VMware Updated 5V0-35.21 Exam Questions and Answers by sapphire

Host-based placement is a feature of Business Intent that allows you to use vSphere tags to match VMs with hosts based on your business needs. For example, you can use host-based placement to enforce license compliance, security isolation, or performance optimization. When you create a host-based placement in a Business Intent, vRealize Operations automatically creates VM groups, host groups, and affinity rules for you to meet your objectives. These affinity rules are DRS ‘must run on’ rules that restrict the placement of VMs to hosts with matching tags. After you confirm the host-based placement, any existing DRS rules that conflict with the newly created affinity rules will be disabled. This is to ensure that the Business Intent is not violated by the DRS rules. You can view the disabled DRS rules in the vSphere Client under the Configure tab of the cluster123. References: 1: Using Host Rules with Business Intent in vRealize Operations 7.0 2: Business Intent Workspace 3: Self-Driving all the way to the Host? Oh yeah Host Based Placement …

 The vRealize Operations sizing tool is a web-based tool that helps you estimate the resources required for deploying and running vRealize Operations in your environment. The tool has two modes: Basic and Advanced. In the basic mode, you only need to enter information about vCenter objects, such as the number of clusters, hosts, virtual machines, and datastores. The tool also asks for the projected growth rate and data retention period for your environment. Based on these inputs, the tool provides recommendations for the node size, cluster size, and disk space for vRealize Operations. The tool also shows the maximum number of objects and metrics that can be collected by the recommendedconfiguration123. Therefore, the attribute that is required for using the vROps sizing tool in basic mode is the number of clusters. The other attributes, such as the number of virtual machine disks, vSwitches, and port groups, are not required in the basic mode. However, they can be entered in the advanced mode, along with other data sources, such as management packs, vRealize Automation, vRealize Log Insight, etc., to get a more accurate and customized sizing recommendation123. References: 1: Introducing the vRealize Operations Sizing Tool 2: vRealize Operations 8.6.0, 8.6.1, and 8.6.2 Sizing Guidelines 3: Everything You Need To Know About vRealize Operations Manager Sizing Tool

According to the vRealize Operations User Guide1, Business Intent is a feature that allows the administrator to define the performance, efficiency, and consolidation goals for the clusters and hosts in the SDDC, and to specify the maximum amount of cluster resources to be reserved for burst capacity. Business Intent is applied to objects in vRealize Operations using vCenter Server tags, which are key:value labels that allow operators to add meta-data to vCenter Server objects. By tagging VMs, hosts, and/or clusters with specific tags, the administrator can create business-related placement constraints, such as VMs can only be placed on hosts/clusters with matching tags. For example, the tag OS: Linux can indicate a cluster or VM that is assigned to the category OS with a tag name of Linux. vRealize Operations then uses these tags to optimize the placement and balance of the workloads, and to perform automated remediation actions in the event of an issue. The other options are not correct because:

• Groups are not used to apply Business Intent to objects in vRealize Operations. Groups are collections of objects that share common characteristics, such as type, name, location, or relationship. Groups are used to organize objects for monitoring, analysis, alerting, or policy assignment, but not for workload placement or balance1.
• Policies are not used to apply Business Intent to objects in vRealize Operations. Policies are sets of configuration settings that define how vRealize Operations monitors and manages the objects in the SDDC. Policies are used to enable or disable alerts, metrics, properties, symptoms, recommendations, or actions for different types of objects, but not for workload placement or balance1.
• Roles are not used to apply Business Intent to objects in vRealize Operations. Roles are collections of permissions that define what actions a user can perform on the objects in the SDDC. Roles are used to control the access and visibility of the objects for different users, but not for workload placement or balance1. References: 1: vRealize Operations User Guide, pages 57-59, 62-63, 66-67, 70-71.

According to the VMware vRealize Operations Reference Materials, the High Availability feature in vRealize Operations cluster must be used for this requirement. The High Availability feature enables the cluster to tolerate one node failure without losing any data or functionality. The High Availability feature works by creating a replica node for each data node in the cluster, and synchronizing the data between them. The replica node acts as a standby node that can take over the role of the data node in case of a failure. The replica node can also serve as a load balancer to distribute the workload among the data nodes. The other options are incorrect because they do not meet the requirement or they are not supported by vRealize Operations. The Remote Collector option is not a cluster feature, but a type of node that can be used to collect data from remote sources and forward it to the cluster. The Remote Collector node does not store any data or perform any analysis, and it cannot replace a data node in case of a failure. The Continuous Availability option is a cluster feature that enables the cluster to tolerate multiple node failures without losing any data or functionality. However, the Continuous Availability feature requires at least two physical locations, and it is not supported for a single location. The Stretched Cluster option is not a cluster feature, but a configuration that allows a cluster to span across two physical locations. The Stretched Cluster option can provide high availability and disaster recovery, but it also requires additional network and storage configuration, and it is not supported for a single location. References: vRealize Operations Cluster and Node Maintenance; Adding High Availability to vRealize Operations; Adding Continuous Availability; Stretched Cluster