JN0-412 Online Practice Questions and Answers

To retrieve attributes of a new virtual machine, with which Contrail component does the OpenStack Nova agent communicate to create a virtual network?

A. Neutron

B. Glance

C. Analytics

D. Control

When creating a firewall rule in Contrail Security, which two types of endpoints are available? (Choose two.)

A. virtual network

B. tag

C. domain

D. service level

Which ETSI NFV function is responsible for the management of virtual network functions (VNF) and element management systems (EMS)?

A. Virtual Network Function Manager (VNFM)

B. OpenStack

C. Contrail Command

D. Analytics Database

Your development team asks you to provision twenty exact copies of a three-tier application containing three VMs. Each copy of the application must be on their own isolated network. The development team also wants to deploy more copies in the future from a self-service portal.

What will accomplish this task?

A. Create a Heat orchestration template for the application and then launch twenty stacks using the Horizon dashboard or OpenStack CLI.

B. Use the Contrail fabric manager to define and launch all twenty stacks using an intent-driven automation feature.

C. Create all twenty networks and launch each instance using the Horizon instance creation wizard.

D. Create a Heat orchestration template for the application and then launch twenty stacks using the AppFormix user interface.

You are asked to create a connection between a VM and two ports on a QFX leaf device in the fabric.

Which Contrail feature must you configure to accomplish this task?

A. virtual network policy

B. floating IP

C. virtual port group

D. virtual network with route leaking

Which statements correct about Contrail security?

A. Contrail security is used to control access into Junos devices.

B. Contrail security is used to apply security features and segment traffic flows.

C. Contrail security is used to analyze network performance and learn traffic patterns.

D. Contrail security is used to control management access to VNFs.

What are three examples of hypervisors? (Choose three.)

A. VMware ESXi

B. Juniper vSRX

C. KVM

D. OpenStack Nova

E. Microsoft Hyper-V

Which two OpenStack components are optional services? (Choose two.)

A. Nova

B. Heat

C. Glance

D. Magnum

You are deploying Contrail in your existing network and you must ensure that it manages your current IP

fabric underlay.

Which two routing protocols are supported in this scenario? (Choose two.)

A. EBGP

B. RIP

C. OSPF

D. EIGRP

You are using Contrail as the SDN controller for your data center. You must ensure that Contrail provides DNS service to the VMs of a particular virtual network.

Which two DNS modes would accomplish this task? (Choose two.)

A. tenant

B. virtual DNS

C. default

D. reverse