Juniper JN0-214 Exam Material - JN0-214 Exam Certification

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Juniper JN0-214 Exam Syllabus Topics:

Topic	Details
Topic 1	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 2	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.
Topic 3	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 4	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.

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Juniper Cloud, Associate (JNCIA-Cloud) Sample Questions (Q16-Q21):

NEW QUESTION # 16
Which two statements are correct about Network Functions Virtualization (NFV)? (Choose two.)

A. The NFV framework is defined by the W3C.
B. The NFV framework explains how VNFs fits into the whole solution.
C. The NFV infrastructure (NFVI) is a component of NFV.
D. The NFV infrastructure (NFVI) is not a component of NFV.

Answer: B,C

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 # 17
Which SDN model provisions tunnels between the virtual endpoints within and across data centers?

A. SDN by APIs
B. switch-based SDN
C. open SDN
D. SDN overlay

Answer: D

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 # 18
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 forwarding plane
C the management plane
C. the operational plane

Answer: A

Explanation:
Software-Defined Networking (SDN) separates the control plane from the data (forwarding) plane, enabling centralized control and programmability of network devices. Let's analyze each option:
A . the operational plane
Incorrect: The operational plane is not a standard term in SDN architecture. It may refer to monitoring or management tasks but does not define packet forwarding behavior.
B . the forwarding plane
Incorrect: The forwarding plane (also known as the data plane) is responsible for forwarding packets based on rules provided by the control plane. It does not define where packets are forwarded; it simply executes the instructions.
C . the management plane
Incorrect: The management plane handles device configuration, monitoring, and administrative tasks. It does not determine packet forwarding paths.
D . the control plane
Correct: The control plane is responsible for making decisions about where data packets are forwarded. In SDN, the control plane is centralized in the SDN controller, which calculates forwarding paths and communicates them to network devices via protocols like OpenFlow.
Why the Control Plane?
Centralized Decision-Making: The control plane determines the optimal paths for packet forwarding and updates the forwarding plane accordingly.
Programmability: SDN controllers allow administrators to programmatically define forwarding rules, enabling dynamic and flexible network configurations.
JNCIA Cloud Reference:
The JNCIA-Cloud certification emphasizes understanding SDN architecture and its components. The separation of the control plane and forwarding plane is a foundational concept in SDN, enabling scalable and programmable networks.
For example, Juniper Contrail serves as an SDN controller, centralizing control over network devices and enabling advanced features like network automation and segmentation.
Reference:
Open Networking Foundation (ONF) SDN Architecture
Juniper JNCIA-Cloud Study Guide: Software-Defined Networking

NEW QUESTION # 19
Click the Exhibit button.

Referring to the exhibit, which statement is correct?

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

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 # 20
Which method is used to extend virtual networks between physical locations?

A. load-balancing
B. clustering
C. encryption
D. encapsulations

Answer: D

Explanation:
To extend virtual networks between physical locations, a mechanism is needed to transport network traffic across different sites while maintaining isolation and connectivity. Let's analyze each option:
A . encapsulations
Correct: Encapsulation is the process of wrapping network packets in additional headers to create tunnels. Protocols like VXLAN, GRE, and MPLS are commonly used to extend virtual networks between physical locations by encapsulating traffic and transporting it over the underlay network.
B . encryption
Incorrect: Encryption secures data during transmission but does not inherently extend virtual networks. While encryption can be used alongside encapsulation for secure communication, it is not the primary method for extending networks.
C . clustering
Incorrect: Clustering refers to grouping multiple servers or devices to work together as a single system. It is unrelated to extending virtual networks between physical locations.
D . load-balancing
Incorrect: Load balancing distributes traffic across multiple servers or paths to optimize performance. While important for scalability, it does not extend virtual networks.
Why Encapsulation?
Tunneling Mechanism: Encapsulation protocols like VXLAN and GRE create overlay networks that span multiple physical locations, enabling seamless communication between virtual networks.
Isolation and Scalability: Encapsulation ensures that virtual networks remain isolated and scalable, even when extended across geographically dispersed sites.
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers overlay networking and encapsulation as part of its curriculum on cloud architectures. Understanding how encapsulation works is essential for designing and managing distributed virtual networks.
For example, Juniper Contrail uses encapsulation protocols like VXLAN to extend virtual networks across data centers, ensuring consistent connectivity and isolation.
Reference:
VXLAN RFC 7348
GRE Tunneling Documentation
Juniper JNCIA-Cloud Study Guide: Overlay Networking

NEW QUESTION # 21
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Juniper JN0-214 Exam Material - JN0-214 Exam Certification

Juniper JN0-214 Exam Syllabus Topics:

JN0-214 Real Questions & JN0-214 Exam Cram & JN0-214 Latest Dumps

Juniper Cloud, Associate (JNCIA-Cloud) Sample Questions (Q16-Q21):

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