Azure Top 10 Interview Questions and Answers (2023)


1) What is Azure

Microsoft Azure is a growing set of cloud computing services created by Microsoft that hosts your existing applications, streamline the development of a new application, and also enhances our on-premises applications. It helps the organizations in building, testing, deploying, and managing applications and services through Microsoft-managed data centers.

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2) What is Azure Cloud Service?

The Azure Cloud service offers multiple web applications in Azure; it categorizes the services and allows us the flexible scaling for our use. The Azure cloud service was launched in the year 2010. It is a dynamic cloud platform that offers development, data storage, service hosting, and service management.

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3) Explain Role in terms of Microsoft Azure 

These roles are divided into three parts

• Web Role: It is used to deploy a website, using the languages supported by the IIS platform (like PHP, .NET, etc.). It was configured and customized to run web applications.
• Worker Role: It helps the web role to execute background processes, unlike the web Role, which is used to deploy the website.
• VM Role: It can be used by a user to schedule tasks and other windows services. We can use the VM role to customize the machine on which the web and worker role is running.

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4) Define Windows Azure AppFabric.

Windows Azure AppFabric was a service platform introduced by Microsoft, designed for the development, deployment, and administration of applications in the cloud. AppFabric encompassed essential functionalities such as messaging, caching, and access control, enabling smooth integration and scalability of applications. However, Microsoft has since deprecated AppFabric, integrating its features into other Azure services.

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5) What is autoscaling in Azure?

Scaling by including extra instances is frequently referred to as scaling out. Windows Azure likewise supports scaling up by utilizing bigger roles rather than more role instances.

By adding and expelling role instances to our Windows Azure application while it is running, we can adjust the execution of the application against its running costs.

An autoscaling solution reduces the amount of manual work engaged in dynamically scaling an application.

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 6) What is a break-fix issue?

In Azure, break-fix issues are referred to as technical problems. It is an industry term used when “work involved in supporting a technology when it fails its normal course of action”.
 

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7) What are the features of Windows Azure?

 

Windows Azure has the following features:

• Scalability: Azure enables users to effortlessly adjust resource capacity in response to demand, facilitating easy scaling up or down as required.
• Virtual Machines: Users gain the ability to create and manage virtual machines (VMs) within the cloud, facilitating the deployment of diverse operating systems and software applications.
• Storage Options: Azure offers a selection of storage services, such as Blob Storage for unstructured data, File Storage for seamless file sharing, Queue Storage for efficient messaging, and Table Storage for flexible NoSQL key-value storage.
• App Services: Azure provides an effective platform-as-a-service (PaaS) solution for developing, deploying, and scaling web, mobile, and API applications. It encompasses Azure Web Apps, Mobile Apps, and API Apps.

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8) What is IaaS, PaaS, and SaaS?

IaaS: IaaS is short for Infrastructure as a Service. It offers a range of capabilities, such as OS and network connectivity, that are at the infrastructural level. It follows a pay-per-use policy. It is used to host applications. Azure VM and VNET are examples of this kind of infrastructure.

PaaS: PaaS is an acronym for Platform as a Service. It primarily includes underlying infrastructure abstraction that allows quicker development of applications without the hassle of hosting management. Azure web apps, cloud services, storage services, etc., are all examples of PaaS. 

SaaS: SaaS stands for Software as a Service.  These applications are delivered with the help of a service delivery model where applications are simply used by an organization. SaaS follows subscription-based payments or ads. Examples of SaaS are Gmail, Office 365, SharePoint Online, etc.

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 9) What is NSG?

NSG or Network Security Group contains a list of ACL rules that allow or deny network traffic to subnets, network interface cards (NICs) linked to a subnet, or both. When an NSG is connected to a subnet, the ACL rules are for all virtual machines that are located in that subnet. The traffic restrictions to an individual NIC are achieved by linking the NSG directly to that NIC

 

10)  What are the different cloud deployment models?

Cloud deployment models describe how cloud services are offered to users. The major deployment models associated with cloud computing are listed below:

• Public cloud: Here, computing services are offered through third-party providers across the public internet and server.
• Private cloud: Here, computing services are offered either over the private internal network or the internet only to the selected users.
• Hybrid cloud: Here, the cloud computing environment combines both public cloud and private cloud, allowing to share of data and applications between them.

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Mentor - Mahadev Gochade
Intormation and research are sources from internet.
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