4A0-265 Practice Online

Question 1

Which of the following issues can cause a "Loss too low" message to be displayed after a power adjustment has been provided?

A : Unstable optical power levels

B : A dirty fiber connector

C : An incorrect EPT network design

D : A defective WSS unit

Answer: A

Question 2

Suppose a node is experiencing a little unexpected attenuation over the Optical Supervisory Channel (OSC) transmit direction. Which of the following statements is FALSE?

A : No OSC-related alarms will raise on the local node

B : A "Data Link Down" alarm will raise on the adjacent nodE

C : A Power adjustments action will fail on the local node.

D : Traffic will pass between the local and adjacent node.

Answer: A

Question 3

Consider the exhibit. Given the following power readings, what is the calculated span loss from Node A to Node B?

A : 10.0 dB

B : 8.0 dB

C : 5.0 dB

D : 2.0 dB

Answer: A

Question 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 :

In unidirectional configurations, both ingress and egress power adjustments are performed against the ingress amplifiers only

D :

When Raman pumps are used, both ingress and egress power adjustments are performed against the Raman pump directly.

Answer: A

Name:	Nokia Optical Diagnostics and Troubleshooting
Exam Code:	4A0-265
Certification:	Optical Network Design Expert
Vendor:	Nokia
Total Questions:	40
Last Updated:	May 06, 2024

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