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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 16

Question 150

An access controller accepts a staff user from RADIUS but assigns the guest role because the expected role attribute is absent. Which immediate engineering change most directly addresses this issue?

  1. Apply supported multi-domain or per-client authorization separating the voice and data devices.
  2. Correct the AAA enforcement profile to return the appropriate role assignment after verifying identity.
  3. Reorder or refine the service matching rules so the proper EAP-TLS service handles the request.
  4. Use supported reauthentication, session controls and revocation handling to terminate unauthorized access promptly.

Explanation

Correct Answer

B:

The underlying issue is that successful authentication alone does not guarantee the intended network authorization attributes. This intervention addresses that cause directly. A useful result to confirm is: the authenticated staff client receives its authorized role and access policy.

Incorrect Answers

A:

This is suited to a different condition, such as when a wired port with both a phone and workstation grants employee access to the phone's unauthenticated identity. The reported fault instead arises because successful authentication alone does not guarantee the intended network authorization attributes.

C:

This is suited to a different condition, 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. The reported fault instead arises because successful authentication alone does not guarantee the intended network authorization attributes.

D:

This is suited to a different condition, such as when a corporate certificate was revoked, yet a connected endpoint retains network access indefinitely because no session reauthentication or revocation response occurs. The reported fault instead arises because successful authentication alone does not guarantee the intended network authorization attributes.

Question 151

A lab's headless sensors cannot run an 802.1X supplicant, and technicians propose allowing every unknown MAC to bypass access control. Which immediate engineering change most directly addresses this issue?

  1. Align supported CoA server authorization and transport settings between the network device and AAA platform.
  2. Deploy the managed certificate profile before requiring enterprise EAP-TLS admission.
  3. Use a supported device-profiled MAC authentication fallback with restricted IoT authorization.
  4. Restrict the unauthenticated or failure role and map authorized clients through the approved AAA result.

Explanation

Correct Answer

C:

The underlying issue is that an open unknown-MAC bypass would provide uncontrolled network access beyond the required sensor class. This intervention addresses that cause directly. A useful result to confirm is: approved sensors receive restricted connectivity while unknown MACs remain denied.

Incorrect Answers

A:

This is suited to a different condition, 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. The reported fault instead arises because an open unknown-MAC bypass would provide uncontrolled network access beyond the required sensor class.

B:

This is suited to a different condition, such as when a corporate EAP-TLS enrollment works for most laptops but newly issued devices lack the required client certificate. The reported fault instead arises because an open unknown-MAC bypass would provide uncontrolled network access beyond the required sensor class.

D:

This is suited to a different condition, 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. The reported fault instead arises because an open unknown-MAC bypass would provide uncontrolled network access beyond the required sensor class.

Question 152

A ClearPass service selects the wrong authentication source because a generic catch-all service rule matches before the intended EAP-TLS policy. Which immediate engineering change most directly addresses this issue?

  1. Update and test the guest authorization state and its valid time window in the policy workflow.
  2. Reorder or refine the service matching rules so the proper EAP-TLS service handles the request.
  3. Deploy the managed certificate profile before requiring enterprise EAP-TLS admission.
  4. Correct the AAA enforcement profile to return the appropriate role assignment after verifying identity.

Explanation

Correct Answer

B:

The underlying issue is that a broad rule takes precedence and routes requests to the wrong policy context. This intervention addresses that cause directly. A useful result to confirm is: the request matches the intended ClearPass service and returns the expected enforcement action.

Incorrect Answers

A:

This is suited to a different condition, such as when a guest sponsor approves a visitor account, but the NAC policy still maps the visitor to the expired guest role. The reported fault instead arises because a broad rule takes precedence and routes requests to the wrong policy context.

C:

This is suited to a different condition, such as when a corporate EAP-TLS enrollment works for most laptops but newly issued devices lack the required client certificate. The reported fault instead arises because a broad rule takes precedence and routes requests to the wrong policy context.

D:

This is suited to a different condition, such as when an access controller accepts a staff user from RADIUS but assigns the guest role because the expected role attribute is absent. The reported fault instead arises because a broad rule takes precedence and routes requests to the wrong policy context.

Question 153

A corporate certificate was revoked, yet a connected endpoint retains network access indefinitely because no session reauthentication or revocation response occurs. Which immediate engineering change most directly addresses this issue?

  1. Use a supported device-profiled MAC authentication fallback with restricted IoT authorization.
  2. Reorder or refine the service matching rules so the proper EAP-TLS service handles the request.
  3. Check authentication exchange and supplicant trust status before changing VLAN authorization.
  4. Use supported reauthentication, session controls and revocation handling to terminate unauthorized access promptly.

Explanation

Correct Answer

D:

The underlying issue is that initial admission is not continuously reconsidered after credential status changes. This intervention addresses that cause directly. A useful result to confirm is: the revoked device loses access within the defined enforcement window and valid devices remain connected.

Incorrect Answers

A:

This is suited to a different condition, 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. The reported fault instead arises because initial admission is not continuously reconsidered after credential status changes.

B:

This is suited to a different condition, 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. The reported fault instead arises because initial admission is not continuously reconsidered after credential status changes.

C:

This is suited to a different condition, such as when a switch shows an EAP failure but engineers alter the user's VLAN before confirming whether the supplicant completed authentication. The reported fault instead arises because initial admission is not continuously reconsidered after credential status changes.

Question 154

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 immediate engineering change most directly addresses this issue?

  1. Restrict the unauthenticated or failure role and map authorized clients through the approved AAA result.
  2. Use supported reauthentication, session controls and revocation handling to terminate unauthorized access promptly.
  3. Update and test the guest authorization state and its valid time window in the policy workflow.
  4. Align supported CoA server authorization and transport settings between the network device and AAA platform.

Explanation

Correct Answer

D:

The underlying issue is that an unauthorized or unreachable dynamic-authorization source cannot change an active client's policy. This intervention addresses that cause directly. A useful result to confirm is: a controlled CoA changes the client's assigned role without a full manual disconnect.

Incorrect Answers

A:

This is suited to a different condition, 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. The reported fault instead arises because an unauthorized or unreachable dynamic-authorization source cannot change an active client's policy.

B:

This is suited to a different condition, such as when a corporate certificate was revoked, yet a connected endpoint retains network access indefinitely because no session reauthentication or revocation response occurs. The reported fault instead arises because an unauthorized or unreachable dynamic-authorization source cannot change an active client's policy.

C:

This is suited to a different condition, such as when a guest sponsor approves a visitor account, but the NAC policy still maps the visitor to the expired guest role. The reported fault instead arises because an unauthorized or unreachable dynamic-authorization source cannot change an active client's policy.

Question 155

A wired port with both a phone and workstation grants employee access to the phone's unauthenticated identity. Which immediate engineering change most directly addresses this issue?

  1. Apply supported multi-domain or per-client authorization separating the voice and data devices.
  2. Define a documented outage role with the minimum necessary service and use trusted AAA redundancy.
  3. Provision a certificate with approved client-authentication purpose and mapped identity attributes.
  4. Reorder or refine the service matching rules so the proper EAP-TLS service handles the request.

Explanation

Correct Answer

A:

The underlying issue is that treating all MACs on one physical port as a single authorized device can leak privilege. This intervention addresses that cause directly. A useful result to confirm is: the phone receives voice access while the PC must satisfy its own user/device policy.

Incorrect Answers

B:

This is suited to a different condition, such as when a remote warehouse has intermittent RADIUS reachability, and the team plans to fail open every corporate user port to restore continuity. The reported fault instead arises because treating all MACs on one physical port as a single authorized device can leak privilege.

C:

This is suited to a different condition, such as when a client presents a valid EAP-TLS certificate but its EKU or identity mapping does not meet the enterprise admission rule. The reported fault instead arises because treating all MACs on one physical port as a single authorized device can leak privilege.

D:

This is suited to a different condition, 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. The reported fault instead arises because treating all MACs on one physical port as a single authorized device can leak privilege.

Question 156

A contractor is in the approved directory group but receives employee network privileges because role mapping ignores the account's contractor attribute. Which immediate engineering change most directly addresses this issue?

  1. Correct the AAA enforcement profile to return the appropriate role assignment after verifying identity.
  2. Check authentication exchange and supplicant trust status before changing VLAN authorization.
  3. Apply supported multi-domain or per-client authorization separating the voice and data devices.
  4. Update authorization policy to classify contractors from trusted identity attributes.

Explanation

Correct Answer

D:

The underlying issue is that an authentication success mapped through an overbroad role condition grants excessive access. This intervention addresses that cause directly. A useful result to confirm is: contractor credentials gain only approved services while employees retain their distinct roles.

Incorrect Answers

A:

This is suited to a different condition, such as when an access controller accepts a staff user from RADIUS but assigns the guest role because the expected role attribute is absent. The reported fault instead arises because an authentication success mapped through an overbroad role condition grants excessive access.

B:

This is suited to a different condition, such as when a switch shows an EAP failure but engineers alter the user's VLAN before confirming whether the supplicant completed authentication. The reported fault instead arises because an authentication success mapped through an overbroad role condition grants excessive access.

C:

This is suited to a different condition, such as when a wired port with both a phone and workstation grants employee access to the phone's unauthenticated identity. The reported fault instead arises because an authentication success mapped through an overbroad role condition grants excessive access.

Question 157

A remote warehouse has intermittent RADIUS reachability, and the team plans to fail open every corporate user port to restore continuity. Which immediate engineering change most directly addresses this issue?

  1. Define a documented outage role with the minimum necessary service and use trusted AAA redundancy.
  2. Update authorization policy to classify contractors from trusted identity attributes.
  3. Allow the configured RADIUS transport between WLAN infrastructure and approved AAA servers.
  4. Use supported reauthentication, session controls and revocation handling to terminate unauthorized access promptly.

Explanation

Correct Answer

A:

The underlying issue is that a blanket fail-open decision trades an AAA outage for uncontrolled internal access. This intervention addresses that cause directly. A useful result to confirm is: during an AAA outage only approved limited functions continue, and normal authorization resumes afterward.

Incorrect Answers

B:

This is suited to a different condition, such as when a contractor is in the approved directory group but receives employee network privileges because role mapping ignores the account's contractor attribute. The reported fault instead arises because a blanket fail-open decision trades an AAA outage for uncontrolled internal access.

C:

This is suited to a different condition, such as when staff Wi-Fi clients have correct certificates but the RADIUS server cannot see authentication requests after a network ACL update. The reported fault instead arises because a blanket fail-open decision trades an AAA outage for uncontrolled internal access.

D:

This is suited to a different condition, such as when a corporate certificate was revoked, yet a connected endpoint retains network access indefinitely because no session reauthentication or revocation response occurs. The reported fault instead arises because a blanket fail-open decision trades an AAA outage for uncontrolled internal access.

Question 158

A client presents a valid EAP-TLS certificate but its EKU or identity mapping does not meet the enterprise admission rule. Which immediate engineering change most directly addresses this issue?

  1. Check authentication exchange and supplicant trust status before changing VLAN authorization.
  2. Provision a certificate with approved client-authentication purpose and mapped identity attributes.
  3. Allow the configured RADIUS transport between WLAN infrastructure and approved AAA servers.
  4. Define a documented outage role with the minimum necessary service and use trusted AAA redundancy.

Explanation

Correct Answer

B:

The underlying issue is that certificate validity does not imply that its purpose and identity satisfy policy. This intervention addresses that cause directly. A useful result to confirm is: the newly provisioned certificate authenticates the intended device without relaxing other policies.

Incorrect Answers

A:

This is suited to a different condition, such as when a switch shows an EAP failure but engineers alter the user's VLAN before confirming whether the supplicant completed authentication. The reported fault instead arises because certificate validity does not imply that its purpose and identity satisfy policy.

C:

This is suited to a different condition, such as when staff Wi-Fi clients have correct certificates but the RADIUS server cannot see authentication requests after a network ACL update. The reported fault instead arises because certificate validity does not imply that its purpose and identity satisfy policy.

D:

This is suited to a different condition, such as when a remote warehouse has intermittent RADIUS reachability, and the team plans to fail open every corporate user port to restore continuity. The reported fault instead arises because certificate validity does not imply that its purpose and identity satisfy policy.

Question 159

A guest sponsor approves a visitor account, but the NAC policy still maps the visitor to the expired guest role. Which immediate engineering change most directly addresses this issue?

  1. Check authentication exchange and supplicant trust status before changing VLAN authorization.
  2. Restrict the unauthenticated or failure role and map authorized clients through the approved AAA result.
  3. Align supported CoA server authorization and transport settings between the network device and AAA platform.
  4. Update and test the guest authorization state and its valid time window in the policy workflow.

Explanation

Correct Answer

D:

The underlying issue is that the sponsor approval is not reflected in the effective authorization record or session. This intervention addresses that cause directly. A useful result to confirm is: the guest receives only time-limited approved connectivity and loses it on expiry.

Incorrect Answers

A:

This is suited to a different condition, such as when a switch shows an EAP failure but engineers alter the user's VLAN before confirming whether the supplicant completed authentication. The reported fault instead arises because the sponsor approval is not reflected in the effective authorization record or session.

B:

This is suited to a different condition, 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. The reported fault instead arises because the sponsor approval is not reflected in the effective authorization record or session.

C:

This is suited to a different condition, 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. The reported fault instead arises because the sponsor approval is not reflected in the effective authorization record or session.

Question 160

A campus AAA deployment has two RADIUS servers, but requests continue timing out because both hostnames resolve to the same failed address. Which immediate engineering change most directly addresses this issue?

  1. Correct AAA server resolution or target definitions to use genuinely independent reachable endpoints.
  2. Update authorization policy to classify contractors from trusted identity attributes.
  3. Synchronize the approved AAA attribute interpretation and switch access policy across both sites.
  4. Use supported reauthentication, session controls and revocation handling to terminate unauthorized access promptly.

Explanation

Correct Answer

A:

The underlying issue is that configured redundancy is illusory when both server entries point to one unavailable destination. This intervention addresses that cause directly. A useful result to confirm is: after one server failure authentication continues through the surviving distinct endpoint.

Incorrect Answers

B:

This is suited to a different condition, such as when a contractor is in the approved directory group but receives employee network privileges because role mapping ignores the account's contractor attribute. The reported fault instead arises because configured redundancy is illusory when both server entries point to one unavailable destination.

C:

This is suited to a different condition, such as when a user moves between wired campus locations and receives inconsistent roles because one access switch uses an older enforcement dictionary. The reported fault instead arises because configured redundancy is illusory when both server entries point to one unavailable destination.

D:

This is suited to a different condition, such as when a corporate certificate was revoked, yet a connected endpoint retains network access indefinitely because no session reauthentication or revocation response occurs. The reported fault instead arises because configured redundancy is illusory when both server entries point to one unavailable destination.