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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	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 3	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.
Topic 4	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.
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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Juniper Cloud, Associate (JNCIA-Cloud) Sample Questions (Q29-Q34):

NEW QUESTION # 29
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. Docker images need to be recompiled to make any changes.
B. The docker exec command needs to be run first to save and exit the running container.
C. The docker run command starts a new copy of the container, not the existing version.
D. The docker load command must be used to persist the change.

Answer: C

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 # 30
Which CN2 component provides the network control plane capability?

A. contrail-control
B. contrail-k8s-controller
C. contrail-k8s-kubemanaqer
D. contrail-vrouter-nodes

Answer: A

Explanation:
The network control plane in CN2 represents CN2's full-featured SDN capability. It communicates with other controllers and uses XMPP to communicate with the distributed data plane components on the worker nodes.

NEW QUESTION # 31
Which encapsulation protocol uses tunneling to provide a Layer 2 overlay over an underlying Layer 3 network?

A. GRE
B. IPsec
C. VLAN
D. VXLAN

Answer: D

Explanation:
Encapsulation protocols are used to create overlay networks that provide connectivity over an underlying network. Let's analyze each option:
A . VLAN
Incorrect: VLANs operate at Layer 2 and are limited to a single physical network. They do not provide tunneling or overlay capabilities over a Layer 3 network.
B . IPsec
Incorrect: IPsec is a security protocol used to encrypt and authenticate IP packets. It does not provide Layer 2 overlay capabilities.
C . VXLAN
Correct: VXLAN (Virtual Extensible LAN) is an encapsulation protocol that creates a Layer 2 overlay network over an underlying Layer 3 network. It encapsulates Layer 2 Ethernet frames within UDP packets, enabling scalable and flexible network architectures.
D . GRE
Incorrect: GRE (Generic Routing Encapsulation) is a tunneling protocol that encapsulates packets but does not inherently provide Layer 2 overlay capabilities. It is typically used for point-to-point tunnels.
Why VXLAN?
Layer 2 Overlay: VXLAN extends Layer 2 networks across Layer 3 boundaries, enabling seamless communication between distributed environments.
Scalability: VXLAN supports up to 16 million virtual networks, making it ideal for large-scale cloud deployments.
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers overlay networking protocols like VXLAN as part of its curriculum on cloud architectures. Understanding VXLAN is essential for designing scalable and resilient virtual networks.
For example, Juniper Contrail uses VXLAN to extend virtual networks across data centers, ensuring consistent connectivity and isolation.
Reference:
VXLAN RFC 7348
Juniper JNCIA-Cloud Study Guide: Overlay Networking

NEW QUESTION # 32
Which statement about software-defined networking is true?

A. It manages networks by separating the data forwarding plane from the control plane.
B. It must manage networks through the use of containers and repositories.
C. It manages networks by merging the data forwarding plane with the control plane.
D. It applies security policies individually to each separate node.

Answer: A

Explanation:
Software-Defined Networking (SDN) is a revolutionary approach to network management that separates the control plane from the data (forwarding) plane. Let's analyze each option:
A . It must manage networks through the use of containers and repositories.
Incorrect: While containers and repositories are important in cloud-native environments, they are not a requirement for SDN. SDN focuses on programmability and centralized control, not containerization.
B . It manages networks by separating the data forwarding plane from the control plane.
Correct: SDN separates the control plane (decision-making) from the data forwarding plane (packet forwarding). This separation enables centralized control, programmability, and dynamic network management.
C . It applies security policies individually to each separate node.
Incorrect: SDN applies security policies centrally through the SDN controller, not individually to each node. Centralized policy enforcement is one of the key advantages of SDN.
D . It manages networks by merging the data forwarding plane with the control plane.
Incorrect: Merging the forwarding and control planes contradicts the fundamental principle of SDN. The separation of these planes is what enables SDN's flexibility and programmability.
Why This Answer?
Separation of Planes: By decoupling the control plane from the forwarding plane, SDN enables centralized control over network devices. This architecture simplifies network management, improves scalability, and supports automation.
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers SDN as a core concept in cloud networking. Understanding the separation of the control and forwarding planes is essential for designing and managing modern cloud environments.
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 # 33
Which feature of Linux enables kernel-level isolation of global resources?

A. stack protector
B. shared libraries
C. namespaces
D. ring protection

Answer: C

Explanation:
Linux provides several mechanisms for isolating resources and ensuring security. Let's analyze each option:
A . ring protection
Incorrect: Ring protection refers to CPU privilege levels (e.g., Rings 0-3) that control access to system resources. While important for security, it does not provide kernel-level isolation of global resources.
B . stack protector
Incorrect: Stack protector is a compiler feature that helps prevent buffer overflow attacks by adding guard variables to function stacks. It is unrelated to resource isolation.
C . namespaces
Correct: Namespaces are a Linux kernel feature that provides kernel-level isolation of global resources such as process IDs, network interfaces, mount points, and user IDs. Each namespace has its own isolated view of these resources, enabling features like containerization.
D . shared libraries
Incorrect: Shared libraries allow multiple processes to use the same code, reducing memory usage. They do not provide isolation or security.
Why Namespaces?
Resource Isolation: Namespaces isolate processes, networks, and other resources, ensuring that changes in one namespace do not affect others.
Containerization Foundation: Namespaces are a core technology behind containerization platforms like Docker and Kubernetes, enabling lightweight and secure environments.
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers Linux fundamentals, including namespaces, as part of its containerization curriculum. Understanding namespaces is essential for managing containerized workloads in cloud environments.
For example, Juniper Contrail leverages namespaces to isolate network resources in containerized environments, ensuring secure and efficient operation.
Reference:
Linux Kernel Documentation: Namespaces
Juniper JNCIA-Cloud Study Guide: Linux Features

NEW QUESTION # 34
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Juniper JN0-214 Exam Dumps [2025] - Effective Preparation Material

Juniper JN0-214 Exam Syllabus Topics:

Free PDF Juniper - JN0-214 - Cloud, Associate (JNCIA-Cloud) Pass-Sure New Practice Materials

Juniper Cloud, Associate (JNCIA-Cloud) Sample Questions (Q29-Q34):

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