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Nokia Certification Nokia Optical Diagnostics and Troubleshooting

Nokia Optical Diagnostics and Troubleshooting

Last Update May 5, 2024
Total Questions : 40

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Questions 4

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

Options:

A.  

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.

B.  

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.

C.  

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.

D.  

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.

Discussion 0
Questions 5

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

Options:

A.  

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).

B.  

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.

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) 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.

Discussion 0
Questions 6

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?

Options:

A.  

Review PM data to determine if the problem is intermittent.

B.  

Perform network power traces to attempt to determine the point of power loss.

C.  

Monitor amplifier total power in/out to isolate the direction of a possible cut.

D.  

Review EPT design for calculated span loss.

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Questions 7

Which of the following correctly describes how a unidirectional amplification stage works?

Options:

A.  

• Incoming optical signals are boosted by the ingress amplifier.

• Outgoing optical signals do not pass through the ingress amplifier.

B.  

• Incoming optical signals are boosted by the ingress amplifier.

• Outgoing optical signals pass through the ingress amplifier but are not boosted.

C.  

• Incoming optical signals pass through the ingress amplifier but are not boosted.

• Outgoing optical signals are boosted by the ingress amplifier.

D.  

• Incoming optical signals are boosted by the ingress amplifier.

• Outgoing optical signals are also boosted by the ingress amplifier.

Discussion 0
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