[Oct-2024] JN0-214 Dumps Full Questions - JNCIA-Cloud Exam Study Guide
Exam Questions and Answers for JN0-214 Study Guide
NEW QUESTION # 21
What are the two primary ways used to manage objects by kubectl? (Choose two.)
- A. imperative commands
- B. declarative object configuration
- C. imperative object commands
- D. declarative commands
Answer: A,B
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 # 22
Which cloud service model provides access to networking, storage, servers, and virtualization in a cloud environment?
- A. Platform as a Service (Paa)
- B. Software as a Service (Saa)
- C. Infrastructure as a Service (laaS)
- D. Database as a Service (Daa)
Answer: C
Explanation:
Infrastructure as a Service (IaaS) is a cloud service model that provides access to networking, storage, servers, and virtualization in a cloud environment.
NEW QUESTION # 23
In OpenShift, which node type is used to host your application containers?
- A. full node
- B. worker node
- C. control plane node
- D. miner node
Answer: B
Explanation:
In OpenShift, the worker node is used to host your application containers. Worker nodes are where all your coding adventures happen, and they can be virtual or physical.
NEW QUESTION # 24
Which container runtime engine is used by default in OpenShift?
- A. Docker
- B. runC
- C. cri-o
- D. containerd
Answer: C
Explanation:
The default container runtime engine used by OpenShift is cri-o. CRI-O is an open source, community-driven container engine. Its primary goal is to replace the Docker service as the container engine for Kubernetes implementations, such as OpenShift Container Platform.
NEW QUESTION # 25
Click 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 currently running.
- C. The c using a custom flavor.
- D. The myvSRX instance is part of a default network.
Answer: B,C
Explanation:
Based on the image description provided, the instance named 'myvSRX' appears to be using a custom flavor (not default) and is currently in an 'ACTIVE' state, which means it is running.
NEW QUESTION # 26
Which two statements are true about virtual networks? (Choose two.)
- A. Virtual networks are available only as part of a cloud orchestration system.
- B. Virtual networks are able to span multiple devices.
- C. Virtual networks are available on common Linux distributions.
- D. Virtual networks are limited to a single device.
Answer: B,C
Explanation:
Virtual networks are logical networks that are decoupled from the underlying network hardware.
This decoupling allows network administrators to manage their networks independently of the physical network topology. As such, virtual networks can span multiple devices, allowing for a high degree of flexibility and scalability. Furthermore, virtual networks are available on common Linux distributions, allowing for easy deployment and management.
NEW QUESTION # 27
Which two statements are true about VRF instances? (Choose two.)
- A. VRFs do not enable overlapping IP addresses within the same cloud network.
- B. Each VRF has its own routing table.
- C. VRFs share a single routing table.
- D. VRFs enable overlapping IP addresses within the same cloud network.
Answer: B,D
Explanation:
Virtual Routing and Forwarding (VRF) is a technology that allows multiple instances of a routing table to coexist within the same router at the same time. Because the routing instances are independent, overlapping IP addresses can be used without conflict. Each VRF has its own routing table.
NEW QUESTION # 28
Which OpenStack service provides API client authentication?
- A. iHeat
- B. Nova
- C. Neutron
- D. Keystone
Answer: D
Explanation:
Keystone is an OpenStack service that provides API client authentication. It provides API client authentication, service discovery, and distributed multi-tenant authorization by implementing OpenStack's Identity API.
NEW QUESTION # 29
Which two statements are correct about Kubernetes resources? (Choose two.)
- A. A deploymentConfig is a Kubernetes resource.
- B. A daemonSet ensures that a replica of a pod is running on all nodes.
- C. NodePort service exposes the service externally by using a cloud provider load balancer.
- D. A ClusterIP type service can only be accessed within a Kubernetes cluster.
Answer: B,D
Explanation:
A daemonSet in Kubernetes ensures that a replica of a pod is running on all nodes. A ClusterIP type service can only be accessed within a Kubernetes cluster.
NEW QUESTION # 30
Which two Linux commands would you use to show the amount of RAM in your system? (Choose two.)
- A. df -h
- B. free -h
- C. cat /proc/meminto
- D. cat /proc/cpuinfo
Answer: B,C
Explanation:
he free -h command in Linux displays the total amount of free and used physical and swap memory in the system, as well as the buffers used by the kernel. The cat /proc/meminfo command displays real-time information about the system's memory usage as well as the buffers and shared memory used by the kernel.
NEW QUESTION # 31
Which two statements are correct about OpenStack networks? (Choose two.)
- A. It is not possible to specify a subnet address in an OpenStack network.
- B. It is possible to enable DHCP for a subnet in an OpenStack network.
- C. It is possible to share networks with other projects in an OpenStack network.
- D. It is not possible to add host routes in the DHCP settings in an OpenStack network.
Answer: B,C
Explanation:
In OpenStack networks, it is possible to share networks with other projects. Also, it is possible to enable DHCP for a subnet in an OpenStack network.
NEW QUESTION # 32
Which term identifies to which network a virtual machine interface is connected?
- A. virtual tunnel endpoint (VTEP)
- B. Virtual Extensible LAN (VXLAN)
- C. virtual network ID (VNID)
- D. machine access control (MAC)
Answer: C
Explanation:
The term that identifies to which network a virtual machine interface is connected is the virtual network ID (VNID). The VNID is a unique identifier assigned to each virtual network. It is used to differentiate between different virtual networks and to ensure that each virtual machine interface is connected to the correct network.
NEW QUESTION # 33
Which virtualization technique is used by containers?
- A. paravirtualization
- B. hardware-assisted virtualization
- C. OS-level virtualization
- D. full visualization
Answer: C
Explanation:
This technique allows multiple isolated user-space instances to be created by the host operating system. Unlike full virtualization, where the entire system's hardware is emulated, OS-level virtualization shares the host's operating system kernel but isolates the application processes.
NEW QUESTION # 34
You just uploaded a qcow2 image of a vSRX virtual machine in OpenStack.
In this scenario, which service stores the virtual machine (VM) image?
- A. Ironic
- B. Nova
- C. Glance
- D. Neutron
Answer: C
Explanation:
The service that stores the virtual machine (VM) image in OpenStack is Glance. Glance is the image service in OpenStack that allows you to discover, register, retrieve, and store virtual machine images.
NEW QUESTION # 35
Which component of an SDN architecture is responsible for configuring and maintaining devices and their state?
- A. the operational plane
- B. the forwarding plane
- C. the management plane
- D. the data plane
Answer: C
Explanation:
The management plane in an SDN architecture is responsible for configuring and maintaining devices and their state. It provides the functions that manage the network, such as configuration, monitoring, and management of network devices. It is the layer of the network that carries administrative traffic, which is used for the network management.
NEW QUESTION # 36
Your organization has legacy virtual machine workloads that need to be managed within a Kubernetes deployment.
Which Kubernetes add-on would be used to satisfy this requirement?
- A. KubeVirt
- B. ADOT
- C. Canal
- D. Romana
Answer: A
Explanation:
KubeVirt is a Kubernetes add-on that allows you to run and manage legacy virtual machine workloads alongside container workloads within a Kubernetes deployment. According to the KubeVirt website, KubeVirt is "a virtual machine management add-on for Kubernetes" that "aims to provide a common ground for virtualization solutions on top of Kubernetes". Other Kubernetes add- ons that are mentioned in the question are Canal, which is a network policy provider that combines Flannel and Calico; ADOT, which is a distribution of the OpenTelemetry Collector that supports tracing and metrics collection for AWS services; and Romana, which is a network and security automation solution that supports multiple network topologies and policies.
NEW QUESTION # 37
You are provisioning workloads on worker nodes in a Kubernetes cluster.
Which CN2 component is responsible for generating associated routes?
- A. Configuration Resource (CR) controllers
- B. Contrail kube-manager
- C. vRouter agent microservice
- D. vRouter forwarding plane
Answer: C
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 # 38
What is the most privileged protection ring?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
In computer science, hierarchical protection domains, often called protection rings, are mechanisms to protect data and functionality from faults and malicious behavior. Rings are arranged in a hierarchy from most privileged (most trusted, usually numbered zero) to least privileged (least trusted, usually with the highest ring number). On most operating systems, Ring
0 is the level with the most privileges and interacts most directly with the physical hardware.
NEW QUESTION # 39
You must provide tunneling in the overlay that supports multipath capabilities.
Which two protocols provide this function? (Choose two.)
- A. MPLSoGRE
- B. VXLAN
- C. VPN
- D. MPLSoUDP
Answer: B,D
Explanation:
MPLSoUDP (Multiprotocol Label Switching over User Datagram Protocol) and VXLAN (Virtual Extensible LAN) are two protocols that provide tunneling in the overlay and support multipath capabilities. MPLSoUDP is an encapsulation protocol that allows MPLS packets to be encapsulated in UDP packets. VXLAN is a network virtualization technology that attempts to address the scalability problems associated with large cloud computing deployments.
NEW QUESTION # 40
What are two available installation methods for an OpenShift cluster? (Choose two.)
- A. installer-provisioned infrastructure
- B. kubesprav
- C. kubeadm
- D. user-provisioned infrastructure
Answer: A,D
Explanation:
There are two available installation methods for an OpenShift cluster. One is the installer- provisioned infrastructure method, and the other is the user-provisioned infrastructure method.
NEW QUESTION # 41
What are two Kubernetes objects? (Choose two.)
- A. namespace
- B. pod
- C. cluster
- D. service
Answer: B,D
Explanation:
In Kubernetes, a Pod is the smallest and simplest unit in the Kubernetes object model that you create or deploy. A Pod represents processes running on your cluster. A Service in Kubernetes is an abstraction which defines a logical set of Pods and a policy by which to access them.
NEW QUESTION # 42
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