Blue Altair Interview Questions and Answers

Q1. What is service in Kubernetes
Ans. 
A service in Kubernetes is an abstraction that defines a logical set of pods and a policy by which to access them.
• Services allow communication between different parts of an application or between different applications in a Kubernetes cluster

• Services can be of different types such as ClusterIP, NodePort, LoadBalancer, and ExternalName

• Services can be exposed internally within the cluster or externally to the internet

• Ser...read more
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Q2. What are devops best practices
Ans. 
DevOps best practices include automation, collaboration, continuous integration, continuous delivery, monitoring, and infrastructure as code.
• Automation of repetitive tasks to increase efficiency

• Collaboration between development and operations teams for faster delivery

• Continuous integration to regularly merge code changes into a shared repository

• Continuous delivery to automate the deployment process

• Monitoring of applica...read more
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Q1. Describe experience you have.
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Q2. Share knowledge on project you are working.
Ans. 
Currently, I'm working on automated testing frameworks and enhancing CI/CD pipelines for various applications.
• Developing a robust automated testing framework using Selenium and TestNG for a web application.

• Implementing performance testing using JMeter to ensure application scalability under load.

• Enhancing CI/CD pipelines with Jenkins to automate deployment and testing processes.

• Collaborating with developers to create u...read more
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Q3. How would you rate your self on Java?
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Q4. What is OOPs concenpt?
Ans. 
OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOPs focuses on creating objects that interact with each other to solve a problem

• Key principles of OOPs include encapsulation, inheritance, and polymorphism

• Encapsulation allows objects to hide their internal state and require all interaction to be ...read more
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Q5. Write a queryto have Distinct records
Ans. 
Use SELECT DISTINCT to retrieve unique records from a table
• Use SELECT DISTINCT column_name FROM table_name to retrieve unique values from a specific column

• Use SELECT DISTINCT * FROM table_name to retrieve unique records from the entire table
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Basic Apti questions for freshers

Coding questions and technical questions- OS, DBMS, CN, DSA, etc

Q1. Project based, SQL, Technical understanding
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Q1. Why we should hire you, how will you help to grow the organisation
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Q1. Types of exception List and set Types of testing
Ans. 
Types of exception: List and Set. Types of testing: Unit, Integration, System, Acceptance.
• List and Set are types of unchecked exceptions in Java.

• Unit testing is done on individual units of code.

• Integration testing is done to test the interaction between different units of code.

• System testing is done to test the entire system as a whole.

• Acceptance testing is done to ensure that the system meets the requirements of the c...read more
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Q1. Be confident and communicate properly
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