Which of the following statements is TRUE for a LAN with multiple switches preventing loops using STP?

		One root bridge is designated by the network administrator, and that root bridge puts all of its ports into a blocking state.
		Two root bridges are elected by the switches by comparing bridge priorities.
		One root bridge is elected by the switches after comparing bridge priorities and MAC addresses.
		One root bridge is designated and all other switches put their ports into a forwarding state.