The IEEE 802.11i standard defines mechanisms for wireless client authentication and data encryption. During 802.1X EAP authentication, a number of keys are used in order to establish a secure encrypted link between the access point and the client. Which two of these keys are derived via the WPA four-way handshake? (Choose two.)
A. PMK
B. PTK
C. MSK
D. GMK
E. GTK
