What is the purpose of an isolator?
A) Allows optical power to flow in one direction only
B) Reduces the received signal level
C) Used in simplex systems where a single optical signal is divided and sent to several receivers
D) Combines or divides two or more optical signals
Correct Answer:
Verified
Q3: What type of network is currently the
Q4: Visible light striking a prism causes refraction
Q5: What is optical fiber made of?
A)Ultrapure glass
B)Plastic
C)Copper
D)Polymers
Q6: _ is the loss of power introduced
Q7: Which of the following defines the broadening
Q9: The eye can't see fiber-optic communications wavelengths,so
Q10: Which of the following is an important
Q11: Light is emitted from an LED as
Q12: _ is a long-term method in which
Q13: Where does modal dispersion predominantly occur?
A)Multimode fiber
B)Single-mode
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