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Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. On a bidirectional optical amplifier configuration, which of the following are Wavelength Tracker detection points?

A) SIG interface only.
B) LINEOUT and SIGOUT interfaces.
C) An optical amplifier has no Wavelength Tracker detection points.
D) LINE and SIG interfaces.

2. Suppose a network operator needs to configure the 10GbE client interface 1/7/C1 with a GFP-F encapsulation mode. Which command should be used?

A) config interface 1/7/C1 tenGige encmode gfp-f
B) config interface 1/7/C1 encmode 10client gfp-f
C) config encmode interface 1/7/C1 10client gfp-f
D) config encmode interface 1/7/C1 tenGige gfp-f

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

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

4. Which of the following statements about optical power vs amplification stages is TRUE?

A) When channels pass through amplifiers, all of them always experience a similar amplification.
B) When multiple channels pass through a shared port (for example, an amplifier line interface), the total aggregated power reflects the number of channels currently present.
C) Ingress amplifiers are always more powerful [than egress amplifiers, to reduce the impact of non-linear effects.
D) The Optical Supervisory Channel (OSC) is amplified when passing through all amplifier types, except for Raman which is not based on EDFA.

Solutions: