My DevOps Interview Answers

Описание: Questions)

Linux

1) .bashrc file.
2) Run levels in Linux
3) Namespaces in linux
4) What happens first when Lyinux server is started.
5) What are daemon services.
6) How will you mount a storage to a filesystem.
lsblk
sudo mkdir -p /mnt/storage
sudo mount dev/sda2 /mnt/storage


Git

1) What are Git semantics.
2) How will you resolve merge conflicts
3) What branching strategies you follow.


Jenkins

1) Write Pipeline Script
2) How will you trigger a pipeline for Dev , QA and prod


Docker

1) Write docker file to install python
2) difference between COPY and ADD
3) difference between CMD and ENTRYPOINT
4) How to know which port container is running.


Kubernetes

1) What is the flow when kubectl apply -f manifest.yml runs.
2) What is ingress, what kind of routing it provides.
3) what does kube-proxy helps in.
4) What does kubelet do.
5) What are default namespaces.
6) In which services Cluster IP service will be used.


AWS

1) What are subnets, how do you know that it is private or public subnet

2) What is VPC peering.

3) How will you expose private subnet servers to internet.


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