Which of the following is a directional antenna that can be used in point-to-point or point-to-multi-point WiFi
communication systems? (Choose two.)

A.
Backfire
B.
Dipole
C.
Omni
D.
PTZ
E.
Dish
Explanation:
Both the Backfire and the Dish antennae are high gain antenna types that transmit a narrow beam of signal. It
can therefore be used as a point-to-point antenna over short distances, but as point-to-multi-point antenna over
longer distances.