Free Nokia 4A0-255 Exam Actual Questions

The questions for 4A0-255 were last updated On Apr 27, 2025

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Question No. 1

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

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Correct Answer: D

Question No. 2

Which of the following is NOT an advantage of super-channels?

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Correct Answer: C

Question No. 3

Consider the exhibit shows the standard 8-step network design process. Suppose that you have used this process to design a Green filed network, which has been commissioned and is in operation. The customer now requests an extension to the network to accommodate more steps and traffic. Which steps are not required when designing such an extension?

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Correct Answer: C

Question No. 4

What does an OPU tributary slot contain, when multiplexing OTN frames?

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Correct Answer: C

Question No. 5

Which of the following statements about an alien wavelength at 10G is correct?

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Correct Answer: B