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TCS Devops Engineer Interview Questions and Answers
37 Interview questions
NVM (Node Version Manager) is a tool for managing multiple Node.js versions on a single machine.
Allows users to install and switch between different Node.js versions easily.
Example: `nvm install 14.17.0` installs Node.js version 14.17.0.
Example: `nvm use 14.17.0` switches to using Node.js version 14.17.0.
Helps in testing applications across different Node.js versions.
Supports version management for both global and...
Python syntax is the set of rules that defines the combinations of symbols that are considered to be correctly structured programs in Python.
Python uses indentation to define code blocks. Example: 'if condition: do_something()'
Variables are created by assignment. Example: 'x = 10'
Functions are defined using 'def'. Example: 'def my_function(): pass'
Comments start with '#' and are ignored by the interpreter....
High availability in cloud computing ensures systems are operational and accessible with minimal downtime through redundancy and failover strategies.
Use multiple availability zones (AZs) to distribute resources; for example, AWS allows deploying instances across different AZs.
Implement load balancing to distribute traffic evenly across servers, ensuring no single point of failure; services like AWS Elastic Load Ba...
Implementing best security practices in AWS is crucial for protecting data and resources in the cloud environment.
Use IAM roles and policies to enforce the principle of least privilege.
Enable Multi-Factor Authentication (MFA) for all users, especially for root accounts.
Regularly audit and monitor AWS CloudTrail logs for unusual activity.
Utilize AWS Security Groups and Network ACLs to control inbound and outbound t...
What people are saying about TCS
Effective monitoring and troubleshooting in Kubernetes involves using tools and practices to ensure application health and performance.
Use Kubernetes built-in tools like 'kubectl' for real-time monitoring and troubleshooting.
Implement logging solutions like Fluentd or ELK stack to aggregate logs from all pods.
Utilize metrics collection tools like Prometheus to monitor resource usage and application performance.
Set...
IAAS, PAAS, and SAAS are cloud service models in AWS, differing in management levels and user control.
IAAS (Infrastructure as a Service): Provides virtualized computing resources over the internet. Example: Amazon EC2.
PAAS (Platform as a Service): Offers hardware and software tools over the internet, allowing developers to build applications. Example: AWS Elastic Beanstalk.
SAAS (Software as a Service): Delivers so...
DevOps engineers are responsible for bridging the gap between development and operations teams to streamline the software delivery process.
Collaborate with developers, IT operations, and other stakeholders to automate and improve the software delivery process
Implement and manage continuous integration/continuous deployment (CI/CD) pipelines
Monitor and troubleshoot infrastructure and applications to ensure high ava...
A Jenkins pipeline to clone a Git repository and execute multiple steps in a single stage.
Use 'pipeline' block to define the Jenkins pipeline structure.
Utilize 'stages' to organize the pipeline into distinct phases.
In a single 'stage', use 'steps' to run multiple commands sequentially.
Example: 'git clone https://github.com/user/repo.git' to clone the repository.
Follow with build commands like 'sh build.sh' or 'mvn...
Bash is a Unix shell and command language used in DevOps for scripting and automation tasks.
Bash is a command processor that typically runs in a text window where the user types commands that cause actions.
It is commonly used in DevOps for writing scripts to automate tasks such as deployment, configuration, and monitoring.
Bash scripts can be used to execute a series of commands in sequence, handle errors, and perf...
Docker is used to create container images that can be run as pods in Kubernetes.
Docker is used to create lightweight, portable container images that contain all the dependencies needed to run an application.
Kubernetes (k8s) is a container orchestration platform that manages the deployment, scaling, and operation of containerized applications.
By creating Docker images, developers can package their applications and ...
TCS Devops Engineer Interview Experiences
54 interviews found
hemanth kumar
Selected
I applied via Approached by Company and was interviewed in Nov 2024. There was 1 interview round.
(4 Questions)
- Q1. What is the difference between IAAS, PAAS, SAAS in AWS?
- Ans.
IAAS, PAAS, and SAAS are cloud service models in AWS, differing in management levels and user control.
IAAS (Infrastructure as a Service): Provides virtualized computing resources over the internet. Example: Amazon EC2.
PAAS (Platform as a Service): Offers hardware and software tools over the internet, allowing developers to build applications. Example: AWS Elastic Beanstalk.
SAAS (Software as a Service): Delivers softwar...
- Q2. How do you ensure high availability in cloud computing?
- Ans.
High availability in cloud computing ensures systems are operational and accessible with minimal downtime through redundancy and failover strategies.
Use multiple availability zones (AZs) to distribute resources; for example, AWS allows deploying instances across different AZs.
Implement load balancing to distribute traffic evenly across servers, ensuring no single point of failure; services like AWS Elastic Load Balance...
- Q3. How you monitor and troubleshoot in kubernetes?
- Ans.
Effective monitoring and troubleshooting in Kubernetes involves using tools and practices to ensure application health and performance.
Use Kubernetes built-in tools like 'kubectl' for real-time monitoring and troubleshooting.
Implement logging solutions like Fluentd or ELK stack to aggregate logs from all pods.
Utilize metrics collection tools like Prometheus to monitor resource usage and application performance.
Set up a...
- Q4. Tell the best security practices in AWS cloud?
- Ans.
Implementing best security practices in AWS is crucial for protecting data and resources in the cloud environment.
Use IAM roles and policies to enforce the principle of least privilege.
Enable Multi-Factor Authentication (MFA) for all users, especially for root accounts.
Regularly audit and monitor AWS CloudTrail logs for unusual activity.
Utilize AWS Security Groups and Network ACLs to control inbound and outbound traffi...
Interview Preparation Tips
- aws
- kubernetes
Skills evaluated in this interview
Anonymous
I appeared for an interview in Jan 2025.
The aptitude test is designed to assess knowledge.
(2 Questions)
- Q1. What technical questions did you study in your course?
- Ans.
Studied technical questions related to networking, programming languages, databases, and system administration.
Networking concepts like TCP/IP, DNS, DHCP
Programming languages such as Python, Java, Shell scripting
Database management including SQL queries, normalization
System administration tasks like user management, file permissions
- Q2. What course did you study, and what were its core subjects?
- Ans.
I studied Computer Science with core subjects in programming, algorithms, databases, and networking.
Studied Computer Science with focus on programming languages like Java, C++, Python
Core subjects included algorithms and data structures
Also studied databases and networking principles
Took courses in software engineering and system administration
(1 Question)
- Q1. Introduction , communication skills will be noticed in HR round
I applied via Naukri.com and was interviewed in Sep 2024. There were 2 interview rounds.
(4 Questions)
- Q1. Question on Python Basics, Linux and scenario based on Jenkins
- Q2. Python List, str manipulation
- Q3. Linux Basics on grep , awk , regular expression
- Q4. Scenario based on Jenkins - About Jenkins pipeline , task, how to handles jenkins CLI
(2 Questions)
- Q1. Python Medium questions on Linux , file handling, regular expression
- Q2. Jenkins pipeline, write simple pipeline from git clone, run multiple steps in single stage for any project
- Ans.
A Jenkins pipeline to clone a Git repository and execute multiple steps in a single stage.
Use 'pipeline' block to define the Jenkins pipeline structure.
Utilize 'stages' to organize the pipeline into distinct phases.
In a single 'stage', use 'steps' to run multiple commands sequentially.
Example: 'git clone https://github.com/user/repo.git' to clone the repository.
Follow with build commands like 'sh build.sh' or 'mvn clea...
Interview Preparation Tips
Well prepare on python, jenkins, Linux, Docker, Git, Github, Github related open sources for code review
I applied via LinkedIn and was interviewed in Oct 2024. There were 3 interview rounds.
Asked few string based questions
(1 Question)
- Q1. What does devops engineer do
- Ans.
DevOps engineers are responsible for bridging the gap between development and operations teams to streamline the software delivery process.
Collaborate with developers, IT operations, and other stakeholders to automate and improve the software delivery process
Implement and manage continuous integration/continuous deployment (CI/CD) pipelines
Monitor and troubleshoot infrastructure and applications to ensure high availabi...
(1 Question)
- Q1. Explain roles and responsibilities
- Ans.
DevOps Engineers bridge development and operations, ensuring efficient software delivery and infrastructure management.
Collaboration: Work closely with development and operations teams to streamline processes.
Automation: Implement CI/CD pipelines to automate testing and deployment, e.g., using Jenkins or GitLab CI.
Monitoring: Set up monitoring tools like Prometheus or Grafana to track application performance and system...
Skills evaluated in this interview
(4 Questions)
- Q1. Explain about Service Connection in Azure Devops
- Ans.
Service Connection in Azure DevOps is a secure way to connect to external services or systems.
Service connections are used to securely connect Azure DevOps to external services like Azure, GitHub, or Jenkins.
They store the credentials and details needed to connect to the external service.
Service connections can be used in pipelines to trigger actions or deployments in external services.
They help in maintaining a secure...
- Q2. Explain about Blob storage
- Ans.
Blob storage is a type of cloud storage that stores unstructured data as blobs (binary large objects).
Blob storage is commonly used for storing large amounts of unstructured data, such as images, videos, documents, backups, and logs.
Blobs can be accessed over HTTP or HTTPS, making it easy to integrate with web applications.
Blob storage is scalable and durable, with built-in redundancy and high availability.
Examples of ...
- Q3. Explain about Azure Pipelines
- Ans.
Azure Pipelines is a cloud-based service for automating build and deployment processes.
Azure Pipelines allows for continuous integration and continuous delivery (CI/CD) of code.
It supports building, testing, and deploying code across different platforms and languages.
Azure Pipelines integrates with various version control systems like GitHub, Bitbucket, and Azure Repos.
It provides customizable workflows using YAML or v...
- Q4. Write a sample pipeline
- Ans.
A sample pipeline for a DevOps Engineer role
Set up a source code repository (e.g. GitHub)
Implement a CI/CD tool (e.g. Jenkins)
Define stages for build, test, and deployment
Integrate automated testing (e.g. Selenium)
Deploy to a staging environment for validation
Automate deployment to production
Interview Preparation Tips
Skills evaluated in this interview
(2 Questions)
- Q1. Experience and projects in present company.
- Ans.
I have worked on various projects in my current company, including implementing CI/CD pipelines, automating infrastructure deployment, and improving monitoring and alerting systems.
Implemented CI/CD pipelines using tools like Jenkins and GitLab
Automated infrastructure deployment using tools like Terraform and Ansible
Improved monitoring and alerting systems with tools like Prometheus and Grafana
- Q2. Salary Expected
- Ans.
I am looking for a competitive salary based on my experience and skills in the DevOps field.
I am open to discussing salary based on the responsibilities and requirements of the role.
I have a strong background in DevOps and believe my skills warrant a competitive salary.
I am looking for a salary that reflects the market rate for DevOps Engineers in this region.
I am also open to discussing additional benefits or perks as...
(2 Questions)
- Q1. Linux Commands and OS related
- Q2. Git, GitHub, Docker, AWS questions.
Muskan Sharma
(2 Questions)
- Q1. What is DevOps , CICD?
- Ans.
DevOps is a software development methodology that combines software development (Dev) with IT operations (Ops) to shorten the systems development life cycle.
DevOps focuses on collaboration, automation, and integration between developers and IT operations teams.
Continuous Integration (CI) is the practice of merging code changes into a shared repository frequently, which triggers automated builds and tests.
Continuous Dep...
- Q2. Questions on Kubernetes. It was easy.
(1 Question)
- Q1. What salary do you want?
- Ans.
I am looking for a competitive salary based on my experience, skills, and the market rate for Devops Engineers.
Research the average salary range for Devops Engineers in your location and industry.
Consider your years of experience, certifications, and specialized skills when determining your desired salary.
Be prepared to negotiate based on the overall compensation package offered by the company.
Provide a salary range ra...
Interview Preparation Tips
Skills evaluated in this interview
(2 Questions)
- Q1. Devops practices day to day activities
- Ans.
Devops practices involve continuous integration, continuous delivery, automation, monitoring, and collaboration.
Implementing continuous integration and continuous delivery pipelines
Automating infrastructure provisioning and configuration management
Monitoring system performance and health
Collaborating with development and operations teams
Implementing version control and code review processes
- Q2. Jenkins pipeline set up
(2 Questions)
- Q1. What are the stages you have in your ci pipeline
- Ans.
The stages in a CI pipeline typically include code checkout, build, test, deploy, and release.
Code checkout: Pulling the latest code from the repository
Build: Compiling the code and generating artifacts
Test: Running automated tests to ensure code quality
Deploy: Deploying the application to a testing environment
Release: Promoting the application to production
- Q2. What are the recent technical challenges you have faced and what you did to fix that
Skills evaluated in this interview
CI/CD implementation and ansible code walkthr
(1 Question)
- Q1. Introduction tell me about yourself
TCS Interview FAQs
The duration of TCS Devops Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.
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Overall Interview Experience Rating
based on 57 interview experiences
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