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Claude Architect Foundations Practice Test

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Questions updated at Jul 18, 2026, 1:30 PM CDT

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Today's 10 Claude Architect Foundations questions

Use this Claude Architect Foundations practice test to review Claude Certified Architect, Foundations. Questions rotate daily and each explanation links to the source used to validate the answer.

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Question 1 of 10
Objective CCAF-1.6 Claude fundamentals and model selection

An architecture review board asks why Claude model selection belongs in the system design instead of only in prompt-writing notes. What is the best reason?

Concept tested:
Source:Choosing the right model
Question 2 of 10
Objective CCAF-6.2 Claude Code developer workflow

A developer wants Claude Code to inspect a task, propose an approach, and then make changes after approval. Which workflow order fits?

Concept tested:
Question 3 of 10
Objective CCAF-5.4 Model Context Protocol

A product wants Claude to reach an external tool through a standard protocol connection. What should the architecture use?

Concept tested:
Question 4 of 10
Objective CCAF-3.3 Prompting and context management

When a Claude prompt contains instructions, examples, and background material that must not blur together, what does Anthropic recommend using?

Concept tested:
Question 5 of 10
Objective CCAF-4.4 Tool use and agentic workflows

Claude has called an external ticketing tool during a multi-step support workflow. Before asking Claude to decide the next action, what should the application send back into the conversation?

Concept tested:
Question 6 of 10
Objective CCAF-8.1 Claude for Work and Projects

When creating a new project in Claude, what feature allows you to centralize knowledge and instructions specific to that project?

Concept tested:
Question 7 of 10
Objective CCAF-7.3 Security and enterprise controls

Claude Code is configured for a repository that contains production environment files. Which action helps keep sensitive-file controls active?

Concept tested:
Question 8 of 10
Objective CCAF-3.7 Prompting and context management

A team is building an evaluation set for a Claude-powered support assistant before launching it. Why is it crucial that the prompts and cases mirror production traffic?

Concept tested:
Question 9 of 10
Objective CCAF-2.7 Claude API architecture and Messages API

An inspection workflow requires Claude to analyze a photo of equipment damage alongside a user's written description. Which request capability is necessary to enable this integration?

Concept tested:
Question 10 of 10
Objective CCAF-1.3 Claude fundamentals and model selection

A platform architect needs a default Claude model for a production assistant where response quality and latency both matter. Which model should be evaluated first for the best balance of speed and intelligence?

Concept tested:
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Use these official Anthropic resources alongside the daily practice set. They cover the provider's own exam page, study guide, or prep material.

Certification Anthropic Claude Partner Network Build Building with Claude Courses Claude 101

Availability note: Claude certification availability may vary by Anthropic partner or public certification access. Always confirm current eligibility and scheduling through Anthropic’s official certification or partner resources. Need adjacent Anthropic practice pages too? Anthropic practice hub.

Source-backed answer review

The free daily Claude Architect Foundations set includes crawlable question text, answer choices, correct answer labels, objective mapping, and source links. Only the first SEO card includes answer explanations and any extra learning features. Pro-only bank questions stay locked; this section mirrors only the 10 free daily questions already shown on this page.

Question 1 An architecture review board asks why Claude model selection belongs in the system design instead of only in prompt-writing notes. What is the best reason?

Answer choices

  1. A. Because prompt changes disable evaluation and testing
  2. B. Because model choice also affects capability, speed, and cost
  3. C. Because prompt engineering is unsupported on Claude
  4. D. Because changing prompts automatically changes the deployed model version

Correct answer

Because model choice also affects capability, speed, and cost

Model choice changes capability, latency, and cost, so it is an architecture decision as well as a prompt-quality concern.

Wrong-answer review

  • A. Because prompt changes disable evaluation and testing: Prompt changes should be evaluated; they do not disable testing.
  • C. Because prompt engineering is unsupported on Claude: Claude supports prompt engineering, so this does not explain model-selection tradeoffs.
  • D. Because changing prompts automatically changes the deployed model version: Prompt edits do not automatically change the deployed model version.

Extra learning features

Why candidates miss this

The assertion that prompt changes disable evaluation and testing reveals a misunderstanding of the iterative development process. Prompt engineering is a key aspect of Claude application development, and changes to prompts should always be accompanied by rigorous testing and evaluation to ensure desired behavior. Disabling evaluation would halt progress, which is not the case. The correct answer, that model choice affects capability, speed, and cost, highlights the architectural impact of the model selection. Likely wrong answer: Because prompt changes disable evaluation and testing Review focus: Choosing a Model

Interview question

Q: Let's say we're building a new internal tool that uses Claude to summarize customer support tickets. The initial prompt seems simple, but we're seeing inconsistent summary quality and occasional hallucinations. How would you approach deciding whether to switch to a different Claude model, and what factors would you consider beyond just the prompt itself? Strong answer: The first thing I'd do is thoroughly analyze the existing summaries – not just the good ones, but also the problematic ones. I'd look for patterns in the types of errors or inconsistencies. Then, I'd evaluate the capabilities of different Claude models. It's not just about accuracy; speed and cost are also important. A more powerful model might be more accurate, but if it significantly slows down processing or increases costs, it might not be the right choice. We'd need to benchmark different models with a representative sample of tickets and measure both quality and performance. Finally, I'd consider the long-term implications – will the chosen model be suitable as the tool evolves and requirements change?

  • Understanding of model capabilities beyond just accuracy
  • Consideration of cost and performance tradeoffs
  • Data-driven decision making based on analysis of results
  • Long-term scalability and maintainability considerations

Caution: Simply saying 'use the most powerful model' without considering cost, speed, or specific requirements. Focusing solely on prompt engineering without evaluating model suitability.

Why this matters

Unexpected model selection can trigger budget overruns or performance bottlenecks. Treating it as architecture ensures these impacts are considered upfront, avoiding costly surprises later.

Objective/domain: Claude fundamentals and model selection

Source: Choosing the right model

Question 2 A developer wants Claude Code to inspect a task, propose an approach, and then make changes after approval. Which workflow order fits?

Answer choices

  1. A. Run Mode followed by Plan Mode
  2. B. Immediate Edit
  3. C. Direct Execution
  4. D. Plan Mode followed by Run Mode

Correct answer

Plan Mode followed by Run Mode

Objective/domain: Claude Code developer workflow

Source: Common workflows

Question 3 A product wants Claude to reach an external tool through a standard protocol connection. What should the architecture use?

Answer choices

  1. A. A new visual theme for the Claude Code interface
  2. B. A protocol connection to an external tool or data source through an MCP server
  3. C. A requirement that a human operator manually paste every update
  4. D. A larger context window for every Claude model

Correct answer

A protocol connection to an external tool or data source through an MCP server

Objective/domain: Model Context Protocol

Source: Connect Claude Code to tools via MCP

Question 4 When a Claude prompt contains instructions, examples, and background material that must not blur together, what does Anthropic recommend using?

Answer choices

  1. A. XML tags to separate the prompt sections
  2. B. A longer unstructured paragraph
  3. C. A different workspace for each section
  4. D. A stop_sequence for each section

Correct answer

XML tags to separate the prompt sections

Objective/domain: Prompting and context management

Source: Use XML tags to structure your prompts

Question 5 Claude has called an external ticketing tool during a multi-step support workflow. Before asking Claude to decide the next action, what should the application send back into the conversation?

Answer choices

  1. A. Using strict tool choice controls to prevent automatic selection
  2. B. Feeding tool results back into the conversation loop
  3. C. Providing detailed documentation for each tool
  4. D. Ensuring tools have clear success criteria defined

Correct answer

Feeding tool results back into the conversation loop

Objective/domain: Tool use and agentic workflows

Source: Define tools

Question 6 When creating a new project in Claude, what feature allows you to centralize knowledge and instructions specific to that project?

Answer choices

  1. A. Project Knowledge Base
  2. B. Global Chat History
  3. C. User Profile Settings
  4. D. External API Integration

Correct answer

Project Knowledge Base

Objective/domain: Claude for Work and Projects

Source: What are projects?

Question 7 Claude Code is configured for a repository that contains production environment files. Which action helps keep sensitive-file controls active?

Answer choices

  1. A. Disable bypass permissions mode
  2. B. Allow all repository file access by default
  3. C. Grant read-only access to every path in the organization
  4. D. Enable bypass permissions mode for faster edits

Correct answer

Disable bypass permissions mode

Objective/domain: Security and enterprise controls

Source: Claude Code settings

Question 8 A team is building an evaluation set for a Claude-powered support assistant before launching it. Why is it crucial that the prompts and cases mirror production traffic?

Answer choices

  1. A. To ensure the evaluation accurately measures performance in production tasks
  2. B. To make the evaluation process faster and more efficient
  3. C. To reduce the complexity of the model's architecture
  4. D. To increase the diversity of prompts used during testing

Correct answer

To ensure the evaluation accurately measures performance in production tasks

Objective/domain: Prompting and context management

Source: Create strong empirical evaluations

Question 9 An inspection workflow requires Claude to analyze a photo of equipment damage alongside a user's written description. Which request capability is necessary to enable this integration?

Answer choices

  1. A. Message Batches only
  2. B. Workspace segmentation
  3. C. Vision or image input in the request
  4. D. Custom stop sequences

Correct answer

Vision or image input in the request

Objective/domain: Claude API architecture and Messages API

Source: Vision

Question 10 A platform architect needs a default Claude model for a production assistant where response quality and latency both matter. Which model should be evaluated first for the best balance of speed and intelligence?

Answer choices

  1. A. Claude 3.5 Sonnet
  2. B. Claude Opus 4.8
  3. C. Claude Sonnet 4.6
  4. D. Claude Haiku 4.5

Correct answer

Claude Sonnet 4.6

Objective/domain: Claude fundamentals and model selection

Source: Models overview

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