Nokia Advanced Optical Network Design - 4A0-255 FREE EXAM DUMPS QUESTIONS & ANSWERS]

Nokia Advanced Optical Network Design - 4A0-255 FREE EXAM DUMPS QUESTIONS & ANSWERS

Question 1

Consider an OTN-based network controlled by GMPLS. Which of the following statements is correct?

A. An OCH LSP can be routed through an ODU LSP. B. An ODU LSP is routed between two photonic layer nodes. C. An ODU LSP can be routed through an OCH LSP. D. The routing of the individual ODU frames is based on their label

Discussion 0

Correct Answer: D Vote an answer

Question 2

Which of the following statements about the management plane data Communications Network (DCN) is correct?

A. The management plane DCN uses in-band communication. B. The management plane DCN can be connected to each NEs via OSS/OBS interface. C. The management plane DCN can be connected to each NEs directly. D. The management plane DCN enables direct communication between the NEs.

Discussion 0

Correct Answer: C Vote an answer

Question 3

Which of the following is recommended to reduce the latency of a 30km long link?

A. L1 encryption B. DCM-free amplifiers C. Soft-decision FEC D. Low-noise amplifiers

Discussion 0

Correct Answer: D Vote an answer

Question 4

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.

A. 10 dB B. 5 bB C. 20 dB D. 7 dB

Discussion 0

Correct Answer: C Vote an answer