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Nokia Exam 4A0-205 Topic 1 Question 6 Discussion
Actual exam question for
Nokia's
4A0-205 exam
Question #: 6
Topic #: 1
[All 4A0-205 Questions]
Topic #: 1
What is a trail?
Suggested Answer:
B
A trail is a transparent transport of a client signal. A trail is a physical link between two points in an optical network, allowing for the transport of a client signal from one point to the other. It is a low-order signal, such as a 10G Ethernet or a Fibre Channel signal, encapsulated into a high-order container, such as a 40G or 100G signal. This allows for the transport of the client signal over longer distances, increasing the power budget of the optical link.
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