AI-powered DevOps Engineer mock interviews

Describe the concept of Docker networking and how containers communicate with each other in a Docker network. What are the different types of Docker networks and when would you use each type?

Explain the difference between a Docker image and a Docker container. How are they related and how do they interact with each other in a Docker environment?

Can you explain the difference between continuous integration and continuous deployment and how they work together in a CI/CD pipeline?

Describe a scenario where you had to troubleshoot a failed deployment in a CI/CD pipeline. What steps did you take to identify and resolve the issue?

Describe a scenario where you would use a here document in a shell script. Provide a brief example to illustrate its usage.

Explain the difference between using single quotes and double quotes in shell scripting. Provide an example where using one over the other can lead to different outcomes.

How would you handle rolling updates in Kubernetes to ensure zero downtime for a critical production application? Please explain the steps involved and any considerations you would take into account.

Can you explain the difference between a StatefulSet and a Deployment in Kubernetes? When would you choose one over the other?

Explain the process of setting up a high availability cluster for a critical production database. Include considerations for load balancing, failover mechanisms, and data replication.

Describe a scenario where you had to troubleshoot and resolve a network bottleneck issue in a complex infrastructure. What tools did you use and what steps did you take to identify and mitigate the problem?

Describe a situation where you had to communicate a complex idea to a non-technical stakeholder. How did you ensure effective communication and understanding? What strategies did you use to overcome any potential misunderstandings?

Can you provide an example of a time when you had to navigate a challenging team dynamic to successfully deliver a project? How did you approach the situation and what was the outcome?