Free Nokia 4A0-205 Practice Test & Real Exam Questions

Exam Code/Number: 4A0-205
Exam Name/Title: Nokia Optical Networking Fundamentals
Certification Provider: Nokia
Corresponding Certification: Nokia Optical Network Professional

Exam Questions: 62
Updated On: Jul 11, 2026

Question #8

In which window(s) does the attenuation reach its minimum peak?

A. Both first and second windows

B. First window (850 nm)

C. Second window (1300 nm)

D. Third window (1550 nm)

Discussion 0

Correct Answer: D Vote an answer

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Question #9

How can a mesh network be upgraded so that more services can be transported?

A. Upgrading the network to coherent transmission is the only effective way to enable more bandwidth to the existing mesh network.

B. Configuring new WSS cards is the most effective way to give flexibility and network bandwidth to an existing mesh network.

C. Upgrading link capacity and/or installing new links provides more bandwidth to the existing mesh network.

D. The Protection and Restoration Combined (PRC) mechanism can enable more bandwidth but only for the protected services.

Discussion 0

Correct Answer: C Vote an answer

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Question #10

Which of the following are the main reasons for fiber attenuation?

A. Chromatic dispersion (CD) and polarization mode dispersion

B. Small channel spacing

C. Scattering and absorption

D. Refraction and reflection

Discussion 0

Correct Answer: C Vote an answer

Question #11

What is the function of the express channel interface?

A. It drops high capacity channels in the local node.

B. It passes all the channels not terminated in the local node through the downstream node.

C. It enables the high speed route for all channels passing through that interface.

D. It enables the high speed route for all channels terminated in the local node.

Discussion 0

Correct Answer: B Vote an answer

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Question #12

Which statement is correct about the NFM-T network map?

A. It represents all supervised nodes grouped by alarm status (with a different color).

B. It allows the graphical visualization of the services deployed in the network with the details of the boards involved in the service.

C. It automatically represents all nodes grouped by the location string assigned during the NE creation.

D. It allows context sensitive navigation and represents nodes and related physical connections with different colors. depending on the active alarms.

Discussion 0

Correct Answer: D Vote an answer

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Question #13

Which use case is most suitable for the deployment of a star topology?

A. SNCP-protected links

B. Backbone networks, for supporting protection routes

C. ASON networks, to protect traffic via GMPL5 protocols

D. Access networks, for collecting traffic towards the main central node

Discussion 0

Correct Answer: D Vote an answer

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Question #14

What is the purpose of the NFM-T deploy menu?

A. It is used to import EPT files to deploy the network based on the EPT design.

B. It is used to create new network instances, such as physical connections, infrastructures and services.

C. It is used to deploy additional shelves to existing SWDM nodes.

D. It is used to deploy new operators (administrator, observers, and so on) to access the platform.

Discussion 0

Correct Answer: B Vote an answer

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