Microsoft Azure Interview Questions and Answers
Experienced / Expert level questions & answers
Ques 1. What is Azure Kubernetes Service (AKS) and why use it?
Azure Kubernetes Service is a managed Kubernetes service that simplifies deploying, managing, and scaling containerized applications. Use AKS for orchestrating containers, ensuring high availability, and easy scalability.
Example:
Deploy a Docker container to AKS: Use 'kubectl apply' with a Kubernetes manifest file specifying the container image and desired configurations.
Ques 2. Explain Azure Functions Triggers and Bindings.
Azure Functions Triggers are events that cause a function to run, while Bindings are a declarative way to connect input and output data to a function. Triggers and Bindings simplify the integration of functions with other services and data sources.
Example:
Use an Azure Blob Storage Trigger to automatically execute a function when a new file is added to a storage container.
Ques 3. What is Azure Virtual Machine Scale Sets and how do they work?
Azure Virtual Machine Scale Sets allow you to run and manage a set of identical virtual machines. They automatically increase or decrease the number of VM instances based on demand or a defined schedule, ensuring high availability and scalability.
Example:
Create a VM Scale Set with Azure CLI: az vmss create --resource-group--name --image --instance-count
Ques 4. What is Azure ExpressRoute, and how does it differ from Azure VPN?
Azure ExpressRoute is a dedicated private connection to Azure, bypassing the public internet. It provides more reliability, faster speeds, and lower latencies compared to Azure VPN, which uses the public internet for connectivity.
Example:
Establish an ExpressRoute connection: Work with a network service provider to set up a dedicated connection between your on-premises network and Azure.
Ques 5. Explain Azure Functions Durable Functions and their use cases.
Azure Durable Functions is an extension of Azure Functions that enables the creation of workflows with stateful execution. Use cases include long-running processes, coordination of microservices, and handling human intervention steps.
Example:
Implement a stateful workflow using Durable Functions: Define an orchestrator function that coordinates the execution of multiple activity functions.
Ques 6. What is Azure Arc, and how does it extend Azure services to on-premises environments?
Azure Arc is a set of technologies that extends Azure management and services to any infrastructure, including on-premises, multi-cloud, and edge environments. It allows organizations to use Azure services wherever their resources are located.
Example:
Use Azure Arc to manage on-premises servers from the Azure portal: Register on-premises servers with Azure Arc and apply configurations.
Ques 7. What is Azure Policy Guest Configuration, and how does it enhance compliance management?
Azure Policy Guest Configuration helps enforce desired configuration states on virtual machines. It allows organizations to assess and remediate configuration drift across their Azure infrastructure.
Example:
Create an Azure Policy Guest Configuration policy to ensure specific security configurations are applied to virtual machines.
Ques 8. Explain the purpose of Azure Sphere and its role in securing IoT devices.
Azure Sphere is a comprehensive IoT security solution that includes a secure hardware chip, a custom Linux-based operating system, and a cloud-based security service. It provides end-to-end security for IoT devices.
Example:
Integrate Azure Sphere into an IoT project to ensure secure communication and device authentication.
Ques 9. What is Azure Confidential Computing, and how does it enhance data security?
Azure Confidential Computing provides a secure enclave for protecting sensitive data during processing. It uses hardware-based security features to ensure that data remains confidential, even from administrators and the underlying infrastructure.
Example:
Develop an application that performs secure computations using Azure Confidential Computing and Azure Kubernetes Service.
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