Which of the following operating systems are used by Blackberry 10 and found in some vehicles and medical devices?

Which of the following operating systems are used by Blackberry 10 and found in some vehicles and medical devices?Reference: https://arstechnica.com/gadgets/2013/02/from-the-car-to-your-phone-how-blackberry-ported-over-qnx-for-its-new-os/ Question: Which of the following operating systems are used by Blackberry 10 and found in some vehicles and medical devices? Options: Bada POSIX QNX UNIX Correct Answer The Correct Answer for this Question is QNX