Coforge Interview Questions, Process, and Tips

Q1. Questions related to Airline domain mostly- GDS, others
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Q2. HTTP methods in API - post, put, patch, error codes
Ans. 
HTTP methods in API include post, put, patch, and error codes for handling requests and responses.
• POST method is used to create a new resource on the server

• PUT method is used to update an existing resource on the server

• PATCH method is used to partially update an existing resource on the server

• Error codes such as 400 for Bad Request, 404 for Not Found, and 500 for Internal Server Error are used to indicate the status of
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Q3. Introduction , current role
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Mixed questions from aptitude, reasoning and english questions.

Q1. Basic questions from Manual Testing and SQL
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Q1. Basic interview and salary discussion
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Q1. How the elastic stack work?
Ans. 
The Elastic Stack is a collection of open-source tools for data ingestion, storage, search, and visualization.
• Elasticsearch is used for storing and searching data

• Logstash is used for data collection and processing

• Kibana is used for data visualization and analysis

• Beats are lightweight data shippers that send data from edge machines to Elasticsearch or Logstash
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Q1. What are distributes transactions and how these can be handled in microservices
Ans. 
Distributed transactions involve multiple systems coordinating to ensure data consistency across different services in a microservices architecture.
• Distributed transactions involve multiple services or databases working together to ensure data consistency.

• In microservices, handling distributed transactions can be challenging due to the decentralized nature of the architecture.

• One approach to handling distributed transa...read more
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Q2. Spring boot @Transactional annotation working
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Calculate the sum between two positive integers in an array.

Q1. Where Observer pattern used in SpringBoot?
Ans. 
The Observer pattern is used in SpringBoot for implementing event handling and notification mechanisms.
• The Observer pattern is commonly used in SpringBoot for implementing event listeners and publishers.

• It allows objects to subscribe to and receive notifications about changes or events in other objects.

• Spring's ApplicationEvent and ApplicationListener interfaces are examples of the Observer pattern in action.

• Listeners ...read more
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Q2. Explain L and D in SOLID with examples?
Ans. 
Liskov Substitution Principle (L) and Dependency Inversion Principle (D) in SOLID
• Liskov Substitution Principle (L) states that objects of a superclass should be replaceable with objects of its subclasses without affecting the program's correctness.

• Dependency Inversion Principle (D) states that high-level modules should not depend on low-level modules. Both should depend on abstractions.

• Example for Liskov Substitution P...read more
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Q3. How ErrorHandling is done in your project?
Ans. 
Error handling in our project is implemented using try-catch blocks and custom exception classes.
• We use try-catch blocks to catch exceptions and handle them appropriately.

• We have custom exception classes for specific types of errors to provide more detailed information.

• We log errors to a centralized logging system for monitoring and troubleshooting.

• We have defined error codes and messages for easier identification and
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Q4. What is message retention period in Kafka in your project?
Ans. 
Message retention period in Kafka is 7 days.
• Message retention period is set to 7 days in our project configuration.

• This means that messages in Kafka topics will be retained for 7 days before being deleted.

• This retention period can be adjusted based on the specific requirements of the project.
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Write program to find occourance of character

Q1. Oops concepts like inheritance overriding
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Q2. Api automation question like serialization and deserialization
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Q1. What is your salary expectation
Ans. 
My salary expectation is based on my experience, skills, and the market rate for Automation Test Analyst roles.
• Consider my years of experience in automation testing

• Take into account my certifications and specialized skills

• Research the current market rate for Automation Test Analyst positions in this location

• Open to negotiation based on benefits package offered
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