In port scanning, a port is always associated with the _____________ (typically of host system) & the type of ____________ employed for communication.

In port scanning, a port is always associated with the _____________ (

1.	In port scanning, a port is always associated with the _____________ (typically of host system) & the type of ____________ employed for communication.
A.	IP address, protocol
B.	MAC address, protocol
C.	IP address, IMEI number
D.	MAC address, network model
Answer» B. MAC address, protocol