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Nuage Networks 4A0-N01 Nuage Networks Virtualized Cloud Services (VCS) Fundamentals Online Training

Question #1

To auto-instantiate services on a 7750 DCI, which protocol needs to be enabled between the 7750 SR and VSD?

  • A . SNMP
  • B . Openflow
  • C . XMPP
  • D . BGP EVPN

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Correct Answer: C
Question #2

What task is NOT part of VSD policy evaluation for a newly-instantiated virtual machine?

  • A . Checking metadata.
  • B . Creating a virtual port.
  • C . Building a forwarding table
  • D . Assigning an IP address.

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Correct Answer: C
Question #3

Which of the following interfaces does NOT belong to the underlay network?

  • A . Interface on VSD
  • B . Control Interface on VSC
  • C . Openflow interface on VSC
  • D . Hypervisor interfaces carrying VXLAN traffic

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Correct Answer: A
Question #4

Which two elements of the Nuage VCS solution act respectively as the control and data plane of a virtual router?

  • A . VSD and VSC
  • B . VSC and VRG
  • C . VSC and VRS
  • D . VSD and VSG

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Correct Answer: C
Question #5

Which mapping between a VSD service abstraction and an overlay service instance is correct?

  • A . Domain- VPRN service instance
  • B . Zone-VPLS service instance
  • C . Subnet-VPRN service instance
  • D . Virtual machine -SAP

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Correct Answer: A
Question #6

What statement is TRUE regarding the workflow for live migration of a virtual machine with Nuage VCS?

  • A . Only the destination hypervisor’s VRS agent notifies the VSC of the VM migration.
  • B . Both the source and destination hypervisor’s VRS agents notify the VSC of the VM migration.
  • C . VSD is not notified of the VM migration.
  • D . CMS (if used) is not notified of the VM migration.

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Correct Answer: B
Question #7

Which of the following is NOT a goal of NFV?

  • A . Reduce equipment cost
  • B . Faster time-to-market for new services
  • C . Efficiency through automation
  • D . Increase network bandwidth

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Correct Answer: B
Question #8

What statement regarding the VRS-G is FALSE?

  • A . The VRS-G is the software VXLAN/VLAN gateway of the Nuage VCS solution.
  • B . The VRS-G is deployed on a hypervisor, following the same deployment requirements as a regular VRS.
  • C . Virtual machines created on the hypervisor are attached to access ports on VRS-G.
  • D . The network ports on VRS-G point towards the Nuage overlay VXLAN network.

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Correct Answer: B
B

Explanation:

This permits the bridging of the hypervisor-focused overlay networking and physical devices in the data center.

Question #9

What is NOT a function of the VSC?

  • A . CMS integration
  • B . SDN controller
  • C . BGP federation
  • D . XMPP communication with VSD

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Correct Answer: A
Question #10

What statement is TRUE regarding a redundant redirection target?

  • A . By default, high availability is enabled for all redirection target.
  • B . A redundant redirection target can have only 1 virtual IP.
  • C . We can associated at maximum 2 vPorts with a redundant redirection target.
  • D . Traffic will be redirected to all of the vPorts within a redundant redirection target.

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Correct Answer: D

Question #11

What statement regarding VSD user management is TRUE?

  • A . We can create CMS user groups for each enterprise.
  • B . Each enterprise user belongs to only one user group.
  • C . Open LDAP and Active Directory can be integrated into VSD.
  • D . LDAP integration is configured at the VSD global level, and it is not configurable enterprise.

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Correct Answer: B
B

Explanation:

Easy as adding them to a specific user group.

Question #12

Which statement correctly describes cloud computing?

  • A . Services are statically provisioned by a cloud service provider.
  • B . Services are offered as needed through the Internet.
  • C . SDN is the key enabler for cloud computing.
  • D . It provides convenient, permanent network access to a shared pool of computing resources.

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Correct Answer: D
D

Explanation:

Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources

Question #13

What statement is TRUE regarding service chaining provided by Nuage VCS?

  • A . Service chaining is flow-based traffic redirection.
  • B . Service chaining only works for virtual appliances.
  • C . A virtual firewall is required to perform service chaining.
  • D . It consists of packets being forwarded by the local VPLS, then through the enterprise VPRN and lastly the backhaul VPLS.

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Correct Answer: B
Question #14

What benefits does virtualization bring to a data center?

  • A . Mobility, flexibility, and better resource utilization.
  • B . Multitasking with prioritized process scheduling.
  • C . More processing power, memory and disk space.
  • D . Higher bandwidth, control plane simplification and reduced forwarding tables.

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Correct Answer: C
Question #15

What statement is TRUE regarding the security policies provided by Nuage VCS?

  • A . The match criteria in security policies can be based on MAC address, IP address and TCP/UDP port number.
  • B . Each policy entry has an associated priority that defines the order in which policy entries are evaluated.
  • C . Ingress security policy controls the traffic flowing into the virtual machine.
  • D . The default ingress security policy allows all traffic to be forwarded.

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Correct Answer: A
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