Important Azure interview questions and answers for 2023
If you want to work as a successful Azure developer for a top Silicon Valley firm or build a team of talented Azure developers, you've come to the right spot. We've carefully compiled a list of Azure developer interview questions for your Azure interview to give you an idea of the kind of Azure interview questions you can ask or be asked.
Azure has evolved into a significant service provider, with over 80% of Fortune 500 firms relying on Azure to host their apps, resources, or any other computing requirements. Azure supports various programming languages, including Java, C#, and NodeJS, and offers over 200 cloud computing services.
Whether you are a candidate searching for Azure interview preparation or a recruiter seeking Azure developers, the collection of Azure interview questions below will be quite helpful.
Table of contentsAzure interview questions and answers (10)
Azure interview questions and answers
What is an Azure cloud service?
This is an important Azure interview question. Azure cloud service is a traditional platform as a service example (PaaS). It was created to enable applications that require great scalability, reliability, and availability while maintaining low operational costs. These applications are housed on virtual machines, and Azure gives developers more control over them by installing the appropriate software and controlling them remotely.
Azure cloud services aid in the application's easier and more flexible scaling. Azure cloud services help deploy multi-tier web-based applications on Azure by launching a cloud service instance. It is also possible to establish numerous roles for distributed processing, such as web roles, worker roles, etc.
How many cloud service roles does Azure provide?
Cloud service roles comprise a collection of application and configuration files. Azure offers two types of roles: administrative and technical.
Web role: This role provides a dedicated IIS (Internet Information Services) web server for the automatic deployment and hosting of front-end websites.
Worker roles: The worker roles allow the programs hosted within them to run asynchronously for extended periods, are independent of user interactions and do not typically use IIS. They are also suitable for carrying out background tasks. The applications are run independently.
What is Azure resource manager?
You are likely to encounter this Azure data engineer interview question. Azure resource manager is a service offered by Azure that allows for management and application deployment in the cloud.
The resource manager provides a management layer that allows developers to create, change, or delete resources in their Azure subscription account. This functionality is useful when we need to manage access controls and locks, ensure the security of resources after deployment, and organize such resources.
What exactly is an Azure Service Level Agreement (SLA)?
The Azure Service Level Agreement (SLA) is a contract that ensures or guarantees that when two or more role instances of a role are deployed on Azure, access to that cloud service is assured at least 99.95 percent of the time. It also indicates that if the role instance process is not in the operating state, such processes will be detected, and corrective action will be taken 99.9 percent of the time.
What are the various cloud deployment models available?
Recruiters are fond of this Azure interview question. There are three cloud deployment models available:
Public Cloud: In this model, the cloud provider owns the cloud infrastructure publicly, and server resources may be shared among multiple applications.
Private Cloud: In this case, we own the cloud infrastructure entirely, or the cloud provider provides us with a unique service. For this, we must host our apps either on our on-premise servers or on a dedicated server offered by the cloud provider.
Hybrid Cloud: As the name suggests, this model is a hybrid of the private cloud and the public cloud. The hybrid cloud involves using on-premise servers to process confidential, sensitive data and public cloud capabilities to host public-facing applications.
Why is the Azure diagnostics API required?
- The Azure diagnostics API allows us to collect diagnostic data from Azure-running apps like performance monitoring, system event logs, and so forth.
- Azure diagnostics must be enabled for the cloud service roles to monitor data in detail.
- Diagnostics data can help create visual chart representations for enhanced monitoring and performance metric warnings.
What are IaaS, PaaS and SaaS?
It is common to come across this Azure data engineer interview question.
IaaS: This stands for "Infrastructure as a Service." The infrastructure serves as a platform for hosting applications. It provides a collection of capabilities such as operating systems, network connectivity, and so on that are at the infrastructure level and are offered as a pay-per-use policy. Azure VM, VNET, and other examples are available.
PaaS: PaaS stands for "Platform as a Service," and it is primarily concerned with providing underlying infrastructure abstraction to developers to enable faster application development without dealing with hosting maintenance. Azure online apps, storage services, cloud services, and so on are some examples.
SaaS: SaaS stands for "Software as a Service." It refers to programs that are delivered via the service delivery paradigm and are simply consumed and used by an enterprise. These applications are typically activated by charging the organization for their use or through advertisements. Applications such as Office 365, Gmail, and SharePoint Online are examples.
What does NSG mean?
This is an important Azure interview question. NSG is an abbreviation for Network Security Group, which contains a set of ACL (Access Control List) rules that allow or deny network traffic to subnets, NICs (Network Interface Cards) linked to a subnet, or both. When NSG is connected to a subnet, the ACL rules apply to all Virtual Machines in that subnet.
What is cspack in Azure?
It is a command-line utility for creating service package files. The tool also assists in preparing the application for deployment in Microsoft Azure or a computing emulator.
Every cloud service project contains a.cscfg file, which is essentially the cloud service configuration file generated by the cspack program and is mostly used to store:
- The number of role instances required for each role's deployment in the project
- The certificates' thumbprint
- Configuration and settings are user-defined
What do you understand by Azure scheduler?
This is another common Azure data engineer interview question. The Azure scheduler enables us to perform background trigger events or operations such as calling HTTP/S endpoints or presenting a message on the queue on any schedule.
Using this Azure scheduler, the tasks in the cloud call services both within and outside of Azure to perform on-demand jobs that are frequently repeated on a regular schedule or to start those jobs at a future set date.
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The Azure interview questions listed above will be a crucial element of your Azure interview preparation. These Azure interview questions will help you answer similar questions or generate new ones. In contrast, an Azure interview would not comprise only these technical Azure interview questions. In addition, an Azure interview may contain questions about a person's social and personal skills. These questions enable the recruiter to assess whether the candidate can persevere in challenging situations while also aiding their peers. Finding someone who gets along with the rest of the team is crucial for a recruiter.
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