The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch. What must be done to ensure that this new switch becomes the root bridge on the network?（）
- A Lower the bridge priority number.
- B Change the MAC address of the switch.
- C Increase the VTP revision number for the domain.
- D Lower the root path cost on the switch ports.
- E Assign the switch an IP address with the lowest value.