NUAGE NETWORKS Virtualized Network Services Fundamentals

1.

Which of the following is false regarding overlay solutions?

An 'overlay network' is a virtual abstraction built on top of an existing physical network. Both VXLAN and TRILL are host-centric overlay solutions. Nuage Networks VNS uses a VXLAN-based overlay solution. Overlay networks are totally transparent to their physical underlay network.

2.

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

X4 = MAC1 X4 = MAC4 X4 = MAC11 X4 = MAC12

3.

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

It provides secure communication (TLS) between NSGs and the VSD by an HTTPS proxy. It provides secure communication (TLS) between NSGs and the VSC. It provides secure communication (TLS) between NSGs and VRSs. It provides secure communication (TLS) between the VSC and VRSs.

4.

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

VSD (Virtualized Services Directory) VSC (Virtualized Services Controller) NSG (Network Services Gateway) Installer PC

5.

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

It is a virtual appliance. It has 4 LAN ports at maximum. It supports dual WAN uplinks. It can only be deployed in standalone model.

6.

Which of the following statements is NOT true regarding the integration of the data center (VCS solution) and branch office (VNS solution)?

The VSD in the data center and the VSD for the branch office are running XMPP to synchronize with each other. The VSC in the data center and the VSC for the NSG branch office are running BGP to update each other's forwarding table. With integration, the virtual machines in the data center and the devices in the branch office can belong to the same overlay network. Traffic between the virtual machines in the data center and the devices in the branch office are forwarded in VXLAN tunnels.

7.

Which of the following connections does not exist during the VNS bootstrapping process?

Proxy to NSG Proxy to VSD NSG to VSC OpenFlow-TLS VSC to proxy

8.

What type of NAT is used so that any external host can send to iAddr: iPort by sending traffic to eAddr: ePort? (i=internal, e=external)

Full-cone NAT Address-restricted NAT Port-restricted NAT Symmetric NAT

9.

Which one of the following statements is correct regarding bridge vPorts in the VNS solution?

A DHCP pool can be configured on a subnet connected to an NSG bridge vPort, the NSG then becomes the DHCP server. VSD is in charge of the IP address assignment to the devices behind the NSG vPort. There must be more than one device behind the bridge vPort. The static IP to MAC mapping configuration is not on the bridge vPort.

10.

Which of the following statements about the NSG vports is TRUE?

The NSG responds to DHCP requests on a host vport by default. A host MAC address is dynamically leaned on a host vport. A host vport allows multiple devices to be connected through a switch. IP address assignment is handled by the NSG for a host on a host vport.

NUAGE NETWORKS Virtualized Network Services Fundamentals

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