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Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. Which of the following correctly describes how a unidirectional amplification stage works?

A) * Incoming optical signals pass through the ingress amplifier but are not boosted.
* Outgoing optical signals are boosted by the ingress amplifier.
B) * Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals are also boosted by the ingress amplifier.
C) * Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals pass through the ingress amplifier but are not boosted.
D) * Incoming optical signals are boosted by the ingress amplifier.
* Outgoing optical signals do not pass through the ingress amplifier.

2. Which of the following issues can cause a "Loss too low" message to be displayed after a power adjustment has been provided?

A) An incorrect EPT network design
B) Unstable optical power levels
C) A dirty fiber connector
D) A defective WSS unit

3. Consider the exhibit. What do the different colored green columns indicate?

A) The average optical power levels measured for multiple wavelengths throughout their shared optical path.
B) Optical power levels measured at different interfaces throughout the optical path of a single wavelength.
C) Optical power levels measured for multiple wavelengths against a specific interface.
D) Optical power levels measured multiple times against a specific interface, at 24-hour intervals for the same wavelength.

4. Consider the exhibit which shows part of an EPT Schematic View. Which number refers to the Wavelength Router (WR8-88) block?

A) 1
B) 4
C) 2
D) 3
E) 5

Solutions: