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Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. What is the typical severity level of a "Loss of Signal" (LOS) alarm?

A) Warning
B) Critical
C) Major
D) Minor

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

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

3. Suppose a node is experiencing a little unexpected attenuation over the Optical Supervisory Channel (OSC) transmit direction. Which of the following statements is FALSE?

A) A "Data Link Down" alarm will raise on the adjacent node.
B) No OSC-related alarms will raise on the local node.
C) Traffic will pass between the local and adjacent node.
D) A Power adjustments action will fail on the local node.

4. Which of the following statements correctly describes where power adjustments can be performed?

A) In bidirectional configurations, both ingress and egress power adjustments are performed against the ingress amplifiers only.
B) In bidirectional configurations, ingress power adjustments are performed against the ingress amplifiers, while egress power adjustments are performed against the egress amplifiers.
C) In unidirectional configurations, both ingress and egress power adjustments are performed against the ingress amplifiers only.
D) When Raman pumps are used, both ingress and egress power adjustments are performed against the Raman pump directly.

Solutions: