Devops Interview Questions

Aws
Difference between NAT gateway and NAT instances?
Easy
Aws
What is Internet Gateway?
Easy
Linux
Explain top commands output?
Medium
Linux
How to check listening ports in a machine?
Easy
Linux
How to check if a process is using any port?
Easy
Kubernetes
Which networking solution you are using in your K8S clusters and Why?
Medium
Kubernetes
Why docker is most widely used in Kubernetes pods?
Medium
Kubernetes
Difference between readiness and liveness probes?
Easy
Linux
How to automatically attach file systems on reboot?
Medium
Linux
How linux boot process works?
Hard
Kubernetes
How to connect applications present in different namespaces?
Medium
Aws
What is Elastic IP?
Easy
Aws
How to mount s3 buckets to EC2 machine?
Medium
System Design
Which one is better monolithic, service based or microservice based architecture?
Hard
Kubernetes
How CRD works?
Hard
Docker
Tell me 7 commands used in Dockerfile?
Medium
Networking
What is 'A' record in DNS?
Easy
Git
Have you worked on authorization and authentication for git commit commands?
Hard
Aws
What are spot instances?
Easy
Linux
What is conntrack?
Medium
Linux
What happens if we comment the nameservers in /etc/resolv.conf?
Medium
Linux
How to check arp table?
Medium
Networking
What is AAAA record?
Easy
Networking
How to ping on server port 443?
Medium
Hr
How you control your anger?
Easy