Techy Chalkboard in Bits and Pieces
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CCAR-P Revision 5: Discovery, Architecture Documentation & Exam Cheat Sheet
Final CCAR-P revision covering discovery, communication and architectural decision-making. Discovery Capture before designing: Business goals Success criteria In-scope users Latency constraints Cost constraints Audit requirements Data sensitivity Regulatory requirements Vague Requirements If a stakeholder says: “Build AI to fix customer escalations.” Ask: Who is involved? What triggers escalation? What does good resolution look like? What…
CCAR-P Revision 4: Evaluation, Observability, Cost & Performance
Quick revision for evaluation, testing, monitoring and optimisation questions. Evaluation Sequence Define Metrics → Build Dataset → Run Evaluation → Analyse → Decide Evaluation Dataset Include: Representative cases Edge cases Adversarial cases The evaluation set should represent the actual user population and workload. Stable Reference Set Keep a stable evaluation/reference set across: Prompt changes Model-version…
CCAR-P Revision 3: Security, Guardrails, Human Review, HIPAA & GDPR
Security and responsible AI concepts for quick CCAR-P revision. Layered Guardrails Do not rely on one control. Best pattern: Prompt Guardrail + Runtime Checks + Tool Permissions + Output Validation Useful Guardrails Structured output validation Runtime content classifiers Explicit out-of-scope categories Least-privilege tools Human approval for risky actions Audit logging RBAC Role-based access control should…
CCAR-P Revision 2: Architecture Patterns, Prompting, RAG & Model Selection
Fast revision notes for Claude architecture design questions. Workflow vs Agentic Pattern Scenario Choose Known fixed steps Workflow Predictable sequence Workflow Predictable token cost Workflow Open-ended planning Agentic Dynamic tool selection Agentic Example: Extract → Classify → Summarise → Persist = Workflow Exam rule: Do not choose an agent just because it is more flexible.…
CCAR-P Revision 1: Claude Code Configuration, MCP, Skills & Subagents
Quick revision notes for Claude Certified Architect – Professional. Claude Code Configuration Scopes Scope Use Managed Organisation-wide security/compliance settings that must not be overridden. Project Team-shared configuration committed to the repository. User Personal preferences that follow an engineer across projects. Local Machine/project-specific configuration not intended for the whole team. Configuration Precedence Highest → Lowest: Managed…
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