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4A0-220 dumps questions answers

Nokia 4A0-220 Dumps

Exam Code:
4A0-220
Exam Name:
Nokia GMPLS-Controlled Optical Networks
Last Update: Nov 29, 2025
40 Questions with Explanation
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4A0-220 FAQs

The Nokia 4A0-220 Exam, also known as the Nokia Virtual Private Routed Networks (VPRN) Exam, is designed for network professionals who want to validate their expertise in implementing and managing VPRN solutions using Nokia's Service Router products. It is ideal for those working in service provider environments.

While the 4A0-220 exam focuses specifically on VPRN technologies and their implementation, the 4A0-102 exam (Nokia Multiprotocol Label Switching) covers broader MPLS concepts, which are foundational to many networking technologies, including VPRNs.

With the 4A0-220 certification, you can pursue roles such as Network Engineer, Senior Network Specialist, VPRN Engineer, and Network Architect, particularly in service provider or large enterprise environments that use Nokia networking equipment.

Professionals with the Nokia 4A0-220 certification typically see higher salary potential, with roles in VPRN and advanced network engineering offering annual salaries ranging from $90,000 to $130,000 or more, depending on experience and location.

The Nokia 4A0-220 exam is specific to VPRN solutions on Nokia routers, while the Cisco 300-510 SPRI exam covers advanced routing solutions in service provider environments using Cisco technologies. Both focus on service provider routing but within different vendor ecosystems.

Passing the 4A0-220 exam can lead to career advancement, increased job security, and higher earning potential in the field of network engineering, particularly in roles focused on VPRN and service provider networks.

The Nokia 4A0-220 certification is focused on VPRN solutions using Nokia's networking technology, while the Juniper JNCIS-SP certification covers broader service provider networking concepts, including MPLS, within the Juniper ecosystem.

The Nokia 4A0-220 Exam, also known as the Nokia Virtual Private Routed Networks (VPRN) Exam, is designed for network professionals who want to validate their expertise in implementing and managing VPRN solutions using Nokia's Service Router products. It is ideal for those working in service provider environments.

While the 4A0-220 exam focuses specifically on VPRN technologies and their implementation, the 4A0-102 exam (Nokia Multiprotocol Label Switching) covers broader MPLS concepts, which are foundational to many networking technologies, including VPRNs.

With the 4A0-220 certification, you can pursue roles such as Network Engineer, Senior Network Specialist, VPRN Engineer, and Network Architect, particularly in service provider or large enterprise environments that use Nokia networking equipment.

Professionals with the Nokia 4A0-220 certification typically see higher salary potential, with roles in VPRN and advanced network engineering offering annual salaries ranging from $90,000 to $130,000 or more, depending on experience and location.

The Nokia 4A0-220 exam is specific to VPRN solutions on Nokia routers, while the Cisco 300-510 SPRI exam covers advanced routing solutions in service provider environments using Cisco technologies. Both focus on service provider routing but within different vendor ecosystems.

Passing the 4A0-220 exam can lead to career advancement, increased job security, and higher earning potential in the field of network engineering, particularly in roles focused on VPRN and service provider networks.

The Nokia 4A0-220 certification is focused on VPRN solutions using Nokia's networking technology, while the Juniper JNCIS-SP certification covers broader service provider networking concepts, including MPLS, within the Juniper ecosystem.

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Nokia GMPLS-Controlled Optical Networks Questions and Answers

Questions 1

What category of protocols is used by the ingress router to set up a new LSP?

Options:

A.

Coloring protocols

B.

Signaling protocols

C.

Link management protocols

D.

Link aggregation protocols

Questions 2

What is the purpose of preemption when establishing an LSP?

Options:

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

Questions 3

Which of the following statements about the Wait for Server Restoration (WSR) parameter in the MRN is correct?

Options:

A.

When WSR is true, the LO optical channel remains in the link until the failure is fixed.

B.

When WSR is false, if the failed optical channel can be restored at LO, the data traffic stays in the tunnel.

C.

When WSR is true, the LO channels do not wait for the LI services to restore.

D.

When WSR is false, the LI services do not wait for the LO restoration and restore through LI switching.