Which condition will prevent Nutanix Guest Tools (NGT) from being installed in a VM?
Correct Answer: A
The guest VM must be powered on before Nutanix Guest Tools can be installed inside its operating system. NGT is not merely a configuration attribute applied to the VM object. It is a software package containing components such as the Nutanix Guest Agent and supporting services that must be installed and executed within the running guest operating system. A powered-off VM cannot execute the installer, start the required services, or establish communication between the guest agent and the Controller VM. Prism can enable NGT and mount its installer ISO under applicable conditions, including while a VM is powered off, but the actual software installation cannot complete until the guest operating system is running. This distinction between mounting the installer and installing the software is critical. NGT supports qualified Windows and Linux operating systems, so neither operating-system family inherently prevents installation. Administrators must instead confirm that the specific OS version is supported, that the VM is powered on, that valid credentials or interactive access are available, and that required CVM-to-guest connectivity exists. Once installed, NGT supports functions such as application-consistent snapshots, guest shutdown and restart, file-level recovery, and guest-agent communication. NHCF/NCA reference: VM administration and Nutanix Guest Tools lifecycle. Official references: Setting Up NGT and Nutanix Guest Tools .
Question 27
How should a license be removed from a cluster for reuse?
Correct Answer: D
A cluster must be unlicensed through the License Manager interface when its allocated entitlement needs to be released for reuse. The unlicensing workflow updates the authoritative licensing state and returns the applicable entitlement or capacity to the organization's available license pool. This is the controlled administrative process recognized by Nutanix licensing services. Disabling licensed features does not remove the license assignment. It changes feature usage or configuration while leaving the entitlement associated with the cluster. Unregistering a cluster from Prism Central only terminates its centralized management relationship; registration and licensing are independent administrative states. A cluster can therefore be unregistered while still consuming licenses. Deleting a locally generated summary file is equally ineffective because the file reports licensing information but does not constitute the authoritative license allocation. The administrator should verify connectivity and licensing status, open License Manager, select the applicable cluster, and use the unlicense operation. Any required synchronization with the Nutanix licensing service must be allowed to complete before the entitlement is treated as available elsewhere. This is especially important before decommissioning hardware, rebuilding a cluster, or transferring capacity to another Nutanix environment. NHCF/NCA reference: License types, cluster licensing, entitlement management, and Prism administrative functions. Official references: Nutanix License Manager Guide and Prism Licensing .
Question 28
An administrator is provisioning a new Linux virtual machine. Which timezone is recommended for this VM?
Correct Answer: C
UTC is the recommended timezone selection when creating a Linux VM on AHV. Nutanix specifically states that the real-time clock of a Linux VM must operate in UTC. Selecting the UTC timezone ensures that the guest's hardware-clock interpretation is consistent with Linux conventions and avoids time shifts caused by local timezone or daylight-saving changes. Time consistency is essential for authentication, application logging, distributed databases, monitoring, certificate validation and event correlation. The guest operating system can still display a regional timezone to users at the application or operating-system level while maintaining its underlying hardware clock in UTC. "Local" can cause the guest to interpret the virtual hardware clock according to a regional offset, producing incorrect timestamps after migration, reboot or daylight-saving transitions. "Cluster" is not a supported timezone designation for this VM setting. RTC means real-time clock and describes the clock mechanism rather than a selectable geographic timezone. The VM should also use a reliable NTP source after deployment so its operating-system time remains synchronized. NHCF/NCA reference: VM Management-creating and configuring Linux virtual machines; NCA Section 2, "Describe VM tasks." Official references: Prism 7.5-Creating an AHV VM , Prism 7.5-Time- Synchronization Recommendations .
Question 29
An administrator needs to take an immediate snapshot of a single VM. How should the administrator complete this task?
Correct Answer: D
A manual, immediate snapshot of an individual VM is created from the VM dashboard in Prism Element. The administrator opens the VM table, selects the target VM and invokes the Take Snapshot action. Prism then creates a point-in-time snapshot containing the VM configuration and the supported virtual-disk state. This procedure is appropriate when the requirement concerns one VM and the snapshot must be taken immediately. Prism Central Data Protection is used for broader protection policies, recovery points, protection schedules and multi-cluster disaster-recovery operations. Those capabilities are valuable for recurring or policy-based protection but are not the direct manual workflow described in the question. Connecting to a Controller VM is unnecessary and would bypass the supported administrative interface. The Prism Central Images service manages deployable disk images, ISO files and VM image resources; an image is not a point-in-time snapshot of a running VM. For application-consistent protection, additional guest-side preparation such as Nutanix Guest Tools may be required. A standard manual snapshot, however, is initiated through the selected VM's Prism Element actions. NHCF/NCA reference: VM Management-VM dashboard, VM lifecycle tasks, snapshots and recovery points; NCA Section 2, "Describe VM tasks." Official references: Prism 7.5-Creating a VM Snapshot Manually , Prism 7.5-Managing an AHV VM .
Question 30
What is the purpose of NCC?
Correct Answer: D
Nutanix Cluster Check is cluster-resident diagnostic software that evaluates the health, configuration, and operational state of a Nutanix environment. NCC includes plugins and checks covering cluster services, storage, networking, hardware, hypervisor integration, data protection, security-related settings, and other platform dependencies. Its results identify passed checks, warnings, failures, and conditions that require administrative attention. NCC is used during routine health validation, before and after upgrades, and when troubleshooting an active problem. Keeping NCC current is important because newer releases contain updated checks for current platform versions, supported configurations, and known failure conditions. Administrators can run broad check groups or individual plugins from Prism and the Controller VM command line. VM migration between hypervisors is performed through Nutanix Move. Network microsegmentation is provided through Flow Network Security and related policy controls. Cluster imaging and deployment are handled through Foundation or Foundation Central. None of those functions represents NCC's role. Nutanix defines NCC as software that helps diagnose cluster health and identify configurations qualified and recommended by Nutanix. Reference: Nutanix Cluster Check Guide . NHCF alignment: performing health checks, interpreting results, and preparing a cluster for maintenance or support investigation.
