequent VM turnover, Azure DevTest Labs or ARM/Bicep templates are appropriate.