ZS Devops Engineer Interview Questions and Answers

Q1. Most of the question will be from your resume
Add your answer

Q1. Most of the questions are from the cloud and docker,Kubernetes,ci/cd,past working project
Add your answer

Q1. Normal basic question
Add your answer

Q1. How many clusters are there in your project?
Add your answer
Q2. What are the objects in kubernetes service?
Add your answer

Q1. This was more on azure devops, Terraform, powershell and azure
Add your answer

Q1. Technical round with manger. Most of the questions were scenario based
Add your answer

Q1. Git fetch vs git pull
Ans. 
Git fetch retrieves updates from a remote repository, while git pull fetches and merges them into the current branch.
• git fetch updates the local repository with changes from the remote but does not merge them.

• Example: 'git fetch origin' fetches changes from the 'origin' remote.

• git pull combines 'git fetch' and 'git merge', updating the local branch with remote changes.

• Example: 'git pull origin main' fetches and merges ...read more
Answered by AI
Add your answer
Q2. How hpa works in kubermetes
Ans. 
Horizontal Pod Autoscaler (HPA) automatically adjusts the number of pods in a deployment based on CPU utilization or other metrics.
• HPA monitors metrics like CPU and memory usage to determine scaling needs.

• It uses the Kubernetes Metrics Server to gather resource usage data.

• For example, if CPU usage exceeds a defined threshold, HPA can increase the number of pods.

• HPA can also scale down pods when resource usage is low, e...read more
Answered by AI
Add your answer
Q3. How to terraforn check resources
Ans. 
Terraform checks resources using the 'terraform plan' command to preview changes and 'terraform state' for current resource status.
• Use 'terraform plan' to see what changes will be made before applying them.

• Run 'terraform apply' to implement the changes after reviewing the plan.

• Check the current state of resources with 'terraform state list' to view managed resources.

• Use 'terraform show' to display detailed information ...read more
Answered by AI
Add your answer
Q4. Python basic questions
Add your answer
Q5. Ejati docker expose and publish command
Ans. 
Docker's EXPOSE and -p options define container ports for communication and mapping to host ports.
• EXPOSE command in Dockerfile specifies which ports the container listens on at runtime.

• Example: EXPOSE 80 exposes port 80 for HTTP traffic.

• -p option in 'docker run' maps a container's port to a host port.

• Example: 'docker run -p 8080:80 myapp' maps host port 8080 to container port 80.

• Using EXPOSE alone does not publish the ...read more
Answered by AI
Add your answer

Basic kubernetes related questions

Q1. How can we connection between 2 EC2 instance
Ans. 
You can connect between 2 EC2 instances by using their private IP addresses or public DNS names.
• Use private IP addresses for communication within the same VPC

• Use public DNS names for communication across different VPCs or over the internet
Answered by AI
Add your answer
Q2. How do you connections between public subnet and private subnet.
Ans. 
Connections between public and private subnets are established using a NAT gateway or a NAT instance.
• Use a NAT gateway to allow instances in a private subnet to initiate outbound traffic to the internet while preventing inbound traffic from reaching those instances.

• Alternatively, use a NAT instance with a security group that only allows inbound traffic from instances in the public subnet.

• Ensure that the route tables fo...read more
Answered by AI
Add your answer

Q1. Preferred location, shifts, salary
Add your answer
Q2. Experience in devops
Ans. 
I have 5 years of experience in DevOps, working with various tools and technologies.
• Experience in setting up and managing CI/CD pipelines using tools like Jenkins and GitLab

• Proficient in containerization using Docker and orchestration with Kubernetes

• Strong knowledge of infrastructure automation using tools like Ansible and Terraform

• Experience in monitoring and logging using tools like Prometheus and ELK stack

• Familiarit...read more
Answered by AI
View 1 more answer

Q1. AWS services, Terraform commands , Kubernetes concepts, Linux commands
Add your answer