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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 88

Question 870

At Administration Block, an uplink forwards VLAN 120 but silently drops newly introduced VLAN 350. What should the engineer implement first to correct the stated condition?

  1. Permit required tagged VLANs on both trunk interfaces while restricting unnecessary VLANs.
  2. Advertise approved LLDP-MED voice VLAN and separate PC data access classification.
  3. Apply the appropriate permit/deny order and direction on the data-path interface.
  4. Synchronize MTU and encapsulation requirements across the complete supported forwarding path.

Explanation

Correct Answer

A:

For Administration Block, the decisive mechanism is Tagged trunk allowlist. A VLAN trunk forwards only permitted tagged VLANs and its native VLAN according to configuration. Permit required tagged VLANs on both trunk interfaces while restricting unnecessary VLANs establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

B:

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 Administration Block case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a VLAN trunk forwards only permitted tagged VLANs and its native VLAN according to configuration

C:

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

D:

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 Administration Block case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a VLAN trunk forwards only permitted tagged VLANs and its native VLAN according to configuration

Question 871

At Bayside Campus, an endpoint sends rogue router advertisements and laptops select an unapproved IPv6 default router. Which TWO responses together provide a direct implementation and a continuing safeguard for the stated risk? Select TWO answers.

  1. Apply supported IPv6 RA guard at untrusted access interfaces with authorized router boundaries.
  2. Set the switchport as an access member of the correct VLAN with matching policy.
  3. Document allowed router ports so maintenance does not break IPv6 onboarding.
  4. Never expand a trunk to all VLANs merely to resolve one missing segment.

Explanation

Correct Answers

A:

This is the implementation element for the Bayside Campus case: IPv6 RA guard limits unauthorized router advertisements on access links. The specific action Apply supported IPv6 RA guard at untrusted access interfaces with authorized router boundaries addresses the stated fault; the question also requires a persistent risk control.

C:

This is the continuing risk-control element for Bayside Campus. Document allowed router ports so maintenance does not break IPv6 onboarding prevents a future regression or unauthorized relaxation of the repair; it complements, rather than replaces, the implementation.

Incorrect Answers

B:

This may be a configuration step for Access VLAN classification: An access port carries untagged frames in one configured access VLAN. It does not resolve the IPv6 RA guard requirement in Bayside Campus and is not one of the two controls requested. The direct mechanism here is iPv6 RA guard limits unauthorized router advertisements on access links

D:

This may be an ongoing precaution for Tagged trunk allowlist: A VLAN trunk forwards only permitted tagged VLANs and its native VLAN according to configuration. It does not resolve the IPv6 RA guard requirement in Bayside Campus and is not one of the two controls requested. The direct mechanism here is iPv6 RA guard limits unauthorized router advertisements on access links

Question 872

At West Auditorium, high-density APs show uneven client counts despite similar neighbor RF conditions. Which controlled configuration is most likely to restore the required service?

  1. Use supported clustered gateway configuration with capacity and software-version compatibility.
  2. Configure guest authentication flow and role transitions with appropriate enforcement.
  3. Apply supported ClientMatch optimization with measured AP and client behavior.
  4. Adjust mounting antenna orientation and power using active RF measurements.

Explanation

Correct Answer

C:

For West Auditorium, the decisive mechanism is ClientMatch balancing. ClientMatch can guide client association and roaming decisions based on RF and load. Apply supported ClientMatch optimization with measured AP and client behavior establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to Gateway cluster resiliency, where tunneled service resilience requires usable gateway capacity and working AP tunnels In the West Auditorium case, Changing that neighboring feature does not implement the missing function. The specific mechanism is clientMatch can guide client association and roaming decisions based on RF and load

B:

This is relevant to Guest portal and role, where captive portal authentication and post-login role enforcement are separate controls In the West Auditorium case, Changing that neighboring feature does not implement the missing function. The specific mechanism is clientMatch can guide client association and roaming decisions based on RF and load

D:

This is relevant to AP power and cell geometry, where aP placement and transmit power affect cell coverage and roaming boundaries In the West Auditorium case, Changing that neighboring feature does not implement the missing function. The specific mechanism is clientMatch can guide client association and roaming decisions based on RF and load

Question 873

At New Teaching Block, a campus WLAN raised minimum basic rate too aggressively and edge handhelds cannot associate. Which controlled configuration is most likely to restore the required service?

  1. Investigate noise/interference and target adequate SNR rather than raising AP power blindly.
  2. Apply an RF plan with reasonable channel reuse and channel width for expected density.
  3. Perform an active site survey covering attenuation interference and realistic client density.
  4. Establish supported minimum data rates balancing coverage and management-frame airtime.

Explanation

Correct Answer

D:

For New Teaching Block, the decisive mechanism is Minimum basic rates. Low mandatory rates can enlarge cells and increase management airtime overhead. Set supported minimum data rates balancing coverage and management-frame airtime establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to RSSI and SNR differentiation, where sNR accounts for interference floor; RSSI alone does not predict useful wireless throughput In the New Teaching Block case, Changing that neighboring feature does not implement the missing function. The specific mechanism is low mandatory rates can enlarge cells and increase management airtime overhead

B:

This is relevant to Co-channel contention, where co-channel APs share contention airtime even if their signals are individually strong In the New Teaching Block case, Changing that neighboring feature does not implement the missing function. The specific mechanism is low mandatory rates can enlarge cells and increase management airtime overhead

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 New Teaching Block case, Changing that neighboring feature does not implement the missing function. The specific mechanism is low mandatory rates can enlarge cells and increase management airtime overhead

Question 874

At West Auditorium, a template changed VLAN-instance map on half the distribution switches. Which observation most directly isolates the likely cause before any change?

  1. Examine MST region digests and instance-specific STP roles.
  2. Examine neighbor LLDP-MED TLVs and phone versus PC VLAN tags.
  3. Examine frame-size drop counters PMTU behavior and VLAN/tunnel overhead.
  4. Examine hit counters rule ordering and packet direction for a controlled flow.

Explanation

Correct Answer

A:

For West Auditorium, the decisive mechanism is MST region matching. MSTP maps VLANs to spanning-tree instances inside a consistent region. Inspect MST region digests and instance-specific STP roles is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

B:

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 West Auditorium case, Those observations could be normal while the stated fault persists. The specific mechanism is mSTP maps VLANs to spanning-tree instances inside a consistent region

C:

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 West Auditorium case, Those observations could be normal while the stated fault persists. 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 West Auditorium case, Those observations could be normal while the stated fault persists. The specific mechanism is mSTP maps VLANs to spanning-tree instances inside a consistent region

Question 875

At North Residence, an AP broadcasts ten rarely used SSIDs on every band and channel utilization is high. Which diagnostic comparison would distinguish this fault from nearby mechanisms?

  1. Inspect co-channel AP visibility airtime utilization and contention counters.
  2. Measure beacon and probe-response traffic share of channel airtime.
  3. Compare RSSI noise floor SNR and retransmissions per affected client.
  4. Inspect surveyed RSSI SNR channel use and roaming measurements at user positions.

Explanation

Correct Answer

B:

For North Residence, the decisive mechanism is Excessive SSID beacon overhead. Each advertised SSID sends management traffic that consumes shared airtime. Measure beacon and probe-response traffic share of channel airtime is the most direct way to isolate this particular failure before making a change.

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 North Residence case, Those observations could be normal while the stated fault persists. The specific mechanism is each advertised SSID sends management traffic that consumes shared airtime

C:

This is relevant to RSSI and SNR differentiation, where sNR accounts for interference floor; RSSI alone does not predict useful wireless throughput In the North Residence case, Those observations could be normal while the stated fault persists. The specific mechanism is each advertised SSID sends management traffic that consumes shared airtime

D:

This is relevant to RF predictive versus active survey, where predictive RF planning does not replace measured real-world attenuation and utilization In the North Residence case, Those observations could be normal while the stated fault persists. The specific mechanism is each advertised SSID sends management traffic that consumes shared airtime

Question 876

At South Science Wing, a high-volume single flow saturates one uplink although both ECMP next hops are installed. Which TWO responses together provide a direct implementation and a continuing safeguard for the stated risk? Select TWO answers.

  1. Apply supported ECMP and account for session hash distribution across eligible paths.
  2. Synchronize OSPF area ID and supported area type at both neighboring interfaces.
  3. Avoid aggressive timers without observing CPU and path loss conditions.
  4. Review return-path symmetry and middlebox state before broad ECMP changes.

Explanation

Correct Answers

A:

This is the implementation element for the South Science Wing case: ECMP typically spreads flows over equal-cost next hops, not necessarily one flow packet by packet. The specific action Use supported ECMP and account for session hash distribution across eligible paths addresses the stated fault; the question also requires a persistent risk control.

D:

This is the continuing risk-control element for South Science Wing. Check return-path symmetry and middlebox state before broad ECMP changes prevents a future regression or unauthorized relaxation of the repair; it complements, rather than replaces, the implementation.

Incorrect Answers

B:

This may be a configuration step for OSPF area membership: OSPF neighbors on a link must agree on essential area and protocol parameters. It does not resolve the ECMP next-hop selection requirement in South Science Wing and is not one of the two controls requested. The direct mechanism here is eCMP typically spreads flows over equal-cost next hops, not necessarily one flow packet by packet

C:

This may be an ongoing precaution for OSPF hello and dead timers: OSPF timer mismatches can prevent reliable adjacency even when IP connectivity exists. It does not resolve the ECMP next-hop selection requirement in South Science Wing and is not one of the two controls requested. The direct mechanism here is eCMP typically spreads flows over equal-cost next hops, not necessarily one flow packet by packet

Question 877

At Athletics Complex, a campus switch template leaves the uplink VLAN variable unset on a new device. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Establish the AP switchport VLAN tagging PoE and DHCP reachability according to the deployment mode.
  2. Set up compatible LACP membership and logical LAG settings across the supported endpoints.
  3. Populate validated per-device variables and preview the rendered template before deployment.
  4. Choose approved bridge or tunneled forwarding mode and correctly map AP VLAN or gateway cluster.

Explanation

Correct Answer

C:

For Athletics Complex, the decisive mechanism is Switch template variables. Template-based provisioning must resolve per-device parameters before switch configuration. Populate validated per-device variables and preview the rendered template before deployment establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to AP uplink physical mapping, where aP service onboarding depends on both physical power and the upstream management network In the Athletics Complex case, Changing that neighboring feature does not implement the missing function. The specific mechanism is template-based provisioning must resolve per-device parameters before switch configuration

B:

This is relevant to LACP uplink provisioning, where lACP forms one logical bundle only when peers agree on aggregation parameters In the Athletics Complex case, Changing that neighboring feature does not implement the missing function. The specific mechanism is template-based provisioning must resolve per-device parameters before switch configuration

D:

This is relevant to Bridge versus tunneled WLAN traffic, where bridge SSIDs forward locally; tunneled SSIDs use the gateway data path for policy In the Athletics Complex case, Changing that neighboring feature does not implement the missing function. The specific mechanism is template-based provisioning must resolve per-device parameters before switch configuration

Question 878

At North Library, a new lecture hall has adequate modeled RSSI but poor live throughput during full attendance. How should the engineer validate success against the stated requirement?

  1. Demonstrate pre-auth restrictions then post-auth Internet-only reachability.
  2. Fail one member under a staged load and confirm expected client access.
  3. Check coverage and capacity with representative real devices and occupancy.
  4. Measure acceptable coverage plus SNR at walking and seated client locations.

Explanation

Correct Answer

C:

For North Library, the decisive mechanism is RF predictive versus active survey. Predictive RF planning does not replace measured real-world attenuation and utilization. Confirm coverage and capacity with representative real devices and occupancy supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to Guest portal and role, where captive portal authentication and post-login role enforcement are separate controls In the North Library case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is predictive RF planning does not replace measured real-world attenuation and utilization

B:

This is relevant to Gateway cluster resiliency, where tunneled service resilience requires usable gateway capacity and working AP tunnels In the North Library case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is predictive RF planning does not replace measured real-world attenuation and utilization

D:

This is relevant to AP power and cell geometry, where aP placement and transmit power affect cell coverage and roaming boundaries In the North Library case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is predictive RF planning does not replace measured real-world attenuation and utilization

Question 879

At North Library, a visitor role reaches restricted servers despite being assigned a guest policy. What measured or witnessed result should be required before signoff?

  1. Authenticate with newly issued certificates through the whole EAP-TLS exchange.
  2. Correlate a test session and termination with the intended accounting records.
  3. Demonstrate user authorization changes both forwarding and accessible application sets.
  4. Test allowed application connectivity and rejected unauthorized east-west traffic.

Explanation

Correct Answer

C:

For North Library, the decisive mechanism is ClearPass role-based enforcement. ClearPass decides authorization outcomes while network devices enforce assigned policy. Verify user authorization changes both forwarding and accessible application sets supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to Certificate renewal workflow, where authentication availability depends on valid certificate lifecycle at both ends In the North Library case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is clearPass decides authorization outcomes while network devices enforce assigned policy

B:

This is relevant to RADIUS accounting traceability, where authentication and accounting provide different information and require separate configuration In the North Library case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is clearPass decides authorization outcomes while network devices enforce assigned policy

D:

This is relevant to Campus microsegmentation, where role-based segmentation can limit lateral flows beyond simple VLAN separation In the North Library case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is clearPass decides authorization outcomes while network devices enforce assigned policy

Question 880

At North Library, an IDF trunk carries voice VLAN 310 but its upstream interface mistakenly permits only data VLAN 110. Which observation most directly isolates the likely cause before any change?

  1. Cross-check operational speed duplex FCS errors and auto-negotiation on each side of the link.
  2. Examine local and remote LLDP chassis port and management addresses against physical patch records.
  3. Examine per-port tag membership and tagged packet captures at the failing VLAN boundary.
  4. Examine switch PoE allocation operational draw power-denial and AP boot-event evidence.

Explanation

Correct Answer

C:

For North Library, the decisive mechanism is 802.1Q VLAN tagging. 802.1Q tagging preserves logical broadcast-domain identity over shared Ethernet links. Inspect per-port tag membership and tagged packet captures at the failing VLAN boundary is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to Ethernet negotiation and duplex, where 802.3 physical link negotiation precedes Layer 2 and Layer 3 service validation In the North Library case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.1Q tagging preserves logical broadcast-domain identity over shared Ethernet links

B:

This is relevant to LLDP topology and discovery, where lLDP supplies adjacent-device identity without proving end-to-end routing or authentication In the North Library case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.1Q tagging preserves logical broadcast-domain identity over shared Ethernet links

D:

This is relevant to PoE power negotiation, where 802.3af at and bt power classes and the switch budget constrain device operation In the North Library case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.1Q tagging preserves logical broadcast-domain identity over shared Ethernet links