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Exam Code: HPE7-A01

Exam Name HPE Network Campus Access Professional

Certification Provider: HP

Corresponding Certification: HPE Aruba Networking Certified Professional - Campus Access

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HP HPE7-A01 Practice Test 76

Question 750

An access controller accepts a staff user from RADIUS but assigns the guest role because the expected role attribute is absent. Which ongoing operational safeguard best reduces the chance of recurrence?

  1. Document authorized CoA senders and shared credential management.
  2. Separate authentication from authorization in incident workflows.
  3. Test phone-plus-PC authorization with both devices and negative clients.
  4. Audit RADIUS role dictionaries after policy or server upgrades.

Explanation

Correct Answer

D:

This is a continuing control for the failure mode in which successful authentication alone does not guarantee the intended network authorization attributes. It complements the immediate fix instead of relying on a one-off correction.

Incorrect Answers

A:

That control is useful for a different failure, such as when a network operator sends RADIUS CoA to update a client's role but the switch does not accept it from the configured AAA server. It would leave the present failure mode insufficiently addressed.

B:

That control is useful for a different failure, such as when a switch shows an EAP failure but engineers alter the user's VLAN before confirming whether the supplicant completed authentication. It would leave the present failure mode insufficiently addressed.

C:

That control is useful for a different failure, such as when a wired port with both a phone and workstation grants employee access to the phone's unauthenticated identity. It would leave the present failure mode insufficiently addressed.

Question 751

A lab's headless sensors cannot run an 802.1X supplicant, and technicians propose allowing every unknown MAC to bypass access control. Which ongoing operational safeguard best reduces the chance of recurrence?

  1. Rehearse AAA failure modes and store outage policy signoffs.
  2. Validate redundancy using resolved IPs and simulated outage tests.
  3. Expire approved MAC entries and validate profiling evidence periodically.
  4. Include failed-authentication cases in every switch template acceptance test.

Explanation

Correct Answer

C:

This is a continuing control for the failure mode in which an open unknown-MAC bypass would provide uncontrolled network access beyond the required sensor class. It complements the immediate fix instead of relying on a one-off correction.

Incorrect Answers

A:

That control is useful for a different failure, such as when a remote warehouse has intermittent RADIUS reachability, and the team plans to fail open every corporate user port to restore continuity. It would leave the present failure mode insufficiently addressed.

B:

That control is useful for a different failure, such as when a campus AAA deployment has two RADIUS servers, but requests continue timing out because both hostnames resolve to the same failed address. It would leave the present failure mode insufficiently addressed.

D:

That control is useful for a different failure, such as when an access switch performs 802.1X on user ports, but unauthenticated clients are placed into production VLAN by an incorrect fallback policy. It would leave the present failure mode insufficiently addressed.

Question 752

A ClearPass service selects the wrong authentication source because a generic catch-all service rule matches before the intended EAP-TLS policy. Which ongoing operational safeguard best reduces the chance of recurrence?

  1. Test rule precedence with positive and negative authentication examples.
  2. Review sponsor approval and guest account lifecycle integrations.
  3. Include failed-authentication cases in every switch template acceptance test.
  4. Use managed AAA policy templates and version checks for access switches.

Explanation

Correct Answer

A:

This is a continuing control for the failure mode in which a broad rule takes precedence and routes requests to the wrong policy context. It complements the immediate fix instead of relying on a one-off correction.

Incorrect Answers

B:

That control is useful for a different failure, such as when a guest sponsor approves a visitor account, but the NAC policy still maps the visitor to the expired guest role. It would leave the present failure mode insufficiently addressed.

C:

That control is useful for a different failure, such as when an access switch performs 802.1X on user ports, but unauthenticated clients are placed into production VLAN by an incorrect fallback policy. It would leave the present failure mode insufficiently addressed.

D:

That control is useful for a different failure, such as when a user moves between wired campus locations and receives inconsistent roles because one access switch uses an older enforcement dictionary. It would leave the present failure mode insufficiently addressed.

Question 753

A corporate certificate was revoked, yet a connected endpoint retains network access indefinitely because no session reauthentication or revocation response occurs. Which ongoing operational safeguard best reduces the chance of recurrence?

  1. Link device provisioning completion to wired and wireless AAA readiness.
  2. Review sponsor approval and guest account lifecycle integrations.
  3. Test revocation and session lifetime policy during certificate rotations.
  4. Validate redundancy using resolved IPs and simulated outage tests.

Explanation

Correct Answer

C:

This is a continuing control for the failure mode in which initial admission is not continuously reconsidered after credential status changes. It complements the immediate fix instead of relying on a one-off correction.

Incorrect Answers

A:

That control is useful for a different failure, such as when a corporate EAP-TLS enrollment works for most laptops but newly issued devices lack the required client certificate. It would leave the present failure mode insufficiently addressed.

B:

That control is useful for a different failure, such as when a guest sponsor approves a visitor account, but the NAC policy still maps the visitor to the expired guest role. It would leave the present failure mode insufficiently addressed.

D:

That control is useful for a different failure, such as when a campus AAA deployment has two RADIUS servers, but requests continue timing out because both hostnames resolve to the same failed address. It would leave the present failure mode insufficiently addressed.

Question 754

A network operator sends RADIUS CoA to update a client's role but the switch does not accept it from the configured AAA server. Which ongoing operational safeguard best reduces the chance of recurrence?

  1. Test phone-plus-PC authorization with both devices and negative clients.
  2. Separate authentication from authorization in incident workflows.
  3. Document authorized CoA senders and shared credential management.
  4. Include failed-authentication cases in every switch template acceptance test.

Explanation

Correct Answer

C:

This is a continuing control for the failure mode in which an unauthorized or unreachable dynamic-authorization source cannot change an active client's policy. It complements the immediate fix instead of relying on a one-off correction.

Incorrect Answers

A:

That control is useful for a different failure, such as when a wired port with both a phone and workstation grants employee access to the phone's unauthenticated identity. It would leave the present failure mode insufficiently addressed.

B:

That control is useful for a different failure, such as when a switch shows an EAP failure but engineers alter the user's VLAN before confirming whether the supplicant completed authentication. It would leave the present failure mode insufficiently addressed.

D:

That control is useful for a different failure, such as when an access switch performs 802.1X on user ports, but unauthenticated clients are placed into production VLAN by an incorrect fallback policy. It would leave the present failure mode insufficiently addressed.

Question 755

A wired port with both a phone and workstation grants employee access to the phone's unauthenticated identity. Which ongoing operational safeguard best reduces the chance of recurrence?

  1. Audit RADIUS role dictionaries after policy or server upgrades.
  2. Rehearse AAA failure modes and store outage policy signoffs.
  3. Test phone-plus-PC authorization with both devices and negative clients.
  4. Use managed AAA policy templates and version checks for access switches.

Explanation

Correct Answer

C:

This is a continuing control for the failure mode in which treating all MACs on one physical port as a single authorized device can leak privilege. It complements the immediate fix instead of relying on a one-off correction.

Incorrect Answers

A:

That control is useful for a different failure, such as when an access controller accepts a staff user from RADIUS but assigns the guest role because the expected role attribute is absent. It would leave the present failure mode insufficiently addressed.

B:

That control is useful for a different failure, such as when a remote warehouse has intermittent RADIUS reachability, and the team plans to fail open every corporate user port to restore continuity. It would leave the present failure mode insufficiently addressed.

D:

That control is useful for a different failure, such as when a user moves between wired campus locations and receives inconsistent roles because one access switch uses an older enforcement dictionary. It would leave the present failure mode insufficiently addressed.

Question 756

A contractor is in the approved directory group but receives employee network privileges because role mapping ignores the account's contractor attribute. Which ongoing operational safeguard best reduces the chance of recurrence?

  1. Audit RADIUS role dictionaries after policy or server upgrades.
  2. Review sponsor approval and guest account lifecycle integrations.
  3. Include failed-authentication cases in every switch template acceptance test.
  4. Review identity group and attribute mappings after directory restructuring.

Explanation

Correct Answer

D:

This is a continuing control for the failure mode in which an authentication success mapped through an overbroad role condition grants excessive access. It complements the immediate fix instead of relying on a one-off correction.

Incorrect Answers

A:

That control is useful for a different failure, such as when an access controller accepts a staff user from RADIUS but assigns the guest role because the expected role attribute is absent. It would leave the present failure mode insufficiently addressed.

B:

That control is useful for a different failure, such as when a guest sponsor approves a visitor account, but the NAC policy still maps the visitor to the expired guest role. It would leave the present failure mode insufficiently addressed.

C:

That control is useful for a different failure, such as when an access switch performs 802.1X on user ports, but unauthenticated clients are placed into production VLAN by an incorrect fallback policy. It would leave the present failure mode insufficiently addressed.

Question 757

A remote warehouse has intermittent RADIUS reachability, and the team plans to fail open every corporate user port to restore continuity. Which ongoing operational safeguard best reduces the chance of recurrence?

  1. Test AAA transport reachability after security policy changes.
  2. Test rule precedence with positive and negative authentication examples.
  3. Validate redundancy using resolved IPs and simulated outage tests.
  4. Rehearse AAA failure modes and store outage policy signoffs.

Explanation

Correct Answer

D:

This is a continuing control for the failure mode in which a blanket fail-open decision trades an AAA outage for uncontrolled internal access. It complements the immediate fix instead of relying on a one-off correction.

Incorrect Answers

A:

That control is useful for a different failure, such as when staff Wi-Fi clients have correct certificates but the RADIUS server cannot see authentication requests after a network ACL update. It would leave the present failure mode insufficiently addressed.

B:

That control is useful for a different failure, such as when a ClearPass service selects the wrong authentication source because a generic catch-all service rule matches before the intended EAP-TLS policy. It would leave the present failure mode insufficiently addressed.

C:

That control is useful for a different failure, such as when a campus AAA deployment has two RADIUS servers, but requests continue timing out because both hostnames resolve to the same failed address. It would leave the present failure mode insufficiently addressed.

Question 758

A client presents a valid EAP-TLS certificate but its EKU or identity mapping does not meet the enterprise admission rule. Which ongoing operational safeguard best reduces the chance of recurrence?

  1. Rehearse AAA failure modes and store outage policy signoffs.
  2. Link device provisioning completion to wired and wireless AAA readiness.
  3. Document certificate profile purpose and identity rules in endpoint enrollment.
  4. Expire approved MAC entries and validate profiling evidence periodically.

Explanation

Correct Answer

C:

This is a continuing control for the failure mode in which certificate validity does not imply that its purpose and identity satisfy policy. It complements the immediate fix instead of relying on a one-off correction.

Incorrect Answers

A:

That control is useful for a different failure, such as when a remote warehouse has intermittent RADIUS reachability, and the team plans to fail open every corporate user port to restore continuity. It would leave the present failure mode insufficiently addressed.

B:

That control is useful for a different failure, such as when a corporate EAP-TLS enrollment works for most laptops but newly issued devices lack the required client certificate. It would leave the present failure mode insufficiently addressed.

D:

That control is useful for a different failure, such as when a lab's headless sensors cannot run an 802.1X supplicant, and technicians propose allowing every unknown MAC to bypass access control. It would leave the present failure mode insufficiently addressed.

Question 759

A guest sponsor approves a visitor account, but the NAC policy still maps the visitor to the expired guest role. Which ongoing operational safeguard best reduces the chance of recurrence?

  1. Include failed-authentication cases in every switch template acceptance test.
  2. Link device provisioning completion to wired and wireless AAA readiness.
  3. Validate redundancy using resolved IPs and simulated outage tests.
  4. Review sponsor approval and guest account lifecycle integrations.

Explanation

Correct Answer

D:

This is a continuing control for the failure mode in which the sponsor approval is not reflected in the effective authorization record or session. It complements the immediate fix instead of relying on a one-off correction.

Incorrect Answers

A:

That control is useful for a different failure, such as when an access switch performs 802.1X on user ports, but unauthenticated clients are placed into production VLAN by an incorrect fallback policy. It would leave the present failure mode insufficiently addressed.

B:

That control is useful for a different failure, such as when a corporate EAP-TLS enrollment works for most laptops but newly issued devices lack the required client certificate. It would leave the present failure mode insufficiently addressed.

C:

That control is useful for a different failure, such as when a campus AAA deployment has two RADIUS servers, but requests continue timing out because both hostnames resolve to the same failed address. It would leave the present failure mode insufficiently addressed.

Question 760

A campus AAA deployment has two RADIUS servers, but requests continue timing out because both hostnames resolve to the same failed address. Which ongoing operational safeguard best reduces the chance of recurrence?

  1. Validate redundancy using resolved IPs and simulated outage tests.
  2. Separate authentication from authorization in incident workflows.
  3. Link device provisioning completion to wired and wireless AAA readiness.
  4. Include failed-authentication cases in every switch template acceptance test.

Explanation

Correct Answer

A:

This is a continuing control for the failure mode in which configured redundancy is illusory when both server entries point to one unavailable destination. It complements the immediate fix instead of relying on a one-off correction.

Incorrect Answers

B:

That control is useful for a different failure, such as when a switch shows an EAP failure but engineers alter the user's VLAN before confirming whether the supplicant completed authentication. It would leave the present failure mode insufficiently addressed.

C:

That control is useful for a different failure, such as when a corporate EAP-TLS enrollment works for most laptops but newly issued devices lack the required client certificate. It would leave the present failure mode insufficiently addressed.

D:

That control is useful for a different failure, such as when an access switch performs 802.1X on user ports, but unauthenticated clients are placed into production VLAN by an incorrect fallback policy. It would leave the present failure mode insufficiently addressed.