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Netcracker Technology Technical Lead Interview Questions and Answers
Netcracker Technology Technical Lead Interview Experiences
3 interviews found
Anonymous
I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
(2 Questions)
- Q1. Coding on react custom hook
- Ans.
Creating a custom React hook for managing form state and validation.
Define a function that uses 'useState' to manage form values.
Use 'useEffect' to handle validation logic based on form values.
Return an object containing form values, a function to update them, and validation errors.
Example: const useForm = (initialValues) => { /* hook logic */ };
Use the custom hook in a component: const { values, handleChange, error...
- Q2. Coding on React context API
- Ans.
React Context API allows for state management and sharing data across components without prop drilling.
Create a Context using React.createContext().
Wrap your component tree with the Context Provider to make the context available.
Use the useContext hook in functional components to access context values.
Example: const MyContext = React.createContext();
Example: <MyContext.Provider value={/* some value */}>...</My...
Medium DSA question in 60 minutes
(2 Questions)
- Q1. Java OOPs, multithreading, JMM
- Q2. Spring boot basics and advance
I appeared for an interview in Sep 2022.
(2 Questions)
- Q1. Angular and Project Experience
- Q2. Javascript, HTML. CSS
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I applied via Referral and was interviewed before Jan 2021. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Explain OOPs concepts using real life example?
- Ans.
OOPs concepts are used in real life to model objects and their behavior.
Encapsulation: A car's engine is encapsulated and can only be accessed through specific methods.
Inheritance: A sports car is a type of car that inherits properties and methods from the car class.
Polymorphism: A person can be a student, teacher, or employee, each with their own unique behavior.
Abstraction: A TV remote has buttons that abstract the c...
- Q2. Internal working of Hashmap?
- Ans.
Hashmap is a data structure that stores key-value pairs and uses hashing to locate values based on their keys.
Hashmap uses an array of linked lists to store key-value pairs.
The hash function is used to convert the key into an index of the array.
If two keys have the same hash value, they are stored in the same linked list.
Hashmap provides constant time complexity for insertion, deletion, and retrieval of values.
Java's H...
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Skills evaluated in this interview
lingaraj s
I applied via Other and was interviewed in May 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Project Details , Framework Architecture, Roles and Responsibilities, Devops basics, Selenium Questions
Interview Preparation Tips
Selected
I appeared for an interview in Jun 2024.
(1 Question)
- Q1. General hr questions
(1 Question)
- Q1. Ab initio questions
(1 Question)
- Q1. With the project manager
(1 Question)
- Q1. Overall experience and technical questions
(1 Question)
- Q1. Final salary and other talks
Selected
I applied via Walk-in and was interviewed before Apr 2023. There were 2 interview rounds.
Online aptitude test
10 questions, write in any programming language you know.
Interview Preparation Tips
(1 Question)
- Q1. Wht is ur sal expectations
- Ans.
My salary expectations are based on my experience, skills, and the market rate for the position.
Consider my years of experience in the industry
Research the average salary range for similar positions in the market
Factor in the cost of living in the location of the job
Be open to negotiation based on the overall compensation package offered
I applied via Naukri.com and was interviewed in Feb 2021. There were 4 interview rounds.
Interview Questionnaire
12 Questions
- Q1. Which design pattern implemented in project.
- Ans.
Implemented the Observer design pattern.
Used to maintain consistency between related objects
Allows for one-to-many relationships between objects
Used in event-driven systems
Example: Used to update UI when data changes in backend
- Q2. Solid principals
- Q3. Code coverage
- Q4. Unit testing
- Q5. Cloud services
- Q6. Cloud integrations
- Q7. Detail architecture of current project and what role you played
- Q8. What software architecture you implimented and why?
- Ans.
I have implemented a microservices architecture for scalability and flexibility.
Implemented microservices architecture using Docker and Kubernetes
Used API Gateway for routing and load balancing
Implemented service discovery using Consul
Implemented circuit breaker pattern using Hystrix
Implemented centralized logging using ELK stack
Implemented distributed tracing using Zipkin
Implemented event-driven architecture using Kaf...
- Q9. Writing some code logic snippet like sudo code
- Ans.
This code snippet demonstrates a simple algorithm to find the maximum value in an array.
Initialize a variable 'max' to the first element of the array.
Iterate through the array starting from the second element.
If the current element is greater than 'max', update 'max'.
Return 'max' after completing the iteration.
Example: For array [3, 5, 2, 8, 1], the output will be 8.
- Q10. How you improved stored procedure performance
- Ans.
I improved stored procedure performance by optimizing queries and indexes.
Identified and removed unnecessary joins and subqueries
Used appropriate indexing to speed up query execution
Reduced the number of round trips to the database by using batch processing
Rewrote complex queries to simpler ones
Used stored procedure parameters instead of variables to avoid recompilation
Used SET NOCOUNT ON to reduce network traffic
Used ...
- Q11. DB normalization and indexing
- Q12. C# oops questions
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Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed before Sep 2023. There were 4 interview rounds.
Hacker rank test with medium to easy level.
(1 Question)
- Q1. React architecture, component debugging, api best practices and pseudo implementation
(1 Question)
- Q1. Stress situation, design question
(1 Question)
- Q1. Why do you want to join, expectation
- Ans.
I want to join to contribute my technical expertise and leadership skills, and I expect to work on challenging projects and grow professionally.
I am excited about the opportunity to lead technical teams and drive innovation.
I am looking forward to working on complex projects that will allow me to utilize my skills and knowledge.
I expect to collaborate with talented individuals and learn from them to further develop my ...
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