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HP HPE7-A01 Bundle

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 9

Question 80

At New Teaching Block, a closet uplink fails and clients wait too long for the alternate Layer 2 path. Which check provides the most useful information for fixing this deployment?

  1. Inspect FCS CRC counters optical levels and negotiated mode.
  2. Inspect authorized port VLAN DHCP DISCOVER/OFFER and relay counters.
  3. Inspect topology-change events root path role and transition timing.
  4. Inspect Access-Request policy trace and certificate-validation logs.

Explanation

Correct Answer

C:

For New Teaching Block, the decisive mechanism is STP convergence fault. STP role and root election determine the alternate Layer 2 forwarding path. Inspect topology-change events root path role and transition timing is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to Physical-link errors, where layer 1/2 corruption can degrade packets even though link status remains up In the New Teaching Block case, Those observations could be normal while the stated fault persists. The specific mechanism is sTP role and root election determine the alternate Layer 2 forwarding path

B:

This is relevant to DHCP address-acquisition failure, where network authorization and DHCP allocation are separate stages requiring their own diagnostics In the New Teaching Block case, Those observations could be normal while the stated fault persists. The specific mechanism is sTP role and root election determine the alternate Layer 2 forwarding path

D:

This is relevant to RADIUS Access-Reject root cause, where an explicit RADIUS reject can come from credential validation or authorization policy In the New Teaching Block case, Those observations could be normal while the stated fault persists. The specific mechanism is sTP role and root election determine the alternate Layer 2 forwarding path

Question 81

At Administration Block, a newly enabled MACsec interface remains down after link keys or peer policy differ. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Deploy supported 802.1AE MACsec with compatible key agreement and matching peer settings.
  2. Choose supported WPA3-Enterprise settings and validated client capability before rollout.
  3. Provide valid server certificate and appropriate client trust configuration for EAP-TLS.
  4. Establish trusted EAP-TLS client certificate chain identity policy and validity checks in ClearPass.

Explanation

Correct Answer

A:

For Administration Block, the decisive mechanism is MACsec campus link. MACsec protects Ethernet traffic at Layer 2 across an eligible link. Deploy supported 802.1AE MACsec with compatible key agreement and matching peer settings establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

B:

This is relevant to WPA3 Enterprise compatibility, where wPA3-Enterprise builds on supported enterprise security capabilities with stronger protections In the Administration Block case, Changing that neighboring feature does not implement the missing function. The specific mechanism is mACsec protects Ethernet traffic at Layer 2 across an eligible link

C:

This is relevant to EAP-TLS RADIUS server certificate, where mutual TLS requires client-side confidence in the EAP server identity In the Administration Block case, Changing that neighboring feature does not implement the missing function. The specific mechanism is mACsec protects Ethernet traffic at Layer 2 across an eligible link

D:

This is relevant to EAP-TLS client certificate validation, where eAP-TLS authenticates possession of the client certificate private key and validates trust In the Administration Block case, Changing that neighboring feature does not implement the missing function. The specific mechanism is mACsec protects Ethernet traffic at Layer 2 across an eligible link

Question 82

At North Library, a visitor role reaches restricted servers despite being assigned a guest policy. Which observation most directly isolates the likely cause before any change?

  1. Examine start interim and stop records mapped to the NAD and user.
  2. Examine certificate chain expiry dates CRL/OCSP reachability and client errors.
  3. Examine effective roles group policy and same-VLAN as well as routed flows.
  4. Examine ClearPass policy result RADIUS attributes and effective network client role.

Explanation

Correct Answer

D:

For North Library, the decisive mechanism is ClearPass role-based enforcement. ClearPass decides authorization outcomes while network devices enforce assigned policy. Inspect ClearPass policy result RADIUS attributes and effective network client role is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to RADIUS accounting traceability, where authentication and accounting provide different information and require separate configuration In the North Library case, Those observations could be normal while the stated fault persists. The specific mechanism is clearPass decides authorization outcomes while network devices enforce assigned policy

B:

This is relevant to Certificate renewal workflow, where authentication availability depends on valid certificate lifecycle at both ends In the North Library case, Those observations could be normal while the stated fault persists. The specific mechanism is clearPass decides authorization outcomes while network devices enforce assigned policy

C:

This is relevant to Campus microsegmentation, where role-based segmentation can limit lateral flows beyond simple VLAN separation In the North Library case, Those observations could be normal while the stated fault persists. The specific mechanism is clearPass decides authorization outcomes while network devices enforce assigned policy

Question 83

At Learning Commons, a campus SSID has acceptable RF but slow 802.1X exchanges at every AP move. What should be examined to confirm the actual failure mechanism?

  1. Examine FT authentication exchanges roam times and client compatibility.
  2. Examine portal redirect RADIUS or guest authorization events and the effective client role.
  3. Examine surveyed RSSI SNR channel use and roaming measurements at user positions.
  4. Cross-check spatial signal maps channel overlap and client roaming behavior.

Explanation

Correct Answer

A:

For Learning Commons, the decisive mechanism is 802.11r fast transition. 802.11r enables fast BSS transition to shorten supported reauthentication during roaming. Inspect FT authentication exchanges roam times and client compatibility is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

B:

This is relevant to Guest portal and role, where captive portal authentication and post-login role enforcement are separate controls In the Learning Commons case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.11r enables fast BSS transition to shorten supported reauthentication during roaming

C:

This is relevant to RF predictive versus active survey, where predictive RF planning does not replace measured real-world attenuation and utilization In the Learning Commons case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.11r enables fast BSS transition to shorten supported reauthentication during roaming

D:

This is relevant to AP power and cell geometry, where aP placement and transmit power affect cell coverage and roaming boundaries In the Learning Commons case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.11r enables fast BSS transition to shorten supported reauthentication during roaming

Question 84

At Learning Commons, a handheld shows strong signal but high retry rate beside machinery at lunch hour. What targeted evidence should the network engineer collect first?

  1. Inspect client effective VLAN AP forward mode tagged frames and DHCP lease.
  2. Compare noise-floor spectral activity and per-client retry rates.
  3. Inspect FCS CRC counters optical levels and negotiated mode.
  4. Inspect routing table next-hop ARP and return-path filters hop by hop.

Explanation

Correct Answer

B:

For Learning Commons, the decisive mechanism is Low SNR wireless retries. Signal strength without a noise context cannot establish usable WLAN quality. Compare noise-floor spectral activity and per-client retry rates is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to Wrong VLAN mapping, where wLAN-to-wired mapping errors can appear as a DHCP or authorization defect In the Learning Commons case, Those observations could be normal while the stated fault persists. The specific mechanism is signal strength without a noise context cannot establish usable WLAN quality

C:

This is relevant to Physical-link errors, where layer 1/2 corruption can degrade packets even though link status remains up In the Learning Commons case, Those observations could be normal while the stated fault persists. The specific mechanism is signal strength without a noise context cannot establish usable WLAN quality

D:

This is relevant to Routed blackhole, where route presence alone does not prove usable bidirectional forwarding In the Learning Commons case, Those observations could be normal while the stated fault persists. The specific mechanism is signal strength without a noise context cannot establish usable WLAN quality

Question 85

At Engineering Tower, a campus branch configured an application route through a decommissioned firewall interface. Which AOS-CX or Aruba networking design choice resolves this specific dependency?

  1. Activate matching OSPFv3 area/interface settings with valid IPv6 transport reachability.
  2. Install a valid static route with a resolvable next hop and appropriate administrative distance.
  3. Apply supported VRFs and explicit approved import/export or transit policy for any crossing.
  4. Ensure relay source and server return routing permit both directions of the DHCP exchange.

Explanation

Correct Answer

B:

For Engineering Tower, the decisive mechanism is Static route next hop. A static route only forwards as intended when its next hop can be resolved. Install a valid static route with a resolvable next hop and appropriate administrative distance establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to IPv6 OSPFv3 adjacency, where oSPFv3 exchanges IPv6 routing information through a separately configured protocol process In the Engineering Tower case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a static route only forwards as intended when its next hop can be resolved

C:

This is relevant to VRF segmentation routing, where vRFs maintain separate forwarding and routing instances on supported devices In the Engineering Tower case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a static route only forwards as intended when its next hop can be resolved

D:

This is relevant to DHCP relay return routing, where dHCP relay requires a valid return path to the relay address and client network In the Engineering Tower case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a static route only forwards as intended when its next hop can be resolved

Question 86

At Arts Pavilion, overlapping Wi-Fi 6 cells suffer contention even with distinguishable neighboring BSS colors. What measured or witnessed result should be required before signoff?

  1. Observe lower airtime contention and stable throughput during concurrent client use.
  2. Confirm coverage and capacity with representative real devices and occupancy.
  3. Confirm cleaner adjacent-channel use and fewer retransmissions after channel change.
  4. Verify improved throughput without harming weak edge clients.

Explanation

Correct Answer

D:

For Arts Pavilion, the decisive mechanism is BSS coloring and spatial reuse. 802.11ax BSS coloring assists differentiation of overlapping transmissions under constraints. Verify improved throughput without harming weak edge clients supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to Co-channel contention, where co-channel APs share contention airtime even if their signals are individually strong In the Arts Pavilion case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is 802.11ax BSS coloring assists differentiation of overlapping transmissions under constraints

B:

This is relevant to RF predictive versus active survey, where predictive RF planning does not replace measured real-world attenuation and utilization In the Arts Pavilion case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is 802.11ax BSS coloring assists differentiation of overlapping transmissions under constraints

C:

This is relevant to Adjacent-channel overlap, where adjacent-channel overlap can corrupt transmissions without the coordination of co-channel sharing In the Arts Pavilion case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is 802.11ax BSS coloring assists differentiation of overlapping transmissions under constraints

Question 87

At Research Hub, a guest WLAN client receives an employee-network IP address after SSID mapping changes. Which TWO responses together provide a direct implementation and a continuing safeguard for the stated risk? Select TWO answers.

  1. Avoid bypassing AAA simply because DHCP is failing.
  2. Examine optics cabling transceiver support and duplex/speed at both ends before changing routes.
  3. Keep a source-controlled VLAN matrix for AP groups and switch closets.
  4. Correct SSID-to-VLAN and switch trunk membership for the intended segment.

Explanation

Correct Answers

C:

This is the continuing risk-control element for Research Hub. Keep a source-controlled VLAN matrix for AP groups and switch closets prevents a future regression or unauthorized relaxation of the repair; it complements, rather than replaces, the implementation.

D:

This is the implementation element for the Research Hub case: WLAN-to-wired mapping errors can appear as a DHCP or authorization defect. The specific action Correct SSID-to-VLAN and switch trunk membership for the intended segment addresses the stated fault; the question also requires a persistent risk control.

Incorrect Answers

A:

This may be an ongoing precaution for DHCP address-acquisition failure: Network authorization and DHCP allocation are separate stages requiring their own diagnostics. It does not resolve the Wrong VLAN mapping requirement in Research Hub and is not one of the two controls requested. The direct mechanism here is wLAN-to-wired mapping errors can appear as a DHCP or authorization defect

B:

This may be a configuration step for Physical-link errors: Layer 1/2 corruption can degrade packets even though link status remains up. It does not resolve the Wrong VLAN mapping requirement in Research Hub and is not one of the two controls requested. The direct mechanism here is wLAN-to-wired mapping errors can appear as a DHCP or authorization defect

Question 88

At Administration Block, a newly enabled MACsec interface remains down after link keys or peer policy differ. What safety boundary prevents the same campus failure in future deployments?

  1. Plan tested transition for legacy devices without weakening all WLANs.
  2. Secure CA trust and plan certificate renewal before deployment deadlines.
  3. Manage key rotation and interoperability without leaving a silent unencrypted fallback.
  4. Never direct users to blindly accept arbitrary authentication server certificates.

Explanation

Correct Answer

C:

For Administration Block, the decisive mechanism is MACsec campus link. MACsec protects Ethernet traffic at Layer 2 across an eligible link. Manage key rotation and interoperability without leaving a silent unencrypted fallback is an enduring limitation on the operational risk, not simply a one-time passing test.

Incorrect Answers

A:

This is relevant to WPA3 Enterprise compatibility, where wPA3-Enterprise builds on supported enterprise security capabilities with stronger protections In the Administration Block case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is mACsec protects Ethernet traffic at Layer 2 across an eligible link

B:

This is relevant to EAP-TLS client certificate validation, where eAP-TLS authenticates possession of the client certificate private key and validates trust In the Administration Block case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is mACsec protects Ethernet traffic at Layer 2 across an eligible link

D:

This is relevant to EAP-TLS RADIUS server certificate, where mutual TLS requires client-side confidence in the EAP server identity In the Administration Block case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is mACsec protects Ethernet traffic at Layer 2 across an eligible link

Question 89

At Learning Commons, a newly deployed employee switchport is connected but a laptop stays in an unauthorized port state. Which configuration change best fits the network requirement and observed behavior?

  1. Use supported administrative AAA command roles and TACACS+ where appropriate.
  2. Tune supported reauthentication and EAP timers based on measured client/server behavior.
  3. Enable supported 802.1X authenticator and approved ClearPass RADIUS profiles on the switchport.
  4. Enable appropriate RADIUS start/interim/stop accounting to the approved server.

Explanation

Correct Answer

C:

For Learning Commons, the decisive mechanism is Wired 802.1X port access. 802.1X authorizes port traffic through EAPOL and the authentication server decision. Enable supported 802.1X authenticator and approved ClearPass RADIUS profiles on the switchport establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to TACACS+ admin AAA distinction, where administrative command authorization and client-port 802.1X solve different AAA problems In the Learning Commons case, Changing that neighboring feature does not implement the missing function. The specific mechanism is 802.1X authorizes port traffic through EAPOL and the authentication server decision

B:

This is relevant to Supplicant reauthentication intervals, where wired reauthentication intervals can affect session continuity if handshake timing is inadequate In the Learning Commons case, Changing that neighboring feature does not implement the missing function. The specific mechanism is 802.1X authorizes port traffic through EAPOL and the authentication server decision

D:

This is relevant to RADIUS accounting for audit, where aAA accounting tracks session use separately from authentication and authorization In the Learning Commons case, Changing that neighboring feature does not implement the missing function. The specific mechanism is 802.1X authorizes port traffic through EAPOL and the authentication server decision

Question 90

At Arts Pavilion, a desk phone authenticates successfully but blocks its downstream workstation. Which AOS-CX or Aruba networking design choice resolves this specific dependency?

  1. Enable supported 802.1X authenticator and approved ClearPass RADIUS profiles on the switchport.
  2. Configure appropriate RADIUS failover and tested timeout/retry settings.
  3. Use supported multi-domain or client-based 802.1X mode for approved voice and data endpoints.
  4. Return supported VLAN or role attributes that match network enforcement configuration.

Explanation

Correct Answer

C:

For Arts Pavilion, the decisive mechanism is Phone and PC multi-domain. Multi-domain wired access can maintain distinct voice and user authorization sessions. Use supported multi-domain or client-based 802.1X mode for approved voice and data endpoints establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to Wired 802.1X port access, where 802.1X authorizes port traffic through EAPOL and the authentication server decision In the Arts Pavilion case, Changing that neighboring feature does not implement the missing function. The specific mechanism is multi-domain wired access can maintain distinct voice and user authorization sessions

B:

This is relevant to RADIUS authorization timeout, where authentication server reachability and retry order influence network-admission decisions In the Arts Pavilion case, Changing that neighboring feature does not implement the missing function. The specific mechanism is multi-domain wired access can maintain distinct voice and user authorization sessions

D:

This is relevant to ClearPass enforcement attributes, where an Access-Accept alone does not guarantee the intended authorization role was applied In the Arts Pavilion case, Changing that neighboring feature does not implement the missing function. The specific mechanism is multi-domain wired access can maintain distinct voice and user authorization sessions