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JN0-214인증시험대비공부자료 & JN0-214퍼펙트덤프최신문제

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Juniper JN0-214 시험요강:

주제
소개

주제 1

Software-Defined Networking: This section of the exam measures the skills of Network Automation Engineers and focuses on SDN concepts, including its architecture, controllers, and solutions. Candidates must understand how SDN separates the control plane from the data plane to improve network agility and automation. The exam also evaluates knowledge of SDN’s role in modern cloud environments. One key skill assessed is identifying SDN components and their functions.

주제 2

Cloud Virtualization: This section of the exam measures the skills of Linux System Administrators and covers Linux-based virtualization technologies. Candidates must understand Linux architecture, hypervisors (Type 1 & 2), and KVM
QEMU operations. The exam also includes creating virtual machines and managing Linux virtualization environments. One skill assessed is setting up and managing Linux-based virtual machines effectively.

주제 3

Cloud Fundamentals: This section of the exam measures the skills of Cloud Infrastructure Engineers and covers the fundamental concepts of cloud networking. Candidates must understand different deployment models such as public, private, and hybrid cloud, as well as service models such as SaaS, IaaS, and PaaS. The exam also tests knowledge of cloud-native architectures, automation tools, and infrastructure technologies, including Network Functions Virtualization (NFV) and Software-Defined Networking (SDN). One key skill assessed is identifying appropriate cloud deployment models for different business needs.

주제 4

Linux Containers: This section of the exam measures the skills of Containerization Specialists and covers the concepts of Linux containers. Candidates must understand the differences between virtual machines and containers, as well as container components. The exam tests the ability to create and manage containers using Docker. One key skill assessed is deploying and managing containers efficiently.

주제 5

Cloud Orchestration with OpenShift: This section of the exam measures the skills of DevOps Engineers and focuses on OpenShift-based orchestration. Candidates must understand how to create, manage, and monitor workloads using OpenShift, as well as navigate the OpenShift CLI and WebUI. The exam also tests knowledge of node types and different network configurations. One skill assessed is managing OpenShift workloads in a production environment.

주제 6

Network Functions Virtualization: This section of the exam measures the skills of Virtualization Specialists and covers the core principles of NFV. Candidates will be tested on NFV architecture, orchestration, and Virtual Network Functions (VNFs), which are crucial for creating scalable and flexible network infrastructures. Understanding NFV helps optimize network performance and reduce dependency on hardware-based solutions. One skill assessed is the ability to explain NFV’s role in modern network management.

주제 7

Network Virtualization: This section of the exam measures the skills of Cloud Network Architects and evaluates the principles of network virtualization. Candidates must understand different types of virtual networks, as well as underlay and overlay network configurations. The exam also covers encapsulation and tunneling technologies such as MPLS over GRE, VXLAN, and GENEVE. One skill assessed is the ability to differentiate between underlay and overlay networks in cloud environments.

주제 8

Cloud Orchestration with OpenStack: This section of the exam measures the skills of Cloud Operations Engineers and evaluates expertise in OpenStack-based orchestration. Candidates must understand how to create and manage virtual machines in OpenStack, use HEAT templates for automation, and navigate OpenStack interfaces. The exam also covers OpenStack networking plugins and security groups. One skill assessed is automating cloud deployments using HEAT templates.

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최신 JNCIA-Cloud JN0-214 무료샘플문제 (Q62-Q67):

질문 # 62
You just uploaded a qcow2 image of a vSRX virtual machine in OpenStack.
In this scenario, which service stores the virtual machine (VM) image?

A. Glance
B. Neutron
C. Nova
D. Ironic

정답：A

설명：
OpenStack provides various services to manage cloud infrastructure resources, including virtual machine (VM) images. Let's analyze each option:
A . Glance
Correct: Glance is the OpenStack service responsible for managing and storing VM images. It provides a repository for uploading, discovering, and retrieving images in various formats, such as qcow2, raw, or ISO.
B . Ironic
Incorrect: Ironic is the OpenStack bare-metal provisioning service. It is used to manage physical servers, not VM images.
C . Neutron
Incorrect: Neutron is the OpenStack networking service that manages virtual networks, routers, and IP addresses. It does not store VM images.
D . Nova
Incorrect: Nova is the OpenStack compute service that manages the lifecycle of virtual machines. While Nova interacts with Glance to retrieve VM images for deployment, it does not store the images itself.
Why Glance?
Image Repository: Glance acts as the central repository for VM images, enabling users to upload, share, and deploy images across the OpenStack environment.
Integration with Nova: When deploying a VM, Nova retrieves the required image from Glance to create the instance.
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers OpenStack services, including Glance, as part of its cloud infrastructure curriculum. Understanding Glance's role in image management is essential for deploying and managing virtual machines in OpenStack.
For example, Juniper Contrail integrates with OpenStack Glance to provide advanced networking features for VM images stored in the repository.
Reference:
OpenStack Glance Documentation
Juniper JNCIA-Cloud Study Guide: OpenStack Services

질문 # 63
Which statement is correct about a vRouter?

A. A vRouter uses logical systems to create individual routing tables for each tenant.
B. A vRouter can only provide connections to a single tenant's VM.
C. A vRouter always provides a direct connection between a tenant VM and the underlay network.
D. A vRouter uses virtual routing and forwarding (VRF) instances to create individual routing tables for each tenant.

정답：D

설명：
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.

질문 # 64
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.

정답：B,C

설명：
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.

질문 # 65
Which component of an SDN architecture is responsible for configuring and maintaining devices and their state?

A. the operational plane
B. the forwarding plane
C. the data plane
D. the management plane

정답：D

설명：
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.

질문 # 66
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. This manifest is used to create a deploymentConfig.
C. Four pods are created as a result of applying this manifest.
D. The created pods are receiving traffic on port 80.

정답：A,D

설명：
The provided YAML manifest defines a Kubernetes Deployment object that creates and manages a set of pods running the NGINX web server. Let's analyze each statement in detail:
A . The created pods are receiving traffic on port 80.
Correct:
The containerPort: 80 field in the manifest specifies that the NGINX container listens on port 80 for incoming traffic.
While this does not expose the pods externally, it ensures that the application inside the pod (NGINX) is configured to receive traffic on port 80.
B . This manifest is used to create a deployment.
Correct:
The kind: Deployment field explicitly indicates that this manifest is used to create a Kubernetes Deployment .
Deployments are used to manage the desired state of pods, including scaling, rolling updates, and self-healing.
C . This manifest is used to create a deploymentConfig.
Incorrect:
deploymentConfig is a concept specific to OpenShift, not standard Kubernetes. In OpenShift, deploymentConfig provides additional features like triggers and lifecycle hooks, but this manifest uses the standard Kubernetes Deployment object.
D . Four pods are created as a result of applying this manifest.
Incorrect:
The replicas: 3 field in the manifest specifies that the Deployment will create three replicas of the NGINX pod. Therefore, only three pods are created, not four.
Why These Statements?
Traffic on Port 80:
The containerPort: 80 field ensures that the NGINX application inside the pod listens on port 80. This is critical for the application to function as a web server.
Deployment Object:
The kind: Deployment field confirms that this manifest creates a Kubernetes Deployment, which manages the lifecycle of the pods.
Replica Count:
The replicas: 3 field explicitly states that three pods will be created. Any assumption of four pods is incorrect.
Additional Context:
Kubernetes Deployments:
Deployments are one of the most common Kubernetes objects used to manage stateless applications. They ensure that the desired number of pod replicas is always running and can handle updates or rollbacks seamlessly.
Ports in Kubernetes:
The containerPort field in the pod specification defines the port on which the containerized application listens. However, to expose the pods externally, a Kubernetes Service (e.g., NodePort, LoadBalancer) must be created.
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers Kubernetes concepts, including Deployments, Pods, and networking. Understanding how Deployments work and how ports are configured is essential for managing containerized applications in cloud environments.
For example, Juniper Contrail integrates with Kubernetes to provide advanced networking and security features for Deployments like the one described in the exhibit.
Reference:
Kubernetes Documentation: Deployments
Kubernetes Documentation: Pod Networking
Juniper JNCIA-Cloud Study Guide: Kubernetes Architecture

질문 # 67
......

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