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Nokia Optical Networking Fundamentals Sample Questions (Q22-Q27):

NEW QUESTION # 22
How are the EPT systems related to NFM-T when CPB is performed?

A. The systems are displayed on the CPB panel, however they cannot be individually selected as they need to run all together
B. The systems are not reported on CPB, but only through the Equipment Manager
C. The systems are not reported on CPB, as this Is transparent to the user and the whole network is validated and provisioned in one step
D. The systems are displayed on the CPB panel and they can be individually selected

Answer: D

Explanation:
The EPT systems are displayed on the CPB (Commissioning Parameter Builder) panel and they can be individually selected. This allows the user to configure the network elements in the network and provision them according to their specific requirements. The systems are not reported on CPB, but through the Equipment Manager. The Equipment Manager is the interface used to configure the network elements and the EPT systems. The NFM-T is not related to the CPB and does not affect the CPB process.

NEW QUESTION # 23
What is the purpose of the NFM-T node synchronization?

A. The partial or full node synchronization allows several entities/items defined at NFM-T level to be exported into an XML file, to be used as input for EPT (download to design).
B. The partial or full node synchronization allows several entities/items defined at node level to be retrieved into the NFM-T database (upload).
C. The partial or full node synchronization allows several entities/items defined at EPT level to be retrieved into the NFM-T database (upload from design).
D. The partial or full node synchronization allows several entities/items defined at NFM-T level to be written into the node database (download).

Answer: D

Explanation:
This is done in order to keep the NFM-T database in sync with the nodes in the network. The synchronization process allows the NFM-T to keep track of any changes that are made to the nodes, such as new nodes added, nodes removed, and so on. By synchronizing the node database with the NFM-T, network administrators can ensure that their network is up to date and running efficiently.

NEW QUESTION # 24
Which statement is correct about node synchronization?

A. Full synchronization retrieves the correlated alarms from the node
B. Node synchronization is executed to align the time of the node to the time of the NFM-T platform
C. Full synchronization retrieves all items from the node (NE parameters. Ports, Alarms, Internal Links, etc)
D. Node synchronization is executed to test the reachability of a node

Answer: C

Explanation:
Node synchronization is a process of keeping the NFM-T database in sync with the nodes in the network. The synchronization process will download all the items from the node, including NE parameters, ports, alarms, internal links, etc., to the NFM-T database. This ensures that the NFM-T database is up to date and the network is running efficiently.

NEW QUESTION # 25
Which of the following statements about the ODUk unit is TRUE?

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

Answer: A

Explanation:
Comprehensive and Detailed Explanation From Nokia Optical Networking Fundamentals:
In the Optical Transport Network (OTN) hierarchy, the ODUk (Optical Data Unit of order k) is the fundamental unit for electronic grooming and switching. Unlike the OTUk layer, which is tied to a specific physical optical interface and includes the Forward Error Correction (FEC), the ODUk layer is "path-oriented." This means that in a switched WDM system like the Nokia 1830 PSS-24x, the ODUk containers can be switched across a backplane from one line card to another without needing to deconstruct the entire optical signal.
To clarify the other options: Option A is false because FEC is part of the OTUk (Transport Unit) layer. Option C is false because ODUk processing is entirely electrical (O-E-O must occur to access the ODUk overhead). Option D is false because the OPU (Optical Payload Unit) is actually the "first" container where the client signal is mapped; the ODUk then wraps around the OPU to add path-level monitoring and maintenance signals. Therefore, the ODUk acts as the "virtual container" that allows the network to manage services end-to-end across multiple optical spans.

NEW QUESTION # 26
Which statement is correct about the NFM-T network map?

A. It represents all supervised nodes grouped by alarm status (with a different color).
B. It automatically represents all nodes grouped by the location string assigned during the NE creation.
C. It allows context sensitive navigation and represents nodes and related physical connections with different colors. depending on the active alarms.
D. It allows the graphical visualization of the services deployed in the network with the details of the boards involved in the service.

Answer: C

Explanation:
The NFM-T network map provides a graphical view of the network with different colors used to represent each node, physical connection, and active alarm. It allows the user to quickly identify any issues in the network and provides context sensitive navigation.

NEW QUESTION # 27
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