Illumina Technology Solutions Technical Consultant 1 Interview Questions and Answers

Q1. ATG Endeca Spring boot microservices
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Q1. Java Oracle Commerce ATG AWS Kafka kubernate
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Q2. Microservices Oracle Commerce AWS Mongo DB
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Q1. What's is operating system
Ans. 
An operating system is a software that manages computer hardware and provides services for computer programs.
• Manages computer hardware resources

• Provides services for computer programs

• Examples: Windows, macOS, Linux
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Q2. What's is O365 and cloud
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O365 is a subscription-based service by Microsoft that includes access to various productivity tools, while cloud refers to storing and accessing data and programs over the internet.
• O365 stands for Office 365, a suite of productivity applications like Word, Excel, and Outlook provided by Microsoft on a subscription basis

• Cloud computing involves storing and accessing data and programs over the internet instead of on a l...read more
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Q1. Scenario based questions from one of the best employees
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Q2. By sharing real time experience scenarios
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Q1. Explain MVC pipe-line.
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MVC pipeline is a design pattern that separates an application into three interconnected components: Model, View, and Controller.
• Model represents the data and business logic

• View displays the data to the user

• Controller handles user input and updates the model and view accordingly

• The pipeline ensures separation of concerns and promotes modularity

• Example: A user enters data in a form (input), the controller receives the i...read more
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Q2. Howrouting works in Asp.Net MVC?
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Routing in Asp.Net MVC maps incoming requests to appropriate controller actions.
• Routing is configured in RouteConfig.cs file.

• Routes are defined using MapRoute method.

• Routes can have placeholders for dynamic values.

• Routes can have constraints to restrict the values of placeholders.

• Routes can be named for easy reference.

• Default route is defined as {controller}/{action}/{id}.

• Attribute routing can also be used to define ro
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Q3. How to move from one entity framework version to another in a project?
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To move from one Entity Framework version to another, update the NuGet package and make necessary code changes.
• Update the NuGet package to the desired version

• Make necessary code changes to accommodate any breaking changes

• Test thoroughly to ensure the application still works as expected
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Q4. How WCF is different from Asp.Net Web Api?
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WCF is a framework for building distributed systems while Asp.Net Web Api is for building HTTP services.
• WCF supports multiple protocols like TCP, HTTP, Named Pipes, etc. while Web Api only supports HTTP.

• WCF has more configuration options and is more flexible than Web Api.

• Web Api is more lightweight and easier to use for building RESTful services.

• WCF is more suitable for building enterprise-level applications with compl...read more
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Q5. How to create a restful service without using Asp.Net Web Api template?
Ans. 
Creating a RESTful service without using Asp.Net Web Api template.
• Use a lightweight framework like Flask or Express

• Define routes and HTTP methods for each endpoint

• Serialize data to JSON format

• Handle errors and exceptions

• Test the service using tools like Postman or curl
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Q6. Difference between drop, truncate and delete.
Ans. 
Difference between drop, truncate and delete.
• DROP command removes a table from the database

• TRUNCATE command removes all rows from a table

• DELETE command removes specific rows from a table
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Q7. How many types of routings are there in Asp.Net MVC?
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There are two types of routings in Asp.Net MVC: convention-based routing and attribute routing.
• Convention-based routing uses default routing rules to map URLs to controller actions.

• Attribute routing allows developers to define custom routes using attributes on controller actions or at the controller level.

• Both types of routing can be used together in the same application.

• Convention-based routing is the default routing ...read more
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Q8. How to go about performancetuning in SQL?
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Performance tuning in SQL involves optimizing queries, indexes, and server settings to improve database performance.
• Identify slow queries using profiling tools

• Optimize queries by rewriting or adding indexes

• Adjust server settings such as memory allocation and disk usage

• Consider partitioning large tables

• Regularly monitor and analyze performance metrics
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Q9. Given a project requirement, how to choose between .Net framework and .Net Core?
Ans. 
Choose .Net Core for cross-platform and cloud-based applications, .Net Framework for Windows-only applications.
• Consider the target platform and deployment environment

• Choose .Net Core for cross-platform and cloud-based applications

• Choose .Net Framework for Windows-only applications

• Check for compatibility with existing libraries and frameworks

• Consider performance and scalability requirements
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Q1. Why would to like to change your organisation?
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Q1. LC coding round hard level
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Coding test on online platform LC tagged

Q1. SQL Questions and Python Coding Questions
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Q2. Do not remember the questions
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Q1. Basic computer knowledge questions
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Q1. On Packet core regarding to LTE 4G and 5G use cases and call flow
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Q2. Architecture of Kubenetes and command line and troubleshooting steps
Ans. 
Kubernetes architecture, command line usage, and troubleshooting steps
• Kubernetes architecture includes master nodes, worker nodes, and etcd for storing cluster data

• Use kubectl command line tool to interact with Kubernetes clusters

• Troubleshooting steps involve checking pod status, logs, and events for errors

• Common kubectl commands include kubectl get, kubectl describe, and kubectl logs

• Debugging with kubectl exec to acce
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Q1. Kubenetes question and call flow
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