Gautam Budh Balak Inter College Interview Questions and Answers

To check if a pod in ReplicaSet went down or failed, monitor the pod status, logs, and events.

• Monitor the pod status using kubectl get pods command

• Check the pod logs for any error messages using kubectl logs command

• Review the events related to the pod using kubectl describe pod command

• Set up alerts or notifications for pod failures using monitoring tools like Prometheus or Grafana

Modules in Terraform are reusable components that allow you to encapsulate and organize your infrastructure code.

• Modules help in breaking down complex infrastructure into smaller, manageable components

• They promote reusability and maintainability of code

• Modules can be shared and used across different projects

• Example: Creating a module for provisioning a virtual machine in Azure

Use encrypted variables, limit access to credentials, and utilize secure storage solutions.

• Encrypt sensitive variables using tools like Vault or AWS KMS

• Limit access to credentials by using least privilege principles

• Store credentials securely in a password manager or key vault

• Avoid hardcoding credentials in Terraform configuration files

CICD stages include build, test, deploy, and monitor. Common issues include integration challenges and pipeline failures.

• Stages: Build, Test, Deploy, Monitor

• Issues: Integration challenges, Pipeline failures

• Example: Integration challenges with third-party tools delaying deployment

Yes, I am capable of working in various roles such as DevOps, Cloud, and Development.

• I have experience and skills in DevOps practices such as automation, CI/CD, and infrastructure as code.

• I am proficient in cloud technologies like AWS, Azure, or Google Cloud Platform.

• I have a strong background in software development with expertise in languages like Python, Java, or JavaScript.

VPC is a virtual private cloud that allows you to create isolated networks, NAT Gateway enables instances in a private subnet to connect to the internet, NACL controls inbound and outbound traffic at the subnet level, SG controls traffic at the instance level.

• VPC is a virtual network in the cloud that you can define and customize, providing a secure environment for your resources.

• NAT Gateway allows instances in a private subnet to access the internet while remaining private.

• N...read more

A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.

• Start with a base image

• Use the FROM keyword to specify the base image

• Add any necessary dependencies using the RUN keyword

• Copy application code into the image using the COPY keyword

• Expose any necessary ports using the EXPOSE keyword

• Specify the command to run when the container starts using the CMD keyword

The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.

• The OSI model stands for Open Systems Interconnection model.

• It helps in understanding how data is transmitted over a network.

• The seven layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and interacts with adjacent layers.

• For example, the Physical layer deals with the phys...read more