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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 83

Question 820

At Lakeside Classroom, a print-server connection runs at 100 Mb/s though both devices support 1 Gb/s and auto-negotiation was disabled at one end. What safety boundary prevents the same campus failure in future deployments?

  1. Retain RADIUS failover and a defined restricted fallback for the expected device class.
  2. Preserve approved transceiver and link-setting baselines for any future port migration.
  3. Record VLAN allowlists and avoid a global all-VLAN trunk as a shortcut.
  4. Change WLAN capability requirements in a tested pilot rather than disabling security campus-wide.

Explanation

Correct Answer

B:

For Lakeside Classroom, the decisive mechanism is Ethernet negotiation and duplex. 802.3 physical link negotiation precedes Layer 2 and Layer 3 service validation. Preserve approved transceiver and link-setting baselines for any future port migration is an enduring limitation on the operational risk, not simply a one-time passing test.

Incorrect Answers

A:

This is relevant to 802.1X EAPOL versus IP service, where 802.1X is port-based access control; IP configuration occurs after network admission In the Lakeside Classroom case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is 802.3 physical link negotiation precedes Layer 2 and Layer 3 service validation

C:

This is relevant to 802.1Q VLAN tagging, where 802.1Q tagging preserves logical broadcast-domain identity over shared Ethernet links In the Lakeside Classroom case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is 802.3 physical link negotiation precedes Layer 2 and Layer 3 service validation

D:

This is relevant to 802.11 association sequence, where 802.11 discovery and association occur before user traffic can be successfully forwarded In the Lakeside Classroom case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is 802.3 physical link negotiation precedes Layer 2 and Layer 3 service validation

Question 821

At East Student Center, a distribution policy blocks return traffic after a stateless ACL is attached to the wrong SVI direction. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Apply the appropriate permit/deny order and direction on the data-path interface.
  2. Synchronize native VLAN configuration and avoid using native VLAN for untrusted access where possible.
  3. Establish the switchport as an access member of the correct VLAN with matching policy.
  4. Permit required tagged VLANs on both trunk interfaces while restricting unnecessary VLANs.

Explanation

Correct Answer

A:

For East Student Center, the decisive mechanism is ACL direction and interface. Stateless ACL effectiveness depends on interface attachment direction and rule order. Apply the appropriate permit/deny order and direction on the data-path interface establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

B:

This is relevant to Native VLAN mismatch, where a native VLAN defines forwarding for untagged frames on a VLAN-aware trunk In the East Student Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is stateless ACL effectiveness depends on interface attachment direction and rule order

C:

This is relevant to Access VLAN classification, where an access port carries untagged frames in one configured access VLAN In the East Student Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is stateless ACL effectiveness depends on interface attachment direction and rule order

D:

This is relevant to Tagged trunk allowlist, where a VLAN trunk forwards only permitted tagged VLANs and its native VLAN according to configuration In the East Student Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is stateless ACL effectiveness depends on interface attachment direction and rule order

Question 822

At North Library, a central operations dashboard alerts on a retired site but not the production group. Which TWO responses together provide a direct implementation and a continuing safeguard for the stated risk? Select TWO answers.

  1. Review noisy rules periodically without disabling important fault evidence.
  2. Treat cumulative counters as rates over time rather than interpreting raw lifetime totals.
  3. Set up complementary UXI internal service and external Internet tests.
  4. Tune authorized Central alert scope severity and target inventory membership.

Explanation

Correct Answers

A:

This is the continuing risk-control element for North Library. Review noisy rules periodically without disabling important fault evidence 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 North Library case: A management alert must be scoped to the correct managed devices and policy. The specific action Tune authorized Central alert scope severity and target inventory membership addresses the stated fault; the question also requires a persistent risk control.

Incorrect Answers

B:

This may be an ongoing precaution for Switch telemetry counters: Interface counters help distinguish physical corruption from congestion drops. It does not resolve the Central alert scope requirement in North Library and is not one of the two controls requested. The direct mechanism here is a management alert must be scoped to the correct managed devices and policy

C:

This may be a configuration step for UXI internal and external tests: Internal and external synthetic tests isolate distinct service paths and failure domains. It does not resolve the Central alert scope requirement in North Library and is not one of the two controls requested. The direct mechanism here is a management alert must be scoped to the correct managed devices and policy

Question 823

At Medical Annex, a camera on a newly patched switchport obtains an office-user address from the wrong VLAN. How should the engineer validate success against the stated requirement?

  1. Demonstrate the phone uses the voice VLAN while the PC remains in the data VLAN.
  2. Run controlled large-payload tests and confirm reliable path MTU behavior.
  3. See device traffic only in its assigned broadcast domain and expected address scope.
  4. Permit a specifically authorized app and block the matching forbidden traffic.

Explanation

Correct Answer

C:

For Medical Annex, the decisive mechanism is Access VLAN classification. An access port carries untagged frames in one configured access VLAN. See device traffic only in its assigned broadcast domain and expected address scope supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to Voice VLAN LLDP-MED, where lLDP-MED can advertise voice-network attributes while the switch enforces separate VLAN policies In the Medical Annex case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is an access port carries untagged frames in one configured access VLAN

B:

This is relevant to End-to-end MTU and frames, where a path's effective MTU is limited by the smallest supported segment and encapsulation overhead In the Medical Annex case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is an access port carries untagged frames in one configured access VLAN

D:

This is relevant to ACL direction and interface, where stateless ACL effectiveness depends on interface attachment direction and rule order In the Medical Annex case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is an access port carries untagged frames in one configured access VLAN

Question 824

At Hillcrest Campus, a building badge reader must be admitted with restricted access despite lacking EAP-TLS capability. Which AOS-CX or Aruba networking design choice resolves this specific dependency?

  1. Apply approved MAC authentication with profiling and strictly limited authorization.
  2. Apply supported administrative AAA command roles and TACACS+ where appropriate.
  3. Map the returned VLAN attributes to an existing permitted switch VLAN and routed scope.
  4. Tune supported reauthentication and EAP timers based on measured client/server behavior.

Explanation

Correct Answer

A:

For Hillcrest Campus, the decisive mechanism is MAB for headless IoT. MAB is a weaker fallback identity mechanism than certificate-based 802.1X. Use approved MAC authentication with profiling and strictly limited authorization establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

B:

This is relevant to TACACS+ admin AAA distinction, where administrative command authorization and client-port 802.1X solve different AAA problems In the Hillcrest Campus case, Changing that neighboring feature does not implement the missing function. The specific mechanism is mAB is a weaker fallback identity mechanism than certificate-based 802.1X

C:

This is relevant to Dynamic VLAN on wired port, where dynamic VLAN assignment requires compatible RADIUS results and local switch VLAN support In the Hillcrest Campus case, Changing that neighboring feature does not implement the missing function. The specific mechanism is mAB is a weaker fallback identity mechanism than certificate-based 802.1X

D:

This is relevant to Supplicant reauthentication intervals, where wired reauthentication intervals can affect session continuity if handshake timing is inadequate In the Hillcrest Campus case, Changing that neighboring feature does not implement the missing function. The specific mechanism is mAB is a weaker fallback identity mechanism than certificate-based 802.1X

Question 825

At West Auditorium, a backup RADIUS server is configured but never used when the first server is unreachable. Which practical change is best suited to this topology and its constraints?

  1. Apply supported administrative AAA command roles and TACACS+ where appropriate.
  2. Set up appropriate RADIUS failover and tested timeout/retry settings.
  3. Map the returned VLAN attributes to an existing permitted switch VLAN and routed scope.
  4. Tune supported reauthentication and EAP timers based on measured client/server behavior.

Explanation

Correct Answer

B:

For West Auditorium, the decisive mechanism is RADIUS authorization timeout. Authentication server reachability and retry order influence network-admission decisions. Configure appropriate RADIUS failover and tested timeout/retry settings 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 West Auditorium case, Changing that neighboring feature does not implement the missing function. The specific mechanism is authentication server reachability and retry order influence network-admission decisions

C:

This is relevant to Dynamic VLAN on wired port, where dynamic VLAN assignment requires compatible RADIUS results and local switch VLAN support In the West Auditorium case, Changing that neighboring feature does not implement the missing function. The specific mechanism is authentication server reachability and retry order influence network-admission decisions

D:

This is relevant to Supplicant reauthentication intervals, where wired reauthentication intervals can affect session continuity if handshake timing is inadequate In the West Auditorium case, Changing that neighboring feature does not implement the missing function. The specific mechanism is authentication server reachability and retry order influence network-admission decisions

Question 826

At South Science Wing, iPTV multicast floods every access-port VLAN after a switch replacement. Which controlled acceptance test demonstrates the required behavior?

  1. Confirm untagged test frames land in the same approved VLAN at both endpoints.
  2. See device traffic only in its assigned broadcast domain and expected address scope.
  3. Join one stream from approved receiver and verify forwarding only to subscriber ports.
  4. Generate tagged traffic across all intended VLANs and confirm blocked VLANs remain isolated.

Explanation

Correct Answer

C:

For South Science Wing, the decisive mechanism is IGMP multicast snooping. IGMP snooping constrains IPv4 multicast by observed group memberships. Join one stream from approved receiver and verify forwarding only to subscriber ports supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to Native VLAN mismatch, where a native VLAN defines forwarding for untagged frames on a VLAN-aware trunk In the South Science Wing case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is iGMP snooping constrains IPv4 multicast by observed group memberships

B:

This is relevant to Access VLAN classification, where an access port carries untagged frames in one configured access VLAN In the South Science Wing case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is iGMP snooping constrains IPv4 multicast by observed group memberships

D:

This is relevant to Tagged trunk allowlist, where a VLAN trunk forwards only permitted tagged VLANs and its native VLAN according to configuration In the South Science Wing case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is iGMP snooping constrains IPv4 multicast by observed group memberships

Question 827

At Hillcrest Campus, campus A and B use different MST region revision strings and instances act as separate regions. How should the engineer validate success against the stated requirement?

  1. Run controlled large-payload tests and confirm reliable path MTU behavior.
  2. Confirm expected per-instance root and path behavior after a planned uplink change.
  3. Verify the phone uses the voice VLAN while the PC remains in the data VLAN.
  4. Permit a specifically authorized app and block the matching forbidden traffic.

Explanation

Correct Answer

B:

For Hillcrest Campus, the decisive mechanism is MST region matching. MSTP maps VLANs to spanning-tree instances inside a consistent region. Confirm expected per-instance root and path behavior after a planned uplink change supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to End-to-end MTU and frames, where a path's effective MTU is limited by the smallest supported segment and encapsulation overhead In the Hillcrest Campus case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is mSTP maps VLANs to spanning-tree instances inside a consistent region

C:

This is relevant to Voice VLAN LLDP-MED, where lLDP-MED can advertise voice-network attributes while the switch enforces separate VLAN policies In the Hillcrest Campus case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is mSTP maps VLANs to spanning-tree instances inside a consistent region

D:

This is relevant to ACL direction and interface, where stateless ACL effectiveness depends on interface attachment direction and rule order In the Hillcrest Campus case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is mSTP maps VLANs to spanning-tree instances inside a consistent region

Question 828

At Lakeside Classroom, a switch CPU spikes during peak hours but Central shows only current readings. Which configuration change best fits the network requirement and observed behavior?

  1. Collect interface error discard and utilization counters with suitable baseline intervals.
  2. Configure complementary UXI internal service and external Internet tests.
  3. Use documented REST selectors and read writable fields before controlled updates.
  4. Install a supported Network Analytics Engine script/agent with relevant resource monitors and alerts.

Explanation

Correct Answer

D:

For Lakeside Classroom, the decisive mechanism is NAE monitor rule. NAE agents monitor local switch state and can correlate rule conditions over time. Install a supported Network Analytics Engine script/agent with relevant resource monitors and alerts establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to Switch telemetry counters, where interface counters help distinguish physical corruption from congestion drops In the Lakeside Classroom case, Changing that neighboring feature does not implement the missing function. The specific mechanism is nAE agents monitor local switch state and can correlate rule conditions over time

B:

This is relevant to UXI internal and external tests, where internal and external synthetic tests isolate distinct service paths and failure domains In the Lakeside Classroom case, Changing that neighboring feature does not implement the missing function. The specific mechanism is nAE agents monitor local switch state and can correlate rule conditions over time

C:

This is relevant to REST API selector use, where rEST representation selection and HTTP method choice affect what configuration is retrieved or changed In the Lakeside Classroom case, Changing that neighboring feature does not implement the missing function. The specific mechanism is nAE agents monitor local switch state and can correlate rule conditions over time

Question 829

At Arts Pavilion, client traffic hairpins unexpectedly after the active-gateway SVI configuration differs across peers. What recurring protection should accompany this configuration?

  1. Avoid disabling spanning-tree campus-wide to suppress log messages.
  2. Validate shared virtual gateway settings on both peers before activating a new VLAN.
  3. Test preemption and split-brain protection before changing gateway priority.
  4. Preserve cluster software and resource headroom during rolling changes.

Explanation

Correct Answer

B:

For Arts Pavilion, the decisive mechanism is VSX active gateway. VSX active gateway allows distributed L3 gateway forwarding when configured consistently. Validate shared virtual gateway settings on both peers before activating a new VLAN is an enduring limitation on the operational risk, not simply a one-time passing test.

Incorrect Answers

A:

This is relevant to Loop protection, where loop detection complements STP by containing accidental edge loops In the Arts Pavilion case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is vSX active gateway allows distributed L3 gateway forwarding when configured consistently

C:

This is relevant to VRRP redundant gateway, where VRRP supplies virtual first-hop gateway failover between eligible routing peers In the Arts Pavilion case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is vSX active gateway allows distributed L3 gateway forwarding when configured consistently

D:

This is relevant to AOS 10 gateway cluster, where an AOS 10 gateway cluster improves tunneled WLAN availability but still needs correct forwarding and policy In the Arts Pavilion case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is vSX active gateway allows distributed L3 gateway forwarding when configured consistently

Question 830

At Engineering Tower, a corridor shows acceptable signal strength but voice calls break amid elevated background noise. What should the engineer implement first to correct the stated condition?

  1. Investigate noise/interference and target adequate SNR rather than raising AP power blindly.
  2. Apply supported clustered gateway configuration with capacity and software-version compatibility.
  3. Establish the correct AOS 10 bridge-mode VLAN mapping and deploy enforcement at the chosen edge.
  4. Map tunneled SSID to the supported gateway cluster and verify tunnel/service route policy.

Explanation

Correct Answer

A:

For Engineering Tower, the decisive mechanism is RSSI and SNR differentiation. SNR accounts for interference floor; RSSI alone does not predict useful wireless throughput. Investigate noise/interference and target adequate SNR rather than raising AP power blindly establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

B:

This is relevant to Gateway cluster resiliency, where tunneled service resilience requires usable gateway capacity and working AP tunnels In the Engineering Tower case, Changing that neighboring feature does not implement the missing function. The specific mechanism is sNR accounts for interference floor; RSSI alone does not predict useful wireless throughput

C:

This is relevant to AOS 10 bridge forwarding, where bridge-mode SSID traffic exits at the local AP wired uplink rather than a tunnel gateway In the Engineering Tower case, Changing that neighboring feature does not implement the missing function. The specific mechanism is sNR accounts for interference floor; RSSI alone does not predict useful wireless throughput

D:

This is relevant to AOS 10 tunnel forwarding, where tunnel forwarding places client data on the gateway datapath rather than a local bridged VLAN In the Engineering Tower case, Changing that neighboring feature does not implement the missing function. The specific mechanism is sNR accounts for interference floor; RSSI alone does not predict useful wireless throughput