ACS Apple Hardware & Software Troubleshooting 2

Question 1

A customer's MacBook Pro shows a blinking question mark folder at startup. What does this indicate?

Accepted Answer

No bootable volume is found

Answer

A blinking question mark folder means macOS cannot locate a valid startup disk or system folder.

Question 2

Which utility should you use to verify and repair disk permissions on macOS Monterey and later?

Accepted Answer

Disk Utility First Aid

Answer

In modern macOS, Disk Utility's First Aid function repairs disk structure issues, replacing legacy permission repair.

Question 3

A MacBook's battery is draining unusually fast. Which built-in tool provides the most detailed power usage breakdown?

Accepted Answer

Activity Monitor > Energy tab

Answer

Activity Monitor's Energy tab shows per-app energy impact and average energy use over time.

Question 4

What is the purpose of the T2 security chip found in Intel-based Macs?

Accepted Answer

Provides encrypted storage and secure boot

Answer

The T2 chip provides encrypted storage, secure boot capabilities, and controls the Touch ID sensor on Intel Macs.

Question 5

A user reports their iPhone charging slowly when connected to a Mac's USB port. What is the most likely cause?

Accepted Answer

USB ports provide limited power (500mA) compared to a wall adapter

Answer

Standard USB ports deliver only 500mA–900mA, which charges significantly slower than a dedicated 12W or 20W wall adapter.

(ACS) Apple Certified Specialist Practice Test