Juniper JNCIS-Cloud JN0-412 Questions & Answers

• Question 41:

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

  A. Automatically deploy an 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 42:

  What is a TAP interface in Contrail?

  A. A software network interface that operates at OSI Layer 3.

  B. A hardware network interface that operates at OSI Layer 3.

  C. A software network interface that operates at OSI Layer 2.

  D. A hardware network interface that operates at OSI Layer 2.

  Correct Answer: A

  Reference: https://sureshkvl.gitbooks.io/opencontrail-beginners-tutorial/content/introspect/contrail-vrouteragent.html

• Question 43:

  What are two predefined tags that are used in Contrail Security policies? (Choose two.)

  A. label

  B. group

  C. family

  D. site

  Correct Answer: AD

  Reference: https://www.juniper.net/documentation/en_US/contrail20/information-products/pathway-pages/ contrail-networking-security-user-guide.pdf

• Question 44:

  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?

  A. SRTP

  B. EVPN/VXLAN

  C. BGP

  D. XMPP

  Correct Answer: B

• Question 45:

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

  A. If a policy is not applied to a pod, then the pod accepts traffic from all sources.

  B. A policy can define traffic in only one direction.

  C. A policy can define traffic in both directions.

  D. If a policy is not applied to a pod, then the pod blocks traffic from all sources.

  Correct Answer: AC

  Reference: https://www.juniper.net/documentation/en_US/day-one-books/topics/topic-map/kubernetes-inpractice.html#id-kubernetes-network-policy

• Question 46:

  Which two statements are true about Generic Device Operations? (Choose two.)

  A. Generic Device Operations execute multiple commands on multiple devices.

  B. Generic Device Operations are executed using the REST API.

  C. Generic Device Operations are executed using Ansible.

  D. Generic Device Operations execute a single command on multiple devices.

  Correct Answer: CD

  Reference: https://www.juniper.net/documentation/en_US/contrail19/topics/task/configuration/genericdevice-operational-commands.html

• Question 47:

  What are three ways to deploy an MX Series device as an SDN gateway? (Choose three.)

  A. Configure it as an L4 gateway.

  B. Configure it as an application gateway.

  C. Configure it as an SDN-to-SDN gateway.

  D. Configure it as an L3 gateway.

  E. Configure it as an L2 gateway.

  Correct Answer: CDE

• Question 48:

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

  A. The master coordinates the cluster.

  B. The minions are responsible for running the applications.

  C. The nodes are responsible for running the applications.

  D. The pod controller coordinates the cluster.

  Correct Answer: AB

  Reference: https://www.juniper.net/documentation/en_US/contrail19/topics/task/installation/provisioningk8s-cluster.html

• Question 49:

  Which BMS feature ensures that IP address management is consistent between the virtual and physical instances?

  A. inventory management

  B. image management

  C. IPAM management

  D. network security management

  Correct Answer: C

  Reference: https://www.juniper.net/documentation/en_US/contrail19/topics/topic-map/bmsmanagement.html

• Question 50:

  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 using NVGRE

  B. SDN as an overlay

  C. SDN using an API

  D. open SDN

  Correct Answer: B