What statement describes the role of VMware Aria Operations for Applications (formerly VMware Tanzu Observability) in VMware Tanzu for Kubernetes Operations?
A. Watches defined infrastructure systems to keep track of health of resources.
B. Automates the remediation of Kubernetes platform resources based on collected data.
C. Tracks metrics, logs, and alerts based on specified thresholds.
D. Collects and analyzes traces, metrics, and logs to provide single source of truth for actionable insights.
Correct Answer: D
VMware Aria Operations for Applications (formerly VMware Tanzu Observability) is a SaaS solution that collects and analyzes traces, metrics, and logs from various sources, including Tanzu Kubernetes Grid clusters, applications, and services. It provides a single source of truth for actionable insights into the performance, availability, and behavior of the entire application stack. It also enables users to create dashboards, alerts, and reports based on the collected data. The other options are incorrect because: Watches defined infrastructure systems to keep track of health of resources is a description of VMware Tanzu Mission Control, which is another SaaS solution that provides centralized management and governance for Tanzu Kubernetes Grid clusters across multiple platforms. Automates the remediation of Kubernetes platform resources based on collected data is a description of VMware Tanzu Service Mesh, which is a service thatcreates an enterprise-class service mesh for consistent control and security for microservices, end users, and data. Tracks metrics, logs, and alerts based on specified thresholds is a partial description of VMware Aria Operations for Applications, but it does not mention the trace analysis and the single source of truth features. References: VMware Tanzu for Kubernetes Operations Getting Started, VMware Aria Operations for Applications Documentation
Question 32:
What is the role of the Tanzu Kubernetes Grid Service?
A. It provides declarative, Kubernetes-style APIs for cluster creation, configuration, and management.
B. It provides a declarative, Kubernetes-style API for management of VMs and associated vSphere resources.
C. It provisions an extension inside the Kubernetes cluster to validate user authentication tokens.
D. It provisions Kubernetes clusters that integrate with the underlying vSphere Namespace resources and Supervisor Services.
Correct Answer: D
The role of the Tanzu Kubernetes Grid Service is to provision Kubernetes clusters that integrate with the underlying vSphere Namespace resources and Supervisor Services. The Tanzu Kubernetes Grid Service is a component of vSphere with Tanzu that provides self-service lifecycle management of Tanzu Kubernetes clusters3. A Tanzu Kubernetes cluster is an opinionated installation of Kubernetes that runs on top of the Supervisor Cluster and inherits its capabilities, such as storage integration, pod networking, load balancing, authentication, and authorization4. The Tanzu Kubernetes Grid Service exposes three layers of controllers to manage the lifecycle of a Tanzu Kubernetes cluster: Cluster API, Virtual Machine Service, and Tanzu Kubernetes Release Service3. References: Tanzu Kubernetes Grid Service Architecture - VMware Docs, What Is a Tanzu Kubernetes Cluster? - VMware Docs
Question 33:
Which is a prerequisite for cert-manager installation?
A. Download the latest Tanzu Kubernetes Grid OVAs for the OS and Kubernetes version
B. Obtain the admin credentials of the target workload cluster
C. Run the canzu login command tosee an interactive list of management clusters
D. After importing the cert-manager OVA, a conversion into virtual machine template must be performed
Correct Answer: B
A prerequisite for cert-manager installation is to obtain the admin credentials of the target workload cluster. Cert-manager is a tool that automates the management and issuance of TLS certificates within Kubernetes clusters3. To install cert-manager, users need to have access to the cluster where they want to deploy it, and have the necessary permissions to create resources such as namespaces, custom resource definitions, deployments, services, and secrets3. Users can obtain the admin credentials of the target workload cluster by using the tanzu cluster kubeconfig get command with the --admin option4. This command generates a kubeconfig file that contains the admin credentials for the cluster, which can be used to authenticate with the cluster and perform cert-manager installation4. References: Installation - cert-manager Documentation, Deploy Workload Clusters - VMware Docs
Question 34:
Which Container Network Interface (CNI) is selected by default in a VMware Tanzu Kubernetes Grid workload cluster?
A. Multus CNI
B. Antrea
C. Flannel
D. Calico
Correct Answer: B
Antrea is the default CNI for new Tanzu Kubernetes Grid workload clusters8. Antrea is an open-source Kubernetes networking solution that implements the Container Network Interface (CNI) specification and uses Open vSwitch (OVS) as the
data plane9. Antrea supports various features such as network policies, service load balancing, NodePortLocal, IPsec encryption, IPv6 dual-stack, and more10.
The other options are incorrect because:
Multus CNI is an open-source container network interface plugin for Kubernetes that enables attaching multiple network interfaces to pods11. It is not the default CNI for Tanzu Kubernetes Grid workload clusters. Flannel is an open-source
simple and easy-to-use overlay network that satisfies the Kubernetes requirements12. It is not the default CNI for Tanzu Kubernetes Grid workload clusters.
Calico is an open-source network and network security solution for containers, virtual machines, and native host-based workloads13. It is not the default CNI for Tanzu Kubernetes Grid workload clusters.
What steps are required to deploy an application to a Kubernetes cluster using VMware Tanzu Mission Control (TMC) catalog?
A. From the TMC Console, in Catalog, select the package to install, select Install Package
B. From the TMC Console, in Catalog, from Available Tanzu Packages, specify the target cluster and the package to install
C. Using the Tanzu CLI, enter the command tanzu package install
D. Using the TMC CLI, enter the command tmc cluster tanzupackage create
Correct Answer: A
VMware Tanzu Mission Control (TMC) is a centralized management platform for consistently operating and securing your Kubernetes infrastructure and modern applications across multiple teams and clouds1. TMC provides a catalog of
curated open- source software packages that you can deploy to your clusters with a few clicks2. To deploy an application to a Kubernetes cluster using TMC catalog, you need to follow these steps3:
From the TMC Console, navigate to Catalog.
Select the package that you want to install from the list of available packages. You can filter the packages by name, provider, or category. Click Install Package to start the installation wizard. On the Installation Settings page, specify the
following information:
Click Install to confirm the installation settings and start the installation process. Wait for the installation to complete. You can monitor the progress and status of the installation on the Package Instances page.
The other options are incorrect because:
From the TMC Console, in Catalog, from Available Tanzu Packages, specify the target cluster and the package to install is false. There is no such option as Available Tanzu Packages in the TMC Console. The correct option is Install
Package.
Using the Tanzu CLI, enter the command tanzu package install is false. The Tanzu CLI is a command-line tool that allows you to interact with Tanzu Kubernetes Grid clusters and packages4. It is not related to TMC or its catalog. Using the
TMC CLI, enter the command tmc cluster tanzupackage create is false. There is no such command as tmc cluster tanzupackage create in the TMC CLI. The TMC CLI is a command-line tool that allows you to interact with TMC and its
resources5. It does not support installing packages from the catalog. References: VMware Tanzu Mission Control Overview, Catalog Overview, Install a Package from Catalog, Tanzu CLI Overview, TMC CLI Overview
Question 36:
Which two Kubernetes Service types are fulfilled natively by Kubernetes without requiring external integrations? (Choose two.)
A. ExternalName
B. Ingress
C. LoadBalancer
D. NodePort
E. ClusterIP
Correct Answer: DE
ClusterIP and NodePort are two Kubernetes Service types that are fulfilled natively by Kubernetes without requiring external integrations. ClusterIP exposes a service on a cluster-internal IP address that can only be accessed from within the cluster. NodePort exposes a service on a static port on each node's IP address, and forwards the traffic to the corresponding ClusterIP service. Both ClusterIP and NodePort services are created by Kubernetes using iptables rules on the nodes, and do not depend on any external load balancers or DNS providers. References: Kubernetes Service Types Overview, Service | Kubernetes
Question 37:
Which steps are required to create a vSphere Namespace?
A. In the vSghere web client, select Supervisor, select Namespaces tab. and click Create Namespace
B. Create the Namespace usinq the Tanzu CLI
C. In the vSphere web client, select Workload Management, select Namespaces tab. and click Create Namespace
D. In the vSghere web client, select Supervisor, select Workload, select Namespaces tab.and click Create Namespace
Correct Answer: C
To create a vSphere Namespace, the correct steps are to use the vSphere web client, select Workload Management, select Namespaces tab, and click Create Namespace. A vSphere Namespace is a logical grouping of Kubernetes resources that can be used to isolate and manage workloads on a Supervisor Cluster1. To create a vSphere Namespace, a user needs to have the vSphere Client and the required privileges to access the Workload Management menu and the Namespaces tab2. From there, the user can select the Supervisor Cluster where to place the namespace, enter a name for the namespace, configure the network settings, set the resource limits, assign permissions, and enable services for the namespace2. References: Create and Configure a vSphere Namespace - VMware Docs, vSphere with Tanzu Concepts - VMware Docs
Question 38:
Which two groups can be created to collect and manage objects in VMware Tanzu Service Mesh? (Choose two.)
A. Node groups
B. Cluster groups
C. Security groups
D. API groups
E. Service groups
Correct Answer: AE
Node groups and service groups are two kinds of resource groups that can be created to collect and manage objects in VMware Tanzu Service Mesh. A resource group is a collection of cluster resources of a specific type that share specific characteristics. Resource groups help enforce policies and monitor the performance of resources in a single global namespace or across your entire organization7. A node group collects nodes that meet certain criteria, such as running in a specific region or having certain labels. A service group collects services that meet certain criteria, such as having a specific name prefix or belonging to a specific namespace. The other options are incorrect because: Cluster groups are not a valid kind of resource group in VMware Tanzu Service Mesh. Clusters are not considered as resources in Tanzu Service Mesh. Security groups are not a valid kind of resource group in VMware Tanzu Service Mesh. Security groups are used to define network access rules for resources in some cloud platforms8, but they are not part of Tanzu Service Mesh. API groups are not a valid kind of resource group in VMware Tanzu Service Mesh. API groups are used to organize Kubernetes resources into categories based on their API versions9, but they are not part of Tanzu Service Mesh. References: Resource Groups, Security Groups, API Groups
Question 39:
What are two services that require Transport Layer Security (TLS) certificates to provide encryption in VMware Tanzu Service Mesh? (Choose two.)
A. Internal Service
B. Proxy Service
C. Certificate Authority (CA) Service D Public Service
D. External Service
Correct Answer: CD
Two services that require Transport Layer Security (TLS) certificates to provide encryption in VMware Tanzu Service Mesh are:
Certificate Authority (CA) Service: A service that issues certificates to services in the service mesh to enable mutual TLS (mTLS) communication between them. The CA service uses a root certificate to sign the certificates for the services,
and verifies the identity of the services using the certificates. The CA service also rotates the certificates periodically to ensure security8. Public Service: A service that exposes an internal service in the service mesh to external clients over
HTTPS. The public service uses a TLS certificate to encrypt the traffic between the external clients and the internal service, and to authenticate itself to the clients. The TLS certificate must match the domain name of the public service9.
The other options are incorrect because:
Internal Service: A service that runs inside the service mesh and communicates with other services using mTLS. The internal service does not require a TLS certificate, but rather uses a certificate issued by the CA service to enable mTLS10.
Proxy Service: A service that acts as an intermediary between an internal service and an external service, such as a database or an API. The proxy service does not require a TLS certificate, but rather uses a certificate issued by the CA
service to enable mTLS with the internal service. The proxy service also uses the external service's certificate to verify its identity11.
External Service: A service that runs outside the service mesh and communicates with an internal service over HTTPS or TCP. The external service does not require a TLS certificate from Tanzu Service Mesh, but rather uses its own
certificate to encrypt the traffic with the internal service, and to authenticate itself to the internal service.
Which two are valid options for obtaining kubectl config file in Tanzu Kubernetes environment? (Choose two.)
A. Use the command tubeccl vsphere login
B. Download from vSphere Ul
C. Download on the Supervisor Cluster Webpage
D. Access from vCenter Server Appliance Management Interface
E. Access from VMware Tanzu Mission Control
Correct Answer: BE
Two valid options for obtaining kubectl config file in Tanzu Kubernetes environment are:
Download from vSphere UI: For Tanzu Kubernetes clusters that are deployed on vSphere with Tanzu, you can download the kubeconfig file from the vSphere UI by selecting the cluster and clicking on the Download kubeconfig button1. This
file contains the credentials and connection information for the cluster, which you can use to access it with kubectl1.
Access from VMware Tanzu Mission Control: For Tanzu Kubernetes clusters that are attached or provisioned by VMware Tanzu Mission Control, you can access the kubeconfig file from the Tanzu Mission Control console by selecting the
cluster and clicking on the Access this cluster button2. This will generate a YAML file that you can download and use to connect to the cluster with kubectl2. References: Download a Kubeconfig File for a Tanzu Kubernetes Cluster - VMware Docs, Connect to a Managed Cluster with kubectl - VMware Docs
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