Claude Certified Architect Foundations CCAR-F Exam Questions

You are building developer productivity tools using the Claude Agent SDK. The agent helps engineers explore unfamiliar codebases, understand legacy systems, generate boilerplate code, and automate repetitive tasks. It uses the built-in tools (Read, Write, Bash, Grep, Glob) and integrates with Model Context Protocol (MCP) servers.An engineer asks your agent to identify untested code paths in a legacy payment processing module spanning 45 files. After reading the first 8 source files, the agent’s responses are becoming noticeably less accurate—it’s forgetting previously discussed code patterns and hasn’t yet located all test files or traced critical payment flows. What’s the most effective approach to complete this investigation?

You are using Claude Code to accelerate software development. Your team uses it for code generation, refactoring, debugging, and documentation. You need to integrate it into your development workflow with custom slash commands, CLAUDE.md configurations, and understand when to use plan mode vs direct execution. Your team’s CLAUDE.md includes a rule: “Use 4-space indentation and always run Prettier formatting.” Despite this, code reviews reveal that roughly 30% of files Claude Code generates use inconsistent formatting—sometimes 2-space indentation, sometimes missing trailing commas. Adding emphasis (“IMPORTANT: You MUST use Prettier formatting”) reduces violations to about 15%, but doesn’t eliminate them. What is the most effective way to ensure all generated code is consistently formatted?

You are building a customer support resolution agent using the Claude Agent SDK. The agent handles high-ambiguity requests like returns, billing disputes, and account issues. It has access to your backend systems through custom Model Context Protocol (MCP) tools (get_customer,lookup_order,process_refund,escalate_to_human). Your target is 80%+ first-contact resolution while knowing when to escalate. When the agent callslookup_orderand receives order details showing the item was purchased 45 days ago, how does the agentic loop determine whether to callprocess_refundorescalate_to_humannext? 

You are building a structured data extraction system using Claude. The system extractsinformation from unstructured documents, validates the output using JavaScript Object Notation (JSON) schemas, and maintains high accuracy. It must handle edge cases gracefully and integrate with downstream systems. Testing reveals that when source documents are missing certain specifications, the model fabricates plausible-sounding values to satisfy your schema’s required fields. For example, a document mentioning only dimensions receives a fabricated “weight: 2.3 kg” in the extraction output. What schema design change most effectively addresses this hallucination behavior?  

You are using Claude Code to accelerate software development. Your team uses it for code generation, refactoring, debugging, and documentation. You need to integrate it into your development workflow with custom slash commands, CLAUDE.md configurations, and understand when to use plan mode vs direct execution. You’ve asked Claude to write a data migration script, but the initial output doesn’t correctly handle records with null values in required fields. What’s the most effective way to iterate toward a working solution?