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Troubleshooting practice questions

Practise VMware Certified Professional Data Center Virtualization VCP-DCV Troubleshooting practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Reviewed byJohnson Ajibi· MSc IT Security
20 questionsDomain: Troubleshooting
Practice 10 questionsBrowse domain →

What the exam tests

What to know about Troubleshooting

Troubleshooting questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common Troubleshooting exam traps

  • ▸Answering from memory before reading the full scenario.
  • ▸Missing a constraint such as cost, availability, security, scope or command context.
  • ▸Choosing a broad answer when the question asks for the most specific fix.
  • ▸Ignoring why the wrong options are tempting.

Practice set

Troubleshooting questions

20 questions · select your answer, then reveal the explanation

Question 1mediummultiple choice
Read the full Troubleshooting explanation →

A vSphere administrator is troubleshooting a VM that is experiencing excessive disk latency. The VM is on a datastore accessed via NFS over a 1GbE network. The host shows high network utilization. Which action should be taken to improve performance?

Question 2easymultiple choice
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An administrator is troubleshooting a host compliance issue in a vLCM-managed cluster with an image based on ESXi 8.0. The exhibit shows the output of 'esxcli software vib list' on a non-compliant host. Which action is most likely to resolve the compliance issue?

Exhibit

Refer to the exhibit.
```
esxcli software vib list | grep -i nmlx
nmlx5-core                     5.0.0.22-1OEM.700.0.0.12345   VMware      VMwareCertified   2023-01-01
nmlx5-rdma                     5.0.0.22-1OEM.700.0.0.12345   VMware      VMwareCertified   2023-01-01
nmlx5-en                       5.0.0.22-1OEM.700.0.0.12345   VMware      VMwareCertified   2023-01-01
```
Question 3hardmulti select
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Which TWO troubleshooting steps should an administrator take when a host fails to remediate and shows 'compliance error: host firmware mismatch' in a vLCM cluster? (Choose two.)

Question 4hardmultiple choice
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An administrator is troubleshooting a VM that is experiencing high latency on its virtual disks. The VM is connected to a vSphere datastore backed by an NFS share. The ESXi host has multiple VMkernel ports configured for NFS traffic. Which configuration change is most likely to improve storage performance?

Question 5mediummultiple choice
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A vSphere administrator is troubleshooting a VM that has been disconnected from its virtual disk. The VM's virtual disk file (vmdk) is still present on the datastore, but the VM cannot be powered on. Which step should the administrator take first to resolve the issue?

Question 6hardmulti select
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An administrator is troubleshooting a vLCM cluster that has multiple ESXi hosts with non-compliant status. The cluster uses a single image with an HSM for firmware. Which TWO actions should the administrator take to identify the root cause of non-compliance? (Choose two.)

Question 7mediummultiple choice
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An administrator is troubleshooting a VM that is running slowly. The VM has 4 vCPUs and 16 GB of memory. The host has 2 physical CPUs with 10 cores each, hyper-threading enabled. The administrator runs esxtop and sees that %RDY for the VM is consistently above 15%. Which action would most likely reduce the ready time?

Question 8mediummultiple choice
Open the full VLAN trunking answer →

A vSphere administrator is troubleshooting connectivity issues for a virtual machine on a standard switch. The VM is configured with VLAN 100, but cannot ping the default gateway. The VMkernel port on the host is on VLAN 200. The physical switch port connected to the host is configured as a trunk port allowing VLANs 100 and 200. Which action should the administrator take to resolve the issue?

Question 9easymultiple choice
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What is the purpose of the 'Export System Logs' option in vSphere Lifecycle Manager?

Question 10mediummultiple choice
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An administrator needs to capture traffic from a specific virtual machine for troubleshooting. Which vSphere networking feature should be used?

Question 11easymultiple choice
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Refer to the exhibit. The administrator is troubleshooting performance for VM 'vm2'. Based on the log, what is the performance issue?

Exhibit

Log file snippet:

2025-03-01T10:15:23.456Z cpu10:VMKB: vm2: vcpu-0: CPU ready time: 3000ms (3.0%)
2025-03-01T10:15:23.456Z cpu10:VMKB: vm2: vcpu-1: CPU ready time: 2800ms (2.8%)
2025-03-01T10:15:23.456Z cpu10:VMKB: vm2: vcpu-2: CPU ready time: 3100ms (3.1%)
2025-03-01T10:15:23.456Z cpu10:VMKB: vm2: vcpu-3: CPU ready time: 2900ms (2.9%)
Question 12hardmulti select
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An administrator is troubleshooting a VM that is running slowly. Esxtop shows the VM has high %SWPWV (swap wait). Which three conditions could cause this? (Choose three.)

Question 13mediummultiple choice
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An administrator is troubleshooting performance issues on a VMFS datastore hosting SQL Server VMs. Storage I/O Control (SIOC) is enabled, but the administrator notices that congestion is detected but no throttling is applied. What could be the reason?

Question 14hardmultiple choice
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A vSphere administrator is troubleshooting a performance issue on a VM that has high average latency on its virtual disks. The VM is stored on a VMFS datastore backed by an all-flash array. The VM has 4 vCPUs and 16GB memory. The administrator runs esxtop and sees %USEDRDY: 0.5, %MLMTD: 10, %SWPWT: 0. What is the most likely cause of the high disk latency?

Question 15easymulti select
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An administrator is troubleshooting performance issues on a vSphere cluster. Which TWO metrics should be monitored to identify CPU ready time contention?

Question 16hardmultiple choice
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An administrator is troubleshooting SSH connectivity to an ESXi host from a management workstation at 10.10.10.2. The SSH session is established, but the administrator cannot ping the host's IP 10.10.10.1. Based on the exhibit, what is the most likely cause?

Exhibit

Refer to the exhibit.

# esxcli network ip connection list | grep -E "10.10.10.1|10.10.10.2"
tcp        0      0  10.10.10.1:22            10.10.10.2:45678        ESTABLISHED  new-session
udp        0      0  10.10.10.1:123           0.0.0.0:*

# esxcli network ip route ipv4 list
Network          Netmask          Gateway          Interface
0.0.0.0          0.0.0.0          10.10.10.254     vmk0
10.10.10.0       255.255.255.0    0.0.0.0          vmk0
169.254.0.0      255.255.0.0      0.0.0.0          vmk1
Question 17hardmultiple choice
Read the full Troubleshooting explanation →

Refer to the exhibit. An administrator is troubleshooting performance issues on a vSphere host. The device is a Fibre Channel disk with a queue depth of 32. The esxtop output shows KAVG=2.5 ms and GAVG=8.2 ms. What is the most likely cause of the high GAVG?

Exhibit

esxcli storage core device list --device naa.60000970000192604336233030383333
   naa.60000970000192604336233030383333
   Display Name: DGC Fibre Channel Disk (naa.60000970000192604336233030383333)
   Size: 1024000
   Device Type: Direct-Access
   Multipath Plugin: NMP
   Console Device: /vmfs/devices/disks/naa.60000970000192604336233030383333
   Is SSD: false
   Is Local: false
   Is Boot USB Device: false
   Queue Depth: 32
   No of outstanding IOs with device: 0
   Drive Type: unknown
   Is SAS: false
   Is USB: false
   Is Local SAS: false
   Is PCIe: false
   Is NVDIMM: false
   Is TRIM enabled: false

# Performance stats from esxtop:
Device                   AQLEN  DAQLEN  KAVG   GAVG   QAVG  LAT/RD  LAT/WR
naa.6000097000019260433   32     32      2.5    8.2    10.7  12.0    8.5
Question 18mediummultiple choice
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A vSphere administrator is troubleshooting a permissions issue. A user named 'backup_admin' is a member of the AD group 'Backup Operators'. The group has been assigned a custom role at the datacenter level with the following privileges: Virtual machine > Provisioning > Create snapshot, Virtual machine > State > Create, Revert, Remove snapshot. The user can see all VMs in the 'Production' folder but cannot see VMs in the 'Development' folder, even though both folders are under the same datacenter. The administrator confirms that no other permissions exist for this user or group, and propagation is enabled. What is the most likely reason the user cannot see the Development VMs?

Question 19hardmultiple choice
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An administrator is troubleshooting a performance issue where a VM is not receiving the expected CPU resources. The VM is a member of a resource pool with a CPU Shares value of 2000. The host has two other resource pools: one with 1000 shares and another with 500 shares. All resource pools are competing for CPU. The VM's reservation is set to 2 GHz, and the host has 8 GHz available. What is the minimum CPU allocation the VM is guaranteed?

Question 20mediummultiple choice
Review the full subnetting walkthrough →

An administrator is troubleshooting an issue where a VM on a vSphere Distributed Switch cannot receive traffic from outside its subnet. The VM can send traffic out and receive replies from hosts on the same subnet. The default gateway is configured correctly. What is the most likely cause?

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Frequently asked questions

What does the VCP-DCV exam test about Troubleshooting?
Troubleshooting questions test whether you can apply the concept in context, not just recognise a definition.
How should I use these practice questions?
Select your answer before revealing the explanation. Then read why each option is right or wrong — this active recall approach builds retention far faster than re-reading notes.
Can I practise just Troubleshooting questions in a focused session?
Yes — the session launcher on this page draws every question from the Troubleshooting domain. Use a 10-question session first to gauge your baseline, then move to 20 or 30 once the weak spots are clear.
Where can I practise other VCP-DCV topics?
Use the topic links above to move to related areas, or go back to the VCP-DCV question bank to see all topics.
Are these real exam questions or dumps?
These are original practice questions written to test the same concepts the VCP-DCV exam covers. They are not copied from any real exam or dump site.