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

 

Question 141

Which VMware capability can automatically balance storage space utilization?

1. vSphere HA
2. Network I/O Control
3. EVC
4. Storage DRS

Correct Answer: 4

Explanation:

Storage DRS can help balance virtual machine storage placement across datastores within a datastore cluster. It evaluates storage-related conditions such as capacity utilization and, where configured, storage I/O metrics. Based on those conditions, Storage DRS can provide recommendations or perform automated storage placement operations. This helps prevent individual datastores from becoming disproportionately full while making better use of available storage resources. vSphere HA focuses on availability, Network I/O Control manages network resource allocation, and EVC establishes CPU compatibility. Therefore, Storage DRS is the feature most directly associated with automated balancing of storage utilization.

Question 142

Which virtual networking object can apply policies across multiple ESXi hosts?

1. Standard switch
2. Physical NIC
3. Distributed port group
4. Local datastore

Correct Answer: 3

Explanation:

A distributed port group is a logical networking object associated with a vSphere Distributed Switch. It can provide consistent network configuration and policies to virtual machines across multiple ESXi hosts connected to that distributed switch. This centralized approach reduces the need to manually configure equivalent networking settings on each host. A standard switch is managed individually on an ESXi host, while a physical NIC provides physical connectivity and a local datastore provides storage. Distributed port groups are therefore useful when administrators require consistent virtual network policies across hosts participating in the same distributed switching environment.

Question 143

What does a VM’s memory reservation establish?

1. Guaranteed physical memory allocation
2. Maximum virtual disk size
3. Network packet rate
4. CPU compatibility level

Correct Answer: 1

Explanation:

A memory reservation establishes a guaranteed amount of physical memory resource for a virtual machine, subject to the applicable vSphere resource-management conditions. Reservations are useful when an application requires a predictable minimum memory allocation even when other workloads compete for host resources. A reservation differs from a memory limit, which establishes an upper boundary, and from shares, which determine relative priority during contention. Virtual disk capacity, network packet rates, and CPU compatibility are controlled by separate configurations. Therefore, guaranteed physical memory allocation is the primary purpose of a VM memory reservation.

Question 144

Which operation can move a VM between datastores while it remains powered on?

1. Template conversion
2. Storage vMotion
3. Host Profile application
4. Snapshot creation

Correct Answer: 2

Explanation:

Storage vMotion allows the storage associated with a running virtual machine to be migrated from one datastore to another without requiring the VM to be powered off. This capability can be useful during storage maintenance, capacity balancing, performance optimization, and infrastructure reorganization. The virtual machine can continue operating while its virtual disk data is transferred to the destination datastore. Template conversion changes a VM’s deployment status, Host Profile application modifies host configuration, and snapshot creation captures a point-in-time state. Storage vMotion is therefore the operation specifically designed for live VM storage migration.

Question 145

Which ESXi mechanism can reclaim unused memory by swapping pages to storage?

1. DRS
2. EVC
3. ESXi host swapping
4. VLAN trunking

Correct Answer: 3

Explanation:

ESXi can use host-level memory swapping when physical memory becomes sufficiently constrained and other reclamation techniques are insufficient. Pages associated with virtual machines can be written to a swap location so that physical RAM can be made available for other workloads. Because storage access is considerably slower than physical memory, swapping can affect workload performance and is generally considered a more aggressive memory-reclamation technique. DRS manages compute placement, EVC handles processor compatibility, and VLAN trunking handles network segmentation. Therefore, ESXi host swapping represents the memory-reclamation mechanism described.

Question 146

Which networking feature can provide multiple physical paths for a virtual switch?

1. Snapshot hierarchy
2. Storage policy
3. Memory reservation
4. NIC teaming

Correct Answer: 4

Explanation:

NIC teaming allows multiple physical network adapters to serve as uplinks for a virtual switch. Depending on the configured policy, these adapters can provide redundancy, traffic distribution, or both. If one physical adapter or network path becomes unavailable, another configured uplink can continue carrying traffic. This improves network resilience and can make more effective use of available physical interfaces. Snapshot hierarchies relate to virtual machine storage states, storage policies define storage requirements, and memory reservations concern compute resources. NIC teaming is therefore the networking feature that provides multiple physical paths through virtual switching.

Question 147

Which vSphere object represents a logical collection of storage resources?

1. Datastore cluster
2. Port group
3. Resource pool
4. Role

Correct Answer: 1

Explanation:

A datastore cluster is a logical grouping of datastores that allows administrators to manage several storage resources collectively. Storage DRS can operate with datastore clusters to help automate storage placement and balancing decisions. Grouping datastores provides a higher-level management structure and can simplify storage administration in environments containing numerous datastores. A port group manages virtual network connectivity, a resource pool organizes compute resources, and a role defines administrative privileges. Therefore, the datastore cluster is the object specifically designed to represent a logical collection of datastores.

Question 148

Which vSphere feature can protect applications by separating redundant VMs across hosts?

1. Storage DRS
2. DRS anti-affinity
3. NTP
4. SPBM

Correct Answer: 2

Explanation:

DRS anti-affinity rules can encourage redundant virtual machines to run on different ESXi hosts. This placement strategy can reduce the chance that a single host failure will simultaneously affect multiple virtual machines that provide redundant application components. Administrators can use such rules when application architecture requires separation between workloads. Storage DRS manages storage placement, NTP provides time synchronization, and SPBM manages storage policy requirements. Anti-affinity does not itself provide application redundancy; instead, it influences VM placement so that existing redundancy can be distributed across separate physical hosts.

Question 149

Which component presents virtual CPU resources to a guest operating system?

1. VMFS
2. VMkernel adapter
3. Physical HBA
4. Virtual CPU

Correct Answer: 4

Explanation:

A virtual CPU is a virtualized processor resource presented by the hypervisor to the guest operating system. The guest treats the vCPU as a processor on which operating-system and application threads can execute. ESXi schedules this virtual processor onto physical CPU resources according to workload demand and configured resource controls. VMFS provides storage, a VMkernel adapter supports host-level networking, and a physical HBA provides storage connectivity. Therefore, the virtual CPU is the component that directly presents processor resources to the guest operating system.

Question 150

Which feature allows administrators to assign relative priority during CPU contention?

1. CPU shares
2. Snapshot
3. NFS datastore
4. VLAN identifier

Correct Answer: 1

Explanation:

CPU shares establish relative priority among virtual machines or resource consumers when they compete for CPU resources. Shares do not reserve a fixed quantity of CPU capacity. Instead, they influence how available resources are distributed proportionally among competing workloads. A reservation provides a minimum guarantee, while a limit establishes a maximum boundary. Snapshots, NFS datastores, and VLAN identifiers perform unrelated functions. CPU shares are therefore appropriate when an administrator needs one workload to receive a greater or smaller relative portion of available processor capacity during periods of contention.

Question 151

Which service can provide guest-to-host integration functionality?

1. VMFS
2. VMware Tools
3. DRS
4. Storage DRS

Correct Answer: 2

Explanation:

VMware Tools is a collection of components installed within supported guest operating systems to improve integration with the VMware virtualization platform. Depending on the guest and installed version, VMware Tools can provide enhanced device drivers, time synchronization capabilities, graceful shutdown or restart support, and other integration functions. VMFS is a datastore filesystem, DRS manages compute placement, and Storage DRS handles storage placement. Installing and maintaining compatible VMware Tools can improve guest performance and operational management. Therefore, VMware Tools provides the guest-to-host integration functionality described.

Question 152

Which vSphere capability can provide recommendations for VM placement?

1. Host Profiles
2. Storage Policy-Based Management
3. DRS
4. Content Library

Correct Answer: 3

Explanation:

vSphere Distributed Resource Scheduler can analyze cluster resource conditions and generate recommendations for virtual machine placement. Depending on the configured automation level, administrators can review recommendations manually or allow DRS to perform applicable migrations automatically. DRS considers factors such as CPU and memory utilization while attempting to maintain appropriate workload distribution. Host Profiles focus on host configuration, Storage Policy-Based Management focuses on storage requirements, and Content Library manages reusable content. DRS therefore provides the cluster-level capability for generating and applying compute-placement recommendations.

Question 153

Which storage feature can enforce workload-specific storage requirements?

1. Storage Policy-Based Management
2. Port mirroring
3. CPU affinity
4. Fault Tolerance

Correct Answer: 1

Explanation:

Storage Policy-Based Management allows administrators to define storage requirements and associate those policies with virtual machines or virtual disks. Policies can describe desired storage capabilities such as availability, performance characteristics, or other supported attributes. The environment can then evaluate whether the actual storage placement remains compliant with the selected policy. Port mirroring is a networking function, CPU affinity controls processor placement, and Fault Tolerance provides VM availability protection. SPBM therefore provides the policy-driven mechanism for expressing and managing workload-specific storage requirements.

Question 154

Which VMware feature can maintain VM execution after a host failure without a normal restart?

1. DRS
2. Storage vMotion
3. Fault Tolerance
4. Host Profile

Correct Answer: 3

Explanation:

vSphere Fault Tolerance maintains a secondary execution instance of a protected virtual machine on another ESXi host. If the primary host fails, the secondary instance can continue the workload, reducing the interruption associated with a conventional VM restart. This differs from vSphere HA, where the affected VM is generally restarted on another host after a failure is detected. Fault Tolerance has specific workload, resource, networking, and compatibility requirements. DRS manages compute placement, Storage vMotion migrates VM storage, and Host Profiles standardize host configuration. Fault Tolerance is therefore the technology designed for this level of continuous VM protection.

Question 155

Which object can organize VMs according to resource-management boundaries?

1. Datastore
2. Resource pool
3. Distributed port group
4. Content library

Correct Answer: 2

Explanation:

A resource pool provides a logical boundary for managing CPU and memory resources among virtual machines and nested resource pools. Administrators can configure shares, reservations, and limits to establish how resources are allocated within the pool. This structure can be useful for separating workloads according to departments, applications, service levels, or other administrative requirements. A datastore manages storage, a distributed port group provides networking, and a Content Library manages reusable virtual infrastructure content. Therefore, the resource pool is the vSphere object specifically designed to organize workloads according to compute-resource management boundaries.

Question 156

Which protocol helps maintain consistent system time across ESXi hosts?

1. LDAP
2. iSCSI
3. NTP
4. SNMP

Correct Answer: 3

Explanation:

Network Time Protocol, or NTP, synchronizes system clocks with configured time sources. Consistent time is important across vSphere infrastructure because logs, authentication processes, certificates, troubleshooting records, and other operations depend on accurate timestamps. ESXi hosts can be configured to use appropriate NTP servers so their system clocks remain aligned. LDAP supports directory-based identity services, iSCSI provides storage connectivity, and SNMP can support monitoring and management functions. NTP is therefore the protocol specifically designed to maintain consistent system time among networked ESXi hosts and other infrastructure components.

Question 157

Which vSphere networking component provides centralized switch management?

1. Standard switch
2. Physical NIC
3. Distributed switch
4. Virtual disk

Correct Answer: 3

Explanation:

A vSphere Distributed Switch provides centralized management of virtual networking across multiple ESXi hosts. Administrators can configure distributed networking policies and apply consistent settings to participating hosts rather than maintaining separate switch configurations on each host. This approach is particularly useful in larger environments where network consistency and centralized administration are important. A standard switch is managed locally on each ESXi host, a physical NIC provides physical connectivity, and a virtual disk provides VM storage. The distributed switch therefore provides the centralized virtual switching capability described.

Question 158

Which mechanism can preserve a VM’s state before a configuration change?

1. NTP synchronization
2. CPU reservation
3. Snapshot
4. VLAN trunk

Correct Answer: 3

Explanation:

A virtual machine snapshot can capture a point-in-time representation of the VM before a configuration or software change. This can provide a temporary rollback point for certain administrative activities. However, snapshots should not be treated as permanent backups, and they should generally be removed when no longer required. Long-running snapshots can consume storage capacity and may introduce additional management overhead. NTP synchronization handles system time, CPU reservations guarantee compute resources, and VLAN trunks carry tagged network traffic. Therefore, a snapshot is the mechanism that can preserve a VM’s state before a planned change.

Question 159

Which vSphere feature provides host-level configuration consistency?

1. vMotion
2. Host Profiles
3. Storage DRS
4. VM snapshots

Correct Answer: 2

Explanation:

Host Profiles provide a structured method for defining and applying desired ESXi host configuration settings. Administrators can use profiles to help standardize supported networking, storage, security, system, and other host parameters. Compliance checks can identify differences between the host’s actual configuration and the desired profile. This reduces configuration drift and simplifies management when multiple hosts are expected to follow the same baseline. vMotion handles live VM migration, Storage DRS manages storage placement, and snapshots capture VM states. Host Profiles therefore provide the host-level configuration consistency mechanism described.

Question 160

Which vSphere component provides centralized access to infrastructure management tasks?

1. vSphere Client
2. Fibre Channel HBA
3. VMFS datastore
4. Virtual NIC

Correct Answer: 1

Explanation:

The vSphere Client provides a graphical interface through which administrators can access and perform many vSphere infrastructure management tasks. Through the client, authorized users can work with virtual machines, hosts, clusters, networking, storage, resource controls, alarms, permissions, and other inventory objects. The Fibre Channel HBA provides storage connectivity, the VMFS datastore stores virtual machine files, and the virtual NIC provides guest networking. The vSphere Client therefore serves as a central administrative interface for interacting with the vSphere environment and its managed infrastructure.