Which factor limits the maximum number of IEEE 802.1Q VLANs to 4096?

A.
the length of the VLAN ID field of the 802.1Q frame

B.
the size of the VLAN table of the Layer 2 switch

C.
the length of the Tag Protocol ID field of the 802.1Q frame

D.
the size of the TCAM memory of the Layer 2 switch