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. Consider the exhibit. A single directional fiber cut is occurring between two amplifiers in unidirectional configuration with Raman pump.
Multiple services are crossing the affected span.
Which node(s) will report an Incoming Payload LOS" alarm?

A) No node, as a Raman pump is used in Node A.
B) Both Node A and Node C
C) Neither Node A nor Node C.
D) Node C only.

2. Which of the following statements about using Nokia product documentation in the troubleshooting process is TRUE?

A) The Customer Release Notes (CRNs) document collects documented solved known issues, new issues discovered after the product software has been released.as well as software upgrade procedures and firmware details.
B) Before investigating a problem it is important to check the Engineering and Planning Tool User Guide (EPTUG) if a possible issue has already been acknowledged by the Product Unit (PU).
C) Before investigating a problem it is important to check the User Provisioning Guide (UPG) if a possible issue has already been acknowledged by the Product Unit (PU).
D) The Customer Release Notes (CRNs) provides instructions to perform the automated provisioning, commissioning, and power balancing functions in a customer network based on the Nokia 1830 PS5 platform.

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

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

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

A) 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.
B) 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.
C) A list of cross-connections, including A-end, Z-end, frequency, ID number, OCH trail name, and administrative/operational states.
D) OCH trail name, ITU channel, administrative/operational states, protection states, and Wave Keys for both directions.

Solutions: