Practice on 2024 LATEST JN0-213 Exam Updated 67 Questions
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Juniper Networks, Inc. is a leading provider of networking solutions for cloud computing, enterprise data centers, and service providers. Juniper’s cloud solutions provide end-to-end cloud infrastructure, automation, and orchestration capabilities. The JN0-213 certification exam validates the candidate’s knowledge of Juniper’s cloud solutions, enabling them to become proficient in the deployment and management of cloud infrastructure.
NEW QUESTION # 10
Which two statements are true about VRF instances? (Choose two.)
- A. VRFs share a single routing table.
- B. Each VRF has its own routing table.
- C. VRFs do not enable overlapping IP addresses within the same cloud network.
- D. VRFs enable overlapping IP addresses within the same cloud network.
Answer: B,D
Explanation:
Explanation
Virtual Routing and Forwarding (VRF) is a technology that allows multiple instances of a routing table to coexist within the same router at the same time. Because the routing instances are independent, overlapping IP addresses can be used without conflict45. Each VRF has its own routing table4. References from Juniper site: Wikipedia, Cisco
NEW QUESTION # 11
You want to view pods with their IP addresses in OpenShift.
Which command would you use to accomplish this task?
- A. oc get pods -o wide
- B. oc get pods -o yaml
- C. oc get all
- D. oc get pods
Answer: A
Explanation:
Explanation
To view pods with their IP addresses in OpenShift, you would use the command oc get pods -o wide23. This command provides additional information such as the IP address and the node where the pod is located23.
References from Juniper site: OpenShift Documentation, Stack Overflow
NEW QUESTION # 12
Your organization has legacy virtual machine workloads that need to be managed within a Kubernetes deployment.
Which Kubernetes add-on would be used to satisfy this requirement?
- A. KubeVirt
- B. Romana
- C. Canal
- D. ADOT
Answer: A
Explanation:
Explanation
KubeVirt is a Kubernetes add-on that allows you to run and manage legacy virtual machine workloads alongside container workloads within a Kubernetes deployment. According to the KubeVirt website, KubeVirt is "a virtual machine management add-on for Kubernetes" that "aims to provide a common ground for virtualization solutions on top of Kubernetes". Other Kubernetes add-ons that are mentioned in the question are Canal, which is a network policy provider that combines Flannel and Calico; ADOT, which is a distribution of the OpenTelemetry Collector that supports tracing and metrics collection for AWS services; and Romana, which is a network and security automation solution that supports multiple network topologies and policies.
NEW QUESTION # 13
The openstack user list command uses which OpenStack service?
- A. Keystone
- B. Nova
- C. Neutron
- D. Cinder
Answer: A
Explanation:
Explanation
The openstack user list command uses the Keystone service, which is the identity service for OpenStack.
Keystone provides authentication, authorization, and service discovery for OpenStack. It also manages projects, users, roles, and endpoints for the OpenStack services
NEW QUESTION # 14
Which two statements are true about the CN2 controller? (Choose two.)
- A. A CN2 controller communicates with other CN2 controllers using XMPP.
- B. A CN2 controller communicates with CN2 vRouters using BGP.
- C. A CN2 controller communicates with CN2 vRouters using XMPP.
- D. A CN2 controller communicates with other CN2 controllers using BGP.
Answer: C,D
Explanation:
Explanation
A CN2 controller communicates with CN2 vRouters using XMPP (Extensible Messaging and Presence Protocol) and with other CN2 controllers using BGP (Border Gateway Protocol). XMPP is used for control plane communication, while BGP is used for routing updates between controllers.
NEW QUESTION # 15
Which statement is correct about overlay or underlay networks or fabrics?
- A. Underlay fabrics enable multitenancy through virtualization.
- B. Overlay networks are Layer 3 networks that must use OSPF for routing purposes.
- C. Underlay fabrics decouple network services from the overlay infrastructure.
- D. Overlay networks are virtual networks.
Answer: D
Explanation:
Explanation
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. References from Juniper site: Baeldung on Computer Science, PacketFabric, Cisco, HPE Aruba Networking
NEW QUESTION # 16
What is the name of the Docker container runtime?
- A. containerd
- B. dockerd
- C. docker cl
- D. cri-o
Answer: A
Explanation:
Explanation
The name of the Docker container runtime is containerd, which is a daemon that manages the complete container lifecycle of its host system, from image transfer and storage to container execution and supervision to low-level storage to network attachments and beyond. Dockerd is the Docker daemon that acts as the primary user interface for Docker. Docker cl is not a valid name for any Docker component. Cri-o is another container runtime that implements the Kubernetes Container Runtime Interface (CRI) to enable using OCI (Open Container Initiative) compatible runtimes
NEW QUESTION # 17
Which statement is correct about a vRouter?
- A. A vRouter uses logical systems to create individual routing tables for each tenant.
- B. A vRouter always provides a direct connection between a tenant VM and the underlay network.
- C. A vRouter can only provide connections to a single tenant's VM.
- D. A vRouter uses virtual routing and forwarding (VRF) instances to create individual routing tables for each tenant.
Answer: D
Explanation:
Explanation
A vRouter uses virtual routing and forwarding (VRF) instances to create individual routing tables for each tenant. A VRF is a logical partition of a router's routing table that allows multiple instances of routing information to coexist on the same router. A vRouter can provide connections to multiple tenants' VMs by using different VRFs for each tenant
NEW QUESTION # 18
Which two statements are correct about Network Functions Virtualization (NFV)? (Choose two.)
- A. The NFV infrastructure (NFVI) is a component of NFV.
- B. The NFV framework is defined by the W3C.
- C. The NFV infrastructure (NFVI) is not a component of NFV.
- D. The NFV framework explains how VNFs fits into the whole solution.
Answer: A,D
Explanation:
Explanation
Network Functions Virtualization (NFV) is a network architecture concept that uses IT virtualization technologies to virtualize entire classes of network node functions into building blocks that may connect or chain together to create communication services3. The NFV framework explains how Virtual Network Functions (VNFs) fit into the whole solution4. The NFV Infrastructure (NFVI) is a component of NFV that consists of the infrastructure components -compute, storage, networking-on a platform to support software4. References from Juniper site: Red Hat, VMware, Wikipedia
NEW QUESTION # 19
Which two statements about Kubernetes are correct? (Choose two.)
- A. Each container within a pod has a unique IP address.
- B. A ClusterlP service exposes pods to internal traffic only
- C. All containers within a pod share the same IP address.
- D. A ClusterlP service exposes pods to internal and external traffic.
Answer: B,C
Explanation:
Explanation
In Kubernetes, all containers within a pod share the same IP address7. A ClusterIP service exposes pods to internal traffic only87. References from Juniper site: IBM, Kubernetes Documentation
NEW QUESTION # 20
You are provisioning workloads on worker nodes in a Kubernetes cluster.
Which CN2 component is responsible for generating associated routes?
- A. vRouter agent microservice
- B. Contrail kube-manager
- C. vRouter forwarding plane
- D. Configuration Resource (CR) controllers
Answer: A
Explanation:
Explanation
The vRouter agent microservice is the CN2 component responsible for generating associated routes. When a pod is scheduled on a node, the vRouter agent on that node programs the necessary routes in the kernel routing table to ensure that traffic destined for that pod is properly routed.
NEW QUESTION # 21
What are two characteristics of the OpenShift Assisted Installer? (Choose two.)
- A. It uses one of the control plane nodes as a bootstrap node.
- B. It offers REST APIs for the configuration and installation
- C. It does not support bare-metal deployments.
- D. It provides full feature support and customizations.
Answer: A,B
Explanation:
Explanation
The OpenShift Assisted Installer uses one of the control plane nodes as a bootstrap node12. It also offers REST APIs for the configuration and installation12.
NEW QUESTION # 22
Which two statements are correct about OpenShift monitoring? (Choose two.)
- A. OpenShifis not able to configure customized alerts.
- B. OpenShifis able to configure customized alerts.
- C. OpenShifmonitoring is not compatible with Grafana.
- D. OpenShifhas its own monitoring framework.
Answer: B,D
Explanation:
Explanation
OpenShift includes a preconfigured, preinstalled, and self-updating monitoring stack that provides monitoring for core platform components4. You also have the option to enable monitoring for user-defined projects4. This means OpenShift has its own monitoring framework (B) and is able to configure customized alerts (D).
References from Juniper site: OpenShift Container Platform
NEW QUESTION # 23
What are two reasons to create a Kubernetes deployment rather than work with pods directly? (Choose two.)
- A. A deployment contains imperative instructions on how to re-create a pod if a pod dies unexpectedly.
- B. A deployment simplifies pod updates and roll-outs.
- C. A deployment is ephemeral and therefore requires less configuration.
- D. A deployment ensures that the desired number of pods is running at all times.
Answer: B,D
Explanation:
Explanation
A Kubernetes deployment is a resource object in Kubernetes that provides declarative updates to applications. It allows you to describe an application's life cycle, such as which images to use for the app, the number of pods there should be, and the way in which they should be updated1. Two reasons to create a Kubernetes deployment rather than work with pods directly are:
A deployment ensures that the desired number of pods is running at all times1. If a pod crashes, the Deployment will automatically re-create it.
A deployment simplifies pod updates and roll-outs1. It allows you to describe a desired state in its specification and the Deployment controller changes the actual state to the desired state at a controlled rate1. References from Juniper site: Kubernetes Documentation
NEW QUESTION # 24
You are asked to run a container in a Kubernetes environment.
What should you do to accomplish this task?
- A. Create a JINJA2 template for the container and its resources.
- B. Define an XML configuration for the container and its resources.
- C. Create a WYSYG definition for the container and its resources.
- D. Define a YAML manifest for the container and its resources.
Answer: D
Explanation:
Explanation
To run a container in a Kubernetes environment, you should define a YAML manifest for the container and its resources2. YAML manifests are used to define Kubernetes objects, such as pods or services. These manifests describe the desired state of the system2.
NEW QUESTION # 25
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