JN0-214 PASS TEST, EXAM JN0-214 CERTIFICATION COST

JN0-214 Pass Test, Exam JN0-214 Certification Cost

JN0-214 Pass Test, Exam JN0-214 Certification Cost

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Juniper JN0-214 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 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.
Topic 3
  • 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 4
  • 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 5
  • 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.

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Juniper Cloud, Associate (JNCIA-Cloud) Sample Questions (Q56-Q61):

NEW QUESTION # 56
Which statement is correct about overlay or underlay networks or fabrics?

  • A. Overlay networks are Layer 3 networks that must use OSPF for routing purposes.
  • B. Underlay fabrics enable multitenancy through virtualization.
  • C. Underlay fabrics decouple network services from the overlay infrastructure.
  • D. Overlay networks are virtual networks.

Answer: D

Explanation:
Overlay networks are indeed virtual networks. They are logical constructs that stitch together disparate, dispersed network infrastructure, often referred to as underlay. Underlay networks refer to the physical network infrastructure, while overlay networks implement network virtualization concepts.


NEW QUESTION # 57
Which OpenStack service provides API client authentication?

  • A. Neutron
  • B. Keystone
  • C. Heal
  • D. Nova

Answer: B

Explanation:
OpenStack is an open-source cloud computing platform that provides various services for managing infrastructure resources. Let's analyze each option:
A . Keystone
Correct: Keystone is the OpenStack service responsible for identity management and API client authentication . It provides authentication, authorization, and service discovery for other OpenStack services.
B . Nova
Incorrect: Nova is the OpenStack compute service that manages virtual machines and bare-metal servers. It does not handle authentication or API client validation.
C . Heat
Incorrect: Heat is the OpenStack orchestration service that automates the deployment and management of infrastructure resources using templates. It does not provide authentication services.
D . Neutron
Incorrect: Neutron is the OpenStack networking service that manages virtual networks, routers, and IP addresses. It is unrelated to API client authentication.
Why Keystone?
Authentication and Authorization: Keystone ensures that only authorized users and services can access OpenStack resources by validating credentials and issuing tokens.
Service Discovery: Keystone also provides a catalog of available OpenStack services and their endpoints, enabling seamless integration between components.
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers OpenStack services, including Keystone, as part of its cloud infrastructure curriculum. Understanding Keystone's role in authentication is essential for managing secure OpenStack deployments.
For example, Juniper Contrail integrates with OpenStack Keystone to authenticate and authorize network resources, ensuring secure and efficient operation.
Reference:
OpenStack Keystone Documentation
Juniper JNCIA-Cloud Study Guide: OpenStack Services


NEW QUESTION # 58
Which two statements correctly describe the Kubernetes networking model?

  • A. Each pod has its own IP address in a flat, shared networking namespace.
  • B. Pods are allowed to communicate if they are only in the default namespaces.
  • C. Pods are not allowed to communicate if they are in different namespaces.
  • D. Full communication between pods is allowed across nodes without requiring NAT.

Answer: A,D

Explanation:
Kubernetes networking is designed to provide seamless communication between pods, regardless of their location in the cluster. Let's analyze each statement:
A . Pods are allowed to communicate if they are only in the default namespaces.
Incorrect: Pods can communicate with each other regardless of the namespace they belong to. Namespaces are used for logical grouping and isolation but do not restrict inter-pod communication.
B . Pods are not allowed to communicate if they are in different namespaces.
Incorrect: Pods in different namespaces can communicate with each other as long as there are no network policies restricting such communication. Namespaces do not inherently block communication.
C . Full communication between pods is allowed across nodes without requiring NAT.
Correct: Kubernetes networking is designed so that pods can communicate directly with each other across nodes without Network Address Translation (NAT). Each pod has a unique IP address, and the underlying network ensures direct communication.
D . Each pod has its own IP address in a flat, shared networking namespace.
Correct: In Kubernetes, each pod is assigned a unique IP address in a flat network space. This allows pods to communicate with each other as if they were on the same network, regardless of the node they are running on.
Why These Statements?
Flat Networking Model: Kubernetes uses a flat networking model where each pod gets its own IP address, simplifying communication and eliminating the need for NAT.
Cross-Node Communication: The design ensures that pods can communicate seamlessly across nodes, enabling scalable and distributed applications.
JNCIA Cloud Reference:
The JNCIA-Cloud certification emphasizes Kubernetes networking concepts, including pod-to-pod communication and the flat networking model. Understanding these principles is essential for designing and managing Kubernetes clusters.
For example, Juniper Contrail provides advanced networking features for Kubernetes, ensuring efficient and secure pod communication across nodes.
Reference:
Kubernetes Documentation: Networking Model
Juniper JNCIA-Cloud Study Guide: Kubernetes Networking


NEW QUESTION # 59
Which OpenStack node runs the network agents?

  • A. compute
  • B. controller
  • C. object storage
  • D. block storage

Answer: B

Explanation:
In OpenStack, network agents are responsible for managing networking tasks such as DHCP, routing, and firewall rules. These agents run on specific nodes within the OpenStack environment. Let's analyze each option:
A . block storage
Incorrect: Block storage nodes host the Cinder service, which provides persistent storage volumes for virtual machines. They do not run network agents.
B . controller
Incorrect: Controller nodes host core services like Keystone (identity), Horizon (dashboard), and Glance (image service). While some networking services (e.g., Neutron server) may reside on the controller node, the actual network agents typically do not run here.
C . object storage
Incorrect: Object storage nodes host the Swift service, which provides scalable object storage. They are unrelated to running network agents.
D . compute
Correct: Compute nodes run the Nova compute service, which manages virtual machine instances. Additionally, compute nodes host network agents (e.g., L3 agent, DHCP agent, and metadata agent) to handle networking tasks for VMs running on the node.
Why Compute Nodes?
Proximity to VMs: Network agents run on compute nodes to ensure efficient communication with VMs hosted on the same node.
Decentralized Architecture: By distributing network agents across compute nodes, OpenStack achieves scalability and fault tolerance.
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers OpenStack architecture, including the roles of compute nodes and network agents. Understanding where network agents run is essential for managing OpenStack networking effectively.
For example, Juniper Contrail integrates with OpenStack Neutron to provide advanced networking features, leveraging network agents on compute nodes for traffic management.
Reference:
OpenStack Neutron Documentation: Network Agents
Juniper JNCIA-Cloud Study Guide: OpenStack Networking


NEW QUESTION # 60
What are the two primary ways used to manage objects by kubectl? (Choose two.)

  • A. imperative object commands
  • B. imperative commands
  • C. declarative object configuration
  • D. declarative commands

Answer: B,C

Explanation:
The two primary ways used to manage objects by kubectl are imperative commands and declarative object configuration. Imperative commands operate directly on live objects in a cluster. The user provides operations to the kubectl command as arguments or flags. Declarative object configuration specifies the operation (create, replace, etc.), optional flags and at least one file name. The file specified must contain a full definition of the object in YAML or JSON format.


NEW QUESTION # 61
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