[Full-Version] 2024 New JN0-214 Actual Exam Dumps, Juniper Practice Test
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NEW QUESTION # 29
Which component of an SDN architecture is responsible for configuring and maintaining devices and their state?
- A. the forwarding plane
- B. the data plane
- C. the management plane
- D. the operational plane
Answer: C
Explanation:
The management plane in an SDN architecture is responsible for configuring and maintaining devices and their state. It provides the functions that manage the network, such as configuration, monitoring, and management of network devices. It is the layer of the network that carries administrative traffic, which is used for the network management.
NEW QUESTION # 30
You are provisioning workloads on worker nodes in a Kubernetes cluster.
Which CN2 component is responsible for generating associated routes?
- A. Contrail kube-manager
- B. vRouter agent microservice
- C. Configuration Resource (CR) controllers
- D. vRouter forwarding plane
Answer: B
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 # 31
What are the two primary ways used to manage objects by kubectl? (Choose two.)
- A. imperative commands
- B. declarative object configuration
- C. imperative object commands
- D. declarative commands
Answer: A,B
Explanation:
The two primary ways used to manage objects by kubectl are imperative commands and declarative object configuration. Imperative commands operate directly on live objects in a cluster. The user provides operations to the kubectl command as arguments or flags. 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 format.
NEW QUESTION # 32
Which two statements are correct about OpenStack networks? (Choose two.)
- A. It is possible to enable DHCP for a subnet in an OpenStack network.
- B. It is not possible to add host routes in the DHCP settings in an OpenStack network.
- C. It is not possible to specify a subnet address in an OpenStack network.
- D. It is possible to share networks with other projects in an OpenStack network.
Answer: A,D
Explanation:
In OpenStack networks, it is possible to share networks with other projects. Also, it is possible to enable DHCP for a subnet in an OpenStack network.
NEW QUESTION # 33
What is the most privileged protection ring?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
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 # 34
Juniper Cloud-Native Contrail Networking (CN2) is able to be integrated with which orchestrator?
- A. Kubernetes
- B. Mesosphere
- C. CloudStack
- D. Marathon
Answer: A
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 # 35
Which two statements are true regarding isolated namespaces in Juniper Cloud-Native Contrail Networking (CN2)? (Choose two.)
- A. Pods in isolated namespaces can communicate with pods in non-isolated namespaces.
- B. Pods in isolated namespaces can only communicate with pods in the same namespace.
- C. Pods in isolated namespaces can only reach services in the same namespace.
- D. Pods in isolated namespaces can reach services in non-isolated namespaces.
Answer: B,C
Explanation:
In Juniper Cloud-Native Contrail Networking (CN2), isolated namespaces are used to isolate a pod from other pods without explicitly configuring a network policy. Pods in an isolated namespace can only communicate with pods in the same namespace. They cannot reach pods or services in other isolated or non-isolated namespaces.
NEW QUESTION # 36
The Kubernetes object definition file is in which format?
- A. TXT
- B. IXML
- C. YAML
- D. HTML
Answer: C
Explanation:
The Kubernetes object definition file is in YAML format. Kubernetes objects are represented in the Kubernetes API, and you can express them in .yaml format. You can execute kubectl get deployment <deployment-name> -o yaml to get the deployment definition in a yaml format.
NEW QUESTION # 37
You are asked to run a container in a Kubernetes environment.
What should you do to accomplish this task?
- A. Define a YAML manifest for the container and its resources.
- B. Create a WYSYG definition for the container and its resources.
- C. Create a JINJA2 template for the container and its resources.
- D. Define an XML configuration for the container and its resources.
Answer: A
Explanation:
To run a container in a Kubernetes environment, you should define a YAML manifest for the container and its resources. YAML manifests are used to define Kubernetes objects, such as pods or services. These manifests describe the desired state of the system.
NEW QUESTION # 38
You are deploying CN2 using Kubernetes as your orchestrator.
In this scenario, which component contains the vRouter agent?
- A. kube-manager
- B. worker node
- C. Ikube-scheduler
- D. Contrail controller
Answer: B
Explanation:
In a CN2 deployment using Kubernetes as the orchestrator, the vRouter agent is contained in the worker node. The vRouter agent is responsible for managing the forwarding plane on each node in a Contrail cluster. It interacts with the kernel to manage the services and interfaces within the virtual networks.
NEW QUESTION # 39
Which virtualization method requires less duplication of hardware resources?
- A. full virtualization
- B. hardware-assisted virtualization
- C. OS-level virtualization
- D. paravirtualization
Answer: C
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 # 40
Which two Linux commands would you use to show the amount of RAM in your system? (Choose two.)
- A. free -h
- B. cat /proc/meminto
- C. df -h
- D. cat /proc/cpuinfo
Answer: A,B
Explanation:
he free -h command in Linux displays the total amount of free and used physical and swap memory in the system, as well as the buffers used by the kernel. The cat /proc/meminfo command displays real-time information about the system's memory usage as well as the buffers and shared memory used by the kernel.
NEW QUESTION # 41
Which statement is correct about overlay or underlay networks or fabrics?
- A. Overlay networks are Layer 3 networks that must use OSPF for routing purposes.
- B. Underlay fabrics enable multitenancy through virtualization.
- C. Underlay fabrics decouple network services from the overlay infrastructure.
- D. Overlay networks are virtual networks.
Answer: D
Explanation:
Overlay networks are indeed virtual networks. They are logical constructs that stitch together disparate, dispersed network infrastructure, often referred to as underlay. Underlay networks refer to the physical network infrastructure, while overlay networks implement network virtualization concepts.
NEW QUESTION # 42
What is the name of the Docker container runtime?
- A. containerd
- B. docker cl
- C. dockerd
- D. cri-o
Answer: A
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 # 43
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 enable overlapping IP addresses within the same cloud network.
- D. VRFs do not enable overlapping IP addresses within the same cloud network.
Answer: B,C
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 # 44
You are deploying CN2 using Kubernetes as your orchestrator.
In this scenario, which component contains the vRouter agent?
- A. kube-manager
- B. worker node
- C. Ikube-scheduler
- D. Contrail controller
Answer: B
Explanation:
In a CN2 deployment using Kubernetes as the orchestrator, the vRouter agent is contained in the worker node. The vRouter agent is responsible for managing the forwarding plane on each node in a Contrail cluster. It interacts with the kernel to manage the services and interfaces within the virtual networks.
NEW QUESTION # 45
Which container runtime engine is used by default in OpenShift?
- A. cri-o
- B. runC
- C. Docker
- D. containerd
Answer: A
Explanation:
The default container runtime engine used by OpenShift is cri-o. CRI-O is an open source, community-driven container engine. Its primary goal is to replace the Docker service as the container engine for Kubernetes implementations, such as OpenShift Container Platform.
NEW QUESTION # 46
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. ADOT
- C. KubeVirt
- D. Canal
Answer: C
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 # 47
Your business has optimized its applications to leverage a cloud-native microservices-based architecture.
In this architecture, how do the various modules of an application communicate?
- A. Application modules communicate through remote direct memory access
- B. Application modules communicate through interprocess communication
- C. Application modules communicate through shared data structures (DB/files).
- D. Application modules communicate through application programming interface (API) calls.
Answer: D
Explanation:
In a cloud-native microservices-based architecture, the various modules of an application communicate through application programming interface (API) calls. Each service is autonomous and self-contained and runs a unique process.
NEW QUESTION # 48
What is an OpenShift route?
- A. It allows pods to communicate across clusters.
- B. It provisions endpoints for a service.
- C. It provisions external access to a service.
- D. It allows pods to communicate across namespaces.
Answer: C
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 # 49
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:
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 # 50
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