Nokia Certification Exams Pack
Everything from Basic, plus:
- Exam Name: Nokia Optical Networking Fundamentals
- 59 Questions Answers with Explanation Detail
- Total Questions: 59 Q&A's
- Single Choice Questions: 59 Q&A's
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Nokia 4A0-205 - Nokia Optical Networking Fundamentals
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Total Questions: 59
Free Practice Questions: 17
Which of the following sentences about FlexGrid is false?
Answer
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C
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Explanation
FlexGrid is a flexible grid technology that allows for variable channel spacing and bandwidth allocation. It uses the same sets of boards as the traditional fixed grid systems and it does not require upgrading the old generation WDM systems. [References:, "Flexible Grid Optical Networks: From Concepts to Realizations" by Diomidis S. Michalopoulos and George K. Karagiannidis, "Flexible Grid and Flexible Spectrum Optical Networks" by Diomidis S. Michalopoulos and George K. Karagiannidis, "Flexible Grid Optical Networks" by Diomidis S. Michalopoulos and George K. Karagiannidis, ]
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With reference to the power budget, what is the meaning of receiver dynamic range?
Answer
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B
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Explanation
Comprehensive and Detailed Explanation From Nokia Optical Networking Fundamentals: In the design of a Nokia 1830 PSS optical link, thereceiver dynamic rangeis a critical parameter for ensuring error-free transmission. It defines the "window" of optical power within which a receiver (such as an SFP, XFP, or coherent line port) can accurately interpret the incoming signal. The lower bound of this range is theSensitivity, which is the minimum optical power required to achieve a specific Bit Error Ratio (BER). If the power drops below this level, the signal is "lost in the noise." The upper bound is theOverload power(or saturation point), which is the maximum power the receiver can handle before the photo-detector becomes saturated, leading to signal distortion and errors. The dynamic range is the mathematical difference between these two points (expressed in dB). For a network to operate reliably, the calculated power at the end of a fiber span must fall comfortably within this dynamic range. If the signal is too weak, an amplifier is needed; if it is too strong (exceeding the overload point), an optical attenuator must be used to bring the power back into the dynamic range. |
Is it possible to modify node parameters within the edit EPT menu?
Answer
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D
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Explanation
Yes, the user can apply manual changes but only for non-GMPLS nodes, as the control plane reserves node resources not editable by the user. The edit EPT menu allows the user to view information about a node but is not used to modify node parameters. The user can only apply manual changes to non-GMPLS nodes, as the control plane reserves node resources which cannot be modified by the user. |
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Nokia 4A0-205 FAQ'S
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