In the OSI reference model, on which layer can Ethernet (IEEE 802.3) be described?

A.
Layer 1�Physical layer

B.
Layer 2�Data-link layer

C.
Layer 3�Network Layer

D.
Layer 4�Transport Layer

Explanation:
B: Layer 2, the data-link layer, describes data transfer between machines, for instance, by an Ethernet. Page 735.