Pass Your Exam Easily! JN0-213 Real Question Answers Updated on Nov 05, 2023
Actual Questions Answers Pass With Real JN0-213 Exam Dumps
NEW QUESTION # 23
The Kubernetes object definition file is in which format?
- A. HTML
- B. IXML
- C. TXT
- D. YAML
Answer: D
Explanation:
Explanation
The Kubernetes object definition file is in YAML format789. Kubernetes objects are represented in the Kubernetes API, and you can express them in .yaml format7. You can execute kubectl get deployment
<deployment-name> -o yaml to get the deployment definition in a yaml format8.
NEW QUESTION # 24
Which two statements are true about virtual networks? (Choose two.)
- A. Virtual networks are available on common Linux distributions.
- B. Virtual networks are available only as part of a cloud orchestration system.
- C. Virtual networks are able to span multiple devices.
- D. Virtual networks are limited to a single device.
Answer: A,C
Explanation:
Explanation
Virtual networks are logical networks that are decoupled from the underlying network hardware. This decoupling allows network administrators to manage their networks independently of the physical network topology. As such, virtual networks can span multiple devices, allowing for a high degree of flexibility and scalability. Furthermore, virtual networks are available on common Linux distributions, allowing for easy deployment and management.
NEW QUESTION # 25
Which term identifies to which network a virtual machine interface is connected?
- A. machine access control (MAC)
- B. virtual tunnel endpoint (VTEP)
- C. virtual network ID (VNID)
- D. Virtual Extensible LAN (VXLAN)
Answer: C
Explanation:
Explanation
The term that identifies to which network a virtual machine interface is connected is the virtual network ID (VNID). The VNID is a unique identifier assigned to each virtual network. It is used to differentiate between different virtual networks and to ensure that each virtual machine interface is connected to the correct network.
NEW QUESTION # 26
You must provide tunneling in the overlay that supports multipath capabilities.
Which two protocols provide this function? (Choose two.)
- A. MPLSoGRE
- B. VPN
- C. VXLAN
- D. MPLSoUDP
Answer: C,D
Explanation:
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 capabilities45.
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 # 27
What are the two primary ways used to manage objects by kubectl? (Choose two.)
- A. declarative commands
- B. imperative commands
- C. declarative object configuration
- D. imperative object commands
Answer: B,C
Explanation:
Explanation
The two primary ways used to manage objects by kubectl are imperative commands and declarative object configuration10. Imperative commands operate directly on live objects in a cluster. The user provides operations to the kubectl command as arguments or flags10. Declarative object configuration specifies the operation (create, replace, etc.), optional flags and at least one file name. The file specified must contain a full definition of the object in YAML or JSON format10.
NEW QUESTION # 28
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:
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 # 29
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:
Explanation
The SDN overlay model provisions tunnels between the virtual endpoints within and across data centers2. This model uses network overlays to support private communication between instances3. References from Juniper site: Microsoft Learn, Red Hat Customer Portal
NEW QUESTION # 30
What are two available installation methods for an OpenShift cluster? (Choose two.)
- A. installer-provisioned infrastructure
- B. user-provisioned infrastructure
- C. kubesprav
- D. kubeadm
Answer: A,B
Explanation:
Explanation
There are two available installation methods for an OpenShift cluster. One is the installer-provisioned infrastructure method56, and the other is the user-provisioned infrastructure method56. References from Juniper site: VMware NSX Container Plugin, OpenShift Container Platform 4.10 Documentation
NEW QUESTION # 31
Which cloud service model provides access to networking, storage, servers, and virtualization in a cloud environment?
- A. Infrastructure as a Service (laaS)
- B. Software as a Service (Saa)
- C. Database as a Service (Daa)
- D. Platform as a Service (Paa)
Answer: A
Explanation:
Explanation
Infrastructure as a Service (IaaS) is a cloud service model that provides access to networking, storage, servers, and virtualization in a cloud environment91011. References from Juniper site: IBM, Google Cloud, Stackscale
NEW QUESTION # 32
What is the function that enables CN2 to manage its resources and interact with the kube-api?
- A. the control plane
- B. the configuration plane
- C. the data plane
- D. the management plane
Answer: B
Explanation:
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 # 33
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. Romana
- B. Canal
- C. KubeVirt
- D. ADOT
Answer: C
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 # 34
Which virtualization method requires less duplication of hardware resources?
- A. hardware-assisted virtualization
- B. full virtualization
- C. OS-level virtualization
- D. paravirtualization
Answer: C
Explanation:
Explanation
OS-level virtualization requires less duplication of hardware resources. This method allows multiple instances of an operating system or multiple different operating systems to run on a single physical server, sharing the same hardware resources. This results in more efficient use of hardware resources compared to other virtualization methods such as full virtualization or paravirtualization
NEW QUESTION # 35
Which two statements are correct about an overlay network? (Choose two.)
- A. The overlay network provides physical connectivity between devices.
- B. The overlay network is built using encapsulation tunnels.
- C. The overlay network is the virtual network used to connect multiple virtual machines (VMs).
- D. The overlay network can only be built using a Layer 3 underlay network.
Answer: B,C
Explanation:
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 network45. 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 # 36
What is an OpenShift route?
- A. It allows pods to communicate across namespaces.
- B. It provisions external access to a service.
- C. It allows pods to communicate across clusters.
- D. It provisions endpoints for a service.
Answer: B
Explanation:
Explanation
An OpenShift route is a way to provision external access to a service. A route exposes a service at a host name, such as www.example.com, that external clients can use to access the service. A route can also specify security options, such as TLS termination, and load balancing options, such as round robin or least connection
NEW QUESTION # 37
You want to limit the memory, CPU, and network utilization of a set of processes running on a Linux host.
Which Linux feature would you configure in this scenario?
- A. virtual routing and forwarding instances
- B. network namespaces
- C. slicing
- D. control groups
Answer: D
Explanation:
Explanation
Control groups (cgroups) is a Linux kernel feature that limits, accounts for, and isolates the CPU, memory, disk I/O, and network usage of one or more processes678. It allows you to allocate resources among user-defined groups of processes running on a system. You can monitor the groups of processes, deny the groups of processes access to certain resources, or even freeze groups of processes
NEW QUESTION # 38
Which two statements are correct about OpenShift monitoring? (Choose two.)
- A. OpenShifmonitoring is not compatible with Grafana.
- B. OpenShifis able to configure customized alerts.
- C. OpenShifhas its own monitoring framework.
- D. OpenShifis not able to configure customized alerts.
Answer: B,C
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 # 39
Click the Exhibit button.
You apply the manifest file shown in the exhibit.
Which two statements are correct in this scenario? (Choose two.)
- A. This manifest is used to create a deployment.
- B. The created pods are receiving traffic on port 80.
- C. This manifest is used to create a
- D. Four pods are created as a result of applying this manifest.
Answer: A,D
Explanation:
Explanation
This manifest is used to create a deployment, which is a Kubernetes resource that manages a set of pods with the same configuration. A deployment can also provide declarative updates, scaling, and rolling back for the pods. The created pods are not receiving traffic on port 80, because the manifest does not specify a service or a selector for the deployment. A service is another Kubernetes resource that defines a logical set of pods and a policy to access them. A selector is a label query that matches the pods that belong to the service. Four pods are created as a result of applying this manifest, because the manifest specifies replicas: 4 in the spec section of the deployment
NEW QUESTION # 40
What is the name of the Docker container runtime?
- A. containerd
- B. cri-o
- C. dockerd
- D. docker cl
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 # 41
Which two statements are correct about Network Functions Virtualization (NFV)? (Choose two.)
- A. The NFV framework is defined by the W3C.
- B. The NFV infrastructure (NFVI) is not a component of NFV.
- C. The NFV infrastructure (NFVI) is a component of NFV.
- D. The NFV framework explains how VNFs fits into the whole solution.
Answer: C,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 # 42
Which statement is true about containers?
- A. Containers are slower to boot than virtual machines.
- B. Containers share a copy of the host's operating system binaries.
- C. Containers perform abstraction at the physical layer.
- D. Containers perform abstraction at the application layer.
Answer: D
Explanation:
Explanation
Containers perform abstraction at the application layer12. 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 cloud12.
NEW QUESTION # 43
Which Docker component builds, runs, and distributes Docker containers?
- A. docker cli
- B. docker registry
- C. containerd
- D. dockerd
Answer: D
Explanation:
Explanation
The Docker component that builds, runs, and distributes Docker containers is dockerd. Dockerd is the persistent process that manages containers. Docker uses different binaries for different tasks. For example, it uses the docker binary for CLI commands and dockerd for the daemon process.
NEW QUESTION # 44
Which component of a software-defined networking (SDN) controller defines where data packets are forwarded by a network device?
- A. the control plane
- B. the operational plane
- C. the forwarding plane
C the management plane
Answer: C
Explanation:
Explanation
The forwarding plane (also known as the data plane) of a software-defined networking (SDN) controller is responsible for forwarding data packets based on the instructions given by the control plane23. It handles all activities involving data packets sent by the end-user, including forwarding of packets2. References from Juniper site: GeeksforGeeks, SDxCentral
NEW QUESTION # 45
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