Site Reliability Engineering.

SLOs, error budgets, incident management, chaos engineering, and reliability patterns. Covers 10 sub-skills.

• Site Reliability Engineering · 1 of 3

  SLIs, SLOs & SLAs

  What is a common SLI for measuring service availability?

  AThe running count of servers currently in serviceBThe ratio of successful requests to the totalCThe count of deployments shipped within the weekDThe mean processor utilisation across the instances

• Site Reliability Engineering · 2 of 3

  Capacity Planning & Forecasting

  A service needs N+2 redundancy and requires 4 servers at full capacity to meet demand. How many total servers should be provisioned?

  A8 serversB4 serversC5 serversD6 servers

• Site Reliability Engineering · 3 of 3

  SLIs, SLOs & SLAs

  Service A makes 3 independent calls to Service B (99.9% SLO) per request. What is the effective availability from this dependency?

  AApproximately 99.97%BApproximately 99.9%CApproximately 99.7%DApproximately 99.0%