ICC1 - Ada AZ-900 - Azure Fundamentals quiz 3

Which Azure Virtual Machine feature staggers updates across VMs based on their update domain and fault domain?

• Availability sets

• Scale sets

• Update sets

Answer explanation

Availability sets stagger VM updates based on their update and fault domains.

Which Azure service allows users to use a cloud hosted version of Windows from any location and connect from most modern browsers?

• Azure Virtual Desktop

• Azure Virtual Machines

• Azure Container Instances

Answer explanation

Azure Virtual Desktop provides access to a cloud-hosted version of Windows, and it works with most modern browsers.

What is an Azure virtual machine?

• A software emulation of a physical computer

• A physical server located in a Microsoft data center.

• A way to access Microsoft Office applications in the cloud.

• An unlimited storage solution for your data.

Answer explanation

An Azure virtual machine (VM) is a cloud-based computer that emulates a physical computer. It provides users with a virtualized environment where they can install operating systems, applications, and run workloads just like a physical machine. VMs offer flexibility and scalability as you can easily configure them with the processing power, memory, and storage needed for your specific tasks.

You need to deploy a web application that experiences unpredictable spikes in traffic throughout the day. Manual scaling of virtual machines is too time-consuming. What Azure service can automatically adjust the number of VM instances based on demand?

• Azure App Service

• Azure Virtual Machines

• Azure Scale Sets

• Azure Container Instances

Answer explanation

• Azure Scale Sets allow you to create and manage a set of identical VMs that can automatically scale in or out based on predefined rules or metrics like CPU usage. This is ideal for handling fluctuating workloads.

You've developed a microservices application using containerized components. How can you easily deploy, manage, and scale these containers in a highly available cluster environment on Azure?

• Azure App Service

• Azure Container Instances

• Azure Virtual Machines

• Azure Kubernetes Service

Answer explanation

Azure Kubernetes Service (AKS) is a managed Kubernetes offering on Azure. It simplifies deployment, scaling, and management of containerized applications by providing a fully-managed Kubernetes service. You can focus on your application logic while AKS takes care of the underlying infrastructure.

You're tasked with building a small, event-driven application that processes sensor data and triggers actions based on specific conditions. You want to avoid managing servers and focus solely on the application logic. What Azure service allows you to achieve this?

• Azure App Service

• Azure Virtual Machines

• Azure Functions

• Azure Cloud Services

Answer explanation

• Azure Functions is a serverless compute service. You write code snippets (functions) triggered by events like incoming data or HTTP requests. Azure Functions handles server provisioning and scaling, allowing you to focus on the code.

You've developed a web application and need a reliable platform for deployment with features like auto-scaling, continuous integration/continuous delivery (CI/CD), and global reach. What Azure service is ideal for this scenario?

• Azure Virtual Machines

• Azure Functions

• Azure App Services

• Azure Container Instances

Answer explanation

• Azure App Services provide a fully managed platform specifically designed for hosting web applications and APIs. It offers features like auto-scaling, CI/CD integrations, and global deployments, making it a perfect fit for your web application.

• Azure Functions are event-driven and better suited for small, triggered tasks, not full web applications.

• Azure Container Instances are for on-demand container deployment but lack the comprehensive features of App Services for web applications.

• While Azure Virtual Machines offer flexibility, you'd manage the underlying server infrastructure yourself, including scaling and deployments.

Your company wants to establish a secure and encrypted connection between its on-premises network and resources in an Azure virtual network. What Azure service facilitates this private communication channel?

• Azure ExpressRoute

• Azure Bastion

• Azure Virtual Private Network Gateway

• Azure Active Directory

Answer explanation

• Azure Virtual Private Network (VPN) Gateway acts as a secure tunnel that encrypts data traffic between your on-premises network and the Azure virtual network. It enables secure communication for resources in both environments.

Azure ExpressRoute provides a dedicated private connection to Azure bypassing the public internet, but it doesn't directly connect to on-premises networks.

Azure Bastion offers secure remote access to Azure VMs from the internet, not specifically for on-premises network connections.

Your organization has a high-bandwidth, latency-sensitive cloud workload running on Azure. You need a dedicated and private connection to Azure that bypasses the public internet. What Azure service offers this functionality?

• Azure Virtual Private Network (VPN)

• Azure Point-to-Site VPN

• Azure ExpressRoute

• Azure Bastion

Answer explanation

Azure ExpressRoute creates a dedicated private connection between your on-premises infrastructure and Microsoft's datacenter network, bypassing the public internet. This provides lower latency, higher bandwidth, and more consistent performance for your cloud workloads.

Azure Virtual Private Network (VPN) and Azure Point-to-Site VPN establish secure connections over the public internet, which might not be ideal for high-bandwidth or latency-critical workloads.

• Azure Bastion facilitates secure remote access to Azure VMs from the internet, but it doesn't directly provide a private connection between networks.