Fiber optics possess following properties
(a) Immune electromagnetic interference
(b) Very less signal attenuation
(c) Very hard to tap
(d) All of the mentioned
Answer: d
If an Optical Carrier is represented as OC-n, generally the link speed equals (in Mbps),
(a) n*39.8
(b) n*51.8
(c) 2n*51.8
(d) none of the mentioned
Answer. b