View Full Microsoft AZ-900 Exam Dumps and Practice Test Dumps.

 

Question 221

Which Azure service provides a platform for developing, deploying, and managing machine learning models?

1. Azure Machine Learning
2. Azure DNS
3. Azure Files
4. Azure Load Balancer

Correct Answer: 1

Explanation

Azure Machine Learning is a cloud service designed to help organizations build, train, deploy, and manage machine learning models. It provides tools and capabilities that support the machine learning lifecycle, allowing data scientists and developers to work with models at different stages. Organizations can use it for experimentation, training, deployment, and monitoring of machine learning solutions. Azure DNS provides name resolution, Azure Files provides shared storage, and Load Balancer distributes network traffic. Azure Machine Learning is therefore the appropriate service for managing machine learning workloads.

Question 222

Which Azure service provides prebuilt artificial intelligence capabilities such as vision, speech, and language processing?

1. Azure Virtual Machines
2. Azure AI Services
3. Azure Managed Disks
4. Azure Queue Storage

Correct Answer: 2

Explanation

Azure AI Services provides prebuilt artificial intelligence capabilities that developers can integrate into applications without building complex AI models entirely from scratch. Depending on the service, capabilities can include computer vision, speech recognition, language processing, and other AI functionality. This can help organizations add intelligent features to applications more quickly. Virtual Machines provide compute infrastructure, Managed Disks provide storage, and Queue Storage supports messaging. Azure AI Services is therefore appropriate when developers need ready-to-use AI capabilities for applications.

Question 223

Which Azure service is designed to connect and manage Internet of Things devices at scale?

1. Azure IoT Hub
2. Azure Advisor
3. Azure Bastion
4. Azure Policy

Correct Answer: 1

Explanation

Azure IoT Hub is a managed service that enables organizations to connect, monitor, and manage Internet of Things devices. It supports bidirectional communication between applications and devices and can handle communication with large numbers of connected devices. IoT Hub can be used for scenarios such as telemetry collection, device management, and cloud-to-device communication. Advisor provides recommendations, Bastion provides secure virtual machine access, and Policy provides governance. IoT Hub is therefore the appropriate Azure service for managing communication with IoT devices at scale.

Question 224

Which Azure service provides a managed environment for creating IoT solutions with less development effort?

1. Azure Data Box
2. Azure IoT Central
3. Azure Traffic Manager
4. Azure Monitor

Correct Answer: 2

Explanation

Azure IoT Central is an application platform that helps organizations build and manage IoT solutions with reduced development and infrastructure effort. It provides capabilities for connecting devices, monitoring telemetry, creating dashboards, and managing IoT applications. IoT Central is designed to simplify common IoT scenarios compared with building every component from scratch. Data Box supports physical data transfer, Traffic Manager provides DNS-based traffic routing, and Monitor provides telemetry and monitoring. IoT Central is therefore useful when organizations want to implement IoT solutions quickly using a managed platform.

Question 225

Which Azure service provides a managed environment for running containerized applications without requiring customers to manage Kubernetes?

1. Azure Kubernetes Service
2. Azure Container Instances
3. Azure Virtual Machines
4. Azure Managed Disks

Correct Answer: 2

Explanation

Azure Container Instances allows organizations to run containers in Azure without managing virtual machines or a full container orchestration platform. It is useful for simple container workloads, short-lived tasks, batch processing, and scenarios where rapid deployment is important. Azure Kubernetes Service provides managed Kubernetes orchestration and is more appropriate when applications require Kubernetes capabilities. Virtual Machines provide infrastructure-level compute, while Managed Disks provide persistent storage. Azure Container Instances is therefore suitable when customers want to run containers without managing Kubernetes infrastructure.

Question 226

Which Azure service provides managed Kubernetes orchestration for applications consisting of multiple containers?

1. Azure Files
2. Azure Kubernetes Service
3. Azure Key Vault
4. Azure Event Grid

Correct Answer: 2

Explanation

Azure Kubernetes Service, or AKS, provides managed Kubernetes capabilities for deploying, managing, and scaling containerized applications. Kubernetes can coordinate multiple containers, schedule workloads, manage application availability, and support scaling across clusters. AKS reduces some of the infrastructure management required to operate Kubernetes while retaining the platform’s orchestration capabilities. Azure Files provides file storage, Key Vault manages secrets and keys, and Event Grid provides event routing. AKS is therefore the appropriate choice when an organization needs managed Kubernetes orchestration for container-based applications.

Question 227

Which Azure service can route events from Azure resources to applications and other endpoints?

1. Azure Event Grid
2. Azure Managed Disks
3. Azure Files
4. Azure Bastion

Correct Answer: 1

Explanation

Azure Event Grid is an event routing service that helps applications respond to events generated by Azure services and supported sources. It can deliver event notifications to appropriate handlers, enabling event-driven application architectures. For example, an event can trigger a function or another workflow when a resource changes. Managed Disks provide persistent storage, Azure Files provides shared file storage, and Bastion provides secure administrative access to virtual machines. Event Grid is therefore useful when applications need lightweight event routing and automated responses to changes.

Question 228

Which Azure service is designed for reliable enterprise messaging using queues and publish-subscribe topics?

1. Azure Event Hubs
2. Azure Service Bus
3. Azure Blob Storage
4. Azure Monitor

Correct Answer: 2

Explanation

Azure Service Bus is a fully managed enterprise messaging service that supports queues and publish-subscribe topics. It allows distributed applications and services to communicate reliably while remaining loosely coupled. Queues can help process messages asynchronously, while topics can distribute messages to multiple subscribers. Event Hubs is designed primarily for high-volume event ingestion and streaming, Blob Storage provides object storage, and Monitor provides telemetry. Service Bus is therefore the better choice when an application requires reliable enterprise messaging and advanced messaging patterns.

Question 229

Which Azure service is optimized for ingesting large streams of telemetry and event data?

1. Azure Event Hubs
2. Azure Key Vault
3. Azure Policy
4. Azure Files

Correct Answer: 1

Explanation

Azure Event Hubs is designed for high-throughput event ingestion and can collect large streams of telemetry from applications, devices, websites, and other sources. It is commonly used for real-time data processing, analytics pipelines, application monitoring, and IoT scenarios. Event Hubs can receive large volumes of events and make them available for downstream processing. Key Vault manages secrets, Policy handles governance, and Azure Files provides shared file storage. Event Hubs is therefore the appropriate service for large-scale event and telemetry ingestion.

Question 230

Which Azure service provides global application delivery and can route users to the nearest or best-performing application endpoint?

1. Azure Front Door
2. Azure Queue Storage
3. Azure Managed Disks
4. Azure Table Storage

Correct Answer: 1

Explanation

Azure Front Door is a global application delivery service that provides routing and acceleration capabilities for web applications. It can direct users to appropriate application endpoints and can improve performance by using Microsoft’s global network. Front Door can also work with security features such as Web Application Firewall in supported configurations. Queue Storage provides asynchronous messaging, Managed Disks provide virtual machine storage, and Table Storage provides NoSQL table data storage. Front Door is therefore appropriate for globally distributed web applications requiring intelligent traffic routing and application acceleration.

Question 231

Which Azure service provides a managed relational database based on PostgreSQL?

1. Azure Cosmos DB
2. Azure Database for PostgreSQL
3. Azure Blob Storage
4. Azure Event Hubs

Correct Answer: 2

Explanation

Azure Database for PostgreSQL provides managed PostgreSQL database capabilities for applications that require relational data storage. Azure manages many infrastructure and maintenance responsibilities, allowing organizations to focus on database configuration and application workloads. PostgreSQL is commonly used for applications requiring relational structures, SQL queries, and transactional capabilities. Cosmos DB is designed primarily for globally distributed NoSQL workloads, Blob Storage provides object storage, and Event Hubs handles event ingestion. Azure Database for PostgreSQL is therefore the appropriate service for managed PostgreSQL workloads.

Question 232

Which Azure service can help migrate large datasets when transferring the data over the network would take too long?

1. Azure Data Box
2. Azure Advisor
3. Azure Policy
4. Azure DNS

Correct Answer: 1

Explanation

Azure Data Box provides physical devices that organizations can use to transfer large amounts of data to or from Azure. This approach can be useful when network bandwidth is limited or when transferring a very large dataset over the internet would take an impractical amount of time. Data is copied to the device and then transferred through Microsoft’s data center processes. Advisor provides recommendations, Policy provides governance, and DNS provides name resolution. Azure Data Box is therefore appropriate for large-scale data transfer scenarios where offline movement is more practical.

Question 233

Which Azure service helps protect a web application against common application-layer attacks?

1. Azure Load Balancer
2. Azure Web Application Firewall
3. Azure Traffic Manager
4. Azure Queue Storage

Correct Answer: 2

Explanation

Azure Web Application Firewall, or WAF, helps protect web applications against common application-layer threats by inspecting web traffic and applying security rules. It can help detect and block malicious request patterns associated with attacks such as SQL injection and cross-site scripting. WAF can be integrated with supported Azure application delivery and networking services. Load Balancer distributes network traffic, Traffic Manager provides DNS-based routing, and Queue Storage supports messaging. WAF is therefore the appropriate security feature when protecting web applications from malicious HTTP or HTTPS requests.

Question 234

Which Azure service provides a centralized dashboard for managing and reviewing Azure costs?

1. Azure Cost Management
2. Azure Service Health
3. Azure Key Vault
4. Azure Functions

Correct Answer: 1

Explanation

Azure Cost Management provides tools for monitoring, analyzing, and controlling cloud spending. Organizations can review costs across subscriptions and resources, analyze spending trends, create budgets, and identify areas where costs may require attention. It can help teams improve financial visibility and make informed decisions about resource usage. Service Health focuses on Azure platform events, Key Vault manages sensitive information, and Functions provides serverless compute. Azure Cost Management is therefore the appropriate service for monitoring and managing actual Azure spending.

Question 235

Which Azure service can help identify underused resources and provide recommendations for reducing costs?

1. Azure Advisor
2. Azure Files
3. Azure DNS
4. Azure Bastion

Correct Answer: 1

Explanation

Azure Advisor analyzes Azure resources and usage information and provides personalized recommendations, including recommendations related to cost optimization. It can identify opportunities such as underutilized resources or configurations that may be adjusted to reduce unnecessary spending. Advisor also provides recommendations related to performance, reliability, and security. Azure Files provides shared file storage, DNS manages name resolution, and Bastion provides secure virtual machine access. Advisor is therefore useful when administrators need practical recommendations for improving resource efficiency and reducing Azure costs.

Question 236

Which Azure service provides disaster recovery capabilities by replicating supported workloads to another location?

1. Azure Backup
2. Azure Site Recovery
3. Azure Monitor
4. Azure Files

Correct Answer: 2

Explanation

Azure Site Recovery is designed to support disaster recovery by replicating supported workloads and coordinating recovery when a primary location becomes unavailable. It can help organizations maintain business continuity by enabling workloads to be recovered in another Azure region or supported location. Azure Backup serves a different purpose by creating recoverable backup copies of supported data and workloads. Azure Monitor provides telemetry, while Azure Files provides file storage. Site Recovery is therefore the appropriate service when the primary requirement is workload replication and disaster recovery.

Question 237

Which Azure service provides managed backup capabilities for protecting data from accidental deletion or corruption?

1. Azure Backup
2. Azure Front Door
3. Azure Traffic Manager
4. Azure Event Grid

Correct Answer: 1

Explanation

Azure Backup provides managed backup capabilities for supported workloads and data. Backups can help organizations recover information after accidental deletion, corruption, ransomware incidents, or other data-loss events. Backup is focused on creating recoverable copies of data rather than continuously routing workloads to another location. Front Door provides global application delivery, Traffic Manager performs DNS-based routing, and Event Grid handles event routing. Azure Backup is therefore the appropriate service when an organization needs to protect data and workloads through managed backup and recovery capabilities.

Question 238

Which Azure service provides a way to manage resources through a browser-based graphical interface?

1. Azure Portal
2. Azure Functions
3. Azure Event Hubs
4. Azure ExpressRoute

Correct Answer: 1

Explanation

The Azure portal is a web-based graphical interface used to create, configure, monitor, and manage Azure resources. It provides access to many Azure services and management capabilities without requiring command-line tools or code for common administrative tasks. Developers and administrators can use the portal to view resource information, configure settings, review costs, and monitor service health. Azure Functions provides serverless compute, Event Hubs provides event ingestion, and ExpressRoute provides private connectivity. The Azure portal is therefore the appropriate graphical management interface for Azure resources.

Question 239

Which Azure service provides a centralized location for storing cryptographic keys and application secrets?

1. Azure Policy
2. Azure Key Vault
3. Azure Monitor
4. Azure Traffic Manager

Correct Answer: 2

Explanation

Azure Key Vault is designed to securely store and manage secrets, encryption keys, and certificates. Applications can retrieve sensitive information from Key Vault rather than storing credentials directly in source code or configuration files. Access can be controlled using Azure identity and authorization features, helping organizations reduce the exposure of sensitive information. Azure Policy focuses on governance, Monitor handles telemetry, and Traffic Manager provides DNS-based traffic routing. Key Vault is therefore the correct choice for centralized and secure management of cryptographic keys and application secrets.

Question 240

Which cloud characteristic allows resources to be increased or decreased automatically as workload demand changes?

1. Elasticity
2. Fault tolerance
3. Governance
4. Geographic redundancy

Correct Answer: 1

Explanation

Elasticity is the ability of a cloud environment to automatically or dynamically increase and decrease resources according to changing workload demand. For example, an application may need additional compute capacity during periods of heavy traffic and less capacity when demand decreases. Elasticity helps organizations balance application performance with efficient resource usage. Fault tolerance focuses on continuing operation during failures, governance concerns organizational controls, and geographic redundancy protects resources across locations. Elasticity is therefore the cloud characteristic most directly associated with dynamically matching resources to changing workload requirements.