Expert Answers to Nokia Exam 4A0-220 Questions

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Nokia Optical Network Services Expert Nokia GMPLS-Controlled Optical Networks

Nokia GMPLS-Controlled Optical Networks

Last Update Oct 4, 2026
Total Questions : 40

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Questions 2

How do you configure the Trail template in NFM-T for an Uplink board (such as 2UC400) in an MRN network with LO and LI restoration capabilities?

Questions 2

Options:

Check the Logical Link box

Set the Port Type to Unterminated Check the ASON Routed box Uncheck the ASON Tunnel box

Uncheck the Logical Link box Set the Port Type to Terminated Check the ASON Routed box Uncheck the ASON Tunnel box

Check the Logical Link box

Set the Port Type to Unterminated Check the ASON Routed box Check the ASON Tunnel box

Uncheck the Logical Link box Set the Port Type to Terminated Check the ASON Routed box Check the ASON Tunnel box

Discussion 0

Questions 3

What is a Label Switched Path (LSP)?

Options:

A protocol used by nodes to exchange information about the state of labels

A switched protection path

The path created by MPLS nodes

A High Order Container for client signal

Discussion 0

Questions 4

What is the purpose of preemption when establishing an LSP?

Options:

To measure the end-to-end latency

To pick the next hop during LSP signalling

To tear down an existing LSP in order to accommodate higher priority traffic

To assign the correct wavelengths depending on the type of traffic

Discussion 0

Questions 5

How do you add a 3R resource to the NPA in NFM-T?

Options:

The 3R is added in the Node panel and automatically added to the NPA

The 3R is added to the NPA through the Constraint Wizard

The resource is discovered automatically

The trail is provisioned with 3R constraints and discovered automatically

Discussion 0

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