Find out which functionality is NOT related to Wavelength Tracker troubleshooting in the Nokia 4A0-205 certification exam. Get detailed insights on the correct answer and improve your exam preparation.
Table of Contents
Question
Which of the following is NOT a troubleshooting functionality of the Wavelength Tracker?
A. Tracing a service along an optical path.
B. Testing a node’s internal fiber connectivity before service provisioning.
C. Performing channel power monitoring.
D. Detecting unexpected or missing channels.
Answer
B. Testing a node’s internal fiber connectivity before service provisioning.
Explanation
The Wavelength Tracker is a key tool in Nokia’s optical network platforms, primarily used for troubleshooting and monitoring the health of optical signals. Below is a breakdown of the functionalities listed and why option B is the correct answer:
Tracing a service along an optical path (A):
This is a core functionality of the Wavelength Tracker. It tracks the entire service across the network’s optical path, identifying issues that may affect signal integrity across nodes and links.
Performing channel power monitoring (C):
Channel power monitoring is a typical feature of optical troubleshooting tools. The Wavelength Tracker can measure and analyze the power levels of different wavelengths in the network, helping to maintain optimal performance.
Detecting unexpected or missing channels (D):
The ability to detect missing or unexpected channels is another essential function. It helps identify issues such as channel dropouts or additional signals that may interfere with network operations.
Testing a node’s internal fiber connectivity before service provisioning (B):
This is NOT a functionality of the Wavelength Tracker. Pre-service provisioning fiber testing typically involves other diagnostic tools designed to test internal node connections and fiber continuity within the infrastructure before traffic is routed. The Wavelength Tracker focuses on monitoring live optical paths rather than performing pre-service diagnostics on individual node fiber connectivity.
While the Wavelength Tracker excels in optical path tracing, channel monitoring, and detecting signal issues, it does not test a node’s internal fiber connectivity before service provisioning. Hence, option B is the correct answer.
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