View Full VMware 2V0-16.25 Exam Dumps and Practice Test Dumps
Question 381
Which vSphere feature can automatically restart a virtual machine after an ESXi host failure?
- vSphere Replication
- Storage DRS
- VMware Tools
- vSphere HA
Correct Answer: 4
Explanation:
vSphere High Availability (HA) protects virtual machines against ESXi host failures by monitoring hosts and restarting affected virtual machines on surviving hosts within the cluster. HA uses host failure detection and cluster membership mechanisms to determine when a host has become unavailable. When a failure is confirmed, HA attempts to restart the affected workloads on other available hosts. This capability is different from Fault Tolerance, which can maintain a continuously running secondary instance for supported workloads. HA is therefore primarily a recovery mechanism rather than a zero-downtime technology. Proper cluster configuration, admission control, and sufficient resources are important for reliable HA recovery.
Question 382
What is the primary purpose of a vSphere cluster admission control policy?
- Reserve sufficient capacity for expected host failures
- Increase the maximum virtual disk size
- Configure guest operating system networking
- Synchronize ESXi host clocks
Correct Answer: 1
Explanation:
vSphere HA admission control helps ensure that a cluster retains enough resources to recover workloads after configured host failures. The policy evaluates available cluster capacity against the amount of capacity that must remain available for failover. Depending on the selected policy, vSphere may prevent new workloads from being powered on when doing so would compromise the required failover capacity. This protects the cluster from becoming overcommitted to the point where HA cannot restart virtual machines after a failure. Admission control does not configure networking, expand virtual disks, or provide time synchronization. Its central purpose is maintaining adequate failover capacity.
Question 383
Which object provides a centralized collection of hosts and virtual machines for cluster-level management?
- Datastore cluster
- Resource pool
- vCenter inventory folder
- vSphere cluster
Correct Answer: 3
Explanation:
A vSphere cluster groups multiple ESXi hosts and their associated virtual machines so that centralized features such as HA and DRS can operate across them. A cluster is managed through vCenter Server and provides a logical boundary for compute resources and availability policies. Datastore clusters organize storage resources rather than compute hosts, while resource pools provide hierarchical allocation of CPU and memory within a compute environment. Inventory folders are primarily organizational structures. The vSphere cluster is therefore the object used to combine ESXi hosts into a coordinated compute environment. Features such as automated load balancing and host-failure recovery depend on this cluster-level organization.
Question 384
Which VMware technology enables workloads to continue running during certain host hardware failures?
- vSphere HA
- vSphere Fault Tolerance
- Storage DRS
- vSphere Lifecycle Manager
Correct Answer: 2
Explanation:
vSphere Fault Tolerance (FT) provides continuous availability for supported virtual machines by maintaining a secondary instance on another ESXi host. The primary and secondary instances execute the workload in a coordinated manner so that the secondary can take over if the primary host fails. This differs from vSphere HA, which normally restarts a virtual machine after detecting a host failure and therefore introduces a recovery interval. FT requires appropriate host, networking, storage, and workload compatibility. It is intended for workloads where minimizing interruption is particularly important. FT therefore addresses continuous application availability rather than ordinary post-failure virtual machine restart.
Question 385
Which configuration controls the amount of CPU capacity guaranteed to a virtual machine?
- CPU limit
- CPU shares
- CPU reservation
- CPU affinity
Correct Answer: 3
Explanation:
A CPU reservation specifies the minimum amount of CPU resources that vSphere guarantees to a virtual machine when it is powered on, assuming sufficient physical resources are available to satisfy the reservation. Reservations are useful for workloads that require predictable access to compute capacity. CPU limits work differently because they establish an upper boundary on how much CPU the virtual machine can consume. Shares determine relative priority when resources become constrained, while affinity controls where virtual CPU execution can occur. A reservation should therefore be used when the objective is to guarantee a minimum amount of CPU capacity rather than simply influence scheduling priority or maximum consumption.
Question 386
Which storage feature automatically balances virtual machines across datastores based on storage conditions?
- Storage DRS
- vSphere HA
- vSphere FT
- Host Profiles
Correct Answer: 1
Explanation:
Storage DRS provides automated management of virtual machine placement across datastores within a datastore cluster. It can evaluate storage space utilization and storage I/O conditions and recommend or perform migrations when configured thresholds or policies indicate that redistribution is beneficial. This helps reduce storage imbalance and can simplify datastore management as environments grow. Storage DRS is different from compute DRS, which focuses on distributing workloads across ESXi hosts. vSphere HA addresses host failure recovery, while Fault Tolerance provides continuous availability for supported workloads. Host Profiles are used for configuration consistency rather than workload placement. Storage DRS therefore specifically addresses automated storage placement and balancing.
Question 387
Which vSphere object can contain multiple datastores for centralized storage management?
- Resource pool
- Datastore cluster
- Distributed port group
- Compute cluster
Correct Answer: 2
Explanation:
A datastore cluster is a logical collection of datastores that can be managed together through vCenter Server. It provides a foundation for capabilities such as Storage DRS, which can automate virtual machine placement and storage balancing across participating datastores. A resource pool manages CPU and memory allocation, while a distributed port group manages virtual networking configuration. A compute cluster groups ESXi hosts rather than datastores. Datastore clusters are especially useful in environments where administrators want to treat multiple compatible storage locations as a coordinated pool. Their design simplifies storage administration and supports policy-based placement decisions without requiring every virtual machine to be manually assigned to an individual datastore.
Question 388
Which mechanism allows an administrator to relocate a virtual machine’s virtual disk while it remains powered on?
- vSphere HA
- VMware Tools
- Storage vMotion
- Host Profiles
Correct Answer: 3
Explanation:
Storage vMotion allows the virtual disks and associated virtual machine storage files to be relocated between supported storage locations while the virtual machine continues running. This capability is useful for storage maintenance, datastore balancing, performance optimization, and storage lifecycle activities. Unlike ordinary vMotion, which primarily changes the compute host while maintaining the virtual machine’s storage location, Storage vMotion changes the storage placement. The operation depends on compatible source and destination storage and sufficient infrastructure resources. Administrators can use it to move workloads away from storage that needs maintenance or toward storage with more appropriate performance or capacity characteristics without requiring a traditional power-off migration.
Question 389
What is the main function of VMware Tools inside a supported guest operating system?
- Create VMFS datastores
- Configure ESXi cluster admission control
- Manage vCenter certificates
- Improve guest integration with the hypervisor
Correct Answer: 4
Explanation:
VMware Tools is a collection of guest operating system components that improves communication and integration between a virtual machine and the virtualization platform. Depending on the guest operating system and installed components, VMware Tools can provide capabilities such as improved time synchronization, guest shutdown or restart operations initiated through vSphere, heartbeat information, and enhanced device drivers. It does not create VMFS datastores or administer vCenter certificates. The exact capabilities depend on the version and guest environment. Keeping VMware Tools appropriately maintained can improve operational management and guest integration, making it an important component of a properly administered vSphere virtual machine.
Question 390
Which capability allows administrators to apply standardized ESXi configuration settings across hosts?
- Storage DRS
- Host Profiles
- Fault Tolerance
- VM snapshots
Correct Answer: 2
Explanation:
Host Profiles provide a mechanism for capturing and applying standardized ESXi host configuration settings. Administrators can use them to maintain configuration consistency across hosts and identify deviations from an expected configuration. This is particularly useful in larger environments where manually configuring every host creates a significant risk of inconsistency. Host Profiles can cover many configuration areas, depending on the vSphere version and supported settings. Storage DRS handles datastore placement, Fault Tolerance protects supported workloads, and snapshots preserve virtual machine state for specific operational purposes. Host Profiles therefore focus on configuration standardization and compliance across ESXi hosts rather than workload availability or storage balancing.
Question 391
Which vSphere networking component provides centralized configuration for virtual machines connected to multiple hosts?
- Standard switch
- VMkernel adapter
- Distributed switch
- Physical NIC
Correct Answer: 3
Explanation:
A VMware vSphere Distributed Switch provides centralized virtual networking management across multiple ESXi hosts. Administrators can configure networking constructs such as distributed port groups and apply consistent policies from vCenter Server. This reduces the need to independently configure equivalent virtual switching settings on every host. A standard switch is configured individually on each ESXi host, while a VMkernel adapter represents a host networking interface used for services such as management or vMotion. A physical NIC supplies physical connectivity but does not itself provide centralized virtual switching. Distributed switching is therefore especially valuable in environments where consistent network configuration across many hosts is required.
Question 392
Which port group type is associated with a vSphere Distributed Switch?
- Distributed port group
- VMkernel port
- Standard port group
- Physical uplink group
Correct Answer: 1
Explanation:
A distributed port group is a logical networking object created on a vSphere Distributed Switch. It provides a consistent connection point for virtual machines and can carry configuration such as VLAN settings, security policies, traffic shaping, and teaming behavior. Because the port group belongs to the distributed switch, its configuration can be applied consistently across participating ESXi hosts. A standard port group belongs to a vSphere Standard Switch instead. VMkernel ports are associated with host services and are not equivalent to distributed port groups. Physical uplinks provide connectivity from the distributed switch to physical network adapters. Distributed port groups therefore simplify consistent virtual machine networking across hosts.
Question 393
Which feature allows virtual machines to retain network connectivity when an active physical uplink fails?
- Storage multipathing
- CPU affinity
- VM snapshots
- NIC teaming
Correct Answer: 4
Explanation:
NIC teaming combines multiple physical network adapters so that network connectivity can continue when one available uplink fails, depending on the configured teaming and failover policy. The virtual switch can redirect traffic through another operational uplink when the active path becomes unavailable. NIC teaming can also be used for traffic distribution, depending on the selected load-balancing method and network design. Storage multipathing serves a similar redundancy concept for storage paths, not Ethernet uplinks. CPU affinity controls processor placement, while snapshots capture virtual machine state. Proper NIC teaming requires compatible physical switch configuration when the selected policy depends on features such as link aggregation.
Question 394
Which setting determines the maximum CPU consumption allowed for a virtual machine?
- CPU reservation
- CPU limit
- CPU shares
- CPU topology
Correct Answer: 2
Explanation:
A CPU limit establishes an upper boundary on the amount of processor capacity that a virtual machine can consume. Even when additional physical CPU resources are available, the virtual machine cannot normally exceed its configured limit. This differs from a reservation, which guarantees a minimum amount of capacity, and shares, which establish relative priority during contention. CPU topology describes how virtual processors are presented to the guest operating system and does not directly establish a consumption ceiling. Administrators should use limits carefully because an unnecessarily restrictive limit can prevent a workload from using available resources. A limit is therefore specifically associated with controlling maximum CPU consumption.
Question 395
Which virtual machine operation creates a point-in-time representation of its disk state?
- Snapshot
- Template conversion
- Hardware upgrade
- Storage rescan
Correct Answer: 1
Explanation:
A virtual machine snapshot captures the state of a virtual machine at a particular point in time and establishes a delta-based mechanism for recording subsequent disk changes. Snapshots are commonly used temporarily during certain maintenance or testing operations because they allow administrators to revert to an earlier state when appropriate. They are not intended to replace a backup strategy. Long-lived or numerous snapshots can increase storage consumption and complicate virtual machine management. Template conversion changes how a virtual machine is used for deployment, while hardware upgrades modify virtual hardware compatibility. A storage rescan simply refreshes the host’s awareness of available storage resources and does not capture virtual machine state.
Question 396
Which vSphere capability helps administrators identify configuration deviations from an expected host standard?
- Storage vMotion
- Fault Tolerance
- Host Profiles compliance
- VM encryption
Correct Answer: 3
Explanation:
Host Profiles compliance checking compares an ESXi host’s configuration against the configuration defined by an associated Host Profile. This allows administrators to identify settings that differ from the expected standardized configuration. Such checks can help maintain consistency and detect configuration drift over time. A compliance result can identify areas that require remediation or manual review, depending on the setting and vSphere capabilities. Storage vMotion relocates virtual machine storage, Fault Tolerance provides workload availability, and encryption protects virtual machine data. Host Profiles compliance is therefore specifically concerned with whether hosts continue to conform to an established configuration baseline.
Question 397
Which vSphere service is responsible for maintaining inventory and coordinating centralized management through vCenter Server?
- ESXi Shell
- vCenter Server
- VMware Tools
- VMkernel networking
Correct Answer: 2
Explanation:
vCenter Server provides centralized management for vSphere infrastructure. It maintains an inventory of managed objects such as datacenters, clusters, hosts, virtual machines, networks, and datastores and coordinates many higher-level management operations. Features such as vSphere DRS, HA configuration, distributed switching management, lifecycle operations, and centralized permissions depend on vCenter Server functionality. ESXi itself provides the virtualization layer on individual hosts, while VMware Tools operates inside guest operating systems. VMkernel networking provides host-level network connectivity for specific services. vCenter Server therefore acts as the central management platform through which administrators organize and operate a broader vSphere environment.
Question 398
Which technology provides a logical abstraction of physical storage capacity for virtual machines?
- VMkernel adapter
- Distributed port group
- Resource pool
- Datastore
Correct Answer: 4
Explanation:
A datastore provides a logical storage container that vSphere uses to store virtual machine files and related objects. Datastores can be backed by different supported storage technologies, including VMFS or network-based storage, depending on the environment. This abstraction allows administrators and virtual machines to work with storage through a consistent vSphere representation rather than directly managing individual physical disks. A resource pool abstracts compute resources, a distributed port group represents virtual networking configuration, and a VMkernel adapter provides host-level networking for specific services. Datastores therefore form the principal storage abstraction used for placing virtual machine files within the vSphere environment.
Question 399
Which mechanism can reduce the impact of storage-path failure by providing alternate routes to shared storage?
- Storage multipathing
- CPU reservation
- Network traffic shaping
- VM snapshots
Correct Answer: 1
Explanation:
Storage multipathing provides multiple paths between an ESXi host and a storage system. When properly configured, these paths can provide redundancy and, depending on the selected path-selection policy and storage architecture, help distribute storage I/O. If one path becomes unavailable, another operational path can potentially continue providing access to the storage device. This improves resilience against failures involving adapters, cables, switches, or individual storage paths. CPU reservations manage compute guarantees, network traffic shaping controls network traffic behavior, and snapshots preserve virtual machine disk-state history. Multipathing is therefore an important storage availability mechanism in environments that depend on shared storage infrastructure.
Question 400
Which VMware component provides the hypervisor layer directly running virtual machines on physical servers?
- vCenter Server
- vSphere Client
- ESXi
- vSphere Lifecycle Manager
Correct Answer: 3
Explanation:
VMware ESXi is the bare-metal hypervisor that runs directly on physical servers and provides the virtualization layer for virtual machines. It manages processor, memory, storage, and network resources and presents virtual hardware to guest operating systems. vCenter Server provides centralized management of multiple ESXi hosts but does not itself function as the physical-server hypervisor. The vSphere Client provides the administrative interface, while vSphere Lifecycle Manager supports lifecycle and image management activities. Understanding the distinction between ESXi and vCenter Server is fundamental to vSphere architecture: ESXi supplies the virtualization execution layer, while vCenter Server coordinates centralized administration and management across the environment.