Your Company has installed IP phones. Both the phones and the office computers connect to the
same device. The phone traffic and the office computer data traffic must be on different networks
to ensure maximum throughput for the phone data. Which network device can be best connected
to the phones and computers, and which technology will be performed on this device? (Choose
two.)

A.
hub

B.
router

C.
switch

D.
stp

E.
subinterfaces

F.
VLAN

Explanation:
You can configure VLANs on the switch to distinguish two types of data traffic.