Lentra AI Interview Questions, Process, and Tips

Basic aptitude
Number system
Blood relation
Coding and decoding

Arrays
Strings
Stack
Queqs
De que

Basic codings like fibonacci

Q1. Tell abut youself
Ans. 
Experienced Python developer with a passion for creating efficient and scalable software solutions.
• Over 5 years of experience in Python development

• Strong understanding of data structures and algorithms

• Proficient in working with frameworks like Django and Flask

• Experience with database management systems like MySQL and PostgreSQL

• Familiarity with version control systems like Git
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Q1. Are you with job
Ans. 
No, I am currently looking for a new job opportunity.
• Currently seeking new job opportunities

• Open to discussing potential roles

• Actively networking and applying to positions
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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?
Ans. 
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?
Ans. 
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. Work process of how the design approach
Ans. 
The design approach involves research, ideation, prototyping, testing, and iteration.
• Research: Gather information about the problem, target audience, and competitors.

• Ideation: Brainstorm and generate ideas for potential solutions.

• Prototyping: Create rough drafts or mockups to visualize the design.

• Testing: Gather feedback from users to evaluate the effectiveness of the design.

• Iteration: Make improvements based on feedba
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Q1. Questions will be Introduce yourself, Java and OOPs concepts, Regression Testing, Intgration Testing
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Q2. Basic questions regarding testing, real time scenarios questions
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Q1. Tell me about your project, Where you used OOPs concepts in your project
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Q2. Investment banking working and flow
Ans. 
Investment banking involves providing financial services to corporations, governments, and other institutions.
• Investment banks help companies raise capital by underwriting and selling securities.

• They also provide advisory services for mergers and acquisitions, and other financial transactions.

• Investment banking involves a complex flow of activities, including research, analysis, due diligence, and risk management.

• Examp...read more
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