DevOps Site Reliability Engineering

Question 1

What is Site Reliability Engineering (SRE)?

Accepted Answer

A discipline that applies software engineering principles to operations to create scalable, reliable systems

Answer

A cloud security framework

Answer

A deployment automation tool

Answer

A microservices architecture pattern

Question 2

What is an SLA (Service Level Agreement)?

Accepted Answer

A formal contract with customers defining minimum service quality and remedies for failures

Answer

An internal reliability target set by engineering

Answer

A monitoring alert threshold

Answer

A deployment frequency goal

Question 3

What is 'toil' in SRE terminology?

Accepted Answer

Manual, repetitive operational work that is automatable, tactical, and scales with service growth

Answer

Planned maintenance windows

Answer

Post-incident report writing

Answer

On-call scheduling

Question 4

What is chaos engineering?

Accepted Answer

Deliberately injecting failures into a system to test its resilience and identify weaknesses before they cause incidents

Answer

Writing code with intentional bugs

Answer

Randomly deleting production databases

Answer

Stress testing network bandwidth

Question 5

What is an incident post-mortem?

Accepted Answer

A blameless analysis after an incident to understand root causes and prevent recurrence

Answer

A list of engineers involved in an incident

Answer

A customer-facing status page update

Answer

A financial impact report for leadership

Question 6

What does 'capacity planning' mean in SRE?

Accepted Answer

Forecasting future resource needs and provisioning infrastructure ahead of demand

Answer

Sizing the on-call rotation

Answer

Budgeting cloud spend for the next quarter

Answer

Defining autoscaling policies