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  • Exam Name: Nokia GMPLS-Controlled Optical Networks
  • Last Update: 27-May-2024
  • Questions and Answers: 40
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4A0-220 Questions and Answers

Question # 1

Which of the following best describes the Soft Shutting Down state in the NFM-T?

A.

An automatic shutdown of a TE-link and all of the LSPs in the TE-link

B.

A soft synchronization state where new traffic is not allowed

C.

An administrative maintenance state where services stay up but no new traffic can be routed over the TE-link

D.

A transient state where current SNCs are soft-rerouted away from the TE-link

Question # 2

What is the function of the OSPF-TE protocol?

A.

To monitor the availability of the links interconnecting adjacent nodes

B.

To exchange with other nodes data about the state of links

C.

To assign different priority to various types of transported signals

D.

To create an MPLS tunnel between two or more end points

Question # 3

What is the purpose of preemption when establishing an LSP?

A.

To measure the end-to-end latency

B.

To pick the next hop during LSP signalling

C.

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

D.

To assign the correct wavelengths depending on the type of traffic

Question # 4

Automation is one of the key features of GMPLS. What is its main benefit?

A.

Reducing OPEX

B.

Reducing CAPEX

C.

Providing resilience against multiple failures

D.

Supporting multi-vendor networks

Question # 5

A network with ROADM GMPLS nodes and optical transponder connections could have:

A.

L0 restoration capabilities

B.

L1 restoration capabilities

C.

L0 and LI restoration capabilities

D.

No restoration capabilities

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