Posted by: Pdfprep
Post Date: November 11, 2020
Which network device functions only at Layer 1 of the OSI model?
A . Option A
B . Option B
C . Option C
D . Option D
E . Option E
Answer: B
Explanation:
Most hubs are amplifying the electrical signal; therefore, they are really repeaters with several ports. Hubs and repeaters are Layer 1 (physical layer) devices.