Modcon Group Interview Questions and Answers

Q1. How do you find the code performance issue in the code deployed in production?
Ans. 
To find code performance issues in production, use monitoring tools and profiling techniques.
• Use monitoring tools like New Relic, AppDynamics, or Datadog to track performance metrics and identify bottlenecks.

• Use profiling techniques like CPU profiling, memory profiling, and network profiling to pinpoint specific areas of the code that are causing performance issues.

• Analyze logs and error messages to identify patterns a...read more
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Q2. What is asynchronous programming
Ans. 
Asynchronous programming is a programming paradigm that allows multiple tasks to run concurrently without blocking each other.
• Asynchronous programming is used to improve the performance of applications that require a lot of I/O operations.

• It involves the use of callbacks, promises, and async/await keywords in JavaScript.

• Asynchronous programming can be used in both front-end and back-end development.

• Examples of asynchro...read more
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Q3. Write a program to change background after every 0.5 sec interval to orange,white,green on button click in Angular?
Ans. 
Program to change background color on button click in Angular
• Create a button in Angular template

• Add click event listener to the button

• Use setInterval() function to change background color after every 0.5 sec

• Use ngStyle directive to change background color dynamically
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Q4. How to load a component only after 3 of my services are loaded?
Ans. 
Use Angular's 'resolve' property to load component after services are loaded.
• Create a resolver service that waits for all three services to complete before resolving.

• Add the resolver service to the 'resolve' property of the component's route.

• Access the resolved data in the component using the ActivatedRoute service.

• Example: { path: 'my-component', component: MyComponent, resolve: { data: MyResolverService } }
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Q5. What is difference between iquerable and ienumrable
Ans. 
IQueryable is for querying data from a source that implements IQueryable interface while IEnumerable is for iterating over a collection of data.
• IQueryable is used for deferred execution while IEnumerable is used for immediate execution.

• IQueryable is used for querying data from a remote data source while IEnumerable is used for querying data from an in-memory collection.

• IQueryable is more efficient for large datasets as...read more
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Q6. When you go with entity framework and ado.net
Ans. 
Entity Framework is an ORM while ADO.NET is a data access technology.
• Entity Framework is easier to use and provides more abstraction than ADO.NET.

• ADO.NET is faster and more flexible than Entity Framework.

• Use Entity Framework for simple CRUD operations and ADO.NET for complex queries and performance-critical applications.
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Be through with coding skills on technologies mentioned as per CV.

Q1. Asked questions on previous projects regarding role and responsibilities.
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Q1. End to End Process and Configs from all aspects of the SAP EWM
Ans. 
The SAP EWM involves configuring end-to-end processes for warehouse management.
• Configuration of warehouse structure and layout

• Setting up storage types, storage bins, and storage sections

• Defining warehouse tasks and activities

• Configuring goods receipt and goods issue processes

• Integration with other SAP modules like MM, SD, and PP
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Q1. Interview conducted by onsite Team Lead
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Q1. Complete Lifecycle of the SAP Products
Ans. 
SAP products go through various stages from development to end of life, including design, development, testing, implementation, maintenance, and retirement.
• Design phase involves planning and creating the product's architecture.

• Development phase includes coding and building the product.

• Testing phase ensures the product meets quality standards.

• Implementation phase involves deploying the product for use by customers.

• Maint...read more
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Q1. General HR round
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Q1. Any process improvements done?
Ans. 
Yes
• Implemented a new project management software to streamline workflow

• Introduced standardized templates for documentation to improve efficiency

• Implemented a feedback system to gather suggestions for process improvement

• Developed and implemented a training program to enhance team members' skills
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