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Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. Consider the exhibit. Given the following power readings, what is the calculated span loss from Node A to Node B?

A) 11.5
B) 2.5
C) 8.0
D) 1.5

2. Consider the exhibit. A single directional fiber cut is occurring between two amplifiers in unidirectional configuration with Raman pump.
Multiple services are crossing the affected span.
Which node(s) will report an Incoming Payload LOS" alarm?

A) Node C only.
B) Both Node A and Node C
C) Neither Node A nor Node C.
D) No node, as a Raman pump is used in Node A.

3. Consider the exhibit. A single directional fiber cut is occurring between two amplifiers in bidirectional configuration. Which node(s) will report a "LD Input LOS" alarm?

A) Node C only
B) Node B only
C) Node A only
D) Node A and Node B

4. Which of the following statements about the Wavelength Tracker (WT) capability is TRUE?

A) Wave Keys are originated by optical amplifiers.
B) WT is compatible with other vendor domains, but the user must make sure that Wave Keys are unique on the crossed domains.
C) WT uses a unique identifier based on a pair of numbers encoded by Raman amplifiers into each service wavelength direction.
D) WT uses a unique identifier based on a pair of numbers encoded by Optical Transponders OTs) into each service wavelength direction.

Solutions: