TheSite Reliability Engineer (SRE)role originated at Google and is now widely recognized. SREs apply software engineering principles to IT operations to create systems that arescalable, reliable, and highly available. Their responsibilities include:
Designing reliability into systems (SLIs, SLOs, SLAs)
Automating operational tasks to reduce toil
Building monitoring and alerting systems
Performing capacity planning and disaster recovery exercises
A(Site resilience engineer) is not a standard industry term.C(Software engineer) focuses on developing applications but not specifically on operational reliability.D(Product Owner) is a role in Agile frameworks that manages product backlog and priorities, not system reliability.
Thus, the correct answer isB – Site Reliability Engineer.
[References:, PeopleCert DevOps Foundation v3.6 – Roles in DevOps, Google SRE Book – Principles and Practices, ]
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