Tata Digital Devops Interview Questions and Answers

Q1. What is Kubernettes ?
Ans. 
Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications.
• Kubernetes is used to manage and automate the deployment of containerized applications.

• It provides features like automatic scaling, load balancing, and self-healing.

• Kubernetes allows for easy management of containers across multiple hosts and clusters.

• It provides declarative...read more
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Q2. What is a container and why is the use?
Ans. 
A container is a lightweight, standalone executable package that contains everything needed to run an application.
• Containers provide a consistent and reproducible environment for applications to run in.

• They are isolated from the host system and other containers, providing security and portability.

• Containers can be easily deployed and scaled, making them ideal for modern application development and deployment.

• Examples o...read more
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Q3. Containers allow process to run in an isolated environment with its own virtual memory, CPU and storage.It differ from virtual machines such that unlike the OS being virtulaized , the folder that are call...read more
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Q1. What is kops cluster
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Q2. How will you configure high availability structure
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Q1. What is Docker and its advantages . Which is the most secure docker image
Ans. 
Docker is a containerization platform that allows developers to package and deploy applications in a portable manner.
• Advantages include: faster deployment, improved scalability, reduced infrastructure costs, and increased consistency across environments.

• The most secure Docker image is one that is regularly updated with security patches and has minimal dependencies.

• Examples of secure Docker images include those from off...read more
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It was1 hour apti test

Q1. What is devops?
Ans. 
DevOps is a software development methodology that combines software development (Dev) with IT operations (Ops) to improve collaboration and efficiency.
• DevOps focuses on automating and streamlining the software development process.

• It emphasizes communication and collaboration between development and operations teams.

• DevOps aims to shorten the development lifecycle and provide continuous delivery of high-quality software...read more
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Q1. Tell me about yourself
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They conducted an aptitude test and it was based on math and English basic and general knowledge

Based on your skill set they gave you assignments and based on the deadline you have to submit

Round duration - 60 minutes
Round difficulty - Easy

Round duration - 50 minutes
Round difficulty - Easy

Round duration - 60 minutes
Round difficulty - Easy

At the beginning of this round, the interviewer asked me about the data structures I knew. Linked lists, trees, graphs, arrays etc. was my answer. He asked me how well I knew Dynamic Programming. I said I wasn’t strong in that and he said that he would ask me a question on dynamic programming for sure.

Round duration - 40 minutes
Round difficulty - Easy

The interviewer asked me if I was comfortable with the interview process so far and how the previous interviews were. I said it was good and he gave me the first problem to solve.

Round duration - 60 minutes
Round difficulty - Easy

The interviewer asked me some Com­puter Sci­ence‍ fundamentals in this round as well as some behavioural questions.

Q1. Implement a Trie data structure and write functions to insert and search for a few words in it.
Ans. 
Implement a Trie data structure with insert and search functions.
• Create a TrieNode class with children and isEndOfWord attributes.

• Implement insert function to add words by iterating through characters.

• Implement search function to check if a word exists by traversing the Trie.

• Example: Insert 'apple', 'banana', 'orange' and search for 'apple' and 'grape'.
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