Technical:
-Deployment Strategies how to use them
-How to configure servers
-Docker
-Docker networking, Host Bridge
-Docker question vs virtualization
-How does the kernel separate docker containers
Linux
-What happens when you boot up
-What’s the kernel ? Difference between user process and OS process
-Server diagnostic (You have to know commands for linux networking)
-Top
-Free -m
-Du
-Traceroute
-Ping
-tcpdump
-nslookup
-Netstat
-Nmap
-Ssh and sshd
-Networking
-What happens when you hit a url on your browser ? Asked a lot about DNS, how does it work in depth, I explained the root name server etc, Also led to DHCP question when
NAT and why do we use it for
-SSH not working (check connectivity, check port, check sshd enabled..)
-Problem server reaching DB, check network, check DB server..
-Problem with data taking too much place on server (Speak about log archiving, TTL, extending storage size)
Behavioural:
-Critical feedback
-Bad customer
-How did you make handover of a project
-One time you didn’t agree with the status quo
-One time you implemented a process to increase proficiency