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Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. Which of the following statements about the alarm masking mechanism is TRUE?

A) The alarm masking mechanism preserves the events' original time stamps, when related alarms gets hidden and then eventually displayed because of the mechanism itself, so that the user can still know the date and time of the original issue.
B) The alarm masking mechanism makes sure that alarms are always present on the downstream interfaces to facilitate the troubleshooting process.
C) The alarm masking mechanism always forwards masked alarms to an external Network Management System (NMS) for alarm correlation.
D) The alarm masking mechanism updates the events' original time stamps when it masks/shows alarms, so that when an alarm is not masked anymore, the user can see the updated date and time associated with the original issue.

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

3. Which of the following statements about 1-Day PMs is TRUE?

A) 1-Day PMs show measurements collected over the preceding 24 hours. Up to 8 bins are available for data storing.
B) 1-Day PMs show measurements collected since the beginning of the current day. Up to 33 bins are available for data storing.
C) 1-Day PMs show measurements collected since the beginning of the current day. Up to 8 bins are available for data storing.
D) 1-Day PMs show measurements collected over the preceding 24 hours. Up to 33 bins are available for data storing.

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

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

Solutions: