Nokia Exam 4A0-205 Topic 5 Question 10 Discussion

Actual exam question for Nokia's 4A0-205 exam

Question #: 10
Topic #: 5

What is the meaning of first, second, and third window in the optical fiber propagation context?

AThese windows correspond to three different minimum and maximum optical power levels used for optical transmission.

BThese windows are three different wavelength intervals where the WDM optical transmission occurs.

CThese three windows are three different angles of incidence of the light injected by the laser into the fiber.

DDifferent optical transmission windows correspond to different safety requirements and rules for the related lasers operating with these windows.

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Suggested Answer: A

A star topology is a network design where all devices are connected to a central hub, which acts as a central point of control and management for the network. This type of topology is commonly used in access networks, where a central node is used to aggregate traffic from multiple users or devices, and then forward it to the core network. This design allows for efficient use of resources and easy management of the network.

'Computer Networking: A Top-Down Approach' by James Kurose and Keith Ross (Chapter 3)

'Data Communications and Networking' by Behrouz A. Forouzan (Chapter 2)

by Dominque at May 25, 2023, 06:18 PM

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18 days ago

I think the first, second, and third window in optical fiber propagation context refer to different wavelength intervals.

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