[Jan 18, 2022] JN0-412 Exam Dumps - Juniper Practice Test Questions [Q62-Q86]

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[Jan 18, 2022] JN0-412 Exam Dumps - Juniper Practice Test Questions

New Real JN0-412 Exam Dumps Questions


Juniper JN0-412 Exam Topics:

SectionObjectives
Cloud Orchestration

Identify OpenStack concepts

  • Components (Nova, Neutron, Keystone)
  • VM Creation
  • Tenancy
  • Security groups and rules

Identify Kubernetes concepts

  • Components (Master and Nodes)
  • Container creation
  • Tenancy
  • Security groups and rules

Demonstrate knowledge of configuring, monitoring, or troubleshooting orchestration

  • VM creation
  • Snapshots
Contrail Architectures and Services

Identify Contrail architectural concepts

  • Controller
  • vRouter
  • Control plane
  • Data plane
  • Contrail Web UI
  • Contrail Command UI
  • Pods and Containers
  • APIs (HEAT Templates, REST)

Identify Contrail virtual networking concepts

  • Virtual networks
  • DNS and IPAMs
  • Network policies
  • Floating IPs
  • Gateways
  • LBaaS
  • BGPaaS
  • QoS
  • Virtual port groups
  • Logical routers
  • Device manager and virtual gateway

Demonstrate knowledge of configuring, monitoring, or troubleshooting Contrail networks

  • Virtual networks
  • Network policies
  • Gateways
Contrail Monitoring and Analytics

Identify knowledge of AppFormix analytics concepts

  • Configuring
  • Log monitoring
  • Alarms
  • HEAT maps and charts
  • Reports

Demonstrate knowledge of configuring, monitoring, or troubleshooting AppFormix

  • Log monitoring
  • Alarms
  • Reports
Contrail Fabric Management

Identify Contrail Fabric management concepts

  • BMS management
  • Admin and Tenant workflows
  • Fabric maintenance and upgrades
  • Configuration backups
  • Fabric administration
  • Adding spine and leaf nodes

Demonstrate knowledge of configuring, monitoring, or troubleshooting Fabric management

  • Add/remove/modify fabric nodes
  • BMS management
SDN Theory and Applications

Identify SDN concepts

  • SDN Definitions
  • SDN versus NFV

Describe Cloud concepts

  • Virtualization, containers, and orchestration
  • Cloud applications (data center, enterprise, WAN, transport networks, telco cloud)
Contrail Security

Identify Contrail security concepts

  • Tags
  • Policies
  • Monitoring

Demonstrate knowledge of configuring, monitoring, or troubleshooting Contrail security

  • Tags
  • Policies
Contrail Fabric Deployment

Identify Contrail Fabric deployment concepts

  • Greenfield
  • Brownfield
  • BMS
  • ToR
  • Bridging VMs to BMS
  • Routing between VNs
  • EVPN/VXLAN
  • DCI

Demonstrate knowledge of configuring, monitoring, or troubleshooting Contrail Fabrics

  • Greenfield/Brownfield
  • Bridging VMs to BMS
  • Routing between VNs
  • DCI and gateways

 

NEW QUESTION 62
Your company has decided to instantiate an OpenStack cluster based on the Mitaka release. Since OpenStack is new to your environment, you want to generate diagnostic snapshots to aid in troubleshooting issues that may arise.
Which action will accomplish this task?

  • A. Use tacker
  • B. Use shotgun
  • C. Use the Fuel UI
  • D. Use REST

Answer: C

 

NEW QUESTION 63
Which three encapsulations does Contrail support for overlay networking? (Choose three.)

  • A. EVPN
  • B. VXLAN
  • C. MPLS over UDP
  • D. MPLS over GRE
  • E. MPLS over IPsec

Answer: B,C,D

 

NEW QUESTION 64
You are asked to create a Contrail service instance between two virtual networks. The left virtual network is a private virtual network. The routes from the left virtual network VRF should not be leaked into the right virtual network VRF.
Which Contrail service instance type would you choose in this scenario?

  • A. In-network NAT
  • B. In-Network
  • C. In-network private
  • D. Transparent

Answer: A

 

NEW QUESTION 65
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. virtual network with route leaking
  • C. virtual port group
  • D. floating IP

Answer: C

 

NEW QUESTION 66
Which two nodes are part of the Contrail controller role? (Choose two.)

  • A. config
  • B. load balancer
  • C. control
  • D. analytics

Answer: A,C

Explanation:
Explanation/Reference: https://www.juniper.net/documentation/en_US/nfv2.1/topics/concept/ccpe- architecture.html#:~:text=Contrail%20controller%20node%2C%20which%20hosts,virtualized%20network%
20functions%20(VNFs).
http://juniper.github.io/contrail-vnc/architecture.html

 

NEW QUESTION 67
When creating a firewall rule in Contrail Security, which two types of endpoints are available? (Choose two.)

  • A. service level
  • B. domain
  • C. tag
  • D. virtual network

Answer: C,D

 

NEW QUESTION 68
Refer to the exhibit.

A Contrail service instance is created in a scale-out mode with three instances (Sl-1, Sl-2, and Sl-3) between the left virtual network and the right virtual network.
Referring to the exhibit, which two statements are correct in this scenario?
(Choose two.)

  • A. A Contrail policy has options to configure load sharing between the three service instances.
  • B. Every packet between the virtual networks is forwarded to each of the three service instances.
  • C. A Contrail policy can be used to block traffic initiated from the right virtual network to the left virtual network.
  • D. The traffic between the virtual networks is load sharing using ECMP.

Answer: A,C

 

NEW QUESTION 69
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. Contrail Command
  • C. OpenStack
  • D. Analytics Database

Answer: A

 

NEW QUESTION 70
Your customer deletes a Contrail service instance VM directly from OpenStack.
In this scenario, which statement is correct?

  • A. The VM will be deleted and Contrail will show the service instance as inactive.
  • B. Contrail will spawn a new service instance VM.
  • C. The service instance will be deleted from Contrail.
  • D. OpenStack will spawn a new service instance VM.

Answer: A

 

NEW QUESTION 71
What are two Contrail Command BMS life cycle management functions? (Choose two.)

  • A. image management
  • B. BIOS updates
  • C. IPAM
  • D. PXE interface management

Answer: A,D

Explanation:
Explanation/Reference: https://www.fedscoop.com/juniper/Enterprise-Contrail-Multicloud.pdf

 

NEW QUESTION 72
Which two statements about SDN and NFV are true? (Choose two.)

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

 

NEW QUESTION 73
Which two fabric management tasks would be completed using Contrail Command? (Choose two.)

  • A. Change user permissions on Junos devices.
  • B. Automatically deploy an P fabric underlay.
  • C. Discover devices in the network.
  • D. Modify routing protocol preferences.

Answer: B,C

 

NEW QUESTION 74
What are two networking components of OpenStack? (Choose two.)

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

Answer: B,C

 

NEW QUESTION 75
Which three elements should be used in a greenfield fabric deployment? (Choose three.)

  • A. existing IP fabric
  • B. multi-area OSPF
  • C. ZTP
  • D. BGP
  • E. LLDP

Answer: A,C,D

 

NEW QUESTION 76
According to Juniper Networks, where does the Contrail Cloud Platform align in the Network Functions Virtualization solution architecture?

  • A. Service Now management platform
  • B. Virtualized network functions
  • C. Network Functions Virtualization
  • D. Management and orchestration

Answer: D

 

NEW QUESTION 77
What is the proper order for creating a virtual network?

  • A. Configure the IPAM, DNS, virtual network, and then the virtual machine.
  • B. Configure the DNS, IPAM, virtual network, and then the virtual machine.
  • C. Configure the IPAM, virtual network, DNS, and then the virtual machine.
  • D. Configure the virtual network, DNS, IPAM, and then the virtual machine.

Answer: A

 

NEW QUESTION 78
Click the Exhibit button.

With in your Contrail cluster, a BGP peer is not advertising routes as expected.
After issuing the curl http://<host ip address>:8081/analytics/uves/bgp-peers command, you receive the output show in the exhibit.
What is causing this problem?

  • A. an incorrect peer type
  • B. an incorrect local ID
  • C. an incorrect family
  • D. an incorrect IP address

Answer: C

 

NEW QUESTION 79
Which two OpenStack components are optional services? (Choose two.)

  • A. Magnum
  • B. Glance
  • C. Heat
  • D. Nova

Answer: A,B

 

NEW QUESTION 80
Which protocol is used to exchange routes between the Contrail controller and compute nodes?

  • A. XMPP
  • B. BGP
  • C. Sandesh
  • D. NETCONF

Answer: A

 

NEW QUESTION 81
Which two deployment methods does AppFormix support? (Choose two.)

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

Answer: C,D

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

 

NEW QUESTION 82
Refer to the exhibit.

Referring to the exhibit, you notice that the compute-4 and compute-5 nodes are not in an operational state.
What caused this problem?

  • A. The compute nodes do not have the Glance service running.
  • B. The compute nodes' XMPP peering sessions are down.
  • C. The compute nodes' BGP peering sessions are down.
  • D. The compute nodes do not have the vRouter agent running.

Answer: D

 

NEW QUESTION 83
Which feature of an SDN continuously monitors and analyzes the health of the network?

  • A. SNMP
  • B. WAN optimization
  • C. Analytics
  • D. Load Balancing as a Service

Answer: C

 

NEW QUESTION 84
Which role does Contrail serve in SDN?

  • A. fabric
  • B. orchestrator
  • C. gateway
  • D. controller

Answer: B

 

NEW QUESTION 85
Refer to the exhibit.


Referring to the exhibit, what does the IP address 10.1.1.2 refer to in the api_server.conf file in Contrail?

  • A. The OpenStack controller IP address
  • B. The Server Web UI IP address
  • C. The Contrail IP address
  • D. The physical server IP address

Answer: A

 

NEW QUESTION 86
......

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