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| Vendor: | Nokia |
|---|---|
| Exam Code: | 4A0-255 |
| Exam Name: | Nokia Advanced Optical Network Design |
| Exam Questions: | 40 |
| Last Updated: | August 23, 2026 |
| Related Certifications: | Nokia Optical Network Design Expert |
| Exam Tags: |
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Consider the exhibit that shows the OTN frame structure . Which of the following sets of label is correct?

Consider the exhibit that shows a link power budget diagram. Which of the following is represented at location 2?

Which of the following statements about the Decision (HDEFC) decoding and soft decision FEC (SDFEC) decoding is FALSE?
Consider the exhibit. The grey sites (Site 1 through Site6) from an existing network, which will be extended by adding Site7 and Site8. Which of the following is NOT a common source of interoperability issues for this network extension?
Consider the exhibit showing the schematic for an NE in a deployed optical network. The traffic growth forecast is for the use of 40 channels in 3 years. The customer needs to reduce the space for the shelf. Among the following, which additional input is NOT necessary to meet these specific requirements?

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