Nokia 4A0-265 : Nokia Optical Diagnostics and Troubleshooting

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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

1. Which of the following statements best describes the output of the command: show xc 1?

A) OCH trail name, ITU channel, administrative/operational states, protection states, and Wave Keys for both directions.
B) A list of cross-connections, including A-end, Z-end, frequency, ID number, OCH trail name, and administrative/operational states.
C) A list of all boards on all nodes that this cross-connection passes through, along with expected power levels, measured power levels, and allowed power deviations.
D) A list of boards that this cross-connection passes through on the local node, along with administrative/operational states, expected power levels, and measured power levels.

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

3. Which of the following statements about the Wavelength Tracker (WT) capability is TRUE?

A) WT uses a unique identifier based on a pair of numbers encoded by Optical Transponders OTs) into each service wavelength direction.
B) WT is compatible with other vendor domains, but the user must make sure that Wave Keys are unique on the crossed domains.
C) Wave Keys are originated by optical amplifiers.
D) WT uses a unique identifier based on a pair of numbers encoded by Raman amplifiers into each service wavelength direction.

4. Which of the following statements about the "config powermgmt egress 1/2 adjust status command" is TRUE?

A) The command displays the status of power adjustment on the specified egress amplifier.
B) The command displays commissioning status and WT decoder usage for the specified egress amplifiers only, as this feature is always and only done in the egress direction.
C) The command enables power adjustment feature on the specified egress amplifier, as this feature Is always and only available at the egress amplification stage.
D) The command enables power adjustment feature on the specified egress amplifier.

Solutions: