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For pure technical engineers (DevOps, SRE, SWE), ITIL is often dismissed as "process theatre". Knowledge is shallow, content reads like vendor marketing in places. Best-positioned for IT-management-track or service-organization roles.

Cost: ~£280–£380 GBP exam (PeopleCert), often bundled with training. Doesn't expire (Foundation level). Solid resume keyword for service-desk-to-management transitions. Higher tiers (Practitioner, Strategist, Leader) less universally valued.

Expert-tier Azure cert with strong HR signal — mandatory for many Azure architect job postings. Requires AZ-104 prereq (Microsoft enforces this). John Savill's AZ-305 master class on YouTube is the universally-recommended free prep.

Heavy on case studies and architecture decisions — networking, identity (Entra ID), storage tiering, governance. Tim Warner Pluralsight + MeasureUp practice tests cited as solid supplements. Significant overlap with AZ-104 makes prep efficient if AZ-104 was recent.

Renewal: free annual online assessment via Microsoft Learn — significantly better than AWS's 3-year recert grind. Total cost of ownership low compared to equivalent AWS SAP cert. Strong choice for Microsoft-shop architects.

Some report exam wording is ambiguous — "best" vs "most cost-effective" answers frequently differ on similar scenarios. Reading Microsoft's Well-Architected Framework + Cloud Adoption Framework directly cited as a prep edge.

Microsoft's primary Azure developer cert. Heavy on Azure Functions, App Service, Cosmos DB, Service Bus, Key Vault, Azure DevOps. Scott Duffy Udemy course + John Savill's YouTube playlist named most often in 2024 prep stacks.

Heavier coding focus than AZ-104 — exam expects you to read C#/.NET snippets and pick correct SDK calls. Devs from non-.NET backgrounds (Node, Python) report needing extra time on the .NET-specific questions.

Less HR-recognized than AZ-104 in non-Microsoft-shops, but for devs already on Azure stack the learning is genuinely applicable. Hands-on with Azure free $200 credit + GitHub student pack credits commonly used for prep labs.

Renewal model (free online assessment) makes long-term cost trivial. Recurring tip: don't skip the security/identity sections (Managed Identity, Key Vault, RBAC) — these are heavily tested and easy points if practiced.