The answer is to upgrade the legacy ESXi hosts to version 6.5 or later. This is correct because ESXi 6.0 natively supports only TLS 1.0 for management communication with vCenter Server; when you enforce TLS 1.2 on vCenter, these older hosts lack the protocol stack to negotiate a secure connection, causing them to appear disconnected. On the VMware Certified Professional Data Center Virtualization VCP-DCV exam, this scenario tests your understanding of vCenter and ESXi version dependencies for security protocols, often appearing as a trap where candidates might consider re-enabling TLS 1.0 or tweaking certificate settings—both of which violate the security mandate or fail to address the root cause. A key memory tip: think of TLS support as a feature tied to the ESXi build version, not a configurable toggle on 6.0; if the host can’t speak TLS 1.2, you must upgrade the host, not downgrade the security.
VCP-DCV vSphere Security Practice Question
This VCP-DCV practice question tests your understanding of vsphere security. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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 organization wants to secure management traffic between vCenter Server and ESXi hosts. The security policy mandates disabling all versions of TLS below 1.2. After the administrator configures vCenter to use only TLS 1.2, several ESXi hosts (all version 6.0) lose connectivity to vCenter. The hosts remain operational but show as disconnected in the vSphere Web Client. The administrator needs to restore management while maintaining the security requirement. Which action should the administrator take?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Upgrade the legacy ESXi hosts to version 6.5 or later.
Option A is correct because ESXi 6.0 only supports TLS 1.0; to use TLS 1.2, hosts must be upgraded to ESXi 6.5 or later. Option B is wrong because enabling TLS 1.0 would violate the security policy. Option C is wrong because SSH is not for vCenter management. Option D is wrong because disabling certificate verification weakens security.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Upgrade the legacy ESXi hosts to version 6.5 or later.
Why this is correct
Upgrading allows hosts to support TLS 1.2, meeting security requirements.
Related concept
Read the scenario before looking for a memorised answer.
✗
Disable certificate verification on the vCenter Server.
Why it's wrong here
Weakens security and does not address TLS version incompatibility.
✗
Use SSH to connect vCenter to the ESXi hosts for management.
Re-enable TLS 1.0 on the vCenter Server as a temporary workaround.
Why it's wrong here
Violates the security policy.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
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
Got this wrong? Here's your next step.
Identify which VCP-DCV exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
vSphere Security — This question tests vSphere Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Upgrade the legacy ESXi hosts to version 6.5 or later. — Option A is correct because ESXi 6.0 only supports TLS 1.0; to use TLS 1.2, hosts must be upgraded to ESXi 6.5 or later. Option B is wrong because enabling TLS 1.0 would violate the security policy. Option C is wrong because SSH is not for vCenter management. Option D is wrong because disabling certificate verification weakens security.
What should I do if I get this VCP-DCV question wrong?
Identify which VCP-DCV exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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