View Full VMware 2V0-16.25 Exam Dumps and Practice Test Dumps

 

Question 261

What does vSphere Fault Tolerance primarily provide?

1. Storage capacity balancing
2. Centralized certificate administration
3. Continuous availability for supported virtual machines
4. Guest operating system customization

Correct Answer: 3

Explanation:

vSphere Fault Tolerance provides continuous availability for supported virtual machines by maintaining a secondary execution instance on another ESXi host. The secondary instance remains synchronized with the primary, allowing the workload to continue when the primary host fails. This differs from vSphere HA, which generally restarts a VM on another host after detecting a failure. FT is intended for workloads requiring stronger continuity and has specific compatibility, resource, networking, and storage requirements. Administrators should verify that the workload is supported and that sufficient cluster resources are available before enabling Fault Tolerance.

Question 262

What is the role of the FT secondary instance?

1. It maintains a synchronized execution copy of the protected VM
2. It stores permanent backup archives
3. It manages vCenter inventory permissions
4. It provides physical storage replication

Correct Answer: 1

Explanation:

The FT secondary instance maintains a synchronized execution copy of the protected virtual machine. It runs on a separate ESXi host and receives the information necessary to remain synchronized with the primary instance. If the primary host fails, the secondary can assume execution with minimal interruption. The secondary instance should not be considered a replacement for a backup because backup systems provide different recovery capabilities and retention objectives. FT also does not manage vCenter permissions or physical storage replication. Administrators should monitor FT health and synchronization status to ensure the secondary remains capable of protecting the workload.

Question 263

Which network traffic is specifically associated with keeping FT instances synchronized?

1. Management traffic
2. FT logging traffic
3. Guest web traffic
4. Storage discovery traffic

Correct Answer: 2

Explanation:

FT logging traffic carries the information required to keep the primary and secondary Fault Tolerance instances synchronized. This traffic is separate from ordinary guest network communication and requires reliable network connectivity between the hosts involved. Insufficient bandwidth, excessive latency, or interruptions can affect FT synchronization and may reduce the protection available to the VM. Administrators should provide appropriate networking for FT logging and monitor its health. Management traffic, guest application traffic, and storage discovery serve different purposes and should not be confused with the specialized communication used by Fault Tolerance.

Question 264

What can occur when an FT secondary loses synchronization?

1. The VM is automatically converted into a template
2. The datastore is immediately reformatted
3. The guest OS is automatically reinstalled
4. The secondary instance can no longer provide fully synchronized protection

Correct Answer: 4

Explanation:

Fault Tolerance depends on continuous synchronization between its primary and secondary instances. If synchronization is interrupted, the secondary can become out of date and therefore may no longer provide the expected level of protection. Administrators should investigate the underlying FT network, host resources, and configuration when synchronization problems occur. A synchronization problem does not automatically reformat storage, reinstall the guest operating system, or convert the VM into a template. Maintaining reliable FT logging connectivity and monitoring FT status are important operational practices for workloads that depend on continuous availability.

Question 265

What is the main purpose of the vSphere HA agent installed on an ESXi host?

1. To provide guest application licensing
2. To participate in HA monitoring and recovery operations
3. To configure physical SAN switches
4. To manage virtual disk encryption keys

Correct Answer: 2

Explanation:

The vSphere HA agent enables an ESXi host to participate in the cluster’s availability mechanisms. It communicates with other HA-enabled hosts and contributes information used for host monitoring, VM protection, and recovery decisions. The HA agent is therefore an important component of cluster-level availability functionality. It does not manage guest licensing, physical SAN switches, or encryption keys. When troubleshooting HA behavior, administrators should examine host connectivity, HA configuration, agent health, datastore accessibility, and available cluster resources rather than treating the HA agent as a general-purpose management service.

Question 266

What does an HA master coordinate within a cluster?

1. Guest operating-system updates
2. Storage-array firmware upgrades
3. Availability monitoring and VM recovery activities
4. Physical network routing

Correct Answer: 3

Explanation:

Within a vSphere HA cluster, the HA master performs important coordination functions related to host monitoring, VM protection, and recovery. It maintains information about cluster members and helps coordinate actions when hosts or protected workloads encounter qualifying failures. The HA architecture is designed so that cluster availability can continue even when individual components become unavailable. The HA master does not manage guest software updates, physical storage firmware, or network routing. Administrators normally configure HA through vSphere management interfaces rather than manually performing the master’s internal coordination tasks.

Question 267

What does an HA host isolation response determine?

1. How protected VMs behave when the host loses cluster connectivity
2. How much CPU a VM receives during contention
3. Which storage protocol a datastore uses
4. Which certificate authority signs ESXi certificates

Correct Answer: 1

Explanation:

The HA host isolation response determines how virtual machines should behave when an ESXi host loses communication with the other hosts in the HA cluster while the host itself may still be running. Depending on configuration, affected VMs may remain powered on, be powered off, or be shut down gracefully. The selected response should account for network reliability and application behavior because an isolated host may otherwise continue running workloads while another host attempts recovery. This setting does not determine CPU scheduling, datastore protocol selection, or certificate authority configuration.

Question 268

What does HA VM restart priority influence?

1. Datastore formatting order
2. Network adapter allocation
3. The relative order of VM recovery after certain failures
4. Physical CPU installation

Correct Answer: 3

Explanation:

HA VM restart priority influences the order in which protected virtual machines receive recovery attention after certain host failures. This is useful when multiple workloads must be restarted but available resources or application dependencies make simultaneous recovery impractical. Administrators can assign higher priority to workloads that should become operational earlier. Restart priority does not change physical CPU hardware, datastore formatting, or network adapter allocation. It should be considered together with application dependencies because some workloads may rely on infrastructure or services provided by other virtual machines that need to recover first.

Question 269

What does an HA VM dependency relationship help administrators define?

1. Storage path selection
2. Recovery relationships between dependent virtual machines
3. CPU frequency scaling
4. Network switch firmware updates

Correct Answer: 2

Explanation:

HA VM dependency relationships allow administrators to describe recovery relationships between virtual machines. This is useful when one workload depends on another service being available before it can function correctly. Defining dependencies can help establish a more logical recovery sequence after infrastructure failures. The feature does not control storage paths, processor frequency, or network-switch firmware. Administrators should document actual application dependencies before configuring them and avoid unnecessary relationships that could complicate automated recovery. Correct dependency design can make recovery behavior more consistent for multi-tier applications.

Question 270

What does HA admission control help preserve?

1. Sufficient cluster resources for configured failover requirements
2. Identical VM hardware versions
3. Equal datastore sizes
4. Matching physical NIC models

Correct Answer: 1

Explanation:

HA admission control helps preserve sufficient cluster capacity for VM recovery according to the configured failure policy. It prevents the cluster from accepting workloads in a way that could consume all available resources and leave insufficient capacity after a host failure. Depending on the selected policy, HA evaluates factors such as host resources, VM reservations, and expected failure conditions. Admission control does not require identical virtual hardware, equal datastore sizes, or matching NIC models. Administrators should review admission-control configuration whenever hosts, workload reservations, or cluster capacity change significantly.

Question 271

What does Proactive HA use to identify potentially unhealthy hosts?

1. Guest desktop configuration
2. Hardware health information
3. Snapshot filenames
4. VM template metadata

Correct Answer: 2

Explanation:

Proactive HA can use hardware health information provided through supported hardware-monitoring integrations to identify hosts experiencing degraded conditions. Instead of waiting for a complete host failure, the feature can allow vSphere to respond to reported health problems by taking configured actions, such as moving workloads away from an affected host. This differs from traditional HA recovery after a failure has already occurred. Proactive HA does not evaluate snapshot names, guest desktop settings, or template metadata. Administrators should confirm hardware-provider compatibility and understand the available health states before relying on proactive remediation.

Question 272

What does datastore heartbeating provide to vSphere HA?

1. A supplemental indication of host activity
2. A method for encrypting datastore files
3. A replacement for VM backups
4. A mechanism for assigning CPU reservations

Correct Answer: 1

Explanation:

Datastore heartbeating provides vSphere HA with an additional indication that an ESXi host remains active. It becomes particularly useful when normal HA network communication is unavailable because the shared storage infrastructure can provide another source of host-activity information. This helps HA distinguish between certain network-isolation conditions and an actual host failure. Datastore heartbeating is not a backup mechanism and does not perform encryption or CPU resource allocation. Administrators should ensure that suitable shared datastores are accessible to the hosts so that HA has appropriate heartbeat resources.

Question 273

What is the primary recovery action of vSphere HA after an eligible host failure?

1. Reinstalling the failed ESXi host
2. Restarting protected virtual machines on surviving hosts
3. Converting affected VMs into templates
4. Rebuilding the physical network

Correct Answer: 2

Explanation:

After detecting an eligible ESXi host failure, vSphere HA can restart protected virtual machines on surviving hosts. The actual recovery depends on factors such as admission control, available resources, VM protection state, storage accessibility, and cluster configuration. HA is focused on workload availability rather than repairing the failed host itself. It does not automatically reinstall ESXi, convert VMs into templates, or rebuild physical networking. Administrators should maintain adequate capacity and shared-resource accessibility so that workloads can be successfully restarted when a host failure occurs.

Question 274

What is the purpose of vSphere inventory folders?

1. To organize managed objects logically
2. To reserve physical CPU cores
3. To provide iSCSI authentication
4. To configure storage-array controllers

Correct Answer: 1

Explanation:

vSphere inventory folders provide a logical organizational structure for managed objects. Administrators can use them to arrange virtual machines, hosts, clusters, datacenters, and other supported objects according to organizational or operational requirements. Folders can make large environments easier to navigate and can also provide useful locations for applying permissions at appropriate inventory levels. They do not reserve physical CPU cores, authenticate iSCSI sessions, or configure storage controllers. A consistent folder structure can simplify administration, especially when many workloads and infrastructure objects are managed through a single vCenter Server environment.

Question 275

What do vSphere tags provide for inventory objects?

1. Physical storage replication
2. Metadata-based classification
3. CPU scheduling guarantees
4. Guest application monitoring

Correct Answer: 2

Explanation:

vSphere tags provide metadata that can be attached to inventory objects for classification and identification. Administrators can use tags to categorize workloads according to characteristics such as environment, ownership, application type, business function, or operational requirements. Tags differ from folders because the same object can often receive multiple tags from appropriate categories without being relocated within the inventory hierarchy. Tags do not provide CPU reservations, storage replication, or guest application monitoring. Well-designed tagging can make inventory searches and administrative workflows more consistent across larger vSphere environments.

Question 276

What does a tag category control?

1. The physical NIC used for management
2. The VM’s memory reservation
3. How tags are grouped and applied
4. The storage multipathing algorithm

Correct Answer: 3

Explanation:

A tag category organizes related tags and defines applicable rules for their use. Depending on configuration, the category can determine which object types can receive its tags and whether multiple tags from that category can be assigned to the same object. This allows administrators to create structured classification systems rather than maintaining an unorganized collection of unrelated tags. Tag categories do not control VM memory reservations, physical NIC selection, or storage path algorithms. Administrators should design categories consistently so that tagging remains understandable and useful as the vSphere environment grows.

Question 277

What is the primary purpose of a vSphere task record?

1. To show the status of an administrative operation
2. To store VM encryption keys
3. To define guest network routes
4. To control storage-array firmware

Correct Answer: 1

Explanation:

A vSphere task record represents an operation performed within the environment and can provide information about its progress and outcome. Tasks may be associated with actions such as powering on a VM, migrating a workload, creating an object, or changing configuration. Administrators can review task information to determine whether an operation completed successfully or encountered an error. Task records are different from events, which provide historical records of occurrences and changes. Tasks do not store encryption keys, define guest routes, or manage physical storage firmware.

Question 278

What is the main purpose of a vSphere event record?

1. To allocate additional CPU shares
2. To document an occurrence or change involving a managed object
3. To establish a storage reservation
4. To select a physical uplink

Correct Answer: 2

Explanation:

A vSphere event records an occurrence or change associated with a managed object. Events can include administrative actions, configuration changes, power operations, and system-generated conditions. Reviewing events helps administrators establish what happened and when it happened, which can be valuable during troubleshooting or auditing. Events are different from tasks because tasks represent operations being executed or tracked, while events document occurrences. Events do not directly allocate CPU resources, establish storage reservations, or select physical uplinks. Administrators can use events together with tasks and alarms to understand infrastructure activity.

Question 279

What does a CPU reservation guarantee for a VM?

1. A minimum amount of CPU resources under applicable conditions
2. Unlimited access to all host processors
3. A dedicated physical CPU socket
4. Automatic migration to the least-loaded host

Correct Answer: 1

Explanation:

A CPU reservation specifies a minimum amount of CPU resources that vSphere guarantees for a virtual machine when the applicable resource conditions require enforcement. It does not provide unlimited processor access or automatically assign a dedicated physical CPU socket. Reservations are different from CPU limits, which establish maximum consumption, and CPU shares, which influence relative priority during contention. Administrators can use reservations for workloads with predictable minimum processing requirements, but excessive reservations can reduce the resources available to other workloads and affect cluster flexibility.

Question 280

What does a CPU limit impose on a virtual machine?

1. A minimum guaranteed CPU allocation
2. A maximum boundary on CPU consumption
3. A dedicated physical processor
4. An automatic DRS affinity relationship

Correct Answer: 2

Explanation:

A CPU limit establishes the maximum CPU resource consumption permitted for a virtual machine within the applicable vSphere resource hierarchy. Even if additional physical CPU capacity is available, the VM cannot exceed the configured limit. This differs from a CPU reservation, which establishes a minimum guaranteed allocation under applicable conditions, and CPU shares, which establish relative priority during contention. Administrators should use CPU limits carefully because an unnecessarily low limit can restrict a workload even when the host has unused processing capacity. Resource settings should be reviewed together when investigating unexpected CPU performance.