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.