Overview
Technology domain covers the technical aspects of platform management including Instance Data Replication (IDR), Hermes messaging for high availability, upgrade best practices, and cloning with data preservers. Understanding these technical foundations is crucial for platform stability.
Why It Matters for the Exam
Technology accounts for approximately 22.9% of the CPOA exam - the largest domain. Questions focus on IDR adapters and monitoring, Hermes near/far cluster architecture, AHA transfer processes, and upgrade best practices.
Key Concepts to Master
💡 Exam Tips & Strategy
Never apply upgrades directly to production without testing in sub-production first. The IDR Monitoring Dashboard tracks producer/consumer replication sets, scheduled jobs, and seeding requests. Messages go to the near cluster under normal operation.