4A0-N01 Online Practice Questions and Answers

Which statement about SDN is correct?

A. Network control is fully integrated into the forwarding plane.

B. SDN supports cloud computing by automating virtual machine instantiation.

C. The API interface provides a way to program the SDN switch directly.

D. The SDN controller provides global provisioning of network devices.

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.

Which VSD component provides a south-bound interface for communication with the VSC?

A. VSD Mediator

B. Statistics Engine

C. Policy Management Engine

D. RESTful API

What does VSD stand for?

A. Virtualized Services Description

B. Virtualized Services Definition

C. Virtualized Services Domain

D. Virtualized Services Directory

Which protocol is used for VSC federation?

A. BGP VPN-IPv4

B. BGP EVPN

C. Openflow

D. XMPP

Refer to the diagram.

What is the correct sequence of events for a VM to be instantiated, and for its required network connectivity to be created with the Nuage VCS solution?

a.

Network domain and policy templates are defined on VSD.

b.

VSC queries VSD on network service and policies.

c.

VSD provides VSC with network service and policies.

d.

VRS agent informs VSC of the new VM placement.

e.

VSC deploys policy to applicable VRS agents.

f.

VM instantiated on the hypervisor.

A.

a->b->c->d->e->f

B.

a->b->c->f->d->-e

C.

a->f->d->b->c->-e

D.

f->d->b->a>c->-e

What three main components comprise the Nuage Networks VCS solution?

A. VSD, VSC, and VSG

B. VSD, VSC, and VRS

C. VNS, VSC, and VSG

D. VNS, VRS, and VSG

What statement correctly describes the difference between a managed Layer 2 domain and an undamaged Layer 2 domain?

A. A managed L2 domain has one or more zones and each zone can have multiple subnets, each with its own IP address pool, while an unmanaged L2 domain does not have zones or subnets.

B. Managed L2 domains can have overlapping IP address pools, while unmanaged L2 domains are not allowed to have overlapping IP address pools.

C. In a managed L2 domain, Nuage VCS manages security policies, while in an unmanaged domain, Nuage VCS cannot manage the security policies.

D. In a managed L2 domain, Nuage VCS performs DHCP and ARP proxy functions, while in an unmanaged domain VCS has no visibility of IP addresses.

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

The ML2 plug-in is part of which OpenStack project?

A. Neutron

B. Ironic

C. Nova

D. Heat

On which Kubernetes node is the Nuage-kube-mon component installed?

A. On the worker node.

B. On the master node.

C. On the network node.

D. On a dedicated gateway node.

Which of the following interfaces is not supported on VSC?

A. API interface

B. BGP interface

C. Openflow interface

D. XMPP interface

What statement about stateful ACL entries is FALSE?

A. They can track both TCP and UDP flows.

B. They can be created in either ingress or egress directions.

C. A packet in the direction of the stateful ACL rules will automatically create a “related” rule in the reverse direction.

D. The automatically created rules will not go away until the ACL is manually deactivated and reactivated.

Which of the following is NOT Nuage Networks metadata required when creating a virtual machine?

A. Enterprise

B. Subnet

C. VLAN ID

D. User

Which of the following is a solution to create virtual machines in which the server runs the hypervisor as a specialized operating system and, as a consequence, there is no need for a conventional operating system?

A. Kernel

B. Container

C. Native hypervisor

D. Hosted hypervisor