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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
- 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
- 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.
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Juniper JN0-214 Desktop-Based Practice Program
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Juniper Cloud, Associate (JNCIA-Cloud) Sample Questions (Q61-Q66):
NEW QUESTION # 61
Your company has a Web app hosted in Kubernetes with a fluctuating number of pods.
In this scenario, which Kubernetes service type would provide equal access to all nodes using a single URL?
- A. ClusterIP
- B. ExternalName
- C. LoadBalancer
- D. NodePort
Answer: C
Explanation:
The LoadBalancer service type in Kubernetes exposes the service externally using a cloud provider's load balancer. NodePort and ClusterIP services, to which the external load balancer routes, are automatically created.
NEW QUESTION # 62
Click to the Exhibit button.
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The myvSRX instance is using a default image.
- B. The myvSRX instance is created using a custom flavor.
- C. The myvSRX instance is a part of a default network.
- D. The myvSRX instance is currently running.
Answer: B,D
Explanation:
The openstack server list command provides information about virtual machine (VM) instances in the OpenStack environment. Let's analyze the exhibit and each statement:
Key Information from the Exhibit:
The output shows details about the myvSRX instance:
Status: ACTIVE (indicating the instance is running).
Networks: VN-A-10.1.0.3 (indicating the instance is part of a specific network).
Image: vSRX3 (indicating the instance was created using a custom image).
Flavor: vSRX-Flavor (indicating the instance was created using a custom flavor).
Option Analysis:
A . The myvSRX instance is using a default image.
Incorrect: The image name vSRX3 suggests that this is a custom image, not the default image provided by OpenStack.
B . The myvSRX instance is a part of a default network.
Incorrect: The network name VN-A-10.1.0.3 indicates that the instance is part of a specific network, not the default network.
C . The myvSRX instance is created using a custom flavor.
Correct: The flavor name vSRX-Flavor indicates that the instance was created using a custom flavor, which defines the CPU, RAM, and disk space properties.
D . The myvSRX instance is currently running.
Correct: The ACTIVE status confirms that the instance is currently running.
Why These Statements?
Custom Flavor: The vSRX-Flavor name clearly indicates that a custom flavor was used to define the instance's resource allocation.
Running Instance: The ACTIVE status confirms that the instance is operational and available for use.
JNCIA Cloud Reference:
The JNCIA-Cloud certification emphasizes understanding OpenStack commands and outputs, including the openstack server list command. Recognizing how images, flavors, and statuses are represented is essential for managing VM instances effectively.
For example, Juniper Contrail integrates with OpenStack Nova to provide advanced networking features for VMs, ensuring seamless operation based on their configurations.
Reference:
OpenStack CLI Documentation: openstack server list Command
Juniper JNCIA-Cloud Study Guide: OpenStack Compute
NEW QUESTION # 63
Which term identifies to which network a virtual machine interface is connected?
- A. virtual network ID
- B. virtual tunnel endpoint (VTEP)
- C. machine access control (MAC)
- D. Virtual Extensible LAN
Answer: A
Explanation:
In cloud environments, virtual machines (VMs) connect to virtual networks to enable communication. Identifying the network to which a VM interface is connected is essential for proper configuration and isolation. Let's analyze each option:
A . virtual network ID
Correct: The virtual network ID uniquely identifies the virtual network to which a VM interface is connected. This ID is used to logically group VMs and ensure they can communicate within the same network while maintaining isolation from other networks.
B . machine access control (MAC)
Incorrect: The MAC address is a hardware identifier for a network interface card (NIC). While it is unique to each interface, it does not identify the network to which the VM is connected.
C . Virtual Extensible LAN (VXLAN)
Incorrect: VXLAN is a tunneling protocol used to create overlay networks in cloud environments. While VXLAN encapsulates traffic, it does not directly identify the network to which a VM interface is connected.
D . virtual tunnel endpoint (VTEP)
Incorrect: A VTEP is a component of overlay networks (e.g., VXLAN) that encapsulates and decapsulates traffic. It is used to establish tunnels but does not identify the virtual network itself.
Why Virtual Network ID?
Logical Isolation: The virtual network ID ensures that VMs are logically grouped into isolated networks, enabling secure and efficient communication.
Scalability: Virtual networks allow cloud environments to scale by supporting multiple isolated networks within the same infrastructure.
JNCIA Cloud Reference:
The JNCIA-Cloud certification emphasizes understanding virtual networking concepts, including virtual networks and their identifiers. Virtual network IDs are fundamental to cloud architectures, enabling multi-tenancy and network segmentation.
For example, Juniper Contrail uses virtual network IDs to manage connectivity and isolation for VMs in cloud environments. Proper configuration of virtual networks ensures seamless communication and security.
Reference:
Virtual Networking Documentation
Juniper JNCIA-Cloud Study Guide: Virtual Networks
NEW QUESTION # 64
You are provisioning workloads on worker nodes in a Kubernetes cluster.
Which CN2 component is responsible for generating associated routes?
- A. vRouter forwarding plane
- B. vRouter agent microservice
- C. Configuration Resource (CR) controllers
- D. Contrail kube-manager
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 # 65
Which component of a software-defined networking (SDN) controller defines where data packets are forwarded by a network device?
- A. the operational plane
- B. the forwarding plane
C the management plane
- C. the control plane
Answer: C
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 # 66
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