What is the correct order of the TCP 3-Way Handshake sequence?

A network administrator with existing IAP-315 access points is interested in Aruba Central and needs to know which license is required for specific features Please match the required license per feature (Matches may be used more than once.)

You need to configure wireless access for several classes of loT devices, some of which operate only with 802 11b. Each class must have a unique PSK and will require a different security policy applied as a role There will be 15-20 different classes of devices and performance should be optimized Which option fulfills these requirements''
Which device configuration group types can a user define in Aruba Central during group creation? (Select two.)
A network technician is deploying "headless" devices in the warehouse at the HQ location. So far, an SSID with 802.1X has been configured. However, these new devices lack 802.1X support.
Which option would provide enhanced security for these devices?