Q1 – What are the differences between SRE and DevOps?
Ans: Devops is like an interface and SRE implements DevOps
Q2 – What SRE team is responsible for?
Ans: Monitoring, Automation of Operations.
Q3 – What is an error budget?
Ans: The amount of errors/downtime that is acceptable.
Q4 – What are MTTF (mean time to failure) and MTTR (mean time to repair)? What these metrics help us to evaluate?
Ans: MTTF is mean of times between the failure occurrences.
MTTR is is mean of times that took for repairing or solving the problem.
Q5 – What is the role of monitoring in SRE?
Ans: If any thing goes down, SRE steps in to the field, alerts the concerned application owner
and makes efforts to get the app up again.
Q6 – How do you differentiate between process and thread?
Ans: Process is like a molecule and threads are like atoms.
Q7 – What activity means Reducing Toil?
Ans: Automating the manual stuff.
Q8 – Have you ever heard of SLO? If yes then explain.
Ans: Yes, Service Level Objectives these are the objectives there are need to meet the SLA’s (Service Level Agreements).
Q9 – Enlist all the Linux signals you are aware of
Ans: SIGTERM, SIGKILL.
Q10 – What is obserbability
Ans: No idea, I think the extent of monitoring.