Free Juniper JN0-213 Exam Actual Questions & Explanations

Last updated on: Aug 4, 2026

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Question No. 1

In the CN2 architecture, which component integrates with the orchestrator to listen for changes and take action on any events affecting network resources?

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Correct Answer: D

contrail-k8s-kubemanager is the component in the CN2 architecture that integrates with the orchestrator (such as Kubernetes or OpenShift) to listen for changes and take action on any events affecting network resources.According to the CN2 components documentation2, contrail-k8s-kubemanager is ''the interface between Kubernetes resources and Contrail resources'' that ''watches the kube-apiserver for changes to regular Kubernetes resources such as service and namespace and acts on any changes that affect the networking resources''.Other components in the CN2 architecture are contrail-k8s-apiserver2, which is an aggregated API server that manages all Contrail resources; cni.bin, which is a binary file that implements the Container Network Interface (CNI) specification for CN2; and contrail-vrouter-agent, which is a pod that runs on every node and communicates with the CN2 control plane to program the data plane.


Question No. 2

Which statement is correct about overlay or underlay networks or fabrics?

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Correct Answer: D

Overlay networks are indeed virtual networks.They are logical constructs that stitch together disparate, dispersed network infrastructure, often referred to as underlay1.Underlay networks refer to the physical network infrastructure, while overlay networks implement network virtualization concepts2. Reference from Juniper site:Baeldung on Computer Science,PacketFabric,Cisco,HPE Aruba Networking


Question No. 3

Juniper Cloud-Native Contrail Networking (CN2) is able to be integrated with which orchestrator?

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Correct Answer: A

Juniper Cloud-Native Contrail Networking (CN2) can be integrated with Kubernetes.CN2 is optimized for Kubernetes-orchestrated environments and can be used to connect, isolate, and secure cloud workloads and services seamlessly across private, public, and hybrid clouds.


Question No. 4

Your e-commerce application is deployed on a public cloud. As compared to the rest of the year, it receives substantial traffic during the Christmas season.

In this scenario, which cloud computing feature automatically increases or decreases the resources based on the demand?

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Correct Answer: A

The cloud computing feature that automatically increases or decreases the resources based on the demand is known as rapid elasticity1112.In cloud computing, scaling is the process of adding or removing compute, storage, and network services to meet the demands a workload makes for resources in order to maintain availability and performance as utilization increases11.


Question No. 5

You want to quickly assign a specific combination of permissions to a set of users.

In this scenario, which OpenStack object should you create?

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Correct Answer: C

In OpenStack, aroleis a set of permissions that determines what actions users can perform in a given context. Roles are assigned to user-project pairs.If you want to quickly assign a specific combination of permissions to a set of users, you should create a role1. Reference from Juniper site:OpenStack Docs


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