Dzinepixel Webstudios Interview Questions and Answers

Q1. Given a data set of hotel you need to find number of booking.
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Q2. SQL Query based upon join leetcode.
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Q1. How to recruit candidates?
Ans. 
Recruiting candidates involves creating a job description, sourcing candidates, screening resumes, conducting interviews, and making an offer.
• Create a clear and concise job description

• Source candidates through job boards, social media, referrals, and recruiting events

• Screen resumes to identify qualified candidates

• Conduct interviews to assess skills, experience, and cultural fit

• Make an offer to the top candidate
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Q2. What are the roles of an HR?
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Q1. Tell me something about yourself?
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Q2. What is your last qualification
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I have a Bachelor's degree in Marketing from XYZ University.
• Bachelor's degree in Marketing

• Obtained from XYZ University
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Q1. Understanding on the Profile, Experience,Attitude
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Assignment for a particular tpoic

Q1. Understanding the candidate experience and pulse
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Q1. What is your working experience?
Ans. 
I have over 10 years of experience in 3D animation for film and video games.
• Worked on multiple feature films as a lead animator

• Created character animations for popular video game titles

• Collaborated with art directors and designers to bring concepts to life
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Q1. How do you deal with tough times?
Ans. 
I stay calm, assess the situation, seek support, and focus on finding solutions.
• Stay calm and composed

• Assess the situation and identify the root cause

• Seek support from colleagues or mentors

• Focus on finding practical solutions rather than dwelling on the problem
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Q2. NA
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Q1. Can you tell me about yourself?
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Q2. Are you working in this role on a permanent basis?
Ans. 
Yes, I am working in this role on a permanent basis.
• Yes, I am committed to this role long-term

• I have signed a permanent contract with the company

• I am not a freelancer or contractor, but a full-time employee
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Q1. Sql questions, analytics questions, case study
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Q1. Tell me about yourself?
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Q2. Explain K8s architecture?
Ans. 
K8s architecture is a container orchestration system that manages containerized applications across a cluster of nodes.
• K8s architecture consists of a master node and worker nodes.

• The master node manages the cluster and schedules workloads on worker nodes.

• Worker nodes run the containers and communicate with the master node.

• K8s architecture includes components such as etcd, kube-apiserver, kube-controller-manager, kube-s...read more
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Q3. Triggering methods in Jenkins?
Ans. 
Jenkins supports various triggering methods for builds.
• Polling SCM changes

• Triggering builds remotely via API

• Triggering builds on a schedule

• Triggering builds when other builds complete

• Triggering builds when changes are pushed to a Git repository

• Triggering builds when a specific file or directory is changed in a Git repository
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Q4. How to secure jenkins?
Ans. 
Secure Jenkins by implementing authentication, authorization, and encryption.
• Implement authentication using plugins like LDAP or Active Directory.

• Use role-based access control to ensure only authorized users have access to Jenkins.

• Enable HTTPS encryption to secure communication between Jenkins and users.

• Regularly update Jenkins and its plugins to patch security vulnerabilities.

• Use security-focused plugins like OWASP Ma...read more
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Q5. How to auto scale pods in k8s?
Ans. 
Auto scaling pods in k8s can be achieved using Horizontal Pod Autoscaler (HPA) and Kubernetes Metrics Server.
• Create a Deployment or ReplicaSet for the pod

• Enable metrics server to collect resource utilization data

• Create an HPA object and set the minimum and maximum number of replicas

• Set the target CPU utilization percentage for the HPA

• HPA will automatically adjust the number of replicas based on resource utilization

• Exam...read more
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Q6. Explain CI in your project?
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Q7. What is dangling images in docker?
Ans. 
Dangling images in Docker are unused images that are not associated with any container.
• Dangling images can accumulate over time and take up valuable disk space.

• They can be removed using the 'docker image prune' command.

• An example of a dangling image is an image that was created but not used in any container.

• Dangling images can also be created when a container is stopped and a new image is built using the same name.
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Q8. How to save space in Jenkins?
Ans. 
Use disk cleanup, delete old builds, limit log retention, and use thin backup to save space in Jenkins.
• Use disk cleanup to remove unnecessary files and temporary data.

• Delete old builds that are no longer needed.

• Limit log retention to reduce the amount of space used by logs.

• Use thin backup to backup only essential data and save space.

• Consider using external storage solutions for larger Jenkins instances.
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Q9. How do u monitor k8s cluster?
Ans. 
K8s cluster can be monitored using various tools and techniques.
• Use Kubernetes Dashboard to view the status of the cluster and its resources

• Use Prometheus and Grafana for monitoring and alerting

• Use Kubernetes events to track changes and issues

• Use logging tools like ELK stack or Fluentd to collect and analyze logs

• Use container monitoring tools like cAdvisor or Sysdig

• Use third-party monitoring tools like Datadog or New R
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Q10. Discussion on k8s manifest files
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Q1. Tell me about yourself?
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Q2. What are difference deployment strategies?
Ans. 
Deployment strategies are different ways to release software changes to production.
• Blue/Green Deployment

• Canary Deployment

• Rolling Deployment

• A/B Testing

• Shadow Deployment
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Q3. How many environments do u have in your project?
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Q4. How do u auto scale the application when there is huge traffic?
Ans. 
Auto scaling can be achieved through horizontal scaling and vertical scaling.
• Horizontal scaling involves adding more instances of the application to handle the increased traffic.

• Vertical scaling involves increasing the resources of the existing instances to handle the increased traffic.

• Auto scaling can be achieved through tools like AWS Auto Scaling, Kubernetes Horizontal Pod Autoscaler, etc.

• Metrics like CPU utilizatio...read more
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Q5. How did u use ansible in your project?
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Q6. What is ansible and terraform?
Ans. 
Ansible and Terraform are both infrastructure as code tools used for automation and configuration management.
• Ansible is a tool for automating software provisioning, configuration management, and application deployment.

• Terraform is a tool for building, changing, and versioning infrastructure safely and efficiently.

• Ansible uses YAML-based playbooks to define tasks and configurations, while Terraform uses a domain-specifi...read more
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