5V0-35.21 Exam Dumps - VMware vRealize Operations Specialist

A support bundle is a collection of log and configuration files that can help troubleshoot a vROps issue. To create a support bundle, the system administrator can use the vROps UI and select the option to create a light or full support bundle. A light support bundle includes 24 hours of logs, while a full support bundle includes all available logs and configuration files. For an intermittent issue that occurred in the last 12 hours, a light support bundle should be sufficient to collect the relevant information. The system administrator can also select the cluster nodes that need to be evaluated for support, and download the support bundle in ZIP format for analysis or sending to VMware Technical Support1. The other options are not recommended or efficient ways to collect the relevant information. Collecting the vCenter and vROps primary node logs using SSH and the vm-support utility would not include the logs from the other vROps nodes, and would require manual steps to gather and compress the files. Using the vROps UI to create a full support bundle for ESXi, vCenter, and primary vROps nodes would include unnecessary and excessive data that could slow down the process and consume more disk space. Using SSH to copy the log files from each of the vROps nodes from /var/log/warn & /var/log/messages locations would also require manual steps to gather and compress the files, and would not include the configuration files that could be useful for troubleshooting. References: 1: Create a vRealize Operations Support Bundle

 To configure vRealize Operations to operate in Continuous Availability mode, you need to use the product User Interface -> Administration -> Cluster Management -> Configure Availability option. This option allows you to enable or disable Continuous Availability for the vRealize Operations cluster, as well as to view and edit the fault domains and node pairs. You can also monitor the status and synchronization of the nodes in each fault domain12. The other options are not correct because:

• The administration User Interface --> System Status --> Configure Availability option does not exist. The administration User Interface only has the following tabs: System Status, Cluster Management, Software Update, and Support3.
• The administration User Interface -> Architecture -> Configure Availability option does not exist. The administration User Interface does not have an Architecture tab3.
• The product User Interface -> Administration -> Support -> Configure Availability option does not exist. The Support tab under the Administration menu only has the following options: Logs, Support Bundles, and Support Alerts4. References: 1: Enable Continuous Availability in vRealize Operations 2: About vRealize Operations Continuous Availability 3: [vRealize Operations Manager Administration Interface] 4: [Support]

To enable High Availability (HA) on a vRealize Operations cluster, the following two options are requirements:

• The cluster must have at least one Primary node: The primary node is the first node that is deployed in the cluster and it is responsible for managing the cluster configuration, user interface, and administration functions. The primary node also stores data and performs analytics like any other data node. Without a primary node, the cluster cannot function properly1.
• The cluster must have at least one Data node: A data node is a node that collects data from various sources, stores data in its local file system, and performs analytics and alerting functions. A data node also participates in the cluster load balancing and data replication. To activate HA, you must have at least one data node deployed, in addition to the primary node. This allows the creation of a replica node that can take over the primary node functions in case of a failure2. References: 1: About vRealize Operations High Availability 2: High Availability (HA)

According to the vRealize Operations Cloud Getting Started guide1, the two steps that are needed to onboard an on-premises vCenter instance into an existing vRealize Operations Cloud instance are:

• Deploy and configure a cloud proxy. A cloud proxy is a virtual appliance that acts as a bridge between the on-premises vCenter instance and the vRealize Operations Cloud instance. It collects data from the vCenter instance and sends it securely to the vRealize Operations Cloud instance. It also enables actions and remote console access from the vRealize Operations Cloud instance to the on-premises vCenter instance. The guide provides the steps to download, deploy, and configure the cloud proxy using the vRealize Operations Cloud user interface1.
• Add a vCenter cloud account. A vCenter cloud account is a configuration that defines the connection details and credentials of the on-premises vCenter instance. It also specifies the cloud proxy that is associated with the vCenter instance. The guide provides the steps to add a vCenter cloud account using the vRealize Operations Cloud user interface1.

The other options are not correct because:

• Deploying and configuring a Data node is not a required step to onboard an on-premises vCenter instance into an existing vRealize Operations Cloud instance. A Data node is a component of the vRealize Operations Cloud cluster that stores and processes data. It is managed by the vRealize Operations Cloud service provider and does not need to be deployed or configured by the customer2.
• Deploying and configuring a Primary node is not a required step to onboard an on-premises vCenter instance into an existing vRealize Operations Cloud instance. A Primary node is a component of the vRealize Operations Cloud cluster that provides the user interfaceand administration functions. It is managed by the vRealize Operations Cloud service provider and does not need to be deployed or configured by the customer2.
• Adding a vRealize Operations Cloud account is not a required step to onboard an on-premises vCenter instance into an existing vRealize Operations Cloud instance. A vRealize Operations Cloud account is a configuration that defines the connection details and credentials of the vRealize Operations Cloud instance. It is used to integrate vRealize Operations Cloud with other VMware Cloud services, such as VMware Cloud on AWS or VMware Cloud Director. It is not related to the on-premises vCenter instance3. References: 1: vRealize Operations Cloud Getting Started guide, pages 9-132: vRealize Operations Cloud Concepts guide, pages 5-63: vRealize Operations Cloud User Guide, pages 17-18.

Suspending an alert is the action that allows the administrator to stop the alert from triggering again while investigating the problem. Suspending an alert also automatically assigns the alert to the user who performed the action1. Suspending an alert does not cancel or disable the alert, but rather pauses the alert evaluation until the user resumes or cancels the alert2. Taking ownership of an alert does not stop the alert from triggering again, but only indicates that the user is responsible for resolving the alert3. Disabling an alert prevents the alert from being generated for any object, which is not recommended unless the alert is no longer relevant or useful4. Canceling an alert removes the alert from the system, which is not appropriate if the alert is still valid and requires investigation. References: 1: Suspend an Alert - VMware Docs(https://docs.vmware.com/en/vRealize-Operations/8.10/com.vmware.vcom.user.doc/GUID-595146FB-93F7-4F34-A9D3-79144EA7A658.html)  2: Alert Actions - VMware Docs(https://docs.vmware.com/en/vRealize-Operations/8.10/com.vmware.vcom.core.doc/GUID-F9AF30F3-089B-43A8-8323-F266E51C05B8.html)  3: Take Ownership of an Alert - VMware Docs(https://kb.vmware.com/s/article/2012021)  4: Disable an Alert Definition - VMware Docs(https://www.brockpeterson.com/post/vmware-vrealize-operations-actions) : Cancel an Alert - VMware Docs

 Cloud Proxies are special types of remote collectors that enable vRealize Operations Cloud to collect and monitor data from on-premises data centers. Cloud Proxies establish a one-way communication channel from the on-premises environment to the vRealize Operations Cloud, and they securely upload data to the cloud instance without requiring any inbound ports to be opened on the firewall. Cloud Proxies can support multiple vCenter Server accounts and other management packs, and they provide data persistence and high availability features12. References: 1: Configuring Cloud Proxies in vRealize Operations 2: Managing Cloud Proxies in vRealize Operations

 The reason why vRealize Operations reports that the cluster has 0 days remaining when the actual CPU overcommit ratio is less than the 4:1 configured value is that the CPU demand in the cluster is greater than the total CPU capacity. The allocation model is a method of calculating the capacity and utilization of resources based on the amount of resources that are allocated to the objects, such as virtual machines, clusters, or datastores. The allocation model allows the administrator to set the overcommit ratio for CPU, memory, or disk space, which is the ratio of the allocated resources to the available resources. The overcommit ratio determines how much the resources can be overcommitted without affecting the performance or availability of the objects1.

When the administrator enables the allocation model in a policy and sets the CPU overcommit ratio to 4:1 for all vSphere clusters in a vSphere datacenter, it means that the administrator allows the CPU resources to be allocated four times more than the availableCPU resources in the clusters. For example, if a cluster has 100 GHz of CPU capacity, the administrator can allocate up to 400 GHz of CPU resources to the virtual machines in the cluster. However, this does not mean that the virtual machines can consume up to 400 GHz of CPU resources without any impact. The actual CPU consumption of the virtual machines depends on the CPU demand, which is the amount of CPU resources that the virtual machines require to run their workloads. The CPU demand can vary depending on the workload type, intensity, and pattern2.

If the CPU demand in the cluster is greater than the total CPU capacity, it means that the virtual machines are requesting more CPU resources than the cluster can provide. This can result in CPU contention, performance degradation, and SLA violations. In this case, vRealize Operations reports that the cluster has 0 days remaining, which means that the cluster has reached its maximum capacity and cannot accommodate any more CPU demand. The cluster has 0 days remaining even if the actual CPU overcommit ratio is less than the 4:1 configured value, because the overcommit ratio only reflects the allocated resources, not the consumed resources. The overcommit ratio does not guarantee that the cluster can support the CPU demand of the virtual machines, but only indicates the potential capacity of the cluster based on the allocation model1.

References: 1: Allocation Model - VMware Docs 2: Demand Model - VMware Docs

Remote Checks are a type of Telegraf plugin that allow you to monitor the availability and performance of remote services or endpoints from the Telegraf agent installed on a virtual machine. You can configure Remote Checks from the Manage Telegraf Agents page in vRealize Operations. There are two types of Remote Checks available: ICMP and TCP. ICMP (Internet Control Message Protocol) checks use ping commands to test the connectivity and response time of a target IP address or hostname. TCP (Transmission Control Protocol) checks use socket connections to test the connectivity and response time of a target IP address or hostname and port number. SMTP (Simple Mail Transfer Protocol), FTP (File Transfer Protocol), and RDP (Remote Desktop Protocol) are not Remote Checks, but they are Application Services that can be discovered and monitored by the Telegraf agent using other plugins. References:

• Additional Operations from the Manage Telegraf Agents Page
• Telegraf Agent Remote Check
• Checking SSL/TLS Certificate Validity Period using vRealize Operations Application Monitoring
• Automating App Monitoring
• vRealize-Automated-Install-of-Telegraf-Agent