Question id 156 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Is only pressurised in the area of the control cabin.
Has the ability to maintain a constant cabin differential pressure at all flight altitudes.
Has the means to maintain cabin pressure higher than ambient pressure.
Has the ability to maintain a constant cabin altitude at all flight altitudes.

Training tests and timed exam simulations ATPL - Airline Transport Pilot license