Free Juniper Cloud, Specialist Exam JN0-412 Exam Practice Test

Which statements correct about Contrail security?

• Contrail security is used to control access into Junos devices.
  
• Contrail security is used to apply security features and segment traffic flows.
  
• Contrail security is used to analyze network performance and learn traffic patterns.
  
• Contrail security is used to control management access to VNFs.
  

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

• MPLS over GRE
  
• EVPN
  
• VXLAN
  
• MPLS over UDP
  
• MPLS over IPsec
  

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

• NETCONF
  
• XMPP
  
• BGP
  
• SSH
  

Which role does OpenStack serve in SDN?

• vRouter
  
• controller
  
• gateway
  
• orchestrator
  

Which two statements describe the Kubernetes network policy? (Choose two.)

• If a policy is not applied to a pod, then the pod accepts traffic from all sources.
  
• A policy can define traffic in only one direction.
  
• A policy can define traffic in both directions.
  
• If a policy is not applied to a pod, then the pod blocks traffic from all sources.
  

Which role does Contrail serve in SDN?

• orchestrator
  
• controller
  
• gateway
  
• fabric
  

What are three functions of an SDN controller? (Choose three.)

• An SDN controller uses federated routes between BGP autonomous systems.
  
• An SDN controller uses northbound APIs to manage applications and business logic.
  
• An SDN controller uses southbound APIs to manage flow control to the switches and routes in the network.
  
• An SDN controller uses federated data between SDN controller domains.
  
• An SDN controller functions as a gateway for the virtual machines in the SDN.
  

You have deployed a Contrail cluster that must support bare-metal servers.Which protocol is used to communicate between the bare-metal server's virtual tunnel endpoints and the Contrail cluster to establish sessions with the VM servers?

• SRTP
  
• EVPN/VXLAN
  
• BGP
  
• XMPP
  

What is the proper order for creating a virtual network?

• Configure the IPAM, virtual network, DNS, and then the virtual machine.
  
• Configure the DNS, IPAM, virtual network, and then the virtual machine.
  
• Configure the virtual network, DNS, IPAM, and then the virtual machine.
  
• Configure the IPAM, DNS, virtual network, and then the virtual machine.
  Section: (none)
  Explanation
  

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?

• virtual network policy
  
• floating IP
  
• virtual port group
  
• virtual network with route leaking