Novature Tech Interview Questions and Answers

Typically includes an executive summary, background information, a discussion of the findings, proposed solutions, and a conclusion. This reply all questions in detail with studies program

Q1. Questions asked in interviews to assess a candidate's technical knowledge and problem-solving skills. They can cover a range of topics, including programming languages, tools, and processes.
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Q2. How will joining be done in the company?
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Q1. Don't ask anything and I am setting the job recruitment and selection will be in detail this company
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Q2. Vi don't know asking any questions this company and no any doubt
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Q1. HR interviewers ask questions to learn about a candidate's skills, experience, and fit for the company culture. Some common questions include.
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Q2. It's their way of checking if you have any further inquiries about the role, the company, or the next steps in the hiring proces.
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Q1. Azure cloud platform tech
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Q2. Informatica tech stack ques
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Q1. Adf tech stack que
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Q2. Scd type 2 implementation
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SCD Type 2 implementation involves tracking historical changes in data by creating new records for each change.
• Identify the columns that need to be tracked for changes

• Add effective start and end dates to track the validity of each record

• Insert new records for changes and update end dates for previous records

• Maintain a surrogate key to uniquely identify each version of the record
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Q1. Dw related que ans
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Q2. Solution design related que
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Q1. Aspiration from my end
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Q2. How soon can join
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I can join the team within 2 weeks.
• I can start within 2 weeks of receiving the offer.

• I need to give notice to my current employer.

• I may need to relocate, which could affect my start date.
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Q1. API Gateway implementation
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Q2. Circuit breaker implementation
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Q3. What is deadlock? How to avoid it?
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Q4. Explain equals() method
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Q5. How mongodb was integrated in your application?
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Q6. What is hibernate?
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Q7. Runnable vs Callable interface
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Q8. Which type of data is returned by Callable interface?
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Q9. HashMap internal working
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Q10. Concurrent HashMap internal working
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Q11. How to monitor health of your application?
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Q12. How to call an API in a Microservice architecture?
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Q13. Explain Profiles
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Q14. What is OpenFeign, and how is it used in microservices architecture?
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Q15. What is the implementation process for service registry and discovery?
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Q16. What are Spring boot actuators?
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Q17. Synchronous vs Asynchronous communication
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Q18. Explain Synchronized keyword
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Q19. What are the consequences of excessively using synchronized blocks and methods in Java?
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Q20. How can you determine the number of threads needed for your application?
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Q21. Explain Executor framework
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Q22. Explain BlockingQueue
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Q1. Why did you leave your previous company?
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Q2. Other basic questions asked regarding the relevant skills and technologies I have worked with.
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Q1. What are the different sizes available for a virtual warehouse in Snowflake, and which sizes are currently being utilized in your current project?
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Q2. What are stored procedures in Snowflake, and how did you utilize them?
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Q1. How did you verify the data after transferring it from one database to another?
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Q2. What are the different types of duplicate checks that can be performed using SQL queries?
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Q1. Are you open to relocating to Hyderabad?
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Q2. What information do you have about ValueLabs?
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Q1. React hooks, nodejs routing, metadata, aws deployment process, microservices, dom, event loop
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Q1. Core java concepts concepts , multithreading, spring boot,jpa ,MySQL ,api
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Q2. Collection framework , java8, coding Questions 2 nd largest number find
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Q1. Only salary discussed
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It's walkin, so they conducted 1 technical mcqs round.

Q1. Multi threading
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Q2. Internal working of hashmap
Ans. 
HashMap in Java is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.
• HashMap uses an array of buckets to store key-value pairs.

• Keys are hashed to determine the index in the array where the key-value pair will be stored.

• In case of hash collisions, a linked list or a balanced tree is used to store multiple key-value pairs in the same bucket.

• HashMap allows null keys...read more
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Q3. Spring batch related
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Q4. Non repeating characters in a array
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Function to find and return all non-repeating characters in an array of strings.
• Iterate through the array and count the occurrences of each character using a HashMap.

• Then iterate through the array again and check if the count of each character is 1, if so add it to the result list.

• Return the list of non-repeating characters.
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Q5. 3rd highest salary
Ans. 
To find the 3rd highest salary in a database, we can use a SQL query with the 'LIMIT' and 'OFFSET' keywords.
• Use a SQL query with 'ORDER BY salary DESC' to sort the salaries in descending order.

• Use 'LIMIT 1 OFFSET 2' to skip the first two highest salaries and retrieve the third highest salary.

• Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 1 OFFSET 2;
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Q6. Qualifier vs primary
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A qualifier in Java is used to specify additional information about a primary, which is the main data type or variable.
• A primary in Java is the main data type or variable, while a qualifier provides additional information about the primary.

• Qualifiers can be used to modify the behavior or characteristics of a primary.

• For example, in Java, 'final' is a qualifier that can be used to make a variable constant.
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Q7. Controller vs restcontroller
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The main difference is that @RestController is a specialized version of @Controller that is used for RESTful web services.
• Both @Controller and @RestController are used in Spring MVC to handle HTTP requests, but @RestController is specifically used for RESTful web services.

• @Controller is used to create web pages, while @RestController is used to return data in JSON or XML format.

• @RestController is a convenience annotati...read more
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Q8. Spring boot annotataions
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Q9. Oops concepts with examples
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OOP concepts include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class. Example: class Dog extends Animal.

• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: private variables with public getter and setter methods.

• Polymorphism: Ability for objects to be treated as instances of their paren...read more
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Q10. Spring batch configuration
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Q11. They covered all java, spring and Microservices
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Q1. Microservices architecture
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Q2. How do Microservices communicate
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Microservices communicate with each other through various communication protocols like HTTP, messaging queues, and gRPC.
• Microservices can communicate over HTTP using RESTful APIs.

• Messaging queues like RabbitMQ or Kafka can be used for asynchronous communication between microservices.

• gRPC is a high-performance, open-source RPC framework that can be used for communication between microservices.

• Service discovery mechanism...read more
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Q3. How to access the Microservice end point
Ans. 
Microservice endpoints can be accessed using HTTP requests with the appropriate URL
• Use HTTP methods like GET, POST, PUT, DELETE to interact with the microservice

• Construct the URL with the base URL of the microservice and the specific endpoint path

• Include any necessary headers or parameters in the request for authentication or data filtering
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Q4. Why we use microservices
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Microservices allow for modular, scalable, and flexible software development by breaking down applications into smaller, independent services.
• Microservices enable easier maintenance and updates as each service can be developed, deployed, and scaled independently.

• They improve fault isolation, as failures in one service do not necessarily affect the entire application.

• Microservices promote agility and faster time-to-mark...read more
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Q1. What is polymorphism,generator,decorator? List vs tuple?
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Polymorphism allows objects of different classes to be treated as objects of a common superclass. Generators produce items one at a time. Decorators add functionality to existing functions or methods.
• Polymorphism: Enables objects of different classes to be treated as objects of a common superclass. Example: Animal superclass with Dog and Cat subclasses.

• Generator: Produces items one at a time, allowing for efficient mem...read more
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Q2. TFIDF, BOW What is embedding why important how to craete embeddings?
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Embeddings are a way to represent words or phrases as vectors in a high-dimensional space, capturing semantic relationships.
• Embeddings are important for tasks like natural language processing, where words need to be represented in a meaningful way.

• They can be created using techniques like Word2Vec, GloVe, or using neural networks like Word Embeddings.

• Embeddings help in capturing semantic relationships between words, al...read more
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Q3. What is Encoder decoder explain with example?
Ans. 
Encoder-decoder is a neural network architecture used for tasks like machine translation.
• Encoder processes input data and generates a fixed-length representation

• Decoder uses the representation to generate output sequence

• Example: Seq2Seq model for translating English to French
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Q4. What is stop word? We need to remove in every application or not tell me example when stop words are importan?
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Q1. Concepts of Business analyst, project experience, knowledge about the tools used for business processing
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Q1. Technical details about telecom domain
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Q2. Use cases about 5G & AI ML
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5G and AI/ML use cases are revolutionizing industries by enabling faster data processing and decision-making.
• 5G enabling real-time data transmission for AI/ML algorithms

• AI/ML optimizing network performance and resource allocation in 5G networks

• AI-powered predictive maintenance for 5G infrastructure

• AI-driven personalized content delivery over 5G networks

• AI/ML enhancing cybersecurity measures in 5G networks
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