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Question 600
A campus uses role-based policy but a contractor receives the same network role as permanent staff. Which THREE steps together deliver the change, verify its effect, and reduce rollout risk? Choose THREE.
- Review MAC limits and post-authentication role enforcement for bridged devices
- Apply temporary role expiry and require a contractor sponsor
- Correct authorization mapping for contractor identity groups and attach least-privilege access
- Verify certificate revocation checking and the approved RADIUS trust policy
- Inspect RADIUS attributes, applied role and blocked employee-only sessions
- Record credential rotation and change audit requirements
Explanation
Correct Answers
B:External access must be revoked when the assignment ends. Authentication success does not prove correct authorization.
C:Different business responsibilities require different allowed services. Authentication success does not prove correct authorization.
E:Authentication success does not prove correct authorization. Different business responsibilities require different allowed services.
Incorrect Answers
A:One authenticated user should not automatically grant unrestricted service to all downstream hosts. By contrast, different business responsibilities require different allowed services.
D:A previously issued but revoked credential should not grant indefinite access. In this situation, different business responsibilities require different allowed services.
F:Secure APIs require lifecycle controls beyond initial connectivity. It would not resolve the documented symptom; external access must be revoked when the assignment ends.
Question 601
A public WLAN must limit traffic from suspected malicious endpoints without blocking the entire classroom. What should the network engineer do to address this requirement?
- Use a narrow quarantine role or security policy for the affected authenticated device
- Review MAC limits and post-authentication role enforcement for bridged devices
- Require supplicant validation of the authentic server certificate and trust anchors
- Verify certificate revocation checking and the approved RADIUS trust policy
Explanation
Correct Answer
A:Targeted containment avoids unnecessarily denying healthy users. Detection without policy application does not enforce isolation.
Incorrect Answers
B:One authenticated user should not automatically grant unrestricted service to all downstream hosts. By contrast, targeted containment avoids unnecessarily denying healthy users.
C:Client-side trust validation reduces credential capture by imitation servers. The relevant technical distinction is that targeted containment avoids unnecessarily denying healthy users.
D:A previously issued but revoked credential should not grant indefinite access. It would not resolve the documented symptom; targeted containment avoids unnecessarily denying healthy users.
Question 602
A public WLAN must limit traffic from suspected malicious endpoints without blocking the entire classroom. What should the team inspect to confirm the result?
- Confirm the device's effective role and a blocked malicious test session
- Verify deprecated insecure services are disabled and administrative sessions use secure protocols
- Compare accepted legitimate ARP and rejected spoofed frames in violation logs
- Correlate BSSID, wired attachment and security events for suspicious radios
Explanation
Correct Answer
A:Detection without policy application does not enforce isolation. Targeted containment avoids unnecessarily denying healthy users.
Incorrect Answers
B:A documented policy is not proof the old listener is closed. By contrast, detection without policy application does not enforce isolation.
C:The control should distinguish authentic bindings from forged claims. Here, however, detection without policy application does not enforce isolation.
D:Actual device evidence distinguishes authorized APs from imitators. The relevant technical distinction is that detection without policy application does not enforce isolation.
Question 603
A public WLAN must limit traffic from suspected malicious endpoints without blocking the entire classroom. Which misconception is most likely to obstruct a correct fix?
- Assume a single successful 802.1X exchange validates any downstream MAC learned later
- Disable all AP radios for the floor instead of containing the identified endpoint
- Assume 802.1X authentication automatically restricts every destination a client can reach
- Assume any radio using the corporate SSID is part of the approved WLAN
Explanation
Correct Answer
B:Broad outages can affect many legitimate students. Targeted containment avoids unnecessarily denying healthy users.
Incorrect Answers
A:A shared physical port may carry multiple hosts. In this situation, broad outages can affect many legitimate students.
C:Authentication identifies the device or user but does not define every access rule. Here, however, broad outages can affect many legitimate students.
D:SSID names are public and trivial to impersonate. The relevant technical distinction is that broad outages can affect many legitimate students.
Question 604
A public WLAN must limit traffic from suspected malicious endpoints without blocking the entire classroom. What precaution is most important before the change is expanded?
- Maintain redundant authentication infrastructure and a limited emergency-access policy
- Require explicit deny checks whenever guest roles or VLAN mappings change
- Stage profile deployment and keep an authorized recovery enrollment path
- Include a false-positive appeal and restore procedure
Explanation
Correct Answer
D:Quarantine actions must be reversible after investigation. Detection without policy application does not enforce isolation.
Incorrect Answers
A:Resilience should preserve least privilege during identity outages. It would not resolve the documented symptom; quarantine actions must be reversible after investigation.
B:A template error can expose protected systems at scale. Here, however, quarantine actions must be reversible after investigation.
C:Certificate migrations can lock out large fleets. In this situation, quarantine actions must be reversible after investigation.
Question 605
A site plans to expose an IoT management API for remote support across a campus firewall. Which TWO actions together implement the required change and verify that it works? Choose TWO.
- Require supplicant validation of the authentic server certificate and trust anchors
- Enable trusted-port DHCP snooping and monitor unauthorized offers
- Restrict API access to approved management sources and strong authentication
- Apply temporary role expiry and require a contractor sponsor
- Test allowed support access and denied access from guest networks
Explanation
Correct Answers
C:Device management interfaces are privileged targets. Both paths verify the boundary is enforced.
E:Both paths verify the boundary is enforced. Device management interfaces are privileged targets.
Incorrect Answers
A:Client-side trust validation reduces credential capture by imitation servers. In this situation, device management interfaces are privileged targets.
B:The access edge should block unapproved address services. By contrast, device management interfaces are privileged targets.
D:External access must be revoked when the assignment ends. It would not resolve the documented symptom; secure APIs require lifecycle controls beyond initial connectivity.
Question 606
A site plans to expose an IoT management API for remote support across a campus firewall. Which check most directly demonstrates the desired network behavior?
- Review EAP failure events and the presented client/server certificates
- Test allowed support access and denied access from guest networks
- Inject a controlled rogue offer and verify it is rejected while legitimate leases succeed
- Induce a controlled RADIUS timeout and inspect the assigned network role
Explanation
Correct Answer
B:Both paths verify the boundary is enforced. Device management interfaces are privileged targets.
Incorrect Answers
A:Chain or EKU errors can be distinguished from transport faults. By contrast, both paths verify the boundary is enforced.
C:Functionality and protection must both pass. The relevant technical distinction is that both paths verify the boundary is enforced.
D:Failure-mode testing reveals the real default authorization. It would not resolve the documented symptom; both paths verify the boundary is enforced.
Question 607
A site plans to expose an IoT management API for remote support across a campus firewall. Which assumption would be most misleading when investigating this situation?
- Assume membership in any directory group automatically gives the intended contractor restrictions
- Publish the API on all VLANs because the interface requires HTTPS
- Assume 802.1X authentication automatically restricts every destination a client can reach
- Trust all edge ports so no DHCP offers are ever blocked
Explanation
Correct Answer
B:Encryption does not decide who is authorized to connect. Device management interfaces are privileged targets.
Incorrect Answers
A:Group-to-role mappings must be configured and tested. The relevant technical distinction is that encryption does not decide who is authorized to connect.
C:Authentication identifies the device or user but does not define every access rule. By contrast, encryption does not decide who is authorized to connect.
D:That configuration lets a rogue server assign unsafe gateways. Here, however, encryption does not decide who is authorized to connect.
Question 608
A site plans to expose an IoT management API for remote support across a campus firewall. Which safeguard best reduces the deployment risk in this case?
- Define phone-and-PC multi-auth exceptions explicitly
- Stage profile deployment and keep an authorized recovery enrollment path
- Record credential rotation and change audit requirements
- Maintain redundant authentication infrastructure and a limited emergency-access policy
Explanation
Correct Answer
C:Secure APIs require lifecycle controls beyond initial connectivity. Both paths verify the boundary is enforced.
Incorrect Answers
A:Legitimate shared-port designs should not become open forwarding paths. In this situation, secure APIs require lifecycle controls beyond initial connectivity.
B:Certificate migrations can lock out large fleets. The relevant technical distinction is that secure APIs require lifecycle controls beyond initial connectivity.
D:Resilience should preserve least privilege during identity outages. Here, however, secure APIs require lifecycle controls beyond initial connectivity.
Question 609
A floor switch sees unexpected MAC addresses on an authenticated staff port. What is the most appropriate first technical change?
- Replace insecure administration with supported SSH/HTTPS and approved authentication
- Review MAC limits and post-authentication role enforcement for bridged devices
- Apply the approved guest isolation and deny internal subnet access at the enforcement boundary
- Enable trusted-port DHCP snooping and monitor unauthorized offers
Explanation
Correct Answer
B:One authenticated user should not automatically grant unrestricted service to all downstream hosts. Session evidence reveals unauthorized additional devices.
Incorrect Answers
A:Encrypted management channels reduce credential interception. Here, however, one authenticated user should not automatically grant unrestricted service to all downstream hosts.
C:An SSID name alone is not a security policy. In this situation, one authenticated user should not automatically grant unrestricted service to all downstream hosts.
D:The access edge should block unapproved address services. It would not resolve the documented symptom; one authenticated user should not automatically grant unrestricted service to all downstream hosts.
Question 610
A floor switch sees unexpected MAC addresses on an authenticated staff port. Which observation would best verify that the intended behavior is working?
- Review EAP failure events and the presented client/server certificates
- Compare accepted legitimate ARP and rejected spoofed frames in violation logs
- Check contract expiry, assigned role and denied internal destinations
- Inspect port authentication sessions and learned MACs after adding a test bridge
Explanation
Correct Answer
D:Session evidence reveals unauthorized additional devices. One authenticated user should not automatically grant unrestricted service to all downstream hosts.
Incorrect Answers
A:Chain or EKU errors can be distinguished from transport faults. By contrast, session evidence reveals unauthorized additional devices.
B:The control should distinguish authentic bindings from forged claims. In this situation, session evidence reveals unauthorized additional devices.
C:Authorization should disappear when the contract ends. It would not resolve the documented symptom; session evidence reveals unauthorized additional devices.
HPE Network Campus Access Professional (HPE7-A01) Practice Tests