Clovertex Lead Engineer 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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Basic questions on excel and Powerpoint

Q1. What do you know about Prime?
Ans. 
Prime is a subscription service offered by Amazon that provides access to a variety of benefits, including free two-day shipping, streaming of music and video content, and more.
• Prime offers free two-day shipping on eligible items

• Prime Video provides access to a wide range of movies and TV shows

• Prime Music allows users to stream music ad-free

• Prime Reading offers a selection of ebooks and magazines for free

• Prime members
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Q1. Asking about ur self
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Q1. Just asking questions related to ur projects mentioned in resume
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Q1. Explain MVC pipe-line.
Ans. 
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?
Ans. 
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?
Ans. 
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?
Ans. 
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?
Ans. 
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?
Ans. 
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. Experience on huge infrastructure, how to make decisions of scaling, performance and availability?
Ans. 
Scaling, performance, and availability decisions on huge infrastructure require a data-driven approach.
• Analyze data on usage, traffic, and resource utilization to identify bottlenecks and areas for improvement.

• Consider the impact of scaling on cost, user experience, and maintenance.

• Implement monitoring and alerting systems to quickly identify and address issues.

• Use load testing and performance profiling to optimize sys...read more
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Q1. LC coding round hard level
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Coding test on online platform LC tagged

Q1. Actually after internship we will have evaluation.
Ans. So in evaluation they decide whether to continue or to extend your 4 month of internship. I got converted into FTE after 4 months.
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Q2. You need to showcase what u did in the internship As I converted to FTE from internship
Ans. U need to submit ur trakstar(evaluation) And u need to keep. Meet with mentor and they will rate you
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