Nokia 4A0-205 Nokia Optical Networking Fundamentals Online Training

Question #1

How does a Raman pump work in the 1830 specific implementation?

A . The amplification is done simultaneously for all channels as they enter the board.
B . As the incoming signal power increase, the gain of the amplifier is reduced.
C . The pump light travels in the same direction of the signal, amplifying it while it flows in the fiber towards the following node.
D . The pump light travels in the opposite direction of the signal to be amplified, amplifying it while it arrives from the adjacent node.

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Question #2

Which of the following sentences about FlexGrid is false?

A . FlexGrid allows a more efficient channel spacing.
B . Channels in FlexGrid systems are allocated with a granularity of 27.5GHz.
C . FlexGrid systems use specific sets of boards. Old generation WDM systems need to be upgraded to support FlexGrid.
D . The FlexGrid is currently standardized by ITU-T.

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Question #3

Which of the following statements is true about chromatic dispersion (CD)?

A . Different channels have different bandwidth and this causes different CD performances.
B . The fiber attenuation changes along the fiber, and when the light crosses these differences the CD takes place.
C . Different wavelengths propagate at different speeds within the same media and therefore different colors travel in the fiber with different speed.
D . The fiber attenuation introduces inter-channel interference.

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Question #4

Which of the following applications is related to Wavelength Tracker tool?

A . Collecting logs related to possible issue affecting a wavelength path
B . Tracking the protection path for a specific wavelength
C . Tracing the end-to-end wavelength optical power
D . Correcting errors related to wavelength inconsistencies

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Question #5

What is the purpose of the validate step in the EPT design process?

A . During this step, the configuration available on the involved network elements is compared with the design provided byEPT.
B . This step is used to measure optical power performances over an existing network before making changes.
C . This step is optional and is useful to verify the network element layout before going through the commission step.
D . During this step, the run design action is triggered for network design consistency check and errors fixing.

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Question #6

What is a degree-1 node?

A . A node with only one direction and therefore a terminal node
B . A node with only one express channel and therefore made of two sides
C . A node with only east and west sides without directions towards north and south
D . A node with one direction only and therefore used as In-Line-Amplifier (ILA)

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Question #7

What is the function of a pre-amplifier in an optical network?

A . Through the pre-amplifier, the optical signal is amplified at the receiver side after it travels along the fiber from another node.
B . Through the pre-amplifier, the optical signal is amplified at the transmitter side before it is sent to the line span.
C . Through the pre-amplifier, the optical signal is amplified both the receiver side and at the transmitter side.
D . Through the pre-amplifier, the optical signal is amplified within the node internally to recover internal losses due, for instance, to cascaded filters.

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Question #8

What does it take to get connected to the NSP platform?

A . A browser and the NSP IP address; and from the landing page, the NSP application should be downloaded and launched.
B . A browser and the NSP IP address. Then, a browser plugin needs to be installed and the laptop rebooted before the NSP can be correctly reached.
C . A browser, the NSP IP address, and the credentials to access the web-based interface (WebUI).
D . The NSP package should be downloaded from the Nokia website and properly licensed for thespecific workstation to be used.

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Question #9

Is it possible to mix PSS-24x and PSS-8x shelves In an SWDM configuration?

A . Yes, as both can be equipped within the same node
B . No, as they are not compatible and cannot be used within the same node
C . Yes, but the PSS-24X shelf must be configured as a master
D . Yes, but the PSS-8X shelf must be configured as a master

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Question #10

What is the metro area network?

A . The metro area network is that portion of network that passes through a city to provide connections to several customers.
B . The metro area network is located between access and core domains.
C . The metro area network is made of OCS/SWDM nodes only, as no pure photonic nodes are used here.
D . The metro area network is located in between two access area networks and made of photonic nodes only (no OCS/SWDM nodes are used there).

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Nokia 4A0-205 Nokia Optical Networking Fundamentals Online Training