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

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

3. Refer to the exhibit, which shows a conditions list from the 1830 PSS GUI. (i) What is the total number of alarms reported? (ii) How many service affecting alarms are displayed? (iii) How many conditions are displayed?

A) (i) total number of alarms = 7
(ii) number of service affecting alarms = 5
(Hi) number of conditions = 7
B) (i) total number of alarms = 2
(ii) number of service affecting alarms = 2
(Hi) number of conditions = 18
C) (i) total number of alarms = 4
(ii) number of service affecting alarms = 14
(iii) number of conditions = 2
D) (I) total number of alarms = 5
(ii) number of serviceaffectingalarms = 2
(Hi) number of conditions = 14

4. 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.

Solutions: