Nokia Nokia Optical Network Services Expert 4A0-265

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Nokia 4A0-265 Exam Syllabus Topics:

Nokia Optical Diagnostics and Troubleshooting Sample Questions:

Question #1

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

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

Question #2

Suppose a "Channel Absent" alarm is reported on an 1830 PSS node. What is the recommended order for the following troubleshooting steps?

A. 1. Retrieve the cross-connection (XC) details and see what virave Keys should be present.
2. Go to the suspected troubled node / card / port and look at Wave Keys (in / out).
3. Retrieve the channel power trace.
4. Check observed Wave Keys against expected Wave Keys.
B. 1. Check observed Wave Keys against expected Wave Keys.
2. Go to the suspected troubled node / card / port and look at Wave Keys (in / out).
3. Retrieve the channel power trace.
4. Retrieve the cross-connection (XC) details and see what Wave Keys should be present.
C. 1. Go to the suspected troubled node / card / port and look at Wave Keys (in / out).
2. Retrieve the cross-connection (XC) details and see what Wave Keys should be present.
3. Check observed Wave Keys against expected Wave Keys.
4. Retrieve the channel power trace.
D. 1. Retrieve the channel power trace.
2. Retrieve the cross-connection (XC) details and see what Wave Keys should be present.
3. Go to the suspected troubled node / card / port and look at Wave Keys (in / out).
4. Check observed Wave Keys against expected Wave Keys.

Question #3

Which of the following statements about 1-Day PMs is TRUE?

A. 1-Day PMs show measurements collected since the beginning of the current day. Up to 33 bins are available for data storing.
B. 1-Day PMs show measurements collected over the preceding 24 hours. Up to 33 bins are available for data storing.
C. 1-Day PMs show measurements collected since the beginning of the current day. Up to 8 bins are available for data storing.
D. 1-Day PMs show measurements collected over the preceding 24 hours. Up to 8 bins are available for data storing.

Question #4

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

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

Solutions: