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4A0-205 Exam Dumps : Nokia Optical Networking Fundamentals

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Nokia Optical Networking Fundamentals Questions and Answers

Question 1

What is a trail?

Options:

A.

An entity to encapsulate a low order signal into a high order container

B.

A transparent transport of a client signal

C.

A link between end points to increase the power budget of the optical link

D.

A physical link between two optical amplifiers

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Question 2

With reference to trails and services, which of the following sentences is correct?

Options:

A.

Trails are transported over services; that is, trails are clients with respect to services.

B.

A trail can interconnect three ports, while a service always two.

C.

Services are transported over trails; that is, services are clients with respect to trails.

D.

A service is always associated to a single wavelength, while a trail can involve multiple wavelengths.

Question 3

What is an optical switch?

Options:

A.

A device that selectively transfers an optical signal from one port to another.

B.

A device that groups multiple lambdas in one multiplexed signal.

C.

A device that selectively transfers an optical ODU frame from one port to another.

D.

A device that converts optical signal to electrical to allow switching through the electrical matrix, and then again to optical towards the next card (and versa).