Nokia Optical Diagnostics and Troubleshooting 認定 4A0-265 試験問題:

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

A) The command enables power adjustment feature on the specified egress amplifier, as this feature Is always and only available at the egress amplification stage.
B) The command displays the status of power adjustment on the specified egress amplifier.
C) The command enables power adjustment feature on the specified egress amplifier.
D) 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.

2. Suppose a channel-related alarm is reported on an 1830 PSS node, and is related to a possible Wave Keys clock source issue. What is the recommended order for the following troubleshooting steps?

A) 1. Replace the suspect PF.
2. Retrieve the channel power trace.
3. Switch to alternate clock source (PF).
4. Determine the active clock reference source.
B) 1. Determine the active clock reference source.
2. Replace the suspect PF.
3. Retrieve the channel power trace.
4. Switch to alternate clock source (PF).
C) 1. Retrieve the channel power trace.
2. Determine the active clock reference source.
3. Switch to alternate clock source (PF).
4. Replace the suspect PF.
D) 1. Retrieve the channel power trace.
2. Replace the suspect PF.
3. Determine the active clock reference source.
4. Switch to alternate clock source (PF).

3. Consider the exhibit which shows an EPT Power ManagementReport for an ingress amplifier.
What is the available output optical power range?

A) 0.56 to 1.72 dB
B) 0.56 to 1.14 dB
C) -0.6 to 1.72 dB
D) -0.02 to 1.14 dB

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

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

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