ACA Study Guide 2026
Everything you need to pass the ACA exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 ACA Exam Format at a Glance
📚 ACA Topics to Study (21)
✍️ Sample ACA Questions & Answers
1. Which command is used to create custom tool palettes in Autodesk software?
The TOOLPALETTES command opens the Tool Palettes window in Autodesk software. This feature allows users to create, organize, and customize palettes with frequently used blocks, hatches, commands, and other tools. Custom tool palettes streamline workflows by providing quick access to essential design elements and commands.
2. When plotting in AutoCAD, what does a 'plot style table' control?
A plot style table (.ctb or .stb file) controls how colors are translated to pen widths and colors (or grayscale) during plotting.
3. What is the purpose of the XREF command in AutoCAD?
The XREF (External Reference) command in AutoCAD allows users to attach external DWG files to the current drawing without embedding them. This is highly beneficial for collaboration, managing large projects, and ensuring consistency, as changes to the original XREF file are automatically updated in all drawings where it's referenced. It keeps file sizes manageable and promotes modular design.
4. What should you do when troubleshooting a performance monitoring issue?
A systematic troubleshooting approach ensures the root cause is identified and the fix is verified without creating new issues.
5. Which AutoCAD command is used to attach an external drawing file as a reference that can be updated independently?
The XREF command (External Reference) attaches an external drawing file that remains linked, so changes to the source file update the host drawing.
6. When using the Properties palette (CTRL+1), what happens if you select multiple objects with different layer assignments and change the Layer field?
The Properties palette allows batch property changes — selecting a new layer while multiple objects are selected moves all of them to that layer at once.