View Full VMware 2V0-16.25 Exam Dumps and Practice Test Dumps
Question 81
Which feature controls when HA can reserve capacity for failover?
- Storage DRS
- HA Admission Control
- EVC
- vMotion
Correct Answer: 2
Explanation:
vSphere HA Admission Control helps ensure that sufficient cluster resources remain available for virtual machine recovery after host failures. It evaluates configured policies and available capacity before allowing workloads to consume resources that could compromise failover requirements. The purpose is to preserve enough CPU and memory capacity for HA-protected virtual machines when a host becomes unavailable. Storage DRS manages storage placement, EVC establishes CPU compatibility, and vMotion performs workload migration. Admission Control is therefore an important part of HA planning because it helps maintain the cluster’s ability to restart protected workloads after infrastructure failures.
Question 82
Which VMkernel service supports ESXi host management communication?
- Management
- Fault Tolerance logging
- Provisioning
- vMotion
Correct Answer: 1
Explanation:
The Management service on a VMkernel adapter provides network connectivity used for administrative communication with the ESXi host. This traffic can include management operations involving vCenter Server and other management components. VMkernel adapters can support different services depending on the environment, including vMotion, provisioning, IP storage, and Fault Tolerance logging. Separating services onto appropriate networking paths can improve traffic organization and security. The management service should therefore be enabled on a suitable VMkernel interface when an ESXi host needs network connectivity for administrative and infrastructure-management operations.
Question 83
Which storage feature provides multiple paths between an ESXi host and storage?
- DRS
- Storage I/O Control
- Multipathing
- Host Profiles
Correct Answer: 3
Explanation:
Storage multipathing provides multiple communication paths between an ESXi host and a storage device. Multiple paths can improve storage availability because an alternative path may remain usable if another path fails. Depending on the storage architecture, multipathing can also support path-selection policies that influence how I/O is distributed. Multipathing is distinct from DRS, which manages compute placement, and Host Profiles, which standardize host configuration. Storage I/O Control addresses storage resource prioritization rather than physical path redundancy. Therefore, multipathing is the capability directly associated with maintaining multiple paths to storage.
Question 84
What does Storage I/O Control primarily manage?
- Virtual network addressing
- Storage I/O resource prioritization
- Guest operating system updates
- CPU instruction compatibility
Correct Answer: 2
Explanation:
Storage I/O Control, or SIOC, helps manage storage I/O resources when multiple workloads compete for datastore performance. It allows administrators to establish relative storage I/O shares and limits for virtual machines so that important workloads can receive appropriate priority during contention. This is different from CPU resource controls, network addressing, or processor compatibility. SIOC can be useful in environments where multiple virtual machines share storage resources and administrators need more predictable behavior under heavy I/O demand. Its purpose is therefore centered on controlling and prioritizing storage I/O consumption.
Question 85
Which VMware feature simplifies deployment of standardized virtual machines?
- VM template
- VMkernel adapter
- Storage adapter
- DRS rule
Correct Answer: 1
Explanation:
A virtual machine template provides a standardized source from which administrators can deploy new virtual machines. Templates can contain a prepared operating system, applications, configuration settings, and other components required for a consistent deployment. Using templates reduces repetitive installation work and helps maintain standard configurations across multiple workloads. A VMkernel adapter handles host-level networking, a storage adapter provides storage connectivity, and a DRS rule controls workload placement. Templates are therefore especially useful when organizations need to deploy many virtual machines with similar baseline configurations efficiently and consistently.
Question 86
Which networking feature allows VLAN tags to pass through a virtual switch?
- CPU affinity
- VLAN trunking
- Storage multipathing
- Memory reservation
Correct Answer: 2
Explanation:
VLAN trunking allows multiple VLANs to traverse a network connection by carrying VLAN-tagged traffic. In vSphere environments, appropriate VLAN configuration on the virtual and physical switching infrastructure is required when trunking is used. This can allow virtual machines associated with different VLANs to share physical network infrastructure while remaining logically separated. CPU affinity and memory reservations concern compute resources, while storage multipathing concerns redundant storage paths. VLAN trunking is therefore the networking mechanism associated with carrying traffic for multiple VLANs across a shared connection.
Question 87
Which vSphere feature helps monitor and manage storage policy compliance?
- vMotion
- SPBM
- VM Monitoring
- EVC
Correct Answer: 2
Explanation:
Storage Policy-Based Management, or SPBM, allows administrators to define storage policies and evaluate whether virtual machine storage remains compliant with those policies. Policies can describe desired storage characteristics based on capabilities exposed by the underlying infrastructure. Compliance information helps administrators identify workloads whose storage placement no longer satisfies the defined requirements. vMotion handles compute migration, VM Monitoring addresses certain virtual machine availability conditions, and EVC handles processor compatibility. SPBM therefore provides the policy-driven framework for managing storage requirements and checking whether virtual machines continue to meet those requirements.
Question 88
Which VM component provides network connectivity inside the guest operating system?
- Virtual network adapter
- VMFS datastore
- VMkernel interface
- Physical HBA
Correct Answer: 1
Explanation:
A virtual network adapter, or virtual NIC, provides network connectivity to the guest operating system running inside a virtual machine. The adapter connects to a virtual network through a port group and can communicate with other virtual or physical network resources according to the configured networking environment. A VMkernel interface instead provides host-level networking for ESXi services. VMFS provides storage, while a physical HBA provides connectivity to certain storage fabrics. Understanding the distinction between guest virtual NICs and VMkernel interfaces is important when troubleshooting virtual machine networking and ESXi host communication.
Question 89
What is the primary role of vSphere Lifecycle Manager?
- Manage ESXi host software and image lifecycle
- Allocate VM memory shares
- Provide NFS storage
- Create VLANs
Correct Answer: 1
Explanation:
vSphere Lifecycle Manager helps administrators manage the software lifecycle of ESXi hosts and related cluster infrastructure. Depending on the configured approach, it can support image-based management, updates, upgrades, and compliance activities. Centralizing lifecycle operations can reduce configuration differences and simplify maintenance across clusters. Memory shares are controlled through resource-management settings, NFS provides storage access, and VLANs are networking constructs. Lifecycle management is therefore focused on maintaining consistent and supported host software states rather than directly managing virtual machine resources, storage protocols, or network segmentation.
Question 90
Which setting controls the maximum CPU consumption allowed for a VM?
- Reservation
- Shares
- Limit
- Affinity
Correct Answer: 3
Explanation:
A CPU limit establishes the maximum amount of CPU resource that a virtual machine can consume. Unlike a reservation, which guarantees a minimum amount, a limit acts as an upper boundary. Shares establish relative priority during contention, while affinity settings influence placement relationships. Limits can be useful when administrators need to constrain workloads according to resource-management policies, but overly restrictive values can prevent a VM from using otherwise available CPU capacity. Therefore, when the requirement is to establish an upper ceiling on CPU consumption, the appropriate vSphere setting is a resource limit.
Question 91
Which object represents a logical connection point for VM network adapters?
- Port group
- Datastore cluster
- Resource pool
- Storage policy
Correct Answer: 1
Explanation:
A port group provides a logical network connection point to which virtual machine network adapters can be attached. Port groups contain networking characteristics such as VLAN configuration and other applicable policies. They can exist on standard virtual switches or distributed switches. Datastore clusters organize storage resources, resource pools organize compute resources, and storage policies define storage requirements. By assigning a VM’s virtual network adapter to an appropriate port group, administrators determine which virtual network segment and associated policies the workload uses. Port groups are therefore fundamental objects in vSphere virtual networking.
Question 92
Which vSphere feature keeps related VMs on separate hosts for resilience?
- Storage Policy-Based Management
- DRS anti-affinity rule
- Host Profile
- Content Library
Correct Answer: 2
Explanation:
A DRS anti-affinity rule can be configured to keep selected virtual machines on separate ESXi hosts. This placement strategy can improve resilience when multiple VMs provide redundant components of an application because a single host failure is less likely to affect all of them simultaneously. Anti-affinity rules concern compute placement and are managed through DRS functionality. Storage Policy-Based Management focuses on storage requirements, Host Profiles standardize ESXi configuration, and Content Library manages reusable content. Therefore, an anti-affinity rule is the appropriate mechanism for encouraging separation of related workloads across hosts.
Question 93
Which protocol is commonly used for centralized authentication with vSphere?
- NTP
- LDAP
- iSCSI
- SNMP
Correct Answer: 2
Explanation:
LDAP can be used as part of centralized identity and authentication services for vSphere environments, depending on the configured identity provider and vSphere version. Centralized authentication allows administrators to manage users and groups through an external directory instead of maintaining completely independent local accounts. NTP provides time synchronization, iSCSI provides storage connectivity, and SNMP is primarily associated with monitoring and management information. Proper identity configuration also requires attention to permissions and roles because successful authentication alone does not determine what actions a user can perform within the vSphere inventory.
Question 94
What is a key advantage of a distributed switch over separate standard switches?
- Centralized network configuration across hosts
- Automatic VM backup
- Guest OS licensing
- Physical storage formatting
Correct Answer: 1
Explanation:
A vSphere Distributed Switch provides centralized management of virtual networking configuration across multiple ESXi hosts. Administrators can define networking policies and settings at the distributed-switch level rather than manually configuring equivalent settings independently on every host. This can improve consistency and simplify network administration in larger environments. A distributed switch does not provide automatic VM backups, manage guest operating-system licenses, or format physical storage. Its primary benefit is centralized and consistent virtual network management across participating hosts.
Question 95
Which component provides a virtual machine with CPU scheduling access?
- Virtual CPU
- Content Library
- NFS export
- VLAN trunk
Correct Answer: 1
Explanation:
A virtual CPU, or vCPU, represents processing capacity presented to a virtual machine by the hypervisor. ESXi schedules virtual CPU execution onto available physical processor resources according to configured resource policies and current host conditions. The number of vCPUs assigned to a VM should be selected according to workload requirements because unnecessary over-allocation can create scheduling overhead in some environments. A Content Library stores reusable content, an NFS export provides file-based storage, and a VLAN trunk carries network traffic. Therefore, the virtual CPU is the VM component directly associated with virtualized processing capacity.
Question 96
Which vSphere object can define a collection of CPU and memory privileges?
- Snapshot
- Role
- Port group
- Datastore
Correct Answer: 2
Explanation:
A role is a collection of privileges that determines what actions a user or group can perform on assigned vSphere inventory objects. Roles support authorization rather than directly allocating CPU or memory capacity. Resource pools and resource settings control compute allocation, while roles determine administrative permissions to manage those resources. A snapshot represents a point-in-time VM state, a port group manages virtual networking connections, and a datastore stores VM files. Therefore, when the requirement concerns a collection of permissions or privileges, the appropriate vSphere object is a role.
Question 97
Which operation changes the guest-visible virtual hardware configuration?
- VM hardware upgrade
- Datastore rescan
- VLAN reassignment
- Host remediation
Correct Answer: 1
Explanation:
A virtual machine hardware upgrade can update the VM’s virtual hardware version and expose supported hardware capabilities associated with that version. Depending on the vSphere release, this can enable newer virtual devices or features. Administrators should verify compatibility before performing such an upgrade because a newer virtual hardware version may not be supported on older hosts. A datastore rescan refreshes storage visibility, VLAN reassignment changes network connectivity, and host remediation addresses host configuration or lifecycle compliance. Therefore, a VM hardware upgrade is the operation that directly changes the virtual hardware capabilities presented to the guest.
Question 98
Which mechanism helps identify changes made to vSphere inventory objects?
- Events
- Thin provisioning
- VMkernel routing
- Storage multipathing
Correct Answer: 1
Explanation:
vSphere events record significant activities and changes involving inventory objects and infrastructure operations. Administrators can use event information to investigate configuration changes, administrative actions, system conditions, and other activities recorded by the platform. Events are useful for troubleshooting and auditing because they provide historical context about what occurred within the environment. Thin provisioning concerns storage allocation, VMkernel routing supports host networking, and storage multipathing provides multiple storage paths. Therefore, events are the appropriate mechanism for reviewing recorded activities associated with vSphere inventory objects.
Question 99
Which storage type commonly uses a dedicated Fibre Channel fabric?
- VMFS on Fibre Channel
- NFS datastore
- Local SATA filesystem
- SMB share
Correct Answer: 1
Explanation:
VMFS datastores can be created on block storage presented through a Fibre Channel storage fabric. In this architecture, ESXi hosts use Fibre Channel adapters and the associated fabric infrastructure to communicate with storage arrays. The storage device is presented to the host as block storage, which can then be formatted with VMFS for virtual machine workloads. NFS uses network file access, while SMB is a different file-sharing technology and local SATA storage does not require a Fibre Channel fabric. Therefore, VMFS on Fibre Channel represents the storage arrangement associated with a dedicated Fibre Channel environment.
Question 100
Which vSphere capability can migrate a powered-on VM without planned downtime?
- Storage Policy-Based Management
- vMotion
- Host Profile
- Content Library
Correct Answer: 2
Explanation:
vMotion enables the live migration of a powered-on virtual machine between compatible ESXi hosts with minimal service interruption. The VM continues running while its execution state is transferred to the destination host. vMotion is commonly used for maintenance, workload balancing, and infrastructure management without requiring an application shutdown. Storage Policy-Based Management manages storage requirements, Host Profiles standardize host configurations, and Content Library manages reusable VM content. Successful vMotion operations depend on appropriate compatibility, networking, storage access, and configuration conditions between the participating hosts.