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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?


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


A soft synchronization state where new traffic is not allowed


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


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?


To monitor the availability of the links interconnecting adjacent nodes


To exchange with other nodes data about the state of links


To assign different priority to various types of transported signals


To create an MPLS tunnel between two or more end points

Question # 3

What is the purpose of preemption when establishing an LSP?


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

Question # 4

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


Reducing OPEX


Reducing CAPEX


Providing resilience against multiple failures


Supporting multi-vendor networks

Question # 5

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


L0 restoration capabilities


L1 restoration capabilities


L0 and LI restoration capabilities


No restoration capabilities

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