The two required components of an alert definition are symptom and action.  An alert definition is a configuration that defines the conditions and actions for generating an alert 1 .  An alert is a notification that indicates a potential or existing issue with an object in the environment 2 .  An alert definition consists of the following components 3 :

Symptom: A symptom is a condition that indicates a deviation from the normal or expected behavior of an object. A symptom can be based on metrics, properties, events, or messages. A symptom can have a severity level and a wait cycle. A symptom is a required component of an alert definition, as it triggers the alert when it is met.

Recommendation: A recommendation is a suggestion or a guidance that provides a possible solution or a mitigation for the issue that caused the alert. A recommendation can include a link to a relevant document or a workflow. A recommendation is an optional component of an alert definition, as it helps the user to resolve the alert, but it does not affect the alert generation.

Action: An action is a task or a workflow that can be executed automatically or manually to resolve the issue that caused the alert. An action can be based on vRealize Orchestrator workflows or vRealize Operations Manager tasks. An action is a required component of an alert definition, as it defines the response for the alert when it is generated.

Version: A version is a number that indicates the release or the update of the alert definition. A version is an optional component of an alert definition, as it helps the user to track the changes and the compatibility of the alert definition, but it does not affect the alert generation.

Node: A node is a vRealize Operations Manager instance that is part of a cluster. A node is an optional component of an alert definition, as it helps the user to specify the scope and the source of the alert definition, but it does not affect the alert generation.

Therefore, the two required components of an alert definition are symptom and action, while the other components are optional.  References :

1 : vRealize Operations Manager User Guide, VMware, 2021, p. 93.

2 : vRealize Operations Manager User Guide, VMware, 2021, p. 91.

3 : vRealize Operations Manager User Guide, VMware, 2021, p. 94.

 According to the VMware vRealize Operations Reference Materials, the cloud provider that needs to be added as a custom cloud provider when running a What-If Analysis is Oracle Cloud. The What-If Analysis feature allows the administrator to compare the cost and performance of running workloads in different public cloud providers, such as AWS, IBM Cloud, Microsoft Azure, Google Cloud, and Alibaba Cloud. These public cloud providers are supported out-of-the-box in vRealize Operations, and the administrator can select them from the predefined list when creating a migration scenario. However, if the administrator wants to compare the cost and performance of running workloads in Oracle Cloud, they need to add it as a custom cloud provider, and upload a rate card that contains the pricing information for Oracle Cloud services. The other options are incorrect because they are supported out-of-the-box in vRealize Operations, and they do not need to be added as a custom cloud provider when running a What-If Analysis.  References :  What-If-Analysis - Migration Planning: Public Cloud ;  VMware vRealize Operations What-If Analysis ;  VMware vRealize Operations for Public Cloud

vRealize Operations Manager supports various notification methods out of the box, including email notifications and integration with third-party systems. Microsoft Teams is one of the platforms supported for notifications, allowing for alerts and updates from vRealize Operations Manager to be directly sent to a Microsoft Teams channel. This integration facilitates real-time alerting and collaboration within IT teams. However, options like SMS and Slack might require additional third-party plugins or integrations and are not natively supported as out-of-the-box notification types. Remedy, being an IT service management tool, can be integrated but is not a direct notification type.

 Symptom types are the categories of conditions that can trigger symptoms and alerts in vRealize Operations.  There are six symptom types available: Metric / Property, Message, Fault, Smart Early Warning, External Event, and Metric Event 1 .  Metric / Property symptoms compare the values of metrics or properties of an object to a static or dynamic threshold 2 .  Fault symptoms detect faults or errors on an object based on the fault events collected by the adapter 3 .  Alert, Action, and Recommendation are not symptom types, but they are components of alert definitions that provide information and guidance on how to resolve the problems identified by the symptoms 4 .  References :

Symptom Definitions

Create a Symptom Definition Based on Metrics or Properties

Create a Symptom Definition Based on Fault Events

Alert Definitions

 A custom script is a way to collect data from an application that is not supported by the default Telegraf plugins 1 .  A custom script can be written in any language that can run on the end point VM, such as Python, PowerShell, or Bash 2 .  The custom script must output the data in a specific format that can be parsed by the Telegraf agent and sent to vRealize Operations 3 .  The custom script can be configured in the telegraf.conf file or in a separate file under the /etc/telegraf/telegraf.d/ directory 4 .  References :  1 : Telegraf Agent - VMware Docs(https://docs.vmware.com/en/vRealize-Operations/8.10/com.vmware.vcom.config.doc/GUID-0C121456-370C-467E-874B-38ACC93E3776.html)  2 : Custom Script - VMware Docs(https://docs.vmware.com/en/vRealize-Operations/8.10/com.vmware.vcom.core.doc/GUID-9614C495-FAE0-4E95-8EE2-6FDA57355C0E.html)  3 : Custom Script Output Format - VMware Docs(https://www.funkycloudmedina.com/2022/06/how-to-install-vrealize-operations-telegraf-agent-using-vrealize-automation-and-saltstack-config/)  4 : Configure Telegraf Agent - VMware Docs(https://www.brockpeterson.com/post/windows-service-monitoring-with-vmware-vrealize-operations)

The three main categories for reclamation that are available to the administrator in the Reclaim view on the Home Screen navigation are orphaned disks, snapshots, and powered off VMs.  The Reclaim view is a feature of vRealize Operations that allows the administrator to identify and reclaim the wasted or unused resources in the environment, such as storage, CPU, and memory 1 . The Reclaim view shows the potential savings and the actions that can be taken to reclaim the resources for each category.  The orphaned disks category shows the virtual disks that are not associated with any virtual machine, and that can be deleted to free up storage space 2 .  The snapshots category shows the snapshots that are older than a specified age, and that can be deleted to free up storage space and improve performance 3 .  The powered off VMs category shows the virtual machines that are powered off for more than a specified period, and that can be deleted or archived to free up storage, CPU, and memory resources 4 . The unused datastores category (option A) is not a main category for reclamation that is available in the Reclaim view, as it is not a source of wasted or unused resources.  The unused datastores are datastores that are not used by any virtual machine or host, and that can be removed from the inventory or assigned to other objects 5 . The VM disks utilized %10 or less category (option E) is not a main category for reclamation that is available in the Reclaim view, as it is not a source of wasted or unused resources.  The VM disks utilized %10 or less are virtual disks that have low utilization, and that can be resized to reduce the allocated storage space 6 . The unused hosts category (option F) is not a main category for reclamation that is available in the Reclaim view, as it is not a source of wasted or unused resources. The unused hosts are hosts that are not used by any virtual machine or cluster, and that can be removed from the inventory or assigned to other objects.  References :

1 : vRealize Operations Manager User Guide, VMware, 2021, p. 77.

2 : vRealize Operations Manager User Guide, VMware, 2021, p. 78.

3 : vRealize Operations Manager User Guide, VMware, 2021, p. 79.

4 : vRealize Operations Manager User Guide, VMware, 2021, p. 80.

5 : vRealize Operations Manager User Guide, VMware, 2021, p. 81.

6 : vRealize Operations Manager User Guide, VMware, 2021, p. 82.

[7]: vRealize Operations Manager User Guide, VMware, 2021, p. 83.

To compare the cost of running workloads hosted with two different custom cloud providers, the administrator needs to create two new pricing cards in vRealize Operations. A pricing card is a template that defines the cost of cloud resources, such as compute, storage, network, and services. By creating two pricing cards, one for each custom cloud provider, the administrator can specify the prices for each resource type and apply discounts or markups as needed. The administrator can then use the pricing cards to run a what-if analysis and compare the cost of migrating or scaling workloads to the custom cloud providers. The other options are not correct for comparing the cost of running workloads hosted with two different custom cloud providers. Adding custom cloud providers as cloud accounts is not possible, as vRealize Operations only supports adding public cloud accounts, such as AWS, Azure, or Google Cloud. Inputting prices manually when running a what-if analysis is not efficient, as it would require entering the prices for each resource type and workload every time. Adding two custom cloud providers is not a valid option, as it is not clear how the administrator would define the cost of the cloud resources without using pricing cards.  References :  Create a Pricing Card ,  Compare the Cost of Running Workloads on Different Cloud Providers ,  What-If Analysis

https://docs.vmware.com/en/VMware-Aria-Operations/8.12/Configuring-Operations/GUID-5B6169B5-CBB8-4B0F-BAF6-3BF5C2708304.html

References:

1 :  Dashboards in VMware vRealize Operations   2 :  Create a Dashboard   3 :  Widgets in VMware vRealize Operations   4 : [Add a Widget to a Dashboard]  5 : [Top-N Widget] : [Metric Chart Widget] : [Interaction Widget] :  vRealize Operations Manager User Guide  :  vRealize Opera tions Manager Installation and Configuration Guide  : [vRealize Operations Manager Concepts Guide] : [vRealize Operations Manager Administration Guide] : [vRealize Operations Manager Customization and Extensibility Guide] : [vRealize Operations Manager Troubleshooting Guide] : [vRealize Operations Manager API Programming Guide] : [vRealize Operations Manager Certification Exam Guide]

Remote Collector nodes are a type of vRealize Operations nodes that only gather objects for the inventory, without storing data or performing analysis.  Remote Collector nodes can navigate firewalls, interface with remote data sources, reduce the bandwidth across data centers, or reduce the load on the vRealize Operations analytics cluster 1 .  Remote Collector nodes are not part of the analytics cluster, but they are members of the vRealize Operations cluster 2 .

Data nodes, Primary Replica nodes, and Primary nodes are all part of the analytics cluster and they store data and perform analysis. Data nodes have adapters installed and perform collection and analysis. Primary Replica nodes are replicas of the Primary nodes and provide high availability or continuous availability.  Primary nodes are the initial and required nodes in vRealize Operations and manage all other nodes 2 .  References :

Additional Operations from the Manage Telegraf Agents Page

About vRealize Operations Cluster Nodes

According to the VMware vRealize Operations Reference Materials, the three details that can be configured when creating a custom view are presentation, format, and data. The presentation option allows the administrator to select the view type, such as list, summary, trend, distribution, or text, and the visualization, such as table, chart, or heatmap. The presentation option also allows the administrator to configure the display settings, such as title, legend, labels, colors, and filters. The format option allows the administrator to select the output format, such as PDF, CSV, or XML, and the orientation, such as portrait or landscape. The format option also allows the administrator to configure the header and footer, such as logo, title, date, and page number. The data option allows the administrator to select the subject, which is the object type that applies to the view, and the data, which are the metrics, properties, or tags that are displayed in the view. The data option also allows the administrator to configure the data settings, such as aggregation, transformation, sorting, and grouping. The other options are incorrect because they are either not available or not relevant when creating a custom view. The custom view tag option is not available in the view configuration, but it can be used to filter the views in the view library. The input transformation option is not available in the view configuration, but it can be used to modify the input data for a widget in a dashboard. The subject option is not a separate detail, but a part of the data option in the view configuration.  References :  Create a View ;  View Configuration ;  View Types