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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 95

Question 940

A guest web portal redirects successfully but browsers report that its TLS certificate does not match the portal hostname. Which first diagnostic check is most useful before changing the network?

  1. Inspect SNMP service versions, users and monitoring session security parameters.
  2. Inspect the SSID AKM mode and actual authentication backend.
  3. Inspect management source interfaces, VRF and source ACLs.
  4. Inspect the captive portal URL, certificate SANs and TLS warning detail.

Explanation

Correct Answer

D:

This check collects evidence at the layer implicated by the symptom: the certificate identity check fails before users can safely trust the HTTPS portal. Examine the evidence before choosing the corrective change.

Incorrect Answers

A:

This would be a reasonable check when a campus exposes SNMPv2 community strings over a shared operations network despite a requirement for authenticated encrypted monitoring, but is less direct for the issue at hand: the certificate identity check fails before users can safely trust the HTTPS portal.

B:

This would be a reasonable check when a company wants enterprise WLAN admission but plans to deploy a shared WPA2 personal passphrase to every employee, but is less direct for the issue at hand: the certificate identity check fails before users can safely trust the HTTPS portal.

C:

This would be a reasonable check when a campus switch uses a production network as its management source without restricting who can initiate SSH sessions, but is less direct for the issue at hand: the certificate identity check fails before users can safely trust the HTTPS portal.

Question 941

A wireless team enables WPA3-Enterprise on a protected SSID, but users are allowed to ignore certificate-validation failures in their supplicant profiles. Which first diagnostic check is most useful before changing the network?

  1. Inspect learned MAC, endpoint classification and current security violation reason.
  2. Inspect API token privileges, access history and script secret references.
  3. Inspect client EAP server-certificate validation settings and trust failures.
  4. Inspect SNMP service versions, users and monitoring session security parameters.

Explanation

Correct Answer

C:

This check collects evidence at the layer implicated by the symptom: strong WLAN encryption does not prevent credential leakage to a rogue RADIUS server when clients ignore server certificates. Examine the evidence before choosing the corrective change.

Incorrect Answers

A:

This would be a reasonable check when an access switch detects unauthorized MAC addresses but the operator plans to disable all port controls to restore a single legitimate printer, but is less direct for the issue at hand: strong WLAN encryption does not prevent credential leakage to a rogue RADIUS server when clients ignore server certificates.

B:

This would be a reasonable check when a campus audit finds an old read-write API token embedded in a network monitoring script shared with vendors, but is less direct for the issue at hand: strong WLAN encryption does not prevent credential leakage to a rogue RADIUS server when clients ignore server certificates.

D:

This would be a reasonable check when a campus exposes SNMPv2 community strings over a shared operations network despite a requirement for authenticated encrypted monitoring, but is less direct for the issue at hand: strong WLAN encryption does not prevent credential leakage to a rogue RADIUS server when clients ignore server certificates.

Question 942

A campus switch uses a production network as its management source without restricting who can initiate SSH sessions. Which first diagnostic check is most useful before changing the network?

  1. Inspect the captive portal URL, certificate SANs and TLS warning detail.
  2. Inspect management source interfaces, VRF and source ACLs.
  3. Inspect AAA accounting logs and command attribution for the change window.
  4. Inspect client EAP server-certificate validation settings and trust failures.

Explanation

Correct Answer

B:

This check collects evidence at the layer implicated by the symptom: management exposure to ordinary client segments increases the risk of unauthorized administrative access. Examine the evidence before choosing the corrective change.

Incorrect Answers

A:

This would be a reasonable check when a guest web portal redirects successfully but browsers report that its TLS certificate does not match the portal hostname, but is less direct for the issue at hand: management exposure to ordinary client segments increases the risk of unauthorized administrative access.

C:

This would be a reasonable check when a facilities vendor uses a shared switch administrator account, and investigators cannot attribute a recent unauthorized configuration change, but is less direct for the issue at hand: management exposure to ordinary client segments increases the risk of unauthorized administrative access.

D:

This would be a reasonable check when a wireless team enables WPA3-Enterprise on a protected SSID, but users are allowed to ignore certificate-validation failures in their supplicant profiles, but is less direct for the issue at hand: management exposure to ordinary client segments increases the risk of unauthorized administrative access.

Question 943

A printer is allowed into a protected VLAN solely because its hostname matches an approved naming prefix. Which first diagnostic check is most useful before changing the network?

  1. Compare MAC, certificate and profiling attributes for the admitted endpoint.
  2. Inspect the captive portal URL, certificate SANs and TLS warning detail.
  3. Inspect effective role or ACL rules and management access attempts from the camera VLAN.
  4. Inspect contractor role attributes and effective traffic logs.

Explanation

Correct Answer

A:

This check collects evidence at the layer implicated by the symptom: hostnames are user-changeable labels and do not establish trustworthy device ownership. Examine the evidence before choosing the corrective change.

Incorrect Answers

B:

This would be a reasonable check when a guest web portal redirects successfully but browsers report that its TLS certificate does not match the portal hostname, but is less direct for the issue at hand: hostnames are user-changeable labels and do not establish trustworthy device ownership.

C:

This would be a reasonable check when an IoT camera VLAN receives full access to network management interfaces because the firewall default rule is permissive, but is less direct for the issue at hand: hostnames are user-changeable labels and do not establish trustworthy device ownership.

D:

This would be a reasonable check when a network engineer opens full access for contractors to troubleshoot one campus printer, but is less direct for the issue at hand: hostnames are user-changeable labels and do not establish trustworthy device ownership.

Question 944

A switch administrator attempts to apply a full-access policy to every authenticated wired client to simplify ticket handling. Which first diagnostic check is most useful before changing the network?

  1. Inspect applied user role, RADIUS response and actual permitted flows.
  2. Inspect SNMP service versions, users and monitoring session security parameters.
  3. Inspect client EAP server-certificate validation settings and trust failures.
  4. Inspect EAP-TLS chain-validation results and issuing CA identity.

Explanation

Correct Answer

A:

This check collects evidence at the layer implicated by the symptom: authentication confirms identity but does not justify universal authorization to all services. Examine the evidence before choosing the corrective change.

Incorrect Answers

B:

This would be a reasonable check when a campus exposes SNMPv2 community strings over a shared operations network despite a requirement for authenticated encrypted monitoring, but is less direct for the issue at hand: authentication confirms identity but does not justify universal authorization to all services.

C:

This would be a reasonable check when a wireless team enables WPA3-Enterprise on a protected SSID, but users are allowed to ignore certificate-validation failures in their supplicant profiles, but is less direct for the issue at hand: authentication confirms identity but does not justify universal authorization to all services.

D:

This would be a reasonable check when an onboarding policy accepts any device certificate even when its issuing authority is not the organization's trusted CA, but is less direct for the issue at hand: authentication confirms identity but does not justify universal authorization to all services.

Question 945

A branch firewall permits internal IoT devices to initiate sessions to the NAC administration console by a legacy broad access rule. Which first diagnostic check is most useful before changing the network?

  1. Review administrator authentication settings and recent management logins.
  2. Inspect effective role or ACL rules and management access attempts from the camera VLAN.
  3. Inspect matched firewall rules for IoT-to-NAC management requests.
  4. Inspect applied user role, RADIUS response and actual permitted flows.

Explanation

Correct Answer

C:

This check collects evidence at the layer implicated by the symptom: historic wide access rules create a direct path from low-trust endpoints to sensitive control planes. Examine the evidence before choosing the corrective change.

Incorrect Answers

A:

This would be a reasonable check when an employee access switch accepts default administrative passwords from a factory deployment image, but is less direct for the issue at hand: historic wide access rules create a direct path from low-trust endpoints to sensitive control planes.

B:

This would be a reasonable check when an IoT camera VLAN receives full access to network management interfaces because the firewall default rule is permissive, but is less direct for the issue at hand: historic wide access rules create a direct path from low-trust endpoints to sensitive control planes.

D:

This would be a reasonable check when a switch administrator attempts to apply a full-access policy to every authenticated wired client to simplify ticket handling, but is less direct for the issue at hand: historic wide access rules create a direct path from low-trust endpoints to sensitive control planes.

Question 946

A campus uses an unencrypted RADIUS configuration across a transport network where message content protection is mandated. Which first diagnostic check is most useful before changing the network?

  1. Review administrator authentication settings and recent management logins.
  2. Inspect the AAA transport type, route and encryption policy.
  3. Inspect applied user role, RADIUS response and actual permitted flows.
  4. Inspect client guest role and effective ACL hits for prohibited destinations.

Explanation

Correct Answer

B:

This check collects evidence at the layer implicated by the symptom: traditional RADIUS transport may not satisfy requirements for encrypted management traffic across untrusted links. Examine the evidence before choosing the corrective change.

Incorrect Answers

A:

This would be a reasonable check when an employee access switch accepts default administrative passwords from a factory deployment image, but is less direct for the issue at hand: traditional RADIUS transport may not satisfy requirements for encrypted management traffic across untrusted links.

C:

This would be a reasonable check when a switch administrator attempts to apply a full-access policy to every authenticated wired client to simplify ticket handling, but is less direct for the issue at hand: traditional RADIUS transport may not satisfy requirements for encrypted management traffic across untrusted links.

D:

This would be a reasonable check when a guest SSID is connected to a network that allows lateral traffic into staff database servers, but is less direct for the issue at hand: traditional RADIUS transport may not satisfy requirements for encrypted management traffic across untrusted links.

Question 947

Staff Wi-Fi clients have correct certificates but the RADIUS server cannot see authentication requests after a network ACL update. Which first diagnostic check is most useful before changing the network?

  1. Inspect server hostname resolution and live AAA target addresses.
  2. Inspect guest account status, session attributes and expiry timestamp.
  3. Inspect service selection traces and matching attributes for the failed request.
  4. Inspect RADIUS timeout logs, source addresses and UDP/TCP ACL counters as applicable.

Explanation

Correct Answer

D:

This check collects evidence at the layer implicated by the symptom: a network access rule blocks the AAA request or response path before credential validation occurs. Examine the evidence before choosing the corrective change.

Incorrect Answers

A:

This would be a reasonable check when a campus AAA deployment has two RADIUS servers, but requests continue timing out because both hostnames resolve to the same failed address, but is less direct for the issue at hand: a network access rule blocks the AAA request or response path before credential validation occurs.

B:

This would be a reasonable check when a guest sponsor approves a visitor account, but the NAC policy still maps the visitor to the expired guest role, but is less direct for the issue at hand: a network access rule blocks the AAA request or response path before credential validation occurs.

C:

This would be a reasonable check when a ClearPass service selects the wrong authentication source because a generic catch-all service rule matches before the intended EAP-TLS policy, but is less direct for the issue at hand: a network access rule blocks the AAA request or response path before credential validation occurs.

Question 948

An access switch performs 802.1X on user ports, but unauthenticated clients are placed into production VLAN by an incorrect fallback policy. Which first diagnostic check is most useful before changing the network?

  1. Inspect RADIUS Access-Accept attributes and client effective role.
  2. Inspect port-access state, fallback role and actual client policy.
  3. Compare RADIUS responses and per-switch authorization mapping.
  4. Inspect CoA request logs, source addresses and device accept/reject reason.

Explanation

Correct Answer

B:

This check collects evidence at the layer implicated by the symptom: the current fallback grants production access even without successful identity validation. Examine the evidence before choosing the corrective change.

Incorrect Answers

A:

This would be a reasonable check when an access controller accepts a staff user from RADIUS but assigns the guest role because the expected role attribute is absent, but is less direct for the issue at hand: the current fallback grants production access even without successful identity validation.

C:

This would be a reasonable check when a user moves between wired campus locations and receives inconsistent roles because one access switch uses an older enforcement dictionary, but is less direct for the issue at hand: the current fallback grants production access even without successful identity validation.

D:

This would be a reasonable check 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, but is less direct for the issue at hand: the current fallback grants production access even without successful identity validation.

Question 949

A corporate EAP-TLS enrollment works for most laptops but newly issued devices lack the required client certificate. Which first diagnostic check is most useful before changing the network?

  1. Inspect server hostname resolution and live AAA target addresses.
  2. Compare RADIUS responses and per-switch authorization mapping.
  3. Inspect supplicant certificate selection and EAP error codes.
  4. Inspect MAC authentication requests and the profile/classification returned by AAA.

Explanation

Correct Answer

C:

This check collects evidence at the layer implicated by the symptom: EAP-TLS needs a valid client credential; an empty certificate store cannot prove endpoint identity. Examine the evidence before choosing the corrective change.

Incorrect Answers

A:

This would be a reasonable check when a campus AAA deployment has two RADIUS servers, but requests continue timing out because both hostnames resolve to the same failed address, but is less direct for the issue at hand: EAP-TLS needs a valid client credential; an empty certificate store cannot prove endpoint identity.

B:

This would be a reasonable check when a user moves between wired campus locations and receives inconsistent roles because one access switch uses an older enforcement dictionary, but is less direct for the issue at hand: EAP-TLS needs a valid client credential; an empty certificate store cannot prove endpoint identity.

D:

This would be a reasonable check when a lab's headless sensors cannot run an 802.1X supplicant, and technicians propose allowing every unknown MAC to bypass access control, but is less direct for the issue at hand: EAP-TLS needs a valid client credential; an empty certificate store cannot prove endpoint identity.

Question 950

An access controller accepts a staff user from RADIUS but assigns the guest role because the expected role attribute is absent. Which first diagnostic check is most useful before changing the network?

  1. Inspect MAC authentication requests and the profile/classification returned by AAA.
  2. Inspect server hostname resolution and live AAA target addresses.
  3. Inspect certificate EKU, subject mapping and AAA rejection trace.
  4. Inspect RADIUS Access-Accept attributes and client effective role.

Explanation

Correct Answer

D:

This check collects evidence at the layer implicated by the symptom: successful authentication alone does not guarantee the intended network authorization attributes. Examine the evidence before choosing the corrective change.

Incorrect Answers

A:

This would be a reasonable check when a lab's headless sensors cannot run an 802.1X supplicant, and technicians propose allowing every unknown MAC to bypass access control, but is less direct for the issue at hand: successful authentication alone does not guarantee the intended network authorization attributes.

B:

This would be a reasonable check when a campus AAA deployment has two RADIUS servers, but requests continue timing out because both hostnames resolve to the same failed address, but is less direct for the issue at hand: successful authentication alone does not guarantee the intended network authorization attributes.

C:

This would be a reasonable check when a client presents a valid EAP-TLS certificate but its EKU or identity mapping does not meet the enterprise admission rule, but is less direct for the issue at hand: successful authentication alone does not guarantee the intended network authorization attributes.