Quick Answer
The answer is key provider services for virtual machines, as vSphere Trust Authority (vTA) leverages hardware-based attestation to verify that ESXi hosts are running genuine, untampered VMware code before granting them access to trusted cryptographic keys. This attestation process ensures that only verified hosts can interact with the key provider, which then securely delivers encryption keys to virtual machines, forming the core security feature of vTA. On the VCP-DCV exam, this concept tests your understanding of how vTA separates trust responsibilities from the cluster running workloads, often appearing as a distractor against features like vTPM or encrypted vMotion, which are separate capabilities. A common trap is confusing vTA’s attestation-based key delivery with general VM encryption—remember that vTA is about host trust verification, not the encryption itself. Memory tip: think “Attestation first, keys second” to recall that vTA’s primary role is verifying host integrity before enabling key provider services for VMs.
This VCP-DCV practice question tests your understanding of vsphere security. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
Which THREE security features are available in vSphere Trust Authority (vTA)?
Attestation of ESXi hosts
vTA attests host integrity.
Integration with Active Directory for authentication
Why wrong: vTA does not handle AD integration.
Trusted Platform Module (TPM) based attestation
vTA uses TPM for attestation.
Encryption of vMotion traffic
Why wrong: vMotion encryption is separate from vTA.
Key provider services for virtual machines
vTA acts as a key server.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Attestation of ESXi hosts
Option A is correct because vSphere Trust Authority (vTA) uses attestation to verify the integrity of ESXi hosts before allowing them to interact with trusted infrastructure. This attestation process confirms that the host is running genuine, untampered VMware code, which is a core security feature of vTA.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Attestation of ESXi hosts
Why this is correct
vTA attests host integrity.
Related concept
Read the scenario before looking for a memorised answer.
Integration with Active Directory for authentication
Why it's wrong here
vTA does not handle AD integration.
Trusted Platform Module (TPM) based attestation
Why this is correct
vTA uses TPM for attestation.
Related concept
Read the scenario before looking for a memorised answer.
Encryption of vMotion traffic
Why it's wrong here
vMotion encryption is separate from vTA.
Key provider services for virtual machines
Why this is correct
vTA acts as a key server.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse general vSphere security features (like vMotion encryption or AD integration) with vTA-specific capabilities, which are narrowly focused on attestation and key provider services.
Detailed technical explanation
vTA leverages a dedicated trust authority cluster that performs remote attestation of ESXi hosts using TPM 2.0 hardware to measure the host's boot chain and runtime integrity. Once attested, the host is granted access to Key Management Interoperability Protocol (KMIP) key providers, enabling features like virtual machine encryption and encrypted vMotion without exposing keys to untrusted hosts. This architecture decouples key management from the host being attested, providing a hardware-rooted chain of trust.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the VCP-DCV exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
vSphere Security — This question tests vSphere Security — Read the scenario before looking for a memorised answer..
The correct answer is: Attestation of ESXi hosts — Option A is correct because vSphere Trust Authority (vTA) uses attestation to verify the integrity of ESXi hosts before allowing them to interact with trusted infrastructure. This attestation process confirms that the host is running genuine, untampered VMware code, which is a core security feature of vTA.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. An organization is using vSphere Trust Authority (vTA) to secure ESXi hosts. A newly added ESXi host fails to attest with the Trust Authority. The administrator verifies that the host is connected to the vTA cluster and the trust relationship is configured. What is the most likely cause of the attestation failure?
mediumWhy D: Option D is correct. The host's TPM must be enabled and properly configured for vTA attestation. Option A is incorrect because the host can be in a different cluster as long as it's trusted. Option B is incorrect because vTA uses TPM, not vTPM. Option C is incorrect because the trusted infrastructure hosts do not require special networking beyond connectivity.
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Last reviewed: Jun 11, 2026
This VCP-DCV practice question is part of Courseiva's free VMware certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the VCP-DCV exam.
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