[Jan 05, 2022] PrepAwayETE JN0-412 Exam Practice Test Questions (Updated 127 Questions) [Q40-Q62]

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[Jan 05, 2022] PrepAwayETE JN0-412  Exam Practice Test Questions (Updated 127 Questions)

Pass Juniper JN0-412 Exam Info and Free Practice Test 

NEW QUESTION 40
You are required to deploy a network service in between two customer sites without modifying IP addresses. You are using Contrail to manage your network services.
How would you accomplish this task?

  • A. Deploy the service with only a left interface.
  • B. Deploy the service as type transparent.
  • C. Deploy the service as type un-neterwork.
  • D. Deploy the service with only a right interface.

Answer: B

 

NEW QUESTION 41
You are not able to view a specific Glance image under a project named Administrator in OpenStack. However, you are able to view the same image in a different project named ProjectA.
What is the problem in this scenario?

  • A. The image is not marked as public.
  • B. Only ISO, qcow2, and raw image types can be seen under all of the projects.
  • C. There is an issue with Keystone authentication.
  • D. You have restricted access to the project named Administrator.

Answer: A

 

NEW QUESTION 42
Refer to the exhibit.

You have configured your Contrail cluster to mirror traffic going between a network called frontend and a network called backend, however, the Wireshark window is not showing any packets being mirrored.
Referring to the exhibit, which statement is correct?

  • A. The policy needs to be changed to unidirectional.
  • B. Mirroring can only be used on a single interface.
  • C. The apply service parameter needs to be unchecked.
  • D. The mirror to parameter needs to be unchecked.

Answer: A

 

NEW QUESTION 43
What is AppFormix used for in Contrail?

  • A. to secure application traffic
  • B. to deploy an underlay fabric
  • C. to create VNFs
  • D. to analyze network performance

Answer: C

 

NEW QUESTION 44
Refer to the exhibit.

Referring to the exhibit, which two statements are correct? (Choose two.)

  • A. One or more compute node processes are not running.
  • B. The Contrail-analytics-nodemgr process created the alarm.
  • C. The Contrail-collector process created the alarm.
  • D. This alarm is predefined in Contrail.

Answer: B

 

NEW QUESTION 45
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 REST
  • C. Use the Fuel UI
  • D. Use shotgun

Answer: C

 

NEW QUESTION 46
You want to deploy an application to the cloud. You need to control the amount of RAM, storage, CPU cores, networking ports, and IP addresses.
Which type of cloud service should you choose in this scenario?

  • A. SaaS
  • B. DBaaS
  • C. IaaS
  • D. PaaS

Answer: C

 

NEW QUESTION 47
What is a TAP interface in Contrail?

  • A. A hardware network interface that operates at OSI Layer 2.
  • B. A software network interface that operates at OSI Layer 2.
  • C. A hardware network interface that operates at OSI Layer 3.
  • D. A software network interface that operates at OSI Layer 3.

Answer: D

 

NEW QUESTION 48
Two virtual machines that belong to the same virtual network are not able to communicate with each other.
Which statement is true in this scenario?

  • A. Images used to spawn the two virtual machines have different flavors.
  • B. The two virtual machines are in different availability zones.
  • C. A security group is blocking the communication.
  • D. A floating IP address is assigned to the virtual machine.

Answer: C

Explanation:
Explanation

 

NEW QUESTION 49
Which command displays routes in a vRouter VRF?

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

Answer: B

 

NEW QUESTION 50
Refer to the exhibit.

Referring to the exhibit, which two statements are correct? (Choose two.)

  • A. One or more compute node processes are not running.
  • B. The Contrail-analytics-nodemgr process created the alarm.
  • C. The Contrail-collector process created the alarm.
  • D. This alarm is predefined in Contrail.

Answer: B

 

NEW QUESTION 51
Two virtual machines in different virtual networks are not able to communicate with each other.
Which two troubleshooting steps would you help to identify this problem? (Choose two.)

  • A. Run the tcpdump command on the virtual machine's tap interface.
  • B. Ensure that there is a Contrail policy between the two virtual networks.
  • C. Ensure that the SDN gateway has the VRF or VRFs created for the two virtual networks.
  • D. Ensure that there is a default route in each virtual network's VRF.

Answer: A,B

 

NEW QUESTION 52
What are three mechanisms supported by the Neutron ML2 plugin? (Choose three.)

  • A. GRE
  • B. MPLS
  • C. VXLAN
  • D. VLAN
  • E. IPsec

Answer: A,C,D

 

NEW QUESTION 53
Which protocol does Contrail use to exchange information between the Contrail Controller and the Contrail vRouter?

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

Answer: B

 

NEW QUESTION 54
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 Contrail analyzer virtual machine's IP address is 10.85.29.11.
  • C. The Contrail analyzer virtual machine's IP address is 20.0.0.4.
  • D. The ping traffic is initiated by a virtual machine with an IP address of 20.0.0.4.

Answer: A,B

 

NEW QUESTION 55
What are two Contrail Command BMS life cycle management functions? (Choose two.)

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

Answer: B,D

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

 

NEW QUESTION 56
Which role does OpenStack serve in SDN?

  • A. vRouter
  • B. Orchestrator
  • C. Gateway
  • D. controller

Answer: B

 

NEW QUESTION 57
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
  • B. In-network NAT
  • C. In-network private
  • D. Transparent

Answer: B

 

NEW QUESTION 58
The Sandesh protocol enables which infrastructure model?

  • A. Centralized
  • B. Secure
  • C. Diversified
  • D. Unified

Answer: D

 

NEW QUESTION 59
A snapshot of a VM1 instance was just taken. The snapshot is named VM2. You must launch a new VM instance called VM2 using the newly created snapshot.
Which step must be taken to launch the instance?

  • A. Launch the VM2 instance found under the drop-down menu for the VM1 instance.
  • B. Create and launch the VM2 instance using the snapshot found under Other > Snapshots.
  • C. Launch the VM2 instance found under Project > Compute > Instances.
  • D. Create and launch the VM2 instance using the snapshot found under Project > Compute > Images.

Answer: B

 

NEW QUESTION 60
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. default
  • B. reverse
  • C. virtual DNS
  • D. tenant

Answer: C,D

 

NEW QUESTION 61
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 vRouter agent running.
  • B. The compute nodes' BGP peering sessions are down.
  • C. The compute nodes' XMPP peering sessions are down.
  • D. The compute nodes do not have the Glance service running.

Answer: A

 

NEW QUESTION 62
......


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 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
Contrail Security

Identify Contrail security concepts

  • Tags
  • Policies
  • Monitoring

Demonstrate knowledge of configuring, monitoring, or troubleshooting Contrail security

  • Tags
  • Policies
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 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
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 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

 

Pass Your Juniper Exam with JN0-412 Exam Dumps: https://www.prepawayete.com/Juniper/JN0-412-practice-exam-dumps.html

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