nokia 4a0-n02 practice test

Nuage Networks Virtualized Network Services (VNS) Fundamentals Exam

Last exam update: Nov 18 ,2025
Page 1 out of 3. Viewing questions 1-15 out of 40

Question 1

Which of the following is a challenge facing enterprise WAN?

  • A. Manual provisioning slows down the new site turn-up.
  • B. There is no Internet access at the remote office.
  • C. OPEX is very high whereas CAPEX is low.
  • D. MPLS VPN is not supported on CPEs.
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Answer:

A

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Question 2

Which of the following is NOT a function of Nuage Networks VNS?

  • A. Automation of the enterprise WAN
  • B. Virtualization of the branch office CPE
  • C. Orchestration of cloud networks
  • D. Providing unified policy across the data center and enterprise WAN
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Answer:

C

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Question 3

Which of the following features is NOT supported by Nuage Networks VNS?

  • A. Service chaining
  • B. Centralized control plane
  • C. MPLS VPN
  • D. IPsec encryption
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A

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Question 4

Which of the following is true regarding the IPsec VPN between the NSGs?

  • A. It encrypts and encapsulates the VXLAN traffic.
  • B. The key for IPsec needs be manually configured on NSGs and must match each other.
  • C. The IPsec tunnel can be directly terminated by VRS in a data center.
  • D. To have IPsec VPN, an encryption function needs to be enabled at each individual NSG.
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Answer:

C

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Question 5

Which of the following is true regarding the VLAN-based VPN on Nuage Networks NSG?

  • A. The NSGs use OpenFlow to exchange routing information between each other.
  • B. The NSGs use VXLAN to exchange routing information between each other.
  • C. The NSGs forward overlay traffic between each other by using an OpenFlow tunnel.
  • D. The NSGs forward overlay traffic between each other by using a VXLAN tunnel.
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Answer:

D

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Question 6

Which of the following is false regarding overlay solutions?

  • A. An ‘overlay network’ is a virtual abstraction built on top of an existing physical network.
  • B. Both VXLAN and TRILL are host-centric overlay solutions.
  • C. Nuage Networks VNS uses a VXLAN-based overlay solution.
  • D. Overlay networks are totally transparent to their physical underlay network.
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Answer:

B

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Question 7

Please, refer to the diagram. If the two VMs are on the same subnet, what is MAC address X4?

  • A. X4 = MAC1
  • B. X4 = MAC4
  • C. X4 = MAC11
  • D. X4 = MAC12
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B

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Question 8

Which of the following is NOT true regarding the certificate authority component on VSD?

  • A. It provides secure communication (TLS) between NSGs and the VSD by an HTTPS proxy.
  • B. It provides secure communication (TLS) between NSGs and the VSC.
  • C. It provides secure communication (TLS) between NSGs and VRSs.
  • D. It provides secure communication (TLS) between the VSC and VRSs.
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A

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Question 9

Which component of the VNS solution belongs to the data plane?

  • A. VSD (Virtualized Services Directory)
  • B. VSC (Virtualized Services Controller)
  • C. VRS (Virtual Routing and Switching)
  • D. NSG (Network Services Gateway)
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Answer:

D

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Question 10

Which of the following is true regarding the certificate needed for VNS deployment?

  • A. CA (Certificate Authority) runs as a service on the utility host.
  • B. CA (Certificate Authority) only generates a certificate for the VSC.
  • C. With the certificate, the communication between the VSD and VSC can be encrypted in IPsec.
  • D. With the certificate, the communication between the VSC and NSG can be encrypted in TLS.
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Answer:

B

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Question 11

During VNS automated site activation, the domain design and attributes are configured on which of
the following device?

  • A. VSD (Virtualized Services Directory)
  • B. VSC (Virtualized Services Controller)
  • C. NSG (Network Services Gateway)
  • D. Installer PC
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Answer:

C

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Question 12

Which of the following is true about Nuage Networks NSG-E?

  • A. It is a virtual appliance.
  • B. It has 4 LAN ports at maximum.
  • C. It supports dual WAN uplinks.
  • D. It can only be deployed in standalone model.
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Answer:

C

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Question 13

Which statement is FALSE regarding the vport?

  • A. NSG vPorts are associated with access ports.
  • B. There are four types of vPorts: VM, container, host and bridge.
  • C. The NSG’s vPorts are typically host vPorts.
  • D. One vPort can only belong to one subnet or L2 domain.
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Answer:

B

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Question 14

Which of the following interfaces is not supported on VSC?

  • A. API interface
  • B. BGP interface
  • C. OpenFlow interface
  • D. XMPP interface
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A

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Question 15

Which of the following statements about an egress QoS policy is FALSE?

  • A. It assigns the child queue rate limiters to the queues.
  • B. All 8 forwarding classes must be assigned to one or more queues.
  • C. The sum of the GIR of the queues must be less than or equal to the GIR of the parent.
  • D. The sum of the PIR of the queues must be less than or equal to the PIR of the parent.
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Answer:

C

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