매달, 우리는 1000명 이상의 사람들이 시험 준비를 잘하고 시험을 잘 통과할 수 있도록 도와줍니다.
VMware Certified Advanced Professional - VMware Cloud Foundation Storage 온라인 연습
최종 업데이트 시간: 2026년06월04일
당신은 온라인 연습 문제를 통해 VMware 3V0-23.25 시험지식에 대해 자신이 어떻게 알고 있는지 파악한 후 시험 참가 신청 여부를 결정할 수 있다.
시험을 100% 합격하고 시험 준비 시간을 35% 절약하기를 바라며 3V0-23.25 덤프 (최신 실제 시험 문제)를 사용 선택하여 현재 최신 146개의 시험 문제와 답을 포함하십시오.
정답:
Explanation:
NFS must be used as principal storage because the hosts have no local storage available. vSAN OSA and vSAN ESA both require local storage devices on the ESX hosts to create the vSAN datastore, so neither can be selected as principal storage in this design. NVMe over RDMA is supported as a high-performance NVMe over Fabrics transport in vSphere, but in the VCF storage model it is treated as supplemental storage rather than principal storage for workload domain creation. Therefore, NVMe over RDMA cannot be the initial principal datastore used to build the Workload Domain. NFS is the valid principal storage option from the provided choices, and after the Workload Domain is created, NVMe over RDMA can be added as supplemental storage for additional performance or capacity use cases. This build order satisfies the lack of local disks, uses a supported principal storage type, and allows the NVMe over RDMA design requirement to be met after the domain exists .
Reference topics: Principal Storage, Supplemental Storage, NFS Storage Model, NVMe over RDMA, VCF Workload Domain Storage Design.
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Explanation:
With vSAN ESA and Failures to tolerate set to 1 using RAID-5/6 Erasure Coding, vSAN creates an optimized RAID-5 format based on the number of available fault domains. The documentation states that if five or fewer fault domains are available, ESA lists three components for RAID-5. This corresponds to a 2+1 erasure-coded layout, where two data components and one parity component are created. The stretched-cluster setting affects the site disaster tolerance rule, while the stated Failures to tolerate rule with erasure coding defines the local object protection method. The policy note also states that in a vSAN stretched cluster, the RAID-5/6 erasure coding failure tolerance method applies to the Site disaster tolerance setting. Given the answer choices, the ESA optimized RAID-5 component layout that matches FTT=1 erasure coding is three components. One or two components would not provide erasure-coded protection, and four components represents a generic RAID-5 fault-domain requirement rather than the ESA optimized component count shown in placement details .
Reference topics: vSAN ESA RAID-5, Failures to Tolerate, Erasure Coding, Stretched Cluster Storage Policy.
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Explanation:
A witness host for a 2-node vSAN cluster must be external to the 2-node vSAN-enabled data cluster. The witness provides quorum and must be placed outside the protected data-node pair so that it can arbitrate availability during host or site failure. If the proposed witness host resides inside the 2-node vSAN enabled cluster, it is not eligible and therefore does not appear as an available selection during the replacement workflow. Having a VMkernel adapter configured with vSAN traffic enabled is required for witness communication, so that is not the cause of the issue. Connectivity to the data hosts is also expected and does not make the witness invalid. A witness host already assigned to another 2-node vSAN cluster is not necessarily disqualified because shared witness configurations are supported within scale and sizing limits. The core eligibility issue is that the witness host cannot be a member of the same 2-node vSAN cluster that it is intended to witness .
Reference topics: 2-Node vSAN Cluster, Witness Host Placement, Replace Witness Host, Shared Witness Support.
정답:
Explanation:
VMware vSAN is the correct principal storage for both the Management Domain and the Workload Domain because it is integrated, policy-based, scalable, and managed directly through VCF and vSphere. The Management Domain requirement explicitly calls for a highly scalable integrated storage solution that does not require additional storage management software or hardware, which aligns with vSAN. The Workload Domain also requires a highly scalable, policy-based storage solution for critical application workloads, which again maps directly to vSAN storage policies and vSAN datastore services. The second workload tier requires file-based storage that can scale independently of the cluster for workloads with large data requirements. NFS v3 is supported as supplemental storage and is appropriate for adding file-based capacity without changing the principal vSAN datastore. iSCSI is supplemental only and does not meet the Management Domain principal storage requirement. NFS v4.1 is not the correct principal storage selection for the Management Domain .
Reference topics: VCF Storage Models, Principal Storage, Supplemental Storage, vSAN Storage Model, NFS Storage Model.
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Explanation:
The device has already been claimed by vSAN, so it is now part of the vSAN ESA storage pool. It must be removed from vSAN through a controlled device-removal workflow before it can be repurposed for memory tiering. The correct method is to remove the device from vSAN using Full Data Migration. This evacuation mode migrates data from the device to other eligible devices or hosts so that objects remain protected and compliant where possible. After the device is safely removed from the vSAN storage pool, it can be configured for memory tiering. Physically removing or hot-removing the device is unsafe because vSAN may still have components on it. Booting without the device is also not a supported configuration workflow. Changing disk claiming behavior and rebooting does not safely remove existing components from the already claimed device. vSAN ESA uses a storage pool model, so claimed NVMe devices contribute capacity and performance; a device intended for another purpose must be explicitly evacuated and removed before reuse .
Reference topics: vSAN ESA Storage Pools, Device Claiming, Remove Storage Pool Device, Full Data Migration, Memory Tiering.
정답:
Explanation:
The failure is host-specific because the KMS is online and reachable from the other hosts, and those hosts remain healthy with encryption enabled. In vSAN Data-at-Rest Encryption, vCenter works with the external KMS to manage the Key Encryption Key (KEK). ESX hosts use the KEK to unlock the Data Encryption Keys that protect encrypted vSAN disk data.
When a host reboots, it must retrieve the required encryption key before encrypted vSAN disk groups can be mounted. If the host’s trust relationship, certificate, or KMS identity relationship is invalid or missing, that host cannot retrieve the key, and its encrypted disk groups remain unmounted. A Deep Rekey changes encryption material but does not repair a broken host-to-KMS trust relationship. Restarting vCenter is not the required fix because other hosts are functioning normally. TPM failure is not the best explanation because the error explicitly states that retrieval from the KMS failed .
Reference topics: vSAN Data-at-Rest Encryption, External KMS Trust, Key Retrieval, Encrypted Disk Group Mounting.
정답:
Explanation:
The requirement is to alternate the primary site every six months, which requires a disaster recovery design that can reverse protection direction after failover. Inventory mappings define how resources such as compute resources, folders, networks, and datastores map between the protected and recovery sites. Using “Prepare reverse mappings” during inventory mapping creation ensures that the same mapping structure can be used when the recovery site later becomes the protected site. After a failover or planned migration succeeds, VMware Live Site Recovery uses the re-protect operation to reverse the protection relationship. This makes the formerly recovered site the new protected source and prepares replication and recovery plans for failback or for the next scheduled site rotation. A test recovery plan validates recovery without changing the primary site. Extending the network can simplify workload mobility but is not required for reprotection. Reconfiguring vSAN Data Protection manually is not the Live Site Recovery workflow for reversing protected and recovery site roles .
Reference topics: VMware Live Site Recovery, Inventory Mappings, Reverse Mappings, Recovery Plans, Reprotect.
정답:
Explanation:
The correct steps are to create an NFS export on the storage array and mount the NFS datastore on each ESX host in the cluster. NFS datastore creation begins on the storage system, where the storage administrator creates and exports the NFS volume or directory with the required access permissions for the ESX hosts. After the export exists, vSphere mounts that export as a datastore. For a clustered VCF workload domain, the datastore must be mounted consistently across all ESX hosts in the cluster so that HA, DRS, vMotion, and VM placement can operate correctly. Mounting the datastore on only one host would create inconsistent datastore accessibility and could prevent workloads from moving or restarting on other hosts. “Attach NFS as a secondary datastore” is not the correct procedural step; the datastore is created and mounted as a vSphere datastore. Configuring vSAN is irrelevant because the workload domain already uses NFS storage and the task is to add another NFS datastore .
Reference topics: NFS Datastore Creation, NFS Export, Host Accessibility, VCF Workload Domain Storage Administration.
정답:
Explanation:
Linked clone is the correct feature because the administrator needs to test a potentially destructive change without directly modifying the production VM. vSAN Data Protection uses native vSAN ESA snapshot technology to protect virtual machines through protection groups and scheduled snapshots. Beyond simple restore operations, vSAN Data Protection supports clone workflows that allow a VM to be created from a protected snapshot for development, validation, testing, or recovery use cases. A linked clone is especially appropriate because it can be created quickly from an existing snapshot while maintaining dependency on the base snapshot, avoiding the time and capacity impact of a full independent copy. Immutable snapshots protect recovery points from deletion or modification, but they do not themselves provide an isolated test VM. Multiple schedules only control snapshot timing. A protection group defines which VMs are protected. Replication is used for site-level protection and disaster recovery, not for rapidly testing a destructive change against a local production snapshot .
Reference topics: vSAN Data Protection, Snapshot Service, Protection Groups, Linked Clone from Snapshot, VM Test and Recovery Workflows.
정답:
Explanation:
The approximate expected usable capacity is 40 TB. The cluster contains six hosts, each with two 4 TB NVMe disks, giving 48 TB of raw capacity. Because the policy uses FTT=1 with RAID-5 erasure coding, vSAN provides better capacity efficiency than mirroring. RAID-5 with FTT=1 typically uses approximately 1. 33x overhead, leaving roughly 75% of raw capacity before additional reserves and data-reduction assumptions. The design also requires Host Rebuild Reservation, which reserves enough capacity to rebuild data after a host failure, and an Operational Reserve of 10% to support internal operations such as resynchronization and policy changes. The expected filesystem and object overhead of 25% further reduces available capacity, while the deduplication/compression ratio of 2 increases the effective usable capacity. After accounting for protection overhead, capacity reserves, operational overhead, and the stated data-reduction assumption, the closest expected usable value from the available choices is 40 TB .
Reference topics: vSAN Capacity Sizing, RAID-5 Erasure Coding, Deduplication and Compression, Host Rebuild Reserve, Operational Reserve.
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