Trendlyne Technologies Interview Questions and Answers

Q1. Are you looking for job change?
Ans. 
Yes, I am open to exploring new opportunities.
• I am looking for a role that aligns with my career goals and allows me to grow professionally.

• I am interested in learning about the company culture and the team dynamics.

• I am excited to bring my skills and experience to a new challenge.

• I am open to discussing potential opportunities and seeing if they are a good fit for both parties.
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Q2. How many years of experience you have?
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I have X years of experience in DevOps.
• I have worked in various DevOps roles for X years.

• I have experience in implementing continuous integration and delivery pipelines.

• I have worked with tools such as Jenkins, Git, Docker, and Kubernetes.

• I have experience in automating infrastructure using tools like Terraform and Ansible.

• I have worked with cloud platforms such as AWS and Azure.

• I have experience in monitoring and logg
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Q3. Tell me about youself?
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I am a DevOps Engineer with experience in automation, cloud computing, and continuous integration/continuous deployment (CI/CD) pipelines.
• I have experience with tools such as Jenkins, Ansible, and Terraform.

• I am skilled in scripting languages such as Python and Bash.

• I have worked with cloud platforms such as AWS and Azure.

• I am familiar with containerization technologies such as Docker and Kubernetes.

• I have experience i...read more
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Q4. What is your current location?
Ans. 
I am currently located in New York City.
• I am based in the United States.

• I am in the Eastern Time Zone.

• I am in a bustling urban environment.

• I have access to a variety of technology resources and meetups.
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Q5. What is your current CTC?
Ans. 
I prefer not to disclose my current CTC.
• I believe that my salary expectations are in line with industry standards for this role.

• I am more interested in discussing the responsibilities and opportunities of this position.

• I am open to negotiation based on the overall compensation package offered.
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Q6. What is your expected CTC?
Ans. 
My expected CTC is negotiable based on the job responsibilities and market standards.
• I am open to discussing the salary range for this position.

• I have researched the market standards for this role and have a general idea of the expected salary range.

• I am looking for a fair compensation package that aligns with my skills and experience.

• I am willing to consider other benefits and perks in addition to the salary.

• I am open...read more
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Q7. What is your notice period?
Ans. 
My notice period is 2 months.
• I am currently under a 2-month notice period.

• I will be available to start a new job after the notice period is over.

• I can negotiate the notice period if required.
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Q8. When you are available for interview?
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Q1. Introduce yourself? day to day activity? which project you are working on? which are your core technology?
Ans. 
I am a DevOps Engineer with experience in managing cloud infrastructure and automating deployment pipelines.
• My day to day activities involve managing and monitoring cloud infrastructure on AWS and Azure.

• I am currently working on a project to automate the deployment of microservices using Kubernetes and Jenkins.

• My core technologies include AWS, Azure, Kubernetes, Docker, Jenkins, and Ansible.
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Q2. Explain pipeline whatever you can write in code how will you deploy the code ? tell me just steps?
Ans. 
Pipeline is a set of automated processes that build, test, and deploy code changes.
• Create a code repository

• Write code and commit changes to the repository

• Trigger a build process to compile and package the code

• Run automated tests to ensure code quality

• Deploy the code to a staging environment for further testing

• If tests pass, deploy the code to production environment

• Monitor the application for issues and repeat the proce
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Q3. What is NAT gateway?
Ans. 
NAT gateway is a network device that enables instances in a private subnet to connect to the internet.
• Acts as a bridge between instances in a private subnet and the internet

• Provides a public IP address to instances in the private subnet

• Translates the private IP addresses of instances to the public IP address

• Helps in securing instances in the private subnet by not exposing their private IP addresses to the internet
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Q4. If you want to connect multiple vpc ,we have 2 or 3 vpc, you have to connect ec2 to each vpc? so how you can achieve that?
Ans. 
To connect multiple VPCs, we can use VPC peering or VPN connections.
• Create a VPC peering connection between the VPCs

• Configure route tables to allow traffic between the VPCs

• Alternatively, create VPN connections between the VPCs

• Attach EC2 instances to the appropriate VPCs
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Q5. What is auto scaling?
Ans. 
Auto scaling is a cloud computing feature that automatically adjusts the number of computing resources based on demand.
• Auto scaling helps to maintain optimal performance and reduce costs.

• It can be used for web applications, databases, and other services.

• Examples of auto scaling services include AWS Auto Scaling, Google Cloud Autoscaler, and Azure Autoscale.

• Auto scaling can be based on various metrics such as CPU usage,
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Q6. In your daily work what type of issues you are facing?
Ans. 
I face various issues related to infrastructure, deployment, and automation.
• Infrastructure issues such as network connectivity, server downtime, and hardware failures.

• Deployment issues such as version control, configuration management, and release management.

• Automation issues such as scripting errors, tool integration, and workflow optimization.

• Examples include troubleshooting network connectivity issues, resolving con...read more
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Q7. What are you run in ansible?
Ans. 
Ansible is used to automate configuration management, application deployment, and task automation.
• Ansible is used to manage configurations of servers, network devices, and cloud infrastructure.

• It is used for application deployment and orchestration.

• Ansible is also used for task automation such as backups, monitoring, and security updates.

• Examples include configuring web servers, deploying applications to cloud platform
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Q8. DevOps tools versions?
Ans. 
DevOps tools versions refer to the specific versions of tools used in the DevOps process.
• DevOps tools versions are important for ensuring compatibility and consistency in the DevOps pipeline.

• Examples of DevOps tools and their versions include Jenkins 2.289.1, Ansible 2.10.7, and Docker 20.10.7.

• Keeping track of DevOps tool versions can help with troubleshooting and identifying issues in the pipeline.
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Q9. What is the meaning of declarative pipeline?
Ans. 
Declarative pipeline is a Jenkins feature that allows defining pipelines using a simple, human-readable syntax.
• Declarative pipeline is based on YAML syntax

• It allows defining pipelines as code

• It provides a simpler and more structured way of defining pipelines compared to Scripted pipeline

• It enforces a strict structure and syntax for defining pipelines

• Declarative pipeline supports parallelism, stages, and steps

• Declarativ...read more
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Q10. What is meaning of transite gateway? why we can use transite gateway?
Ans. 
Transit Gateway is a network transit hub that enables interconnectivity between virtual private clouds (VPCs) and on-premises networks.
• Transit Gateway simplifies network architecture by allowing multiple VPCs and VPN connections to connect to a single gateway.

• It provides a hub-and-spoke model for connecting VPCs and on-premises networks.

• Transit Gateway also supports routing between VPCs and on-premises networks, and ca...read more
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Q11. From where you can download 3rd party libraries which you created during deployment?
Ans. 
Third-party libraries can be downloaded from package managers or repositories.
• Package managers like npm, pip, and Maven can be used to download third-party libraries.

• Repositories like GitHub, GitLab, and Bitbucket can also be used to download libraries.

• Some cloud providers like AWS and Azure have their own repositories for third-party libraries.

• Libraries can also be downloaded from the official website of the library o
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Q12. What is ssh offloading?
Ans. 
SSH offloading is the process of redirecting SSH traffic from a server to a dedicated device for improved security and performance.
• SSH offloading can be done using hardware or software solutions.

• It can help reduce the load on the server and improve network performance.

• Examples of SSH offloading devices include load balancers and firewalls.

• SSH offloading can also improve security by isolating SSH traffic from other netw
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Q13. For tomcat security and harden, what precaution you can taken?
Ans. 
To secure and harden Tomcat, several precautions can be taken.
• Disable unused connectors and ports

• Use SSL/TLS encryption for secure communication

• Implement access control and authentication mechanisms

• Regularly update Tomcat and its dependencies

• Configure logging and monitoring for security events
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Q14. Tell me filter command in Linux?
Ans. 
Filter command in Linux is used to filter out specific data from a file or output.
• The basic syntax of the filter command is 'command | filter'.

• Commonly used filter commands are grep, sed, awk, cut, sort, uniq, etc.

• grep is used to search for a specific pattern in a file or output.

• sed is used to perform text transformations on a file or output.

• awk is used to process and manipulate text data.

• cut is used to extract specifi...read more
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Q15. How can you check services in listen mode?
Ans. 
To check services in listen mode, use netstat command.
• Open command prompt/terminal

• Type 'netstat -an' command

• Look for services in 'LISTEN' state

• Note down the port number and service name

• Use the information to troubleshoot or manage the service
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Q16. How can you check listen ports?
Ans. 
To check listen ports, use netstat command in terminal.
• Open terminal/command prompt

• Type 'netstat -tuln' command

• This will display all the listening ports on the system
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Q17. Difference between yum and rpm?
Ans. 
yum is a package manager that resolves dependencies and installs packages from repositories, while rpm is a low-level package manager that installs packages from files.
• yum is a high-level package manager that uses rpm as its underlying package manager

• yum resolves dependencies automatically and installs packages from repositories

• rpm is a low-level package manager that installs packages from files

• rpm does not resolve dep...read more
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Q18. Tell me the process yum faces from the internet?
Ans. 
Yum downloads packages from internet repositories and installs them on the system.
• Yum retrieves package information from configured repositories

• It checks for dependencies and downloads required packages

• Packages are installed on the system

• Yum also updates packages if newer versions are available

• Yum caches downloaded packages for future use
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Q19. From where the changes reflect, when new user created? major changes? from which file password has been stored?
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Q20. How to set password policy?
Ans. 
Password policy can be set by defining rules for password complexity, expiration, length, and history.
• Define password complexity rules such as requiring a mix of uppercase and lowercase letters, numbers, and special characters

• Set password expiration to ensure passwords are changed regularly

• Define minimum password length

• Set password history to prevent users from reusing old passwords

• Educate users on password best practi
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Q21. Your container running service is up but you are facing any issue , how to troubleshoot them?
Ans. 
To troubleshoot issues with a running container service, follow these steps:
• Check the logs of the container to identify any errors or warnings

• Verify that the container is running on the correct port and IP address

• Check the network connectivity between the container and other services

• Verify that the container has access to the required resources and dependencies

• Restart the container or redeploy the service if necessary
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Q22. How to troubleshoot when ec2 has not access to me?
Ans. 
To troubleshoot EC2 not having access to me, check security groups, network ACLs, and routing tables.
• Check if the EC2 instance is in the correct security group

• Verify that the security group allows inbound traffic from your IP address or CIDR block

• Check if there are any network ACLs that may be blocking traffic

• Verify that the routing table is correctly configured

• Check if there are any firewall rules on your local machin...read more
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Q23. How to work DNS in Linux ? what is the record of DNS?
Ans. 
DNS in Linux is managed through configuration files and commands. DNS records contain information about domain names and IP addresses.
• DNS in Linux is managed through the /etc/resolv.conf file which contains the IP addresses of DNS servers.

• The 'nslookup' command can be used to query DNS records for a specific domain name.

• DNS records include A records (IP address), MX records (mail server), CNAME records (alias), and mor...read more
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Q1. Frontend Based Question
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Q1. UI Coding round
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Q1. Managerial Round
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Q1. Tell me about yourself, what is your role in your company, list of the situation where you have under gone difficult situation.
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Given a sample data to create a dashboard

Q1. They concentrate on Core java
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Q2. 1. Polymorphism 2. Strings 3. hashMap implementation
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