CCAR-F Claude Code Configuration and Workflows Practice Question
A developer is using Claude Code to refactor a large TypeScript repository. They notice that Claude Code is attempting to read and analyze thousands of generated log files in the /dist folder, slowing down performance. Which configuration change should the developer make to optimize this workflow?
⚠ Common exam trap
Candidates often try to modify global model parameters to ignore files, forgetting that repository-specific exclusion files control workspace scanning.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Add 'dist/' to the .claudeignore file in the repository root.
To optimize Claude Code's performance, developers must effectively manage the context window and search scope. By configuring the .claudeignore file, users explicitly instruct the tool to skip non-essential directories like /dist. This ensures that the model focuses its attention only on relevant source code, reducing latency, improving accuracy, and preventing token exhaustion during complex refactoring tasks, which is critical for large-scale enterprise development projects.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Run the command with the --no-search flag permanently.
Why it's wrong here
Disabling search functionality prevents Claude from finding relevant code snippets across the repository. This would severely limit the agent's ability to understand cross-file dependencies and refactoring requirements, making it ineffective for large projects that rely on global codebase awareness and contextual navigation.
- ✗
Set the CLAUDE_MAX_TOKENS environment variable to a lower value.
Why it's wrong here
Lowering the token limit restricts the amount of context the model can process at once. While it might prevent processing large files, it does not stop the agent from attempting to read the files initially, leading to truncated responses and incomplete refactoring logic rather than efficient file exclusion.
- ✓
Add 'dist/' to the .claudeignore file in the repository root.
Why this is correct
The .claudeignore file functions similarly to .gitignore, allowing users to define patterns for files or folders that Claude Code should ignore. Adding 'dist/' ensures the agent skips these generated artifacts entirely, significantly improving performance by focusing the model's indexing and analysis on relevant source files only.
- ✗
Use the --exclude-files flag during every terminal session.
Why it's wrong here
While this flag works, it is inefficient because it requires manual input every time a new session starts. A professional workflow relies on persistent configuration through .claudeignore to ensure consistent behavior across all team members and future sessions without needing to remember command-line arguments during every task.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Anthropic exam blueprint
This CCAR-F practice question is part of Courseiva's free Anthropic certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CCAR-F exam.