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Free PDF Juniper - JN0-214–Trustable Valid Exam Materials

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Juniper JN0-214 Exam Syllabus Topics:

Topic
Details

Topic 1

Cloud Orchestration with Kubernetes: This section of the exam measures the skills of Kubernetes Administrators and tests their knowledge of container orchestration. Candidates must demonstrate proficiency in creating and managing Kubernetes containers, working with API objects such as Pods, ReplicaSets, Deployments, and Services, and configuring namespaces and CNI plugins. One key skill assessed is deploying and scaling Kubernetes applications effectively.

Topic 2

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.

Topic 3

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.

Topic 4

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.

Topic 5

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.

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Valid JN0-214 Exam Materials - Cloud, Associate (JNCIA-Cloud) Realistic Valid Braindumps Sheet Pass Guaranteed

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Juniper Cloud, Associate (JNCIA-Cloud) Sample Questions (Q52-Q57):

NEW QUESTION # 52
Click the Exhibit button.

Referring to the exhibit, which statement is correct?

A. There are no services.
B. There are no virtual machines.
C. There are no projects.
D. There are no compute nodes.

Answer: B

Explanation:
There are no virtual machines. Referring to the exhibit, which shows the output of the openstack server list command, we can see that there are no rows in the table, which means that there are no servers (or virtual machines) in the OpenStack environment. The command openstack server list is used to list servers that you can access. The other statements are incorrect, because the exhibit does not show any information about projects, services, or compute nodes. To list projects, you would use the command openstack project list. To list services, you would use the command openstack service list. To list compute nodes, you would use the command openstack compute service list.

NEW QUESTION # 53
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 load command must be used to persist the change.
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 run command starts a new copy of the container, not the existing version.

Answer: D

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 # 54
Which OpenStack service provides API client authentication?

A. Keystone
B. Nova
C. iHeat
D. Neutron

Answer: A

Explanation:
Keystone is an OpenStack service that provides API client authentication. It provides API client authentication, service discovery, and distributed multi-tenant authorization by implementing OpenStack's Identity API.

NEW QUESTION # 55
You must provide tunneling in the overlay that supports multipath capabilities.
Which two protocols provide this function? (Choose two.)

A. MPLSoUDP
B. VPN
C. MPLSoGRE
D. VXLAN

Answer: A,D

Explanation:
In cloud networking, overlay networks are used to create virtualized networks that abstract the underlying physical infrastructure. To support multipath capabilities , certain protocols provide efficient tunneling mechanisms. Let's analyze each option:
A . MPLSoGRE
Incorrect: MPLS over GRE (MPLSoGRE) is a tunneling protocol that encapsulates MPLS packets within GRE tunnels. While it supports MPLS traffic, it does not inherently provide multipath capabilities.
B . VXLAN
Correct: VXLAN (Virtual Extensible LAN) is an overlay protocol that encapsulates Layer 2 Ethernet frames within UDP packets. It supports multipath capabilities by leveraging the Equal-Cost Multi-Path (ECMP) routing in the underlay network. VXLAN is widely used in cloud environments for extending Layer 2 networks across data centers.
C . VPN
Incorrect: Virtual Private Networks (VPNs) are used to securely connect remote networks or users over public networks. They do not inherently provide multipath capabilities or overlay tunneling for virtual networks.
D . MPLSoUDP
Correct: MPLS over UDP (MPLSoUDP) is a tunneling protocol that encapsulates MPLS packets within UDP packets. Like VXLAN, it supports multipath capabilities by utilizing ECMP in the underlay network. MPLSoUDP is often used in service provider environments for scalable and flexible network architectures.
Why These Protocols?
VXLAN: Provides Layer 2 extension and supports multipath forwarding, making it ideal for large-scale cloud deployments.
MPLSoUDP: Combines the benefits of MPLS with UDP encapsulation, enabling efficient multipath routing in overlay networks.
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers overlay networking protocols like VXLAN and MPLSoUDP as part of its curriculum on cloud architectures. Understanding these protocols is essential for designing scalable and resilient virtual networks.
For example, Juniper Contrail uses VXLAN to extend virtual networks across distributed environments, ensuring seamless communication and high availability.
Reference:
VXLAN RFC 7348
MPLSoUDP Documentation
Juniper JNCIA-Cloud Study Guide: Overlay Networking

NEW QUESTION # 56
What is the role of overlay tunnels in an overlay software-defined networking (SDN) solution?

A. The overlay tunnels abstract the underlay network topology.
B. The overlay tunnels provide optimization of traffic for performance and resilience.
C. The overlay tunnels provide microsegmentation for workloads.
D. The overlay tunnels provide load balancing and scale out for applications.

Answer: A

Explanation:
In an overlay software-defined networking (SDN) solution, overlay tunnels play a critical role in abstracting the underlying physical network (underlay) from the virtualized network (overlay). Let's analyze each option:
A . The overlay tunnels provide optimization of traffic for performance and resilience.
Incorrect: While overlay tunnels can contribute to traffic optimization indirectly, their primary role is not performance or resilience. These aspects are typically handled by SDN controllers or other network optimization tools.
B . The overlay tunnels provide load balancing and scale out for applications.
Incorrect: Load balancing and scaling are functions of application-level services or SDN controllers, not the overlay tunnels themselves. Overlay tunnels focus on encapsulating traffic rather than managing application workloads.
C . The overlay tunnels provide microsegmentation for workloads.
Incorrect: Microsegmentation is achieved through policies and security rules applied at the overlay network level, not directly by the tunnels themselves. Overlay tunnels enable the transport of segmented traffic but do not enforce segmentation.
D . The overlay tunnels abstract the underlay network topology.
Correct: Overlay tunnels encapsulate traffic between endpoints (e.g., VMs, containers) and hide the complexity of the underlay network. This abstraction allows the overlay network to operate independently of the physical network topology, enabling flexibility and scalability.
Why This Answer?
Abstraction of Underlay: Overlay tunnels use encapsulation protocols like VXLAN, GRE, or MPLS to create virtualized networks that are decoupled from the physical infrastructure. This abstraction simplifies network management and enables advanced features like multi-tenancy and mobility.
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers overlay and underlay networks as part of its SDN curriculum. Understanding the role of overlay tunnels is essential for designing and managing virtualized networks in cloud environments.
For example, Juniper Contrail uses overlay tunnels to provide connectivity between virtual machines (VMs) and containers, abstracting the physical network and enabling seamless communication across distributed environments.
Reference:
Juniper JNCIA-Cloud Study Guide: Overlay Networks
Network Virtualization Documentation

NEW QUESTION # 57
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