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Nokia Optical Networking Fundamentals - 4A0-205 Exam Questions

Page: 1 / 9
Total 62 questions

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QUESTION NO: 1
What is an optical switch?

A. A device that selectively transfers an optical signal from one port to another. B. 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). C. A device that groups multiple lambdas in one multiplexed signal. D. A device that selectively transfers an optical ODU frame from one port to another.

Correct Answer: A

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QUESTION NO: 2
Which of the following statements about the ODUk unit is TRUE?

A. The ODUk is processed at an optical level. B. The ODUk contains the FEC. C. The ODUk is the basic payload that can be electronically groomed and switched in the OTN network. D. The ODUk is the first container in which the client signal is inserted.

Correct Answer: C

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QUESTION NO: 3
When monitoring the quality of the received signal in WDM, an open eye indicates:

A. Presence of high inter-symbolic interference B. High jitter C. Low noise D. High distortion

Correct Answer: C

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QUESTION NO: 4
A user needs to retrieve the active alarm list from a network element. Which command should be issued through an 1830 PSS CLI?

A. display alarms B. show active alarms C. alm D. retrieve alarms

Correct Answer: C

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QUESTION NO: 5
With reference to trails and services, which of the following sentences is correct?

A. A trail can interconnect three ports, while a service always two. B. Trails are transported over services; that is, trails are clients with respect to services. 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.

Correct Answer: C

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QUESTION NO: 6
What is the meaning of demand in EPT?

A. Demand refers to the required capacity of a single network element in terms of bandwidth. B. Demand refers to one or more client signal. C. Demand refers to the amount of OTN interfaces within a single network element. D. Demand refers to the required number of trails to be automatically created to meet design requirements.

Correct Answer: B

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QUESTION NO: 7
By using the EPT run design command, are the previously designed elements removed?

A. Yes, although this is not happening in case of GMPLS-enabled nodes because existing slots cannot change as they are controlled by another manager (GMRE). B. It depends, the user is prompted to choose whether to delete or leave the previously designed elements. C. Yes, they are but only the first time the command is launched as - for future design phases - the existing packs need to keep the same slotting. D. Not the design is always progressive, on top of the previous design.

Correct Answer: B

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Page: 1 / 9
Total 62 questions

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