Juniper jn0-412 online test

Question 1

Click the Exhibit button.

The exhibit displays a Contrail analyzer virtual machines console. Which two statements are true in
this scenario? (Choose two.)

• A. The ping traffic is initiated by a virtual machine with an IP address of 20.0.0.3.
• B. The ping traffic is initiated by a virtual machine with an IP address of 20.0.0.4.
• C. The Contrail analyzer virtual machine’s IP address is 10.85.29.11.
• D. The Contrail analyzer virtual machine’s IP address is 20.0.0.4.

Answer:

AC

Question 2

You decide to create only host routes for each of your virtual networks in a project. Each virtual
network is sent its correct host prefix. When troubleshooting inter-VN connectivity, using the ping
command, the response times out between two virtual networks even though your policies allow for
it.
What is the problem in this scenario?

• A. The VMs do not have interfaces.
• B. Using host routes prevents the default route from being sent.
• C. Your VMs have incorrect DNS settings.
• D. The IPAM settings are incorrect.

Answer:

C

Question 3

Which command displays routes in vRouter VRF?

• A. rt
• B. show route
• C. show route table vrf-name
• D. route print

Answer:

A

Reference:
https://www.juniper.net/documentation/en_US/contrail2.21/topics/task/configuration/vrouter-cli-utilities-vnc.html

Question 4

What are two networking components of OpenStack? (Choose two.)

• A. Neutron
• B. Nova
• C. Ironic
• D. Barbican

Answer:

AB

Reference:
https://docs.openstack.org/newton/networking-guide/intro.html

Question 5

What are two characteristics of containers used in Contrail? (Choose two.)

• A. Each container has the configuration for all applications running in that container.
• B. Each pod can contain only one container.
• C. Each container has the configuration for all applications running in all containers.
• D. Each pod can contain several containers.

Answer:

AB

Reference:
https://www.juniper.net/documentation/en_US/contrail19/topics/concept/summary-of-container-design.html

Question 6

Which two deployment methods does AppFormix support? (Choose two.)

• A. Hyper-V
• B. VMware
• C. OpenStack
• D. Xen

Answer:

BC

Reference:
https://www.juniper.net/documentation/en_US/appformix/topics/concept/appformix-general-requirements.html

Question 7

Which two statements about SDN and NFV are true? (Choose two.)

• A. NFV separates network control and forwarding functions and provides a centralized view of the network.
• B. SDN decouples network services from hardware appliances so they can run in software.
• C. SDN separates network control and forwarding functions and provides a centralized view of the network.
• D. NFV decouples network services from hardware appliances so they can run in software.

Answer:

CD

Reference:
https://www.sdxcentral.com/networking/nfv/definitions/whats-network-functions-
virtualization-nfv/

Question 8

What are three benefits of implementing an NFV solution? (Choose three.)

• A. increased network speed using bandwidth management
• B. reduced hardware requirements
• C. automated services
• D. tenants charged only for what they use
• E. isolated switching functions

Answer:

ABC

Question 9

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

Answer:

A

Question 10

Prior to installing Contrail, which list of settings must be verified on all participating servers?

• A. DHCP is enabled, hostname resolution, and that SSH is enabled
• B. time synchronization, hostname resolution, and that FTP is enabled
• C. time synchronization, hostname resolution, and that SSH is enabled
• D. DHCP is enabled, hostname resolution, and that FTP is enabled

Answer:

C

Reference:
https://www.juniper.net/documentation/en_US/contrail2.0/information-
products/pathway-pages/
getting-started.pdf