The correct configuration is to add a vPMem device to the VM and ensure the destination host has compatible PMem capacity. This works because vMotion requires the persistent memory to be presented as a virtual persistent memory (vPMem) device rather than in hardware passthrough mode, which would break migration by tying the VM to a specific physical NVDIMM. On the VCP-DCV exam, this question tests your understanding of the critical distinction between vPMem (which supports vMotion) and hardware passthrough (which does not). A common trap is assuming any PMem configuration allows migration, but only vPMem in non-passthrough mode enables live migration to a host with compatible Intel Optane PMem. Remember the tip: “vPMem for vMotion, passthrough for isolation.”
VCP-DCV Configure and Manage vSphere Storage Practice Question
This VCP-DCV practice question tests your understanding of configure and manage vsphere storage. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An administrator is configuring persistent memory (PMem) for a critical database VM. The host has 512 GB of Intel Optane PMem. The VM must be able to vMotion while PMem is used. Which configuration meets this requirement?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Add a vPMem device to the VM and ensure the destination host has compatible PMem
vMotion with PMem requires that the PMem is presented as a vPMem (virtual persistent memory) and the destination host has compatible PMem capacity. However, vMotion of VMs with PMem is only supported if the PMem is used as a vPMem disk in non-hardware passthrough mode. Option D is correct. Option A (hardware passthrough) prevents vMotion. Option B (NVDIMM) is another term. Option C (software emulation) is not recommended.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Use NVDIMM labels and create a datastore for PMem
Why it's wrong here
NVDIMM is another term but not supported for vMotion.
✓
Add a vPMem device to the VM and ensure the destination host has compatible PMem
Why this is correct
vPMem (virtual PMem) allows vMotion between hosts with PMem capacity.
Related concept
Static NAT maps one inside address to one outside address.
✗
Configure the VM to use PMem in hardware passthrough mode
Why it's wrong here
Hardware passthrough disables vMotion.
✗
Emulate PMem using SSD-backed virtual disks
Why it's wrong here
Emulation does not provide PMem performance and still may not support vMotion.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related VCP-DCV NAT questions on configuration and troubleshooting.
Configure and Manage vSphere Storage — This question tests Configure and Manage vSphere Storage — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Add a vPMem device to the VM and ensure the destination host has compatible PMem — vMotion with PMem requires that the PMem is presented as a vPMem (virtual persistent memory) and the destination host has compatible PMem capacity. However, vMotion of VMs with PMem is only supported if the PMem is used as a vPMem disk in non-hardware passthrough mode. Option D is correct. Option A (hardware passthrough) prevents vMotion. Option B (NVDIMM) is another term. Option C (software emulation) is not recommended.
What should I do if I get this VCP-DCV question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related VCP-DCV NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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