JN0-412 Exam Training Practice Tests (Juniper Cloud, Specialist (JNCIS-Cloud))]

Question 1

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

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

Correct Answer: B,C

Question 2

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

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

Correct Answer: B,C,D

Question 3

Which SDN solution allows the control plane to remain on legacy hardware as a stop-gap measure until you are ready to replace the current hardware?

A. SDN as an overlay B. SDN using NVGRE C. open SDN D. SDN using an API

Correct Answer: A

Question 4

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

Correct Answer: B,C

Question 5

hat are two Keystone endpoint types? (Choose two.)

A. public B. admin C. root D. rbac

Correct Answer: A,B

Question 6

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

Correct Answer: B,D

Question 7

You are asked to allow traffic to be forwarded between two Contrail virtual networks. You must use a virtual stateful firewall to provide the security between the two networks. Finally, you must use a virtual firewall that bridges between the two networks.
Which two statements describe how to accomplish this task? (Choose two.)

A. Create a router specifying the virtual firewall as the service instance. B. Create and apply an in-network service template. C. Create a policy that references the service instance and apply it to the virtual networks. D. Create and apply a transparent service template.

Correct Answer: B,C

Question 8

Which two statements about Kubernetes clusters are correct? (Choose two.)

A. The pod controller coordinates the cluster. B. The master coordinates the cluster. C. The nodes are responsible for running the applications. D. The minions are responsible for running the applications.

Correct Answer: B,D

Question 9

Which role does Contrail serve in SDN?

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

Correct Answer: D

Juniper Cloud, Specialist (JNCIS-Cloud) - JN0-412 Exam Practice Test