Domain 2
Applications and Integration
Read the material that has been authored for this domain, alongside its published exam value.
- Exam weight
- 33.1%
- Approximate items
- About 17 items
Notes are not yet written
This domain has no authored note sections. The blueprint below shows what the domain measures while the notes are being contributed.
What this domain covers
| Sub-skill | Exam weight | Approximate items | What it measures | Status |
|---|---|---|---|---|
| Claude Application Design | 8.6% | About 4.6 items | How Claude interprets instructions across interfaces (Claude Code, Desktop, claude.ai, API, SDKs); content boundaries; schema design; session hygiene; plugin management | Scaffolded |
| Software Engineering Foundations | 7.4% | About 3.9 items | REST APIs, JSON, asynchronous programming, version control, SDLC integration, code review, small- and large-scale refactoring | Scaffolded |
| Claude API Mechanics | 6.8% | About 3.6 items | Messages, tools, streaming, vision, thinking, caching; invoking Claude via third-party vendors; Messages API data access patterns; Batch API and realtime-vs-batch tradeoffs | Scaffolded |
| Configuration Management | 4.1% | About 2.2 items | CLAUDE.md files, settings.json, model version pinning, prompt versioning, plugin dependencies | Scaffolded |
| Understanding Requirements | 3.4% | About 1.8 items | Deriving functional and infrastructure requirements from business requirements and solution architecture | Scaffolded |
| Systems Life Cycle | 2.8% | About 1.5 items | Life-cycle concepts and frameworks for developing, implementing, operating, and maintaining IT systems | Scaffolded |
Contribute a note for Applications and Integration on GitHub.
Reference application
Related reference-application modules have reserved addresses.
Practice
This domain's self-check has two halves. Its recall prompts come from the notes and you grade yourself on them. Its quiz asks 17 items — this domain's share of a 53-item mock — and is scored by the same rule the mock uses. Only the scored quiz feeds a readiness signal.
The bank holds 51 of the 17 items the quiz asks for.