Ultimate Guide to Prepare JN0-214 Certification Exam for JNCIA-Cloud in 2024
Use Real JN0-214 Dumps - Juniper Correct Answers updated on 2024
NEW QUESTION # 20
Which two statements are true about VRF instances? (Choose two.)
- A. VRFs enable overlapping IP addresses within the same cloud network.
- B. VRFs do not enable overlapping IP addresses within the same cloud network.
- C. VRFs share a single routing table.
- D. Each VRF has its own routing table.
Answer: A,D
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 conflict. Each VRF has its own routing table.
NEW QUESTION # 21
What are two available installation methods for an OpenShift cluster? (Choose two.)
- A. installer-provisioned infrastructure
- B. kubeadm
- C. kubesprav
- D. user-provisioned infrastructure
Answer: A,D
Explanation:
There are two available installation methods for an OpenShift cluster. One is the installer- provisioned infrastructure method, and the other is the user-provisioned infrastructure method.
NEW QUESTION # 22
Juniper Cloud-Native Contrail Networking (CN2) is able to be integrated with which orchestrator?
- A. CloudStack
- B. Kubernetes
- C. Mesosphere
- D. Marathon
Answer: B
Explanation:
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.
NEW QUESTION # 23
Which two statements are correct about an overlay network? (Choose two.)
- A. The overlay network can only be built using a Layer 3 underlay network.
- B. The overlay network provides physical connectivity between devices.
- C. The overlay network is built using encapsulation tunnels.
- D. The overlay network is the virtual network used to connect multiple virtual machines (VMs).
Answer: C,D
Explanation:
An overlay network is a virtual network that is built on top of another network. Nodes in the overlay network are connected by virtual or logical links, each of which corresponds to a path, perhaps through many physical links, in the underlying network. For example, distributed systems such as peer-to-peer networks and client-server applications often overlay their own network connections over the physical network connections provided by the Internet.
NEW QUESTION # 24
Which two statements are correct about Kubernetes resources? (Choose two.)
- A. NodePort service exposes the service externally by using a cloud provider load balancer.
- B. A daemonSet ensures that a replica of a pod is running on all nodes.
- C. A ClusterIP type service can only be accessed within a Kubernetes cluster.
- D. A deploymentConfig is a Kubernetes resource.
Answer: B,C
Explanation:
A daemonSet in Kubernetes ensures that a replica of a pod is running on all nodes. A ClusterIP type service can only be accessed within a Kubernetes cluster.
NEW QUESTION # 25
Which SDN model provisions tunnels between the virtual endpoints within and across data centers?
- A. open SDN
- B. SDN overlay
- C. switch-based SDN
- D. SDN by APIs
Answer: B
Explanation:
The SDN overlay model provisions tunnels between the virtual endpoints within and across data centers. This model uses network overlays to support private communication between instances.
NEW QUESTION # 26
You want to view pods with their IP addresses in OpenShift.
Which command would you use to accomplish this task?
- A. oc get all
- B. oc get pods -o wide
- C. oc get pods
- D. oc get pods -o yaml
Answer: B
Explanation:
To view pods with their IP addresses in OpenShift, you would use the command oc get pods -o wide. This command provides additional information such as the IP address and the node where the pod is located.
NEW QUESTION # 27
What are two Kubernetes objects? (Choose two.)
- A. service
- B. pod
- C. namespace
- D. cluster
Answer: A,B
Explanation:
In Kubernetes, a Pod is the smallest and simplest unit in the Kubernetes object model that you create or deploy. A Pod represents processes running on your cluster. A Service in Kubernetes is an abstraction which defines a logical set of Pods and a policy by which to access them.
NEW QUESTION # 28
Which two statements are correct about OpenShift monitoring? (Choose two.)
- A. OpenShifis able to configure customized alerts.
- B. OpenShifmonitoring is not compatible with Grafana.
- C. OpenShifhas its own monitoring framework.
- D. OpenShifis not able to configure customized alerts.
Answer: A,C
Explanation:
OpenShift includes a preconfigured, preinstalled, and self-updating monitoring stack that provides monitoring for core platform components. You also have the option to enable monitoring for user- defined projects. This means OpenShift has its own monitoring framework (B) and is able to configure customized alerts (D).
NEW QUESTION # 29
Which CN2 component provides the network control plane capability?
- A. contrail-control
- B. contrail-k8s-controller
- C. contrail-vrouter-nodes
- D. contrail-k8s-kubemanaqer
Answer: A
Explanation:
The network control plane in CN2 represents CN2's full-featured SDN capability. It communicates with other controllers and uses XMPP to communicate with the distributed data plane components on the worker nodes.
NEW QUESTION # 30
Which two statements are true about the CN2 controller? (Choose two.)
- A. A CN2 controller communicates with CN2 vRouters using BGP.
- B. A CN2 controller communicates with other CN2 controllers using XMPP.
- C. A CN2 controller communicates with other CN2 controllers using BGP.
- D. A CN2 controller communicates with CN2 vRouters using XMPP.
Answer: C,D
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 # 31
What is the name of the Docker container runtime?
- A. cri-o
- B. docker cl
- C. dockerd
- D. containerd
Answer: D
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 # 32
Which statement is true about containers?
- A. Containers perform abstraction at the application layer.
- B. Containers are slower to boot than virtual machines.
- C. Containers share a copy of the host's operating system binaries.
- D. Containers perform abstraction at the physical layer.
Answer: A
Explanation:
Containers perform abstraction at the application layer. They are executable units of software in which application code is packaged along with its libraries and dependencies, in common ways so that the code can be run anywhere--whether it be on desktop, traditional IT or the cloud.
NEW QUESTION # 33
What is the networking service of OpenStack?
- A. Neutron
- B. Barbican
- C. Heat
- D. ironic
Answer: A
Explanation:
OpenStack's networking service is known as Neutron. Neutron provides a scalable, API-driven, web services-based model for network connectivity as a service. It is designed to manage and configure networking services for both simple and complex network topologies. Neutron allows users to create their own networks, control traffic and connect servers and devices to one or multiple networks.
NEW QUESTION # 34
What are two characteristics of the OpenShift Assisted Installer? (Choose two.)
- A. It does not support bare-metal deployments.
- B. It offers REST APIs for the configuration and installation
- C. It uses one of the control plane nodes as a bootstrap node.
- D. It provides full feature support and customizations.
Answer: B,C
Explanation:
The OpenShift Assisted Installer uses one of the control plane nodes as a bootstrap node. It also offers REST APIs for the configuration and installation.
NEW QUESTION # 35
You have started a container in Docker, made configuration changes to it, and stopped the container. You notice the next time that you execute the docker run command, the changes have not persisted.
What is the problem?
- A. The docker run command starts a new copy of the container, not the existing version.
- B. Docker images need to be recompiled to make any changes.
- C. The docker exec command needs to be run first to save and exit the running container.
- D. The docker load command must be used to persist the change.
Answer: A
Explanation:
Docker containers are designed to be ephemeral, meaning they run based on their current configuration. When a Docker container is stopped, it does not automatically save changes made during its runtime. When you execute docker run, it starts a new instance of the container, not an existing version with its changes. If you want to persist changes between runs, you need to commit changes to a new Docker image or use Docker volumes for data persistence.
NEW QUESTION # 36
Which two statements about overlay virtual networks are true? (Choose two.)
- A. Overlay virtual networks only allow Layer 3 communication.
- B. Overlay virtual networks work well on an IP spine-and-leaf topology.
- C. Overlay virtual networks use Juniper proprietary protocols.
- D. Overlay virtual networks allow both Layer 2 and Layer 3 communication.
Answer: B,D
Explanation:
Overlay virtual networks are virtual logical networks constructed on top of an existing network using network virtualization technologies. They decouple network services from the physical networking and interconnection technologies on the underlay network. Two true statements about overlay virtual networks are:
Overlay virtual networks work well on an IP spine-and-leaf topology. They can be created over underlay networks using network virtualization technologies.
Overlay virtual networks allow both Layer 2 and Layer 3 communication. They can serve not only different services (such as multiple departments) of the same tenant but also different tenants.
NEW QUESTION # 37
Your company has a Web app hosted in Kubernetes with a fluctuating number of pods.
In this scenario, which Kubernetes service type would provide equal access to all nodes using a single URL?
- A. ClusterIP
- B. NodePort
- C. ExternalName
- D. LoadBalancer
Answer: D
Explanation:
The LoadBalancer service type in Kubernetes exposes the service externally using a cloud provider's load balancer. NodePort and ClusterIP services, to which the external load balancer routes, are automatically created.
NEW QUESTION # 38
What is the function that enables CN2 to manage its resources and interact with the kube-api?
- A. the configuration plane
- B. the management plane
- C. the control plane
- D. the data plane
Answer: A
Explanation:
The configuration plane is the function that enables CN2 to manage its resources and interact with the kube-api. The configuration plane is responsible for storing and managing all configuration data in a Contrail cluster. It provides APIs for other components to retrieve this data.
This allows CN2 to manage its resources and interact with the kube-api.
NEW QUESTION # 39
Which two statements are correct about Network Functions Virtualization (NFV)? (Choose two.)
- A. The NFV infrastructure (NFVI) is not a component of NFV.
- B. The NFV framework is defined by the W3C.
- C. The NFV framework explains how VNFs fits into the whole solution.
- D. The NFV infrastructure (NFVI) is a component of NFV.
Answer: C,D
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 services. The NFV framework explains how Virtual Network Functions (VNFs) fit into the whole solution. The NFV Infrastructure (NFVI) is a component of NFV that consists of the infrastructure components --compute, storage, networking-- on a platform to support software.
NEW QUESTION # 40
You must provide tunneling in the overlay that supports multipath capabilities.
Which two protocols provide this function? (Choose two.)
- A. VXLAN
- B. VPN
- C. MPLSoUDP
- D. MPLSoGRE
Answer: A,C
Explanation:
MPLSoUDP (Multiprotocol Label Switching over User Datagram Protocol) and VXLAN (Virtual Extensible LAN) are two protocols that provide tunneling in the overlay and support multipath capabilities. MPLSoUDP is an encapsulation protocol that allows MPLS packets to be encapsulated in UDP packets. VXLAN is a network virtualization technology that attempts to address the scalability problems associated with large cloud computing deployments.
NEW QUESTION # 41
What is the most privileged protection ring?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
In computer science, hierarchical protection domains, often called protection rings, are mechanisms to protect data and functionality from faults and malicious behavior. Rings are arranged in a hierarchy from most privileged (most trusted, usually numbered zero) to least privileged (least trusted, usually with the highest ring number). On most operating systems, Ring
0 is the level with the most privileges and interacts most directly with the physical hardware.
NEW QUESTION # 42
Which two functions does CN2 provide? (Choose two.)
- A. It provides underlay network management capabilities.
- B. It provides enhanced networking capabilities to private clouds.
- C. It performs SDN functions in an NFV solution.
- D. It provides an orchestration solution for VMs and containers.
Answer: B,D
Explanation:
CN2 (Cranial Nerve II), also known as the optic nerve, controls the special sense of vision. It transmits visual information from the retina to the vision centers of the brain. Two functions that CN2 provides are:
It provides enhanced networking capabilities to private clouds. It transmits special afferent impulses of light to the brain and is involved in several reflex arcs related to the ocular system.
It provides an orchestration solution for VMs and containers. It is a unique structure that functions as the bridge between the retinal layer of the eyes and the visual cortex of the brain.
NEW QUESTION # 43
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