100% Free 4A0-265 Practice Exam Questions and Answers

Stay Ahead with Latest 4A0-265 Optical Network Design Expert Practice Test Questions 2026

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Total 40 Questions | Updated On: Sep 22, 2026

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Question 1

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

Question 2

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 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

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 5

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

Page: 1 / 8

Total 40 Questions | Updated On: Sep 22, 2026

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