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Last Update: Nov 14, 2026

N10-009 Training Course: 240 Video Lectures

N10-009 PDF Study Guide: 128 Pages

$79.99

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CompTIA N10-009 Practice Test 51

Question 500

A network team addresses this situation: A stolen branch laptop holds cached confidential network documentation on an unencrypted SSD. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Attempt a password-only login and confirm it is rejected.
  2. Test branch technician actions against local and unrelated devices.
  3. Run an approved configuration command and inspect individual accounting records.
  4. Boot the removed drive in an isolated system without its key.

Explanation

Correct Answer

D:

Boot the removed drive in an isolated system without its key.

Incorrect Answers

A:

A second factor required proves the control. That check cannot demonstrate boot the removed drive in an isolated system without its key.

B:

Test branch technician actions against local and unrelated devices. That check cannot demonstrate boot the removed drive in an isolated system without its key.

C:

Run an approved configuration command and inspect individual accounting records. That check cannot demonstrate boot the removed drive in an isolated system without its key.

Question 501

A network specialist investigates this evidence: A stolen branch laptop holds cached confidential network documentation on an unencrypted SSD. Which underlying condition BEST explains the observed failure or requirement?

  1. Data at rest is exposed when the storage device leaves custody.
  2. Roles are not separated by job responsibility and geography.
  3. A single compromised factor is sufficient to authenticate.
  4. The presented certificate does not match the requested hostname.

Explanation

Correct Answer

A:

Data at rest is exposed when the storage device leaves custody. Storage encryption reduces disclosure from lost removable hardware.

Incorrect Answers

B:

Roles are not separated by job responsibility and geography. That does not establish data at rest is exposed when the storage device leaves custody.

C:

A single compromised factor is sufficient to authenticate. That does not establish data at rest is exposed when the storage device leaves custody.

D:

The presented certificate does not match the requested hostname. That does not establish data at rest is exposed when the storage device leaves custody.

Question 502

A network team observes: An internal HTTPS proxy issues a self-signed certificate and managed clients report an untrusted issuer. What is the MOST appropriate corrective action or technical decision?

  1. Record the vulnerability, credible threats and evidence of actual exploitation separately.
  2. Deploy an approved internal CA chain and distribute trust anchors securely.
  3. Use controlled room and rack access with visitor escort and audit logs.
  4. Integrate APs with a secured RADIUS identity service and per-user policy.

Explanation

Correct Answer

B:

PKI lets clients authenticate named servers under controlled certificate issuance. Clients lack a trusted validation path to the server certificate.

Incorrect Answers

A:

Recording the vulnerability, credible threats and evidence of actual exploitation separately would not deploy an approved internal CA chain and distribute trust anchors securely.

C:

Using controlled room and rack access with visitor escort and auditing logs would not deploy an approved internal CA chain and distribute trust anchors securely.

D:

Integrating APs with a secured RADIUS identity service and per-user policy would not deploy an approved internal CA chain and distribute trust anchors securely.

Question 503

A network team addresses this situation: An internal HTTPS proxy issues a self-signed certificate and managed clients report an untrusted issuer. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Correlate exploit telemetry and configuration findings before classifying incident status.
  2. Test a valid credential through a foreign VPN and verify other factors still apply.
  3. Connect with a trusted and an untrusted chain and compare certificate validation.
  4. Capture a session and confirm negotiated TLS without readable credentials.

Explanation

Correct Answer

C:

Accept and reject behavior proves trust evaluation.

Incorrect Answers

A:

Correlate exploit telemetry and configuration findings before classifying incident status. That check cannot demonstrate connect with a trusted and an untrusted chain and compare certificate validation.

B:

MFA enforcement independent of geography proves defense in depth. That check cannot demonstrate connect with a trusted and an untrusted chain and compare certificate validation.

D:

Capture a session and confirm negotiated TLS without readable credentials. Verification of this result involves connect with a trusted and an untrusted chain and compare certificate validation.

Question 504

A network specialist investigates this evidence: An internal HTTPS proxy issues a self-signed certificate and managed clients report an untrusted issuer. Which underlying condition BEST explains the observed failure or requirement?

  1. Vulnerability existence is being confused with observed exploitation.
  2. IT endpoints can directly reach operational technology control interfaces.
  3. Guest traffic can reach systems holding regulated payment data.
  4. Clients lack a trusted validation path to the server certificate.

Explanation

Correct Answer

D:

Clients lack a trusted validation path to the server certificate. PKI lets clients authenticate named servers under controlled certificate issuance.

Incorrect Answers

A:

Vulnerability existence is being confused with observed exploitation. That does not establish clients lack a trusted validation path to the server certificate.

B:

IT endpoints can directly reach operational technology control interfaces. That does not establish clients lack a trusted validation path to the server certificate.

C:

Guest traffic can reach systems holding regulated payment data. That does not establish clients lack a trusted validation path to the server certificate.

Question 505

A network team observes: A firewall administrator accesses management.example.com but the TLS certificate is valid only for old.example.com. What is the MOST appropriate corrective action or technical decision?

  1. Reissue or deploy a certificate with correct subject alternative names.
  2. Use role-based permissions scoped to technician duties and managed device groups.
  3. Assign read-only network roles and narrow change permissions to approved staff.
  4. Enforce authenticated HTTPS and disable cleartext management.

Explanation

Correct Answer

A:

TLS peer authentication includes checking the intended DNS identity. The presented certificate does not match the requested hostname.

Incorrect Answers

B:

Using role-based permissions scoped to technician duties and managed device groups would not address the need for reissue or deploy a certificate with correct subject alternative names.

C:

Assigning read-only network roles and narrow change permissions to approved staff would not address the need for reissue or deploy a certificate with correct subject alternative names.

D:

Enforcing authenticated HTTPS and disable cleartext management would not address the need for reissue or deploy a certificate with correct subject alternative names.

Question 506

A network team addresses this situation: A firewall administrator accesses management.example.com but the TLS certificate is valid only for old.example.com. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Test branch technician actions against local and unrelated devices.
  2. Connect using the requested name and inspect SAN validation.
  3. Attempt an unauthorized policy edit with the intern role.
  4. Capture a session and confirm negotiated TLS without readable credentials.

Explanation

Correct Answer

B:

SAN and iSCSI provide block-device access that differs from NAS file sharing.

Incorrect Answers

A:

Test branch technician actions against local and unrelated devices. That check cannot demonstrate the required block storage transport and access.

C:

Attempt an unauthorized policy edit with the intern role. That check cannot demonstrate the required block storage transport and access.

D:

Capture a session and confirm negotiated TLS without readable credentials. Verification of this result involves connect using the requested name and inspect SAN validation.

Question 507

A network specialist investigates this evidence: A firewall administrator accesses management.example.com but the TLS certificate is valid only for old.example.com. Which underlying condition BEST explains the observed failure or requirement?

  1. Roles are not separated by job responsibility and geography.
  2. Administrative roles grant permissions beyond job requirements.
  3. The presented certificate does not match the requested hostname.
  4. Management data crosses the network without channel encryption.

Explanation

Correct Answer

C:

The presented certificate does not match the requested hostname. TLS peer authentication includes checking the intended DNS identity.

Incorrect Answers

A:

Roles are not separated by job responsibility and geography. That does not establish the presented certificate does not match the requested hostname.

B:

Administrative roles grant permissions beyond job requirements. That does not establish the presented certificate does not match the requested hostname.

D:

Management data crosses the network without channel encryption. That does not establish the presented certificate does not match the requested hostname.

Question 508

A network team observes: An exposed VPN accepts only static passwords and stolen credentials have been used to connect. What is the MOST appropriate corrective action or technical decision?

  1. Treat geofencing as a supplementary context signal alongside strong authentication.
  2. Enable supported full-disk encryption with managed recovery keys.
  3. Reissue or deploy a certificate with correct subject alternative names.
  4. Require phishing-resistant MFA where supported for privileged VPN users.

Explanation

Correct Answer

D:

A single compromised factor is sufficient to authenticate.

Incorrect Answers

A:

Location alone does not prove user identity. Independent authentication factors reduce password-only exposure.

B:

Storage encryption reduces disclosure from lost removable hardware. Independent authentication factors reduce password-only exposure.

C:

TLS peer authentication includes checking the intended DNS identity. Independent authentication factors reduce password-only exposure.

Question 509

A network team addresses this situation: An exposed VPN accepts only static passwords and stolen credentials have been used to connect. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Attempt a password-only login and confirm it is rejected.
  2. Test a valid credential through a foreign VPN and verify other factors still apply.
  3. Boot the removed drive in an isolated system without its key.
  4. Revoke a test credential centrally and retry association at two APs.

Explanation

Correct Answer

A:

A second factor required proves the control.

Incorrect Answers

B:

MFA enforcement independent of geography proves defense in depth. That check cannot demonstrate attempt a password-only login and confirm it is rejected.

C:

Boot the removed drive in an isolated system without its key. Verification of this result involves attempt a password-only login and confirm it is rejected.

D:

Revoke a test credential centrally and retry association at two APs. That check cannot demonstrate attempt a password-only login and confirm it is rejected.

Question 510

A network specialist investigates this evidence: An exposed VPN accepts only static passwords and stolen credentials have been used to connect. Which underlying condition BEST explains the observed failure or requirement?

  1. Geolocation is approximate and can be evaded through tunnels.
  2. A single compromised factor is sufficient to authenticate.
  3. Data at rest is exposed when the storage device leaves custody.
  4. Physical custody is insufficient around critical devices.

Explanation

Correct Answer

B:

A single compromised factor is sufficient to authenticate. Independent authentication factors reduce password-only exposure.

Incorrect Answers

A:

Geolocation is approximate and can be evaded through tunnels. That does not establish a single compromised factor is sufficient to authenticate.

C:

Data at rest is exposed when the storage device leaves custody. That does not establish a single compromised factor is sufficient to authenticate.

D:

Physical custody is insufficient around critical devices. That does not establish a single compromised factor is sufficient to authenticate.


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