Consider two EDFA amplifiers in cascade. Each EDFA has an average input signal power of 10 mW and an average noise power of 1 mW. What is the OSNR of the system at the receiver.

Options:

20 dB

10 dB

7 dB

5 bB

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Question 2

Which of the following about the Optical channel Transport Unit (OUT0 in ONT network is correct?

Options:

OUT refer to the section between two multiplexers passing through one or moreamplifiers.

OUT refers to the section between two amplifiers.

OUT enables the multiplexing of OCH connections.

OUT enables FEC processing.

Question 3

Which of the following statements about GMPLS features is FALSE?

Options:

GMPLS is able to manage the optical network through the DCN.

GMPLS is able to control OTN networks.

GMPLS is able to compute the routing of the optical channels.

GMPLS is able to automatically provision the optical channels.

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