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Question 660
An access port must authenticate employees through ClearPass before assigning a department VLAN. Which misconception is most likely to obstruct a correct fix?
- Give every network engineer unrestricted local super-user credentials instead of mapped roles
- Disable 802.1X globally instead of correcting the RADIUS trust relationship
- Assign all authenticated devices to one unrestricted VLAN without checking returned authorization
- Assume identical username text always produces an identical role without policy configuration
Explanation
Correct Answer
C:Authentication does not automatically mean equal network privileges. Central identity decisions can determine the client's authorized network segment.
Incorrect Answers
A:Shared broad access defeats least privilege and audit ownership. It would not resolve the documented symptom; authentication does not automatically mean equal network privileges.
B:Broad bypass trades an administrative error for widespread exposure. By contrast, authentication does not automatically mean equal network privileges.
D:Service type and NAS attributes can affect authorization rules. In this situation, authentication does not automatically mean equal network privileges.
Question 661
An access port must authenticate employees through ClearPass before assigning a department VLAN. Which TWO actions together implement the required change and verify that it works? Choose TWO.
- Align the configured shared secret and server identity on both RADIUS client and server
- Review guest expiration and log role changes
- Inspect the RADIUS accept response and effective port VLAN/role on a test employee
- Align identity policy and role-mapping intent across wired and wireless enforcement points
- Configure 802.1X on the switch with RADIUS and the approved role or VLAN attributes
Explanation
Correct Answers
C:A successful exchange is insufficient if the returned role is wrong. Central identity decisions can determine the client's authorized network segment.
E:Central identity decisions can determine the client's authorized network segment. A successful exchange is insufficient if the returned role is wrong.
Incorrect Answers
A:Mismatched authentication parameters can cause request rejection or silence. The relevant technical distinction is that central identity decisions can determine the client's authorized network segment.
B:Temporary access must not become permanent network membership. By contrast, negative authorization checks protect department separation.
D:The same user may otherwise get inconsistent access by transport. It would not resolve the documented symptom; central identity decisions can determine the client's authorized network segment.
Question 662
A corporate laptop presents valid credentials but switch access remains unauthorized after a network policy update. Which configuration decision most directly resolves the situation?
- Align the configured shared secret and server identity on both RADIUS client and server
- Check the RADIUS policy match and returned attributes along with the switch's enforcement state
- Configure a restricted failure-role or safe fail-closed behavior according to business policy
- Configure supported pre-authentication or guest/quarantine policy with a narrow onboarding service list
Explanation
Correct Answer
B:Credential acceptance can be followed by an incorrect authorization decision. Logs show whether policy or enforcement caused the denial.
Incorrect Answers
A:Mismatched authentication parameters can cause request rejection or silence. Here, however, credential acceptance can be followed by an incorrect authorization decision.
C:Loss of central identity should not become automatic privilege escalation. By contrast, credential acceptance can be followed by an incorrect authorization decision.
D:Devices can receive limited services before full identity validation without broad network access. The relevant technical distinction is that credential acceptance can be followed by an incorrect authorization decision.
Question 663
A corporate laptop presents valid credentials but switch access remains unauthorized after a network policy update. Which check most directly demonstrates the desired network behavior?
- Inspect a permitted and denied administrator command/session along with AAA logs
- Compare RADIUS accounting/authentication logs and the applied port role
- Check policy rule hits and the resulting enforced role for student and teacher test accounts
- Verify the registered printer is assigned print-only access and an unknown MAC is rejected
Explanation
Correct Answer
B:Logs show whether policy or enforcement caused the denial. Credential acceptance can be followed by an incorrect authorization decision.
Incorrect Answers
A:Login success alone does not prove command authorization. In this situation, logs show whether policy or enforcement caused the denial.
C:Comparing both categories identifies an overbroad match. Here, however, logs show whether policy or enforcement caused the denial.
D:MAC-based exceptions should not create an open guest bypass. The relevant technical distinction is that logs show whether policy or enforcement caused the denial.
Question 664
A corporate laptop presents valid credentials but switch access remains unauthorized after a network policy update. Which assumption would be most misleading when investigating this situation?
- Disable 802.1X on the entire closet to make one printer work
- Increase AP transmission power to repair a wrongly authorized user role
- Regenerate the user's password without checking that the RADIUS server already accepted the credentials
- Assume a guessed device type from a MAC prefix is always sufficient for critical authorization
Explanation
Correct Answer
C:A password change cannot repair a missing authorization mapping. Credential acceptance can be followed by an incorrect authorization decision.
Incorrect Answers
A:Global deactivation weakens access control for unrelated workstations. Here, however, a password change cannot repair a missing authorization mapping.
B:RF strength does not control directory policy selection. In this situation, a password change cannot repair a missing authorization mapping.
D:OUI heuristics can be ambiguous or stale. It would not resolve the documented symptom; a password change cannot repair a missing authorization mapping.
Question 665
A corporate laptop presents valid credentials but switch access remains unauthorized after a network policy update. Which safeguard best reduces the deployment risk in this case?
- Provide redundant RADIUS endpoints with monitored response health
- Rotate secrets in a staged manner and preserve a controlled recovery method
- Set ownership, replacement and decommission processes for the registry
- Stage role policy updates with a pilot user from every access category
Explanation
Correct Answer
D:Policy edits can affect thousands of correctly authenticated endpoints. Logs show whether policy or enforcement caused the denial.
Incorrect Answers
A:Availability improvements should not undermine access restrictions. By contrast, policy edits can affect thousands of correctly authenticated endpoints.
B:Coordinated key changes avoid campus-wide login failures. It would not resolve the documented symptom; policy edits can affect thousands of correctly authenticated endpoints.
C:Inventory drift can weaken a MAC-based control. In this situation, policy edits can affect thousands of correctly authenticated endpoints.
Question 666
An organization must grant a VoIP phone and a workstation different authorization on the same access port. What is the most appropriate first technical change?
- Use MAC authentication bypass with a restricted printer role where supported
- Configure 802.1X on the switch with RADIUS and the approved role or VLAN attributes
- Check whether the switch accepts and applies the exact VLAN/role attributes returned by RADIUS
- Use a supported multi-domain or multi-auth design with separate phone and data roles
Explanation
Correct Answer
D:Shared ports may carry devices with different identity and VLAN requirements. One port-up state cannot prove both identities are authorized correctly.
Incorrect Answers
A:Non-802.1X devices still require an accountable limited access decision. By contrast, shared ports may carry devices with different identity and VLAN requirements.
B:Central identity decisions can determine the client's authorized network segment. It would not resolve the documented symptom; shared ports may carry devices with different identity and VLAN requirements.
C:A policy may decide correctly while the NAS cannot enforce the result. The relevant technical distinction is that shared ports may carry devices with different identity and VLAN requirements.
Question 667
An organization must grant a VoIP phone and a workstation different authorization on the same access port. Which observation would best verify that the intended behavior is working?
- Check policy rule hits and the resulting enforced role for student and teacher test accounts
- Inspect authentication sessions and VLAN/role assignments for both MAC identities
- Check supplicant and RADIUS handshake errors against the full new chain
- Measure first-login time and observe RADIUS requests during primary loss
Explanation
Correct Answer
B:One port-up state cannot prove both identities are authorized correctly. Shared ports may carry devices with different identity and VLAN requirements.
Incorrect Answers
A:Comparing both categories identifies an overbroad match. Here, however, one port-up state cannot prove both identities are authorized correctly.
C:Evidence pinpoints whether client or server trust is missing. The relevant technical distinction is that one port-up state cannot prove both identities are authorized correctly.
D:Response-time evidence reveals excessive wait or broken fallback. By contrast, one port-up state cannot prove both identities are authorized correctly.
Question 668
An organization must grant a VoIP phone and a workstation different authorization on the same access port. Which belief about the configuration should the team reject?
- Assume listing two servers in configuration guarantees instant failover under every timeout
- Authenticate only the phone and assume the workstation inherits its trusted voice policy
- Assume any directory group edit instantly rewrites every active switch ACL
- Change the employee's directory password and assume the device certificate is invalidated
Explanation
Correct Answer
B:A second endpoint should not gain voice trust without policy. Shared ports may carry devices with different identity and VLAN requirements.
Incorrect Answers
A:Priorities and timers influence actual behavior. Here, however, a second endpoint should not gain voice trust without policy.
C:Existing sessions may retain the earlier authorization state. The relevant technical distinction is that a second endpoint should not gain voice trust without policy.
D:User passwords and device certificates have separate lifecycles. In this situation, a second endpoint should not gain voice trust without policy.
Question 669
An organization must grant a VoIP phone and a workstation different authorization on the same access port. What should be included in the rollout plan to limit a foreseeable failure?
- Document device loss response, certificate rotation and offline validation limits
- Provide redundant RADIUS endpoints with monitored response health
- Test phone reboot and workstation reconnect independently
- Require a controlled exception with owner approval for critical devices
Explanation
Correct Answer
C:Session changes can expose unintended role fallback. One port-up state cannot prove both identities are authorized correctly.
Incorrect Answers
A:Revocation must be operationally enforceable. Here, however, session changes can expose unintended role fallback.
B:Availability improvements should not undermine access restrictions. It would not resolve the documented symptom; session changes can expose unintended role fallback.
D:Safety-sensitive endpoints deserve reliable policy governance. In this situation, session changes can expose unintended role fallback.
Question 670
A lab has printers without 802.1X supplicants but requires controlled access to an approved print service. What should the network engineer do to address this requirement?
- Align identity policy and role-mapping intent across wired and wireless enforcement points
- Return a constrained guest role and apply the corresponding ACL or segment enforcement
- Use MAC authentication bypass with a restricted printer role where supported
- Align the configured shared secret and server identity on both RADIUS client and server
Explanation
Correct Answer
C:Non-802.1X devices still require an accountable limited access decision. MAC-based exceptions should not create an open guest bypass.
Incorrect Answers
A:The same user may otherwise get inconsistent access by transport. By contrast, non-802.1X devices still require an accountable limited access decision.
B:Authorization defines service reachability beyond mere connection success. In this situation, non-802.1X devices still require an accountable limited access decision.
D:Mismatched authentication parameters can cause request rejection or silence. It would not resolve the documented symptom; non-802.1X devices still require an accountable limited access decision.
HPE Network Campus Access Professional (HPE7-A01) Practice Tests