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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 52

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.

Question 511

A network team observes: Wi-Fi access points each maintain inconsistent local user lists for enterprise 802.1X access. What is the MOST appropriate corrective action or technical decision?

  1. Use role-based permissions scoped to technician duties and managed device groups.
  2. Use centralized TACACS+ administrative authentication with per-user command authorization where supported.
  3. Integrate APs with a secured RADIUS identity service and per-user policy.
  4. Deploy an approved internal CA chain and distribute trust anchors securely.

Explanation

Correct Answer

C:

RADIUS centralizes authentication and authorization accounting for access. Network access authentication is not centrally managed.

Incorrect Answers

A:

Using role-based permissions scoped to technician duties and managed device groups would not integrate APs with a secured RADIUS identity service and per-user policy.

B:

Using centralized TACACS+ administrative authentication with per-user command authorization where supported would not integrate APs with a secured RADIUS identity service and per-user policy.

D:

Deploying an approved internal CA chain and distributing trust anchors securely would not integrate APs with a secured RADIUS identity service and per-user policy.

Question 512

A network team addresses this situation: Wi-Fi access points each maintain inconsistent local user lists for enterprise 802.1X access. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Run an approved configuration command and inspect individual accounting records.
  2. Test branch technician actions against local and unrelated devices.
  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

D:

Revoke a test credential centrally and retry association at two APs.

Incorrect Answers

A:

Run an approved configuration command and inspect individual accounting records. That check cannot demonstrate revoke a test credential centrally and retry association at two APs.

B:

Test branch technician actions against local and unrelated devices. That check cannot demonstrate revoke a test credential centrally and retry association at two APs.

C:

Boot the removed drive in an isolated system without its key. Verification of this result involves revoke a test credential centrally and retry association at two APs.

Question 513

A network specialist investigates this evidence: Wi-Fi access points each maintain inconsistent local user lists for enterprise 802.1X access. Which underlying condition BEST explains the observed failure or requirement?

  1. Network access authentication is not centrally managed.
  2. Shared local logins prevent accountable command attribution.
  3. Roles are not separated by job responsibility and geography.
  4. Guest traffic can reach systems holding regulated payment data.

Explanation

Correct Answer

A:

Network access authentication is not centrally managed. RADIUS centralizes authentication and authorization accounting for access.

Incorrect Answers

B:

Shared local logins prevent accountable command attribution. That does not establish network access authentication is not centrally managed.

C:

Roles are not separated by job responsibility and geography. That does not establish network access authentication is not centrally managed.

D:

Guest traffic can reach systems holding regulated payment data. That does not establish network access authentication is not centrally managed.

Question 514

A network team observes: Core router administrative actions are not individually logged because teams share one local superuser password. What is the MOST appropriate corrective action or technical decision?

  1. Use role-based permissions scoped to technician duties and managed device groups.
  2. Use centralized TACACS+ administrative authentication with per-user command authorization where supported.
  3. Segment payment traffic and allow only necessary authorized flows under applicable PCI controls.
  4. Treat geofencing as a supplementary context signal alongside strong authentication.

Explanation

Correct Answer

B:

TACACS+ can separate administration authorization and accounting. Shared local logins prevent accountable command attribution.

Incorrect Answers

A:

Using role-based permissions scoped to technician duties and managed device groups would not meet the need for centralized TACACS+ administrative authentication with per-user command authorization where supported.

C:

Segment payment traffic and allow only necessary authorized flows under applicable PCI controls would not meet the need for centralized TACACS+ administrative authentication with per-user command authorization where supported.

D:

Treat geofencing as a supplementary context signal alongside strong authentication would not meet the need for centralized TACACS+ administrative authentication with per-user command authorization where supported.

Question 515

A network team addresses this situation: Core router administrative actions are not individually logged because teams share one local superuser password. 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. Revoke a test credential centrally and retry association at two APs.
  3. Run an approved configuration command and inspect individual accounting records.
  4. Test guest-to-cardholder denial and approved application flows.

Explanation

Correct Answer

C:

Run an approved configuration command and inspect individual accounting records.

Incorrect Answers

A:

Test branch technician actions against local and unrelated devices. It does not run an approved configuration command and inspect individual accounting records.

B:

Revoke a test credential centrally and retry association at two APs. It does not run an approved configuration command and inspect individual accounting records.

D:

Test guest-to-cardholder denial and approved application flows. It does not run an approved configuration command and inspect individual accounting records.

Question 516

A network specialist investigates this evidence: Core router administrative actions are not individually logged because teams share one local superuser password. Which underlying condition BEST explains the observed failure or requirement?

  1. Roles are not separated by job responsibility and geography.
  2. Network access authentication is not centrally managed.
  3. Guest traffic can reach systems holding regulated payment data.
  4. Shared local logins prevent accountable command attribution.

Explanation

Correct Answer

D:

Shared local logins prevent accountable command attribution. TACACS+ can separate administration authorization and accounting.

Incorrect Answers

A:

Roles are not separated by job responsibility and geography. That does not establish shared local logins prevent accountable command attribution.

B:

Network access authentication is not centrally managed. That does not establish shared local logins prevent accountable command attribution.

C:

Guest traffic can reach systems holding regulated payment data. That does not establish shared local logins prevent accountable command attribution.

Question 517

A network team observes: A network support intern can edit every datacenter firewall policy despite needing read-only diagnostics. What is the MOST appropriate corrective action or technical decision?

  1. Assign read-only network roles and narrow change permissions to approved staff.
  2. Segment payment traffic and allow only necessary authorized flows under applicable PCI controls.
  3. Enforce authenticated HTTPS and disable cleartext management.
  4. Treat geofencing as a supplementary context signal alongside strong authentication.

Explanation

Correct Answer

A:

Least privilege limits damage from mistakes or stolen credentials. Administrative roles grant permissions beyond job requirements.

Incorrect Answers

B:

Segment payment traffic and allow only necessary authorized flows under applicable PCI controls would not assign read-only network roles and narrow change permissions to approved staff.

C:

Enforcing authenticated HTTPS and disable cleartext management would not assign read-only network roles and narrow change permissions to approved staff.

D:

Treat geofencing as a supplementary context signal alongside strong authentication would not assign read-only network roles and narrow change permissions to approved staff.

Question 518

A network team addresses this situation: A network support intern can edit every datacenter firewall policy despite needing read-only diagnostics. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Test guest-to-cardholder denial and approved application flows.
  2. Attempt an unauthorized policy edit with the intern role.
  3. Connect using the requested name and inspect SAN validation.
  4. Capture a session and confirm negotiated TLS without readable credentials.

Explanation

Correct Answer

B:

Attempt an unauthorized policy edit with the intern role.

Incorrect Answers

A:

Test guest-to-cardholder denial and approved application flows. That check cannot demonstrate attempt an unauthorized policy edit with the intern role.

C:

SAN and iSCSI provide block-device access that differs from NAS file sharing. That check cannot demonstrate attempt an unauthorized policy edit with the intern role.

D:

Capture a session and confirm negotiated TLS without readable credentials. Verification of this result involves attempt an unauthorized policy edit with the intern role.

Question 519

A network specialist investigates this evidence: A network support intern can edit every datacenter firewall policy despite needing read-only diagnostics. Which underlying condition BEST explains the observed failure or requirement?

  1. Guest traffic can reach systems holding regulated payment data.
  2. The presented certificate does not match the requested hostname.
  3. Administrative roles grant permissions beyond job requirements.
  4. Management data crosses the network without channel encryption.

Explanation

Correct Answer

C:

Administrative roles grant permissions beyond job requirements. Least privilege limits damage from mistakes or stolen credentials.

Incorrect Answers

A:

Guest traffic can reach systems holding regulated payment data. That does not establish administrative roles grant permissions beyond job requirements.

B:

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

D:

Management data crosses the network without channel encryption. That does not establish administrative roles grant permissions beyond job requirements.

Question 520

A network team observes: New branch technicians inherit global firewall administrator access because all IT workers share one group. What is the MOST appropriate corrective action or technical decision?

  1. Reissue or deploy a certificate with correct subject alternative names.
  2. Use centralized TACACS+ administrative authentication with per-user command authorization where supported.
  3. Treat geofencing as a supplementary context signal alongside strong authentication.
  4. Use role-based permissions scoped to technician duties and managed device groups.

Explanation

Correct Answer

D:

RBAC maps approved functions to authorized groups. Roles are not separated by job responsibility and geography.

Incorrect Answers

A:

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

B:

Using centralized TACACS+ administrative authentication with per-user command authorization where supported would not meet the need for role-based permissions scoped to technician duties and managed device groups.

C:

Treat geofencing as a supplementary context signal alongside strong authentication would not meet the need for role-based permissions scoped to technician duties and managed device groups.


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