Exam 212-82 topic 1 question 22 discussion

Matias, a network security administrator at an organization, was tasked with the implementation of secure wireless network encryption for their network. For this purpose, Matias employed a security solution that uses 256-bit Galois/Counter Mode Protocol (GCMP-256) to maintain the authenticity and confidentiality of data.
Identify the type of wireless encryption used by the security solution employed by Matias in the above scenario.