5V0-23.20 PDF Exam Material 2023 Realistic 5V0-23.20 Dumps Questions
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VMware vSphere with Tanzu is a popular platform for managing and deploying containers and Kubernetes clusters. It allows organizations to run containerized workloads directly on their vSphere infrastructure, providing a consistent management experience across both virtual machines and containers. By earning the VMware 5V0-23.20 certification, IT professionals can demonstrate their ability to implement, manage, and troubleshoot this platform, making them valuable assets to any organization that uses vSphere with Tanzu.
VMware vSphere with Tanzu Specialist certification is intended for IT professionals who are responsible for deploying and managing vSphere with Tanzu solutions in their organizations. VMware vSphere with Tanzu Specialist certification validates the skills and knowledge required to deploy and manage vSphere with Tanzu solutions, which enables IT professionals to deliver modern applications on a VMware platform. VMware vSphere with Tanzu Specialist certification exam is ideal for IT professionals who want to become experts in deploying and managing vSphere with Tanzu solutions and demonstrate their expertise to their employers and peers.
NEW QUESTION # 31
To which set of networks are the Supervisor Cluster nodes attached when deploying with an NSX-T network topology?
- A. Frontend and Workload
- B. Management and NSX Overlay
- C. Frontend and Management
- D. Workload and NSX Overlay
Answer: A
NEW QUESTION # 32
Which external load balancer is supported in vSphere 7 U1 using the vSphere networking stack?
- A. Seesaw
- B. Loadmaster
- C. HAProxy
- D. Nginx
Answer: C
Explanation:
When using vSphere with Tanzu with vDS networking, HAProxy provides load balancing for developers accessing the Tanzu Kubernetes control plane, and for Kubernetes Services of Type Load Balancer. Review the possible topologies that you can implement for the HAProxy load balancer.
https://docs.vmware.com/en/VMware-vSphere/7.0/vmware-vsphere-with-tanzu/GUID-1F885AAE-92FF-41E6-BF04-0F0FD4173BD9.html The HAProxy appliance is an open-source solution developed by HAProxy Technologies and chosen by VMware as the first supported open-source load balancer for use with vSphere with Tanzu. With the HAProxy, external network traffic is routed to Kubernetes pods running in the vSphere with Tanzu environment.
NEW QUESTION # 33
Which three characteristics are true of Control Plane VMs? (Choose three.)
- A. They each run the Spherelet.
- B. They can be resized by administrators directly through vCenter Inventory View.
- C. They do not run any Kubernetes Pods.
- D. They are deployed via a vCenter Service.
- E. They each expose the Kubernetes API.
- F. They are connected to a Management portgroup.
Answer: A,B,F
NEW QUESTION # 34
Why would an organization set up private image registries?
- A. Public image registries lack enterprise support.
- B. Open source registry server projects enable organizations to modify them as necessary.
- C. Role-based access control can be assigned by integrating the image registry with user identity management.
- D. DevOps engineers are able to store virtual machine images in a central location.
Answer: C
Explanation:
Explanation
Explanation
VMware created Harbor in 2014. Harbor was shared with the community through an open-source license in
2016 and donated to the Cloud Native Computing Foundation (CNCF) in 2018.
Harbor is integrated into VMware products: vSphere Integrated Containers, Tanzu Kubernetes Grid Integrated Edition, and vSphere with Tanzu. The embedded Harbor for vSphere with Tanzu includes the following features: * Identity integration and role-based access control
* Graphical user interface
* Auditing of operations
* Management with labels
NEW QUESTION # 35
Which kubectl command is used to deploy the application when using a Kubernetes deployment specification file, my-app.yaml?
- A. kubectl run my-app.yaml
- B. kubectl create my-app.yaml
- C. kubectl apply spec my-app.yaml
- D. kubectl apply -f my-app.yaml
Answer: D
NEW QUESTION # 36
What provides a declarative, Kubernetes-style API for cluster creation, configuration, and management?
- A. Tanzu Kubernetes Grid Service
- B. kubectl
- C. Virtual Machine Service
- D. vSphere REST API
Answer: A
NEW QUESTION # 37
Which kubectl command is used to list al pods in the current active namespace?
- A. kubectl get services
- B. kubectl get nodes
- C. kubectl list pods
- D. kubectl get pods
Answer: D
Explanation:
Explanation
Fetch all Pods in all namespaces using kubectl get pods --all-namespaces Pods Shortcode = po List one or more pods
* kubectl get pod
Delete a pod
* kubectl delete pod <pod_name>
Display the detailed state of a pods
* kubectl describe pod <pod_name>
Create a pod
* kubectl create pod <pod_name>
Execute a command against a container in a pod
* kubectl exec <pod_name> -c <container_name> <command>
Get interactive shell on a a single-container pod
* kubectl exec -it <pod_name> /bin/sh
Display Resource usage (CPU/Memory/Storage) for pods
* kubectl top pod
Add or update the annotations of a pod
* kubectl annotate pod <pod_name> <annotation>
Add or update the label of a pod
* kubectl label pod <pod_name>
NEW QUESTION # 38
Which type of service is created by default when publishing a Kubernetes service?
- A. Cluster IP
- B. Node Port
- C. LoadBalancer
- D. ExternalName
Answer: B
NEW QUESTION # 39
An administrator needs to configure a Supervisor Cluster with the vSphere networking stack (vSphere Distributed Switch) and HAProxy appliance using default configuration. The administrator has already connected all hosts in the cluster to a vSphere Distributed Switch and created distributed portgroups.
Which designation must be mapped to a distributed portgroup?
- A. Supervisor Cluster Network
- B. Primary Workload Network
- C. Load Balancer Network
- D. Frontend Network
Answer: A
NEW QUESTION # 40
The application development team plans to test a few CPU intensive applications. The virtualization team is concerned about these applications impacting other teams.
How should the team manage this problem?
- A. Add a CPU limit to the vSphere Namespace for the development team.
- B. Set a CPU reservation on the Namespace Resource Pool in vCenter.
- C. Set a network policy to limit network bandwidth within the vSphere Namespace.
- D. Add a CPU limit to the Namespace Resource Pool in vCenter.
Answer: D
NEW QUESTION # 41
How is information found about all Kubernetes Persistent Volumes in a vSphere environment?
- A. Navigating to the Cloud Native Storage view in vCenter Server
- B. Using: kubectl get persistentvolumes
- C. Using: esxcli storage cloud native get
- D. Accessing the FCD folder on a Datastore
Answer: A
Explanation:
This is the textbook answer, I know kubectl does give you some information.
NEW QUESTION # 42
Which two capabilities are associated with vSphere Pod? (Choose two.)
- A. Compatibility with vSphere performance charts
- B. Compatibility with vSphere HA and DRS
- C. Compatibility with vSphere vMotion
- D. Compatibility with NSX-V Datacenter
- E. Compatibility with Windows and Linux kernels
Answer: B,D
Explanation:
Explanation
vSphere Pods are only supported on Supervisor Clusters that use NSX-T Data Center as their networking stack.
Resource Management. vSphere DRS handles the placement of vSphere Pods on the Supervisor Cluster.
NEW QUESTION # 43
The creation of which object by an administrator in the vSphere client automatically results in the creation of a new segment within NSX -T?
- A. Pod
- B. Network policy
- C. Namespace
- D. Service
Answer: C
Explanation:
Explanation
NSX Container Plugin (NCP) runs as a pod on the control plane VMs. It listens for requests for network objects to the API server and interfaces with the NSX Manager to create, update, or delete those objects:
* A request to create a namespace results in a new NSX segment.
* A request to deploy a pod results in a segment port request and IP assignment.
* A request to create a service results in a new virtual server.
* A request to create a network policy results in a new distributed firewall rule.
NEW QUESTION # 44
Which functionality does the Cloud Native Storage (CNS) component take advantage of to support the creation of container volumes?
- A. VMware Disk Encryption
- B. Storage Based Policy Management
- C. Virtual Disk
- D. First Class Disk
Answer: D
Explanation:
Explanation
The Cloud Native Storage server resides in vCenter Server:
* Provisions and manages life cycle operations for container volumes
* Creates First Class Disks (FCDs) to support the container volumes
* First Class Disks exist as .vmdk and -flat.vmdk files on a vSphere datastore * Integrates with storage policy based management (SPBM) for the placement of disks A First Class Disk (FCD) is also called an improved virtual disk. It is a named virtual disk that is unassociated with a VM. These disks reside on a VMFS, NFS, or vSAN datastore and support container volumes.
Storage policy based management (SPBM) is a vCenter Server service that supports provisioning of persistent volumes according to specified storage requirements. After provisioning, the service monitors compliance of the volume with the required policy characteristics.
NEW QUESTION # 45
Which three elements should be configured by a vSphere administrator after creating vSphere Namespace?
(Choose three.)
- A. Namespace name
- B. NSX Segment
- C. Permissions
- D. Storage Policy
- E. Capacity and Usage limits
- F. License
Answer: C,D,E
Explanation:
Explanation
Creating a Namespace
A vSphere administrator configures permissions and storage before a namespace can be used:
* Assign edit or view permissions to users. Users must be present in a configured single sign-on (SSO) identity source.
* Must assign a VM storage policy to the namespace.
* Can define resource limits (optional).
* Must add a content library to enable the Tanzu Kubernetes Grid Service.
NEW QUESTION # 46
Which value must be increased or decreased to horizontally scale a Tanzu Kubernetes cluster?
- A. Namespaces
- B. etcd instance
- C. ReplicaSets
- D. Worker node count
Answer: D
NEW QUESTION # 47
What is the correct process to store images in a project on the Registry Service?
- A. Use the docker push command
- B. Use the kubect1 push command
- C. Use the vSphere Client to upload the image the content library
- D. Use the vSphere Client to upload the image to the Registry Service
Answer: A
Explanation:
https://docs.docker.com/docker-hub/repos/
* Registry Service: Developers can store and manage Docker and OCI images using Harbor. Harbor is an open-source container image registry that secures images with role-based access control.
Procedure
Login to Harbor Registry with the vSphere Docker Credential Helper.
docker-credential-vsphere login <container-registry-IP> --user [email protected] Note:While providing --user username is acceptable for login, you should use the UserPrincipalName (UPN) syntax ( --user [email protected]) to login and use docker push commands.
Tag the image that you want to push to the project in Harbor Registry with same name as the namespace, where you want to use it:
docker tag <image-name>[:TAG] <container-registry-IP>/<project-name>/<image-name>[:TAG] For example:
docker tag hello-world:latest 10.179.145.77/tkgs-cluster-ns/hello-world:latest docker images REPOSITORY TAG IMAGE ID CREATED SIZE
10.179.145.77/tkgs-cluster-ns/hello-world latest bf756fb1ae65 10 months ago 13.3kB hello-world latest bf756fb1ae65 10 months ago 13.3kB To push an image to a project in Harbor, run the following command:Syntax:
docker push <container-registry-IP>/<namespace-name>/<image_name>
For example:
docker push 10.179.145.77/tkgs-cluster-ns/hello-world:latest
Expected result.
The push refers to repository [10.179.145.77/tkgs-cluster-ns/hello-world]
9c27e219663c: Pushed
latest: digest: sha256:90659bf80b44ce6be8234e6ff90a1ac34acbeb826903b02cfa0da11c82cbc042 size: 525
NEW QUESTION # 48
A company needs to provide global visibility and consistent policy management across multiple Tanzu Kubernetes Clusters, namespaces, and clouds Which VMvare solution will meet these requirements'?
- A. Tanzu Mission Control
- B. vCenter Server
- C. vSphere with Tanzu Supervisor Cluster
- D. Tanzu Kubernetes Grid Service
Answer: C
NEW QUESTION # 49
Which two considerations needs to be made when deciding on a virtual machine class type during the process of creating a Tanzu Kubernetes cluster? (Choose two )
- A. Whether the resources provided by the virtual machine class type should be reserved on the host
- B. Connectivity between the Tanzu Kubernetes cluster and the Subscribed Content Library
- C. The storage classes which need to be made available to the cluster
- D. The configuration parameters which need to be edited in the cluster
- E. The amount of CPU. memory, and storage the virtual machine should have
Answer: A,E
Explanation:
A virtual machine class is a request for resource reservations for processing power on the virtual machine (VM), including CPU and memory (RAM). For example, the VM class type named "guaranteed-large" reserves 4 CPU and 16 GB RAM. See Default Virtual Machine Classes for a list of default VM classes and their corresponding CPU and RAM reservations.
The VM disk size is set by the OVA template, not the VM class definition. For Tanzu Kubernetes releases, the disk size is 16GB. See About Tanzu Kubernetes release Distributions.
There are two reservation types for VM classes: guaranteed and best effort. The guaranteed class fully reserves its configured resources. This means that for a given cluster the spec.policies.resources.requests matches the spec.hardware settings. The best effort class allows resources to be overcommitted. For production workloads it is recommended that you use the guaranteed VM class type.
NEW QUESTION # 50
Kubernetes object types are going to be limited by an administrator within a vSphere with Tanzu namespace. Which three Kubernetes object types may be limited? (Choose three.)
- A. Number of Pods
- B. Number of Operators
- C. Number of Persistent Volume Claims
- D. Number of DaemonSets
- E. Number of Load Balancer Services
- F. Number of Ingress frontends
Answer: A,C,E
Explanation:
https://docs.vmware.com/en/VMware-vSphere/7.0/vmware-vsphere-with-tanzu/GUID-1238AFD8-232C-4EFC-BD54-796CB9F8C45F.html Resource Name Description configmaps The total number of ConfigMaps that can exist in the namespace.
persistentvolumeclaims The total number of PersistentVolumeClaims that can exist in the namespace.
pods The total number of Pods in a non-terminal state that can exist in the namespace. A pod is in a terminal state if .status.phase in (Failed, Succeeded) is true.
replicationcontrollers The total number of ReplicationControllers that can exist in the namespace.
resourcequotas The total number of ResourceQuotas that can exist in the namespace.
services The total number of Services that can exist in the namespace.
services.loadbalancers The total number of Services of type LoadBalancer that can exist in the namespace.
services.nodeports The total number of Services of type NodePort that can exist in the namespace.
secrets The total number of Secrets that can exist in the namespace.
NEW QUESTION # 51 
Which capability do persistent volumes provide to containerized applications?
- A. Automated disk archival
- B. Support for ephemeral workloads
- C. Retention of application state and data
- D. Support for in-memory databases
Answer: C
Explanation:
Explanation
Certain Kubernetes workloads require persistent storage to store data permanently. To provision persistent storage for Kubernetes workloads, vSphere with Tanzu integrates with Cloud Native Storage (CNS), a vCenter Server component that manages persistent volumes.
Persistent storage is used by vSphere Pods, Tanzu Kubernetes clusters, and VMs. The following example illustrates how persistent storage is used by a vSphere Pod.
vSphere Pods use different types of storage depending on the objects that are stored. The types of storage are ephemeral virtual machine disks (VMDKs), persistent volume VMDKs, and containers image VMDKs:
* Storage policies for container image and ephemeral disks are defined at the cluster level.
* Storage policies for persistent volumes are defined at the namespace level.
* Networking for vSphere Pods uses the topology provided by NSX.
NEW QUESTION # 52
What is the proper way to delete a Persistent Volume Claim?
- A. By unmounting the volume from the VM and deleting it from the vSphere datastore
- B. Through the SPBM policy engine using the vSphere Client
- C. By using the kubectl remove pvc command
- D. By using the kubectl delete persistentvolumeclaim command
Answer: D
Explanation:
Also, kubectl delete pvc, which is much shorter.
DevOps engineers create persistent volume claims to request persistent storage resources. The request provisions a persistent volume object and a matching virtual disk. In the vSphere Client, the persistent volume claim manifests as an FCD virtual disk that can be monitored by vSphere administrators.
The claim is bound to the persistent volume. The workloads can use the claim to mount the persistent volumes and access storage.
When the DevOps engineers delete the claim, the corresponding persistent volume object and the provisioned virtual disk are also deleted.
NEW QUESTION # 53
Which description accurately characterizes virtual machine class types for Tanzu Kubernetes cluster (TKC) nodes?
- A. A best-effort class does not provide high availability for TKC nodes.
- B. A guaranteed class provides high availability for TKC nodes.
- C. A best-effort class reserves CPU and Memory resources for TKC nodes.
- D. A guaranteed class reserves CPU and Memory resources for TKC nodes.
Answer: D
NEW QUESTION # 54
Which statement describes a characteristic of Supervisor Cluster control plane VMs?
- A. Are manually created by a vSphere administrator
- B. Host developer workloads
- C. Run system and infrastructure pods
- D. Manage the lifecycle of ESXi hosts
Answer: C
Explanation:
The Supervisor Cluster provides the management layer on which Tanzu Kubernetes clusters are built. The Tanzu Kubernetes Grid Service is a custom controller manager with a set of controllers that is part of the Supervisor Cluster. The purpose of the Tanzu Kubernetes Grid Service is to provision Tanzu Kubernetes clusters.
While there is a one-to-one relationship between the Supervisor Cluster and the vSphere cluster, there is a one-to-many relationship between the Supervisor Cluster and Tanzu Kubernetes clusters. You can provision multiple Tanzu Kubernetes clusters within a single Supervisor Cluster. The workload management functionality provided by the Supervisor Cluster gives you control over the cluster configuration and lifecycle, while allowing you to maintain concurrency with upstream Kubernetes.
NEW QUESTION # 55
An administrator is tasked with increasing the amount of CPU and memory in an existing Tanzu Kubernetes cluster.
Which change must the administrator complete to ensure the cluster scales successfully when updating the YAML definition?
- A. Increase the number of control plane nodes
- B. Manually update the CPU and memory of the nodes
- C. Update the Virtual Machine Class Type
- D. Increase the number of worker nodes
Answer: C
Explanation:
Explanation
Virtual Machine Class Types for Tanzu Kubernetes Clusters
A virtual machine class defines the resource sizing for Tanzu Kubernetes cluster VMs: * CPU * Memory * Storage Virtual machine class types range from extra small (xsmall) to extra large (xlarge). Class types are categorized as guaranteed or best effort:
* Guaranteed: Reserve all CPU and memory allocations. * Best effort: Allocate the same CPU and memory but do not reserve the resources.
The class type guaranteed-small allocates 2 CPU, 4 GB of memory, and 16 GB of storage and reserves CPU and memory allocations. Custom virtual machine class types cannot be defined.
NEW QUESTION # 56
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