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Latest Update Juniper JN0-412 Exam Questions and Answers Online Test
QUESTION 1
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
Correct Answer: C
Reference: https://www.juniper.net/documentation/en_US/contrail2.0/information-products/pathway-pages/gettingstarted.pdf
QUESTION 2
Which three encapsulations does Contrail support for overlay networking? (Choose three.)
A. MPLS over GRE
B. EVPN
C. VXLAN
D. MPLS over UDP
E. MPLS over IPsec
Correct Answer: ACD
Reference: https://www.juniper.net/us/en/local/pdf/whitepapers/2000535-en.pdf
QUESTION 3
Which two statements about a Contrail environment are true? (Choose two.)
A. Control nodes peer with other control nodes using XMPP.
B. Control nodes peer with other control nodes using MP-BGP.
C. Control nodes peer with compute nodes using XMPP.
D. Control nodes peer with compute nodes using MP-BGP.
Correct Answer: BC
The control nodes peer with the remote compute nodes by means of XMPP and peer with local gateways by means of
MP-eBGP. Reference: https://www.juniper.net/documentation/en_US/contrail20/information-products/pathwayJN0-412
QUESTION 4
What are two Contrail Command BMS life cycle management functions? (Choose two.)
A. PXE interface management
B. BIOS updates
C. image management
D. IPAM
Correct Answer: AC
Reference: https://www.fedscoop.com/juniper/Enterprise-Contrail-Multicloud.pdf
QUESTION 5
What is AppFormix used for in Contrail?
A. to deploy an underlay fabric
B. to create VNFs
C. to analyze network performance
D. to secure application traffic
Correct Answer: B
QUESTION 6
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.
Correct Answer: CD
Reference: https://www.sdxcentral.com/networking/nfv/definitions/whats-network-functions-virtualizationnfv/
QUESTION 7
Which endpoint type in Contrail Security provides multidimensional segmentation such as application, tier, deployment
or site parameters?
A. domain
B. virtual network
C. tag
D. address group
Correct Answer: C
Reference: https://www.juniper.net/documentation/en_US/contrail20/topics/concept/security-policyenhancements.html
QUESTION 8
Which Kubernetes resource defines the traffic allowed to reach the pod?
A. SecurityGroup
B. NetworkPolicy
C. Ingress
D. IPAM
Correct Answer: B
Reference: https://www.juniper.net/documentation/en_US/contrail19/topics/concept/k8s-networkpolicy.html
QUESTION 9
Which two fabric management tasks would be completed using Contrail Command? (Choose two.)
A. Automatically deploy a P fabric underlay.
B. Modify routing protocol preferences.
C. Change user permissions on Junos devices.
D. Discover devices in the network.
Correct Answer: AD
QUESTION 10
Two virtual machines that belong to the same virtual network are not able to communicate with each other. Which
the statement is true in this scenario?
A. A floating IP address is assigned to the virtual machine.
B. Images used to spawn the two virtual machines have different flavors.
C. A security group is blocking the communication.
D. The two virtual machines are in different availability zones.
Correct Answer: C
QUESTION 11
Click the Exhibit button.
The exhibit displays a Contrail analyzer virtual machine\\’s 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.
Correct Answer: AC
QUESTION 12
Which two statements are true about AppFormix? (Choose two.)
A. The analytics component of AppFormix takes action on notifications and SLA violations.
B. AppFormix tracks SLAs and generates alerts in the event of an SLA violation.
C. AppFoxmix analyzes resource usage trends to predict capacity needs.
D. AppFormix does not require an agent on compute nodes.
Correct Answer: CB
QUESTION 13
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 its 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.
Correct Answer: A
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