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Free PDF Quiz Juniper - Efficient JN0-214 - Reliable Cloud, Associate (JNCIA-Cloud) Exam Bootcamp

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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

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 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 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.

Topic 6

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 (Q37-Q42):

NEW QUESTION # 37
What are two Kubernetes worker node components? (Choose two.)

A. kubelet
B. kube-scheduler
C. kube-apiserver
D. kube-proxy

Answer: A,D

Explanation:
Kubernetes worker nodes are responsible for running containerized applications and managing the workloads assigned to them. Each worker node contains several key components that enable it to function within a Kubernetes cluster. Let's analyze each option:
A . kube-apiserver
Incorrect: The kube-apiserver is a control plane component, not a worker node component. It serves as the front-end for the Kubernetes API, handling communication between the control plane and worker nodes.
B . kubelet
Correct: The kubelet is a critical worker node component. It ensures that containers are running in the desired state by interacting with the container runtime (e.g., containerd). It communicates with the control plane to receive instructions and report the status of pods.
C . kube-scheduler
Incorrect: The kube-scheduler is a control plane component responsible for assigning pods to worker nodes based on resource availability and other constraints. It does not run on worker nodes.
D . kube-proxy
Correct: The kube-proxy is another essential worker node component. It manages network communication for services and pods by implementing load balancing and routing rules. It ensures that traffic is correctly forwarded to the appropriate pods.
Why These Components?
kubelet: Ensures that containers are running as expected and maintains the desired state of pods.
kube-proxy: Handles networking and enables communication between services and pods within the cluster.
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers Kubernetes architecture, including the roles of worker node components. Understanding the functions of kubelet and kube-proxy is crucial for managing Kubernetes clusters and troubleshooting issues.
For example, Juniper Contrail integrates with Kubernetes to provide advanced networking and security features. Proficiency with worker node components ensures efficient operation of containerized workloads.
Reference:
Kubernetes Documentation: Worker Node Components
Juniper JNCIA-Cloud Study Guide: Kubernetes Architecture

NEW QUESTION # 38
Which virtualization method requires less duplication of hardware resources?

A. OS-level virtualization
B. paravirtualization
C. full virtualization
D. hardware-assisted virtualization

Answer: A

Explanation:
OS-level virtualization requires less duplication of hardware resources. This method allows multiple instances of an operating system or multiple different operating systems to run on a single physical server, sharing the same hardware resources. This results in more efficient use of hardware resources compared to other virtualization methods such as full virtualization or paravirtualization.

NEW QUESTION # 39
Which two features are provided by CN2? (Choose two.)

A. application firewall
B. isolated namespaces
C. user-defined virtual networks
D. role-based access control

Answer: B,C

Explanation:
According to the CN2 datasheet, CN2 supports "multiple isolated namespaces for each tenant, allowing for overlapping IP addresses among tenants" and "user-defined virtual networks that can span across clusters, regions, and clouds". Other features of CN2 include cloud-native networking, NetOps-driven automation, edge and remote compute, enhanced observability, and ultra-fast, high performance.

NEW QUESTION # 40
What are two characteristics of the OpenShift Assisted Installer? (Choose two.)

A. It provides full feature support and customizations.
B. It uses one of the control plane nodes as a bootstrap node.
C. It offers REST APIs for the configuration and installation
D. It does not support bare-metal deployments.

Answer: B,C

Explanation:
The OpenShift Assisted Installer uses one of the control plane nodes as a bootstrap node. It also offers REST APIs for the configuration and installation.

NEW QUESTION # 41
Which component is directly responsible for running containers in a Kubernetes node?

A. container runtime
B. kubelet
C. kube-proxy
D. kube controller

Answer: A

Explanation:
This question seems to be asking about a Kubernetes component that is responsible for running containers. Let's analyze each option:
A . kubelet
Incorrect: The kubelet is responsible for managing the state of pods and containers on a worker node. It ensures that containers are running as expected but does not directly execute or run the containers.
B . kube-proxy
Incorrect: The kube-proxy manages network communication for services and pods by implementing load balancing and routing rules. It does not handle the execution of containers.
C . container runtime
Correct: The container runtime (e.g., containerd, cri-o) is the component that actually runs and manages containers on a Kubernetes node. It interacts with the operating system to start, stop, and manage containerized applications.
D . kube controller
Incorrect: The kube controller is part of the control plane and ensures that the desired state of the cluster (e.g., number of replicas) is maintained. It does not directly run containers.
Why Container Runtime?
Execution of Containers: The container runtime is responsible for pulling container images, starting containers, and managing their lifecycle.
Integration with Kubernetes: Kubernetes communicates with the container runtime through the Container Runtime Interface (CRI).
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers Kubernetes architecture, including the role of the container runtime. Understanding how containers are executed is essential for managing Kubernetes clusters.
For example, Juniper Contrail integrates with Kubernetes to provide networking and security for containerized workloads, relying on the container runtime to execute applications.
Reference:
Kubernetes Documentation: Container Runtimes
Juniper JNCIA-Cloud Study Guide: Kubernetes Architecture

NEW QUESTION # 42
......

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