Practice Free 2V0-18.25 Exam Online Questions
You are asked to create a report in VCF Operations that details the capacity utilization of all VVF workload clusters.
Which component do you need to configure first before generating the report?
- A . A custom Dashboard
- B . A View
- C . A Super Metric
- D . An Alert
B
Explanation:
In VCF Operations, Reports are built based on "Views". You must first create or select a View (like a list or trend view of capacity metrics) and then include that View in the Report template to generate the PDF/CSV.
You are investigating high CPU utilization on the VCF Operations appliance.
Which of the following is a recommended approach to alleviate performance issues on a standalone VCF Operations node?
- A . Enable Storage DRS on the datastore where the appliance resides.
- B . Scale up the appliance by adding more vCPU and RAM, up to the supported maximums for the node size.
- C . Disable data collection for all vCenter Servers.
- D . Change the operating system of the appliance to Windows Server.
B
Explanation:
If a VCF Operations node is undersized for the amount of data it is ingesting, the supported method to resolve performance bottlenecks is to vertically scale (add CPU/RAM) the node according to the official sizing guidelines, or scale out by adding additional nodes to the cluster.
You are troubleshooting a failed upgrade of the SDDC Manager appliance in VVF 9.0.
Which log directory on the SDDC Manager appliance contains the specific logs for the LCM (Lifecycle Management) services?
- A . /var/log/vmware/vcf/lcm/
- B . /var/log/messages
- C . /var/log/vmware/sddc-manager/
- D . /var/log/vmware/vpxd/
A
Explanation:
The /var/log/vmware/vcf/lcm/ directory contains the lcm.log and lcm-debug.log, which are the primary sources for troubleshooting upgrade, patching, and lifecycle operations orchestrated by SDDC Manager.
A VVF administrator is unable to access an NFS datastore from a newly added ESXi host. The datastore is accessible from all other hosts in the cluster.
Which of the following is the most likely cause?
- A . The NFS server has run out of storage capacity.
- B . The VMkernel port used for NFS traffic on the new host has an incorrect IP address or routing configuration.
- C . The VVF license does not support NFS storage.
- D . The new host requires a reboot to apply the NFS VIB.
B
Explanation:
If only one host cannot access an NFS datastore while others can, it is typically a network configuration issue on that specific host, such as an incorrect VMkernel IP, wrong VLAN tagging, or a routing issue preventing communication with the NFS server.
An administrator is trying to add a new cluster to an existing VVF workload domain. The operation fails because the selected ESXi hosts are not visible in the SDDC Manager inventory.
What must be done first?
- A . The hosts must be added to a vCenter Server manually.
- B . The hosts must be commissioned into the VCF inventory via SDDC Manager.
- C . The hosts must have virtual machines deployed on them.
- D . The hosts must be placed in Maintenance Mode.
B
Explanation:
Before hosts can be consumed by VCF to create or scale a cluster, they must go through the "Commissioning" process in SDDC Manager. This process validates the host configuration, network pools, and adds them to the available host inventory.
A network administrator configured a new VLAN on the physical Top of Rack (ToR) switches. However, VMs attached to a VDS port group using this VLAN in VVF cannot communicate on the network.
What is the most likely cause?
- A . The VLAN ID was not configured on the VDS port group.
- B . The VMs are using E1000 network adapters instead of VMXNET3.
- C . vSphere HA isolated the VMs.
- D . The VCF Cloud Builder appliance blocked the traffic.
A
Explanation:
For VM traffic to pass to the physical network on a specific VLAN, the physical switch ports must be trunked with that VLAN, AND the VDS distributed port group must be configured with the corresponding VLAN ID.
You are troubleshooting a vSphere Standard Switch (VSS) configuration on a legacy VVF host prior to conversion. A VM cannot receive traffic, but can send it. You suspect a security policy issue.
Which VSS security policy, if set to "Reject", could cause issues with certain clustering software that masks MAC addresses?
- A . Promiscuous Mode
- B . MAC Address Changes
- C . Forged Transmits
- D . Traffic Shaping
B
Explanation:
If the "MAC Address Changes" policy is set to Reject, the ESXi host will drop inbound frames destined for a VM if the VM’s guest OS has changed its effective MAC address to something other than the MAC address assigned in the VM’s .vmx configuration file (common in Microsoft NLB or certain clustering tools).
You are using VCF Operations for logs to troubleshoot a recurring authentication failure across your VVF environment. You want to be notified immediately if this error occurs more than 10 times in 5 minutes.
How can you achieve this? (Choose two.)
- A . Create a query for the specific authentication error.
- B . Export the logs to a CSV file every 5 minutes.
- C . Create an Alert from the query based on the frequency threshold.
- D . Configure a Content Pack to block the user.
A, C
Explanation:
In VCF Operations for logs (vRealize Log Insight), you can run a specific query for an event and then create an Alert based on that query, specifying thresholds (e.g., more than 10 events in 5 minutes) to trigger email or webhook notifications.
In VCF Operations, an administrator wants to view all currently active alerts that are critically impacting the health of a specific VVF workload cluster.
Which dashboard or view is best suited for this?
- A . The Environment -> Workload Cluster -> Alerts tab
- B . The Administration -> Access Control page
- C . The Dashboards -> Costing Analysis view
- D . The Reports -> Generate Report menu
A
Explanation:
Navigating directly to the object (the Workload Cluster) in the Environment tree and clicking the Alerts tab filters the view to show only alerts dynamically associated with that specific cluster and its child objects.
An administrator notices that a VVF workload cluster’s vSAN datastore is rapidly filling up due to a burst of snapshot creations.
Which vSAN feature or metric can be used to identify exactly which virtual machines or objects are consuming the most space?
- A . vSAN Capacity Monitoring (Capacity Overview and What-if Analysis)
- B . vSAN Performance Diagnostics
- C . vSphere HA Admission Control
- D . vSAN Hardware Compatibility Check
A
Explanation:
The Capacity Monitoring tab in the vSAN UI provides a detailed breakdown of space consumption by object types (virtual disks, snapshots, swap) and allows administrators to drill down into which specific VMs are consuming the storage.