20+ Zen Technologies Interview Questions and Answers

To configure and verify custom DNS in Azure AD, follow these steps:

• Create a DNS zone in Azure DNS

• Add a custom domain to Azure AD

• Create a CNAME record in the DNS zone that points to the Azure AD domain

• Verify the custom domain in Azure AD

• Update the DNS registrar to use the Azure DNS name servers

• Test the custom DNS by accessing Azure AD resources using the custom domain

My strongest point in Azure is my expertise in designing and implementing highly scalable and resilient cloud solutions.

• I have extensive experience in designing and implementing cloud solutions using Azure services such as Virtual Machines, Azure Functions, Azure App Service, and Azure Storage.

• I have a deep understanding of Azure networking and security, including Virtual Networks, Network Security Groups, and Azure Active Directory.

• I am skilled in using Azure DevOps for cont...read more

Sensitive hits considered by a Data Governance Engineer

• Personally identifiable information (PII)

• Protected health information (PHI)

• Financial information

• Intellectual property

• Sensitive company information

• Data breaches

• Data access controls

• Data retention policies

Debugging errors in CI/CD pipelines requires thorough analysis and testing.

• Identify the source of the error by reviewing logs and error messages.

• Isolate the error by testing each component of the pipeline individually.

• Implement fixes and retest until the error is resolved.

• Ensure proper communication and collaboration with team members to prevent future errors.

• Use automation tools and continuous monitoring to catch errors before they occur.

• Example: Debugging a failed deploymen...read more

Azure virtual network gateway is a service that enables you to establish secure, cross-premises connectivity.

• It provides site-to-site VPN connectivity between on-premises and Azure virtual networks.

• It supports both policy-based and route-based VPNs.

• It can be used to connect virtual networks across different regions.

• It can be configured to use ExpressRoute for private connectivity to Azure services.

• It provides high availability and redundancy through active-active and active-p...read more

Azure AD supports various authentication types for secure access to resources.

• Azure AD supports password-based authentication, multi-factor authentication, certificate-based authentication, and federated authentication.

• It also supports OAuth 2.0 and OpenID Connect for secure authentication and authorization.

• Examples of supported protocols include SAML, WS-Federation, and OAuth 2.0/OpenID Connect.

• Azure AD also supports integration with third-party identity providers for authen...read more

Fault and update domains are concepts used in cloud computing to ensure high availability and minimize downtime.

• A fault domain is a group of resources that share a common point of failure, such as a power source or network switch.

• An update domain is a group of resources that can be updated or restarted at the same time without affecting the availability of the application.

• By spreading resources across multiple fault and update domains, cloud providers can ensure that a single...read more

Onpremise solution is hosted locally while Cloud based solution is hosted on remote servers.

• Onpremise solution requires hardware and software to be installed and maintained locally.

• Cloud based solution is accessible from anywhere with an internet connection.

• Onpremise solution provides more control over data and security.

• Cloud based solution offers scalability and cost-effectiveness.

• Examples of Onpremise solutions include Microsoft Exchange Server and Oracle Database.

• Examples ...read more

Azure is a cloud computing platform by Microsoft that offers a wide range of services for businesses to build, deploy, and manage applications.

• Azure provides scalability and flexibility for businesses to easily scale their infrastructure based on demand.

• It offers a wide range of services including virtual machines, databases, AI and machine learning tools, and more.

• Companies choose Azure for its strong security features and compliance certifications.

• Azure allows for hybrid cl...read more

PII data can be remediated by encrypting, anonymizing, or deleting it.

• Encrypt sensitive data using strong encryption algorithms

• Anonymize data by removing personally identifiable information

• Delete data that is no longer needed or has no business value

• Implement access controls to restrict access to PII data

• Regularly monitor and audit PII data usage and access

• Train employees on proper handling and protection of PII data

Communication between microservices is typically done through APIs, messaging queues, or service meshes.

• Use RESTful APIs for synchronous communication between microservices

• Implement messaging queues like RabbitMQ or Kafka for asynchronous communication

• Utilize service meshes like Istio for managing communication between microservices

Azure provides a wide range of services including computing, storage, networking, databases, analytics, and more.

• Scalability: Azure allows for easy scaling of resources to meet changing demands.

• Security: Azure offers robust security features to protect data and applications.

• Cost-effective: Pay only for what you use, with no upfront costs.

• Integration: Azure seamlessly integrates with other Microsoft products and third-party services.

• Global reach: Azure has data centers worldwi...read more

Java8 introduced Lambda expressions, Stream API and Functional Interfaces.

• Lambda expressions provide a concise way to represent anonymous functions.

• Stream API allows for functional-style operations on streams of elements.

• Functional Interfaces are interfaces with a single abstract method, used for lambda expressions.

• Example: (x, y) -> x + y is a lambda expression that adds two numbers.

• Example: Stream.of(1, 2, 3).map(x -> x * 2).forEach(System.out::println) uses Stream API to d...read more

Discovery methods are techniques used to identify and gather information about a system or process.

• Discovery methods involve observing, interviewing, and analyzing data

• Examples include user research, market research, and data analysis

• Discovery methods are used to gain insights and inform decision-making

A jailbroken device is a device that has been modified to remove restrictions imposed by the manufacturer or carrier.

• Jailbreaking allows users to install apps and tweaks that are not available on the official app store.

• It can also allow users to customize the appearance and functionality of their device.

• However, jailbreaking can also make the device more vulnerable to security threats and can void the warranty.

• Examples of jailbreaking tools include Cydia, Pangu, and TaiG.

Join is used to combine rows from two or more tables based on a related column, while union is used to combine the result sets of two or more SELECT statements.

• Join is used to retrieve data from multiple tables based on a related column

• Union is used to combine the result sets of two or more SELECT statements

• Join can be inner, outer, left, right, etc. based on the requirement

• Union removes duplicate rows from the combined result set

Use SQL to find consecutive numbers in a dataset.

• Use the LEAD or LAG function to compare each row with the next or previous row respectively.

• Use a self join on the table to compare each row with the next row.

• Use a subquery to check if the next or previous row exists in the dataset.

Autopilot is a cloud-based deployment service from Microsoft Intune for Windows 10 devices.

• Autopilot simplifies the deployment of new Windows 10 devices by pre-configuring them with policies, settings, and apps.

• It allows IT admins to remotely manage and customize the deployment process.

• Autopilot also enables users to easily set up their own devices with minimal IT involvement.

• It can be used with various device types, including laptops, desktops, and tablets.

• Autopilot can be i...read more

Grouping in Java 8 allows elements to be grouped based on a common attribute or condition.

• Use the Collectors.groupingBy() method to group elements in a stream based on a specified classifier function.

• The classifier function determines how elements are grouped.

• Grouping can be done on any type of object, such as strings, integers, or custom objects.

• For example, to group a list of Person objects by their age: Map<Integer, List<Person>> groupedByAge = people.stream().collect(Coll...read more

React is a JavaScript library for building user interfaces. JS stands for JavaScript, a popular programming language for web development.

• React is a front-end library developed by Facebook for building interactive user interfaces.

• JS (JavaScript) is a versatile programming language commonly used for web development.

• React allows for creating reusable UI components, making it easier to manage complex UIs.

• JS is used for adding interactivity to websites, such as form validation and...read more

AWS Well-Architected Framework provides best practices for designing and operating reliable, secure, efficient, and cost-effective systems in the cloud.

• Five pillars: Operational Excellence, Security, Reliability, Performance Efficiency, Cost Optimization

• Helps organizations evaluate architectures and implement designs that can scale over time

• Provides guidance on how to design, deploy, and operate workloads in the cloud

In .NET, 'out' parameters are used for passing data out of a method, while 'ref' parameters are used for passing data in and out of a method.

• Use 'out' when the method is expected to assign a value to the parameter.

• Use 'ref' when the method needs to modify the parameter's value.

• Example: int x; Method(out x); // 'out' parameter assigns a value to x.

• Example: int y = 5; Method(ref y); // 'ref' parameter modifies the value of y.