Download Nuage Networks Virtualized Network Services (VNS) Fundamentals.4A0-N02.CertKiller.2019-11-14.24q.vcex

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Vendor: Nuage Networks
Exam Code: 4A0-N02
Exam Name: Nuage Networks Virtualized Network Services (VNS) Fundamentals
Date: Nov 14, 2019
File Size: 239 KB
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Demo Questions

Question 1
Which of the following is true regarding the IPsec VPN between the NSGs?
  1. It encrypts and encapsulates the VXLAN traffic.
  2. The key for IPsec needs be manually configured on NSGs and must match each other.
  3. The IPsec tunnel can be directly terminated by VRS in a data center.
  4. To have IPsec VPN, an encryption function needs to be enabled at each individual NSG.
Correct answer: C
Question 2
Which of the following is true regarding the VLAN-based VPN on Nuage Networks NSG?
  1. The NSGs use OpenFlow to exchange routing information between each other.
  2. The NSGs use VXLAN to exchange routing information between each other.
  3. The NSGs forward overlay traffic between each other by using an OpenFlow tunnel.
  4. The NSGs forward overlay traffic between each other by using a VXLAN tunnel.
Correct answer: D
Question 3
Which of the following is false regarding overlay solutions?
  1. An ‘overlay network’ is a virtual abstraction built on top of an existing physical network.
  2. Both VXLAN and TRILL are host-centric overlay solutions.
  3. Nuage Networks VNS uses a VXLAN-based overlay solution.
  4. Overlay networks are totally transparent to their physical underlay network.
Correct answer: B
Question 4
Please, refer to the diagram. If the two VMs are on the same subnet, what is MAC address X4? 
  
  1. X4 = MAC1
  2. X4 = MAC4
  3. X4 = MAC11
  4. X4 = MAC12
Correct answer: C
Question 5
Which component of the VNS solution belongs to the data plane?
  1. VSD (Virtualized Services Directory)
  2. VSC (Virtualized Services Controller)
  3. VRS (Virtual Routing and Switching)
  4. NSG (Network Services Gateway)
Correct answer: D
Question 6
Which statement is FALSE regarding the vport?
  1. NSG vPorts are associated with access ports.
  2. There are four types of vPorts: VM, container, host and bridge.
  3. The NSG’s vPorts are typically host vPorts.
  4. One vPort can only belong to one subnet or L2 domain.
Correct answer: B
Question 7
Which statement about the security policies implemented by Nuage Networks is FALSE?
  1. A security policy is composed of entries defining the conditions to redirect a packet.
  2. Ingress policy acts on traffic flow towards the network (or the OVS component).
  3. The security policies are defined at the domain level.
  4. The security policies deployed on the VSD are distributed ACLs implemented on the VRSs and NSGs.
Correct answer: A
Question 8
Which statement about ACL entries is FALSE?
  1. They can track both TCP and UDP flows.
  2. They can be created in either ingress or egress directions.
  3. A packet in the direction of the stateful ACL rules will automatically create a “related” rule in the reverse direction.
  4. The automatically created rules will not go away until the ACL is manually deactivated and reactivated.
Correct answer: D
Question 9
Which of the following statements is NOT true regarding the integration of the data center (VCS solution) and branch office (VNS solution)?
  1. The VSD in the data center and the VSD for the branch office are running XMPP to synchronize with each other.
  2. The VSC in the data center and the VSC for the NSG branch office are running BGP to update each other’s forwarding table.
  3. With integration, the virtual machines in the data center and the devices in the branch office can belong to the same overlay network.
  4. Traffic between the virtual machines in the data center and the devices in the branch office are forwarded in VXLAN tunnels.
Correct answer: A
Question 10
Which of the following connections does not exist during the VNS bootstrapping process?
  1. Proxy to NSG
  2. Proxy to VSD
  3. NSG to VSC OpenFlow-TLS
  4. VSC to proxy
Correct answer: D
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