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Nokia 4A0-255 - Nokia Advanced Optical Network Design

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Total 40 questions

Which of the following best describes self-phase modulation?

A.

It is a type of modulation format exploiting the phase to carry information.

B.

It is a phase shift suffered by an optical signal caused by its power intensity.

C.

It is s type of impairment that can be compensated usingDCMs

D.

It is a type of impairment cause by spectrally adjacent channels.

Which of the following statements about the management plane data Communications Network (DCN) is correct?

A.

The management plane DCN uses in-band communication.

B.

The management plane DCN can be connected to each NEs via OSS/OBS interface.

C.

The management plane DCN can be connected to each NEs directly.

D.

The management plane DCN enables direct communication between the NEs.

What does an OPU tributary slot contain, when multiplexing OTN frames?

A.

An OUT.

B.

An ODU.

C.

An OPU.

D.

An OH byte

Which of the following best describes Four Wave Mixing (FWM)?

A.

FWM is a linear impairment that produces crosstalk four adjacent wavelengths are used.

B.

FWM is a non-linear impairment that produces crosstalk at the sum and difference of two wavelengths.

C.

FWM is a non-linear impairment resulting from varying velocities at different frequencies.

D.

FWM is a linear impairment resulting from pulses broadening over ultra-longdistances

Consider an OTN-based network controlled by GMPLS. Which of the following statements is correct?

A.

An OCH LSP can be routed through an ODU LSP.

B.

An ODU LSP can be routed through an OCH LSP.

C.

An ODU LSP is routed between two photonic layer nodes.

D.

The routing of the individual ODU frames is based on their label

Which of the following statements about GMPLS features is FALSE?

A.

GMPLS is able to manage the optical network through the DCN.

B.

GMPLS is able to control OTN networks.

C.

GMPLS is able to compute the routing of the optical channels.

D.

GMPLS is able to automatically provision the optical channels.

Consider the exhibit that shows a link power budget diagram. Which of the following is represented at location 2?

A.

Power range

B.

OSNR margin

C.

Minimum attenuation

D.

System aging margin

Where is guardbandmandatoryfor EMF?

A.

Between 10G and 40G channels

B.

Between 10G and 100G channels

C.

Between 10G and 200G channels

D.

Between 40G and 100G channels

Consider the exhibit showing the schematic for an NE ina deployed optical network. Thetraffic growth forecast is for the use of 40 channels in 3 years. The customer needs to reduce thespace for the shelf. Among the following, which additional input is NOT necessary to meet these specific requirements?

A.

Rack size

B.

Expected traffic added-dropped at the site

C.

Mean time to repair for the equipment

D.

Power supply

Which of the following is NOTan advantage of super-channels?

A.

Improved spectral efficiency

B.

Simplified management of the carriers

C.

Narrower spacing between carries of the super-channel

D.

Impairment-free transmission