CS0-003 Vulnerability Management Practice Question
This CS0-003 practice question tests your understanding of vulnerability management. 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. A key principle to apply: tLS client tools can specify minimum and maximum protocol versions for negotiation.. 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.
A scanner flags TLS 1.0 on a server, but the service owner says TLS 1.0 is disabled. What is the BEST validation method? For tool configuration, Which scanner or pipeline change most directly improves result quality?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Manually test the service with a TLS client or scanner profile that negotiates protocol versions
Option D is correct because the most reliable way to validate whether TLS 1.0 is truly disabled is to perform an active, negotiated test using a TLS client (e.g., OpenSSL s_client) or a scanner profile that explicitly attempts to connect using only TLS 1.0. This bypasses any potential misconfiguration in the scanner's service detection or version negotiation logic, and directly confirms whether the server accepts a TLS 1.0 handshake. Relying solely on the scanner's banner grab or the owner's assertion can miss cases where the server still supports the protocol on certain ports or under specific cipher suites.
Key principle: TLS client tools can specify minimum and maximum protocol versions for negotiation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Change the severity to informational automatically
Why it's wrong here
Severity should reflect verified exposure, not disagreement.
✗
Delete the server from the scan scope
Why it's wrong here
Removing assets hides risk and breaks governance.
✗
Close the finding because the owner disagrees
Why it's wrong here
Owner statements need evidence before closure.
✓
Manually test the service with a TLS client or scanner profile that negotiates protocol versions
Why this is correct
Direct protocol validation determines whether TLS 1.0 is actually accepted.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
TLS client tools can specify minimum and maximum protocol versions for negotiation.
Common exam traps
Common exam trap: answer the scenario, not the keyword
CompTIA often tests the concept that scanner results must be validated through active, protocol-specific testing rather than relying on configuration assertions or passive detection, and the trap here is assuming that a service owner's claim or a scanner's default detection is sufficient without manual verification.
Detailed technical explanation
How to think about this question
TLS version negotiation occurs during the ClientHello message, where the client offers a list of supported versions and the server responds with the highest mutually supported version. A scanner that only performs a banner grab or uses a default cipher suite may not trigger a TLS 1.0 response if the server is configured to prefer higher versions, but the server might still accept a TLS 1.0 ClientHello if the configuration is incomplete (e.g., a registry key left enabled on Windows Server). Using a tool like `openssl s_client -tls1 -connect host:port` forces a TLS 1.0-only handshake, providing definitive evidence.
KKey Concepts to Remember
TLS client tools can specify minimum and maximum protocol versions for negotiation.
Manual testing provides direct, verifiable evidence of server behavior.
Automated scanner results should be validated, especially when disputed.
Disabling older TLS versions mitigates known cryptographic vulnerabilities.
TExam Day Tips
→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
TLS client tools can specify minimum and maximum protocol versions for negotiation.
Real-world example
How this comes up in practice
A developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CS0-003 question in full detail.
Review tLS client tools can specify minimum and maximum protocol versions for negotiation., then practise related CS0-003 questions on the same topic to reinforce the concept.
Vulnerability Management — This question tests Vulnerability Management — TLS client tools can specify minimum and maximum protocol versions for negotiation..
What is the correct answer to this question?
The correct answer is: Manually test the service with a TLS client or scanner profile that negotiates protocol versions — Option D is correct because the most reliable way to validate whether TLS 1.0 is truly disabled is to perform an active, negotiated test using a TLS client (e.g., OpenSSL s_client) or a scanner profile that explicitly attempts to connect using only TLS 1.0. This bypasses any potential misconfiguration in the scanner's service detection or version negotiation logic, and directly confirms whether the server accepts a TLS 1.0 handshake. Relying solely on the scanner's banner grab or the owner's assertion can miss cases where the server still supports the protocol on certain ports or under specific cipher suites.
What should I do if I get this CS0-003 question wrong?
Review tLS client tools can specify minimum and maximum protocol versions for negotiation., then practise related CS0-003 questions on the same topic to reinforce the concept.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
TLS client tools can specify minimum and maximum protocol versions for negotiation.
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