What is the effect of adding switch ports to a new VLAN on the switch?

A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?

A.
More collision domains will be created.

B.
IP address utilization will be more efficient.

C.
More bandwidth will be required than was needed previously.

D.
An additional broadcast domain will be created.