Download Nokia Optical Networking Fundamentals.4A0-205.ExamTopics.2026-10-21.50q.vcex

A Y-cable is a special cable splitting one signal into two outputs, typically used at the client side between the external device and the transponder client interfaces.

A Y-cable is a special card splitting one signal into two outputs, typically used to split the colored signal and the egress of a transponder (line interface).

A Y-cable is a special cable used for E-SNCP protection to split the incoming signal into two separate outputs connected to the same I/O card.

A Y-cable is a special cable used for dual homing (DH) protection mechanisms where one single source is providing the signal towards two destinations.

Yes, the user can apply manual change directly from this view

Yes, but the user can modify only the node name and location

No, this view is used to display a close-up view of the node

Yes, the user can apply manual changes but only for non-GMPLS nodes, as the control plane reserves node resources not editable by the user

A node with only one direction and therefore a terminal node

A node with only one express channel and therefore made of two sides

A node with only east and west sides without directions towards north and south

A node with one direction only and therefore used as In-Line-Amplifier (ILA)

The amplification is done simultaneously for all channels as they enter the board.

As the incoming signal power increase, the gain of the amplifier is reduced.

The pump light travels in the same direction of the signal, amplifying it while it flows in the fiber towards the following node.

The pump light travels in the opposite direction of the signal to be amplified, amplifying it while it arrives from the adjacent node.

Transport multiple signals transparently, onto several wavelengths, all together over one single fiber

Increase the bit rate of each client signal by spreading it over multiple wavelengths

Share a single signal among multiple fibers doing load balancing, and thus increasing the reliability of the optical transmission

Allocate different signals to different time slots

Different channels have different bandwidth and this causes different CD performances.

The fiber attenuation changes along the fiber, and when the light crosses these differences the CD takes place.

Different wavelengths propagate at different speeds within the same media and therefore different colors travel in the fiber with different speed.

The fiber attenuation introduces inter-channel interference.

Demand refers to the amount of OTN interfaces within a single network element.

Demand refers to the required capacity of a single network element in terms of bandwidth.

Demand refers to the required number of trails to be automatically created to meet design requirements.

Demand refers to one or more client signal.

Tracing a service along an optical path.

Testing a node's internal fiber connectivity before service provisioning.

Performing channel power monitoring.

Detecting unexpected or missing channels.

Configuring new WSS cards is the most effective way to give flexibility and network bandwidth to an existing mesh network.

The Protection and Restoration Combined (PRC) mechanism can enable more bandwidth but only for the protected services.

Upgrading the network to coherent transmission is the only effective way to enable more bandwidth to the existing mesh network.

Upgrading link capacity and/or installing new links provides more bandwidth to the existing mesh network.

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

A device that groups multiple lambdas in one multiplexed signal.

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

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).