ACS Cheat Sheet 2026

The 30 highest-yield ACS facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What Apple feature lets iPhone and iPad users control their device entirely with their voice, including dictating text and navigating the UI? → Voice Control
2. Which utility helps repair disk errors on a Mac? → Disk Utility - First Aid
3. What Apple ecosystem feature allows a user's iPhone Hotspot to be used by their Mac automatically without entering a password? → Instant Hotspot via Continuity
4. What is Apple's 'Personal Voice' feature introduced in iOS 17 designed for? → Allowing users with speech loss to create a synthesized version of their own voice
5. What is an essential part of effective troubleshooting? → Confirming and reproducing the issue
6. When an employee leaves a company, what MDM action should an IT administrator perform on their corporate-owned device? → Remote wipe to erase all data and return it to factory settings
7. Which feature allows iPhone users in the US to install apps from sources other than the App Store in iOS 17.4+? → Alternative marketplaces (sideloading for EU; not yet broadly available in US)
8. What should an ACS specialist do first when helping a customer set up accessibility features on a new iPhone? → Ask the customer about their specific accessibility needs before recommending features
9. Which keyboard shortcut enables VoiceOver on a Mac? → Command + F5
10. What Apple tool is specifically used to prepare and supervise iOS/iPadOS devices for deployment using USB or network connections? → Apple Configurator 2
11. How should service representatives handle mistakes? → Acknowledge and correct the mistake
12. An ACS specialist advises a customer that their app keeps getting removed by iOS. What is the most likely reason? → The app's provisioning profile or certificate has expired
13. What happens when a user drags a file from a Mac to the edge of the screen where an iPad is positioned using Universal Control? → The cursor moves to the iPad and the file can be dropped into an iPad app
14. What is the maximum Wi-Fi standard supported by recent iPhone models (iPhone 15 Pro and later)? → Wi-Fi 6E (802.11ax)
15. What Bluetooth version do iPhone 15 models support, and what improvement does it offer over previous versions? → Bluetooth 5.3 with improved coexistence and lower power
16. What Apple technology enables AirDrop to work for peer-to-peer file sharing between Apple devices? → Bluetooth for discovery and Wi-Fi for transfer
17. What is the primary purpose of Apple Diagnostics on Mac computers? → Test hardware components such as RAM and storage for failures
18. What should an ACS specialist recommend when a customer reports that an app crashes consistently on their iPhone? → Check for app updates, restart the device, and reinstall the app if needed
19. What protocol allows file sharing between macOS computers? → AFP
20. How can users avoid phishing attacks? → Verify senders and avoid suspicious links
21. Which Apple enterprise feature allows an iPad to run only a single app, ideal for kiosk deployments? → Single App Mode
22. In Apple Business Manager, what is the 'Device Assignment' feature used for? → Linking purchased devices to a specific MDM server for automatic enrollment
23. What tool is used to reinstall macOS? → macOS Recovery
24. What is iCloud Keychain primarily used for in the Apple ecosystem? → Syncing passwords, passkeys, and credit card information securely across Apple devices
25. What hardware issue does a blinking question mark folder on startup indicate? → Startup disk not detected
26. What accessibility feature should an ACS specialist recommend for a customer who cannot hold an iPhone steady for long periods? → AssistiveTouch with customizable menu
27. How do you boot an Intel-based Mac into macOS Recovery? → Hold Command+R during startup
28. What is a recommended practice when providing technical explanations to customers? → Use simple, non-technical language
29. What is the recommended first step when a customer reports an iPhone with an unresponsive touchscreen? → Attempt a force restart before running diagnostics or considering hardware repair
30. What does 'iPhone Mirroring' introduced in macOS Sequoia allow Mac users to do? → View and control their iPhone screen directly on their Mac without touching the iPhone