CMT CMT Accessories & Peripheral Devices

Question 1

What is the difference between MFi-certified and non-certified Lightning accessories?

Accepted Answer

MFi-certified accessories meet Apple's performance and safety standards; non-certified may damage the device or not work

Answer

MFi certification only affects color options

Answer

Non-certified accessories are faster

Answer

MFi certification is purely cosmetic branding

Question 2

A customer reports their wireless charging pad is not charging their phone. What should be checked first?

Accepted Answer

Whether the phone case is too thick and whether the charger is Qi-certified and compatible with the device

Answer

Replace the phone battery immediately

Answer

Perform a factory reset

Answer

Check cellular signal strength

Question 3

What does the USB Power Delivery (USB-PD) standard define?

Accepted Answer

A protocol allowing negotiated fast charging at higher voltages and currents over USB-C

Answer

The physical size of USB-C connectors only

Answer

Data transfer speeds exclusively

Answer

A wireless charging standard

Question 4

A Bluetooth headset pairs but produces intermittent audio dropouts. What is the most likely cause?

Accepted Answer

Interference from other 2.4 GHz devices or distance/obstacles between the headset and phone

Answer

A damaged headphone jack on the phone

Answer

Incompatible Bluetooth profiles

Answer

A software bug requiring OS reinstall

Question 5

What is the purpose of a screen protector's oleophobic coating?

Accepted Answer

It repels oils from fingerprints, keeping the screen cleaner and maintaining touch sensitivity

Answer

It adds structural protection against drops

Answer

It improves display brightness

Answer

It blocks UV light to prevent screen burn-in

Question 6

What is the function of a smart stylus' digitizer compatibility requirement?

Accepted Answer

The device's touchscreen digitizer must support the stylus protocol (e.g., Apple Pencil requires ProMotion or compatible display) for pressure sensitivity

Answer

It only affects Bluetooth pairing

Answer

It is relevant only for Android devices

Answer

It determines the stylus color options