____________ operate at bottom two layers of the OSI model.
A. Bridges
B. Switches
C. Models
D. Modules
Answer:A
____________ operate at bottom two layers of the OSI model.
A. Bridges B. Switches C. Models D. Modules
Explanation: Bridges operate at the bottom two layers of the OSI model. It connects networks that use the same communication protocols above data-link layer.