Which three of the following statements correctly describe switching? (Choose three.)

A.
A dual-layer switch operates at the data link and network layers of the OSI network
model.

B.
A Layer 2 switch operates up to the data linklayer of the OSI network model.

C.
A multilayer switch operates up to Layer 4 of the OSI network model.

D.
A Layer 3 switch operates up to the transportlayer of the OSI network model.

E.
A dual-layer switch operates at the transport and data link layers of the OSI network
model.