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Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. Which of the following statements best describes the payload type setting?

A) Payload type attribute Is recorded within the client payload and can be set automatically.
B) Payload type attribute is recorded within the client payload and must be entered manually.
C) Payload type attribute is recorded within the OTN overhead and can be set automatically or manually.
D) Payload type attribute is recorded within the OTN overhead and must be entered manually.

2. When troubleshooting possible generic fiber cuts, the recommended first step is to: 1. Review alarms at nodes where power loss occurs.
What is the next recommended step?

A) Review EPT design for calculated span loss.
B) Review PM data to determine if the problem is intermittent.
C) Monitor amplifier total power in/out to isolate the direction of a possible cut.
D) Perform network power traces to attempt to determine the point of power loss.

3. Which of the following is NOT a characteristic of an Optical Supervisory Channel Loss of Signal (OSC LOS) issue, in case that no "LD Input LOS" alarms are raised against the involved amplifiers?

A) A "Power Adjustment Required" alarm is eventually raised on the local node.
B) A "Data Link Down" alarm is raised on the adjacent node.
C) Traffic does not pass between the local and adjacent nodes.
D) An "Incoming SUPVY LOS" alarm is raised on the local node.

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

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

Solutions: