How many collision and broadcast domains exist on the switch (collision, broadcast)?

A switch has 48 ports and 4 VLANs. How many collision and broadcast domains exist on the
switch (collision, broadcast)?

A.
4, 48

B.
48, 4

C.
48, 1

D.
1, 48

E.
4, 1

Explanation:
A switch uses a separate collision domain for each port, and each VLAN is a separate broadcast
domain.