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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 93

Question 920

At Bayside Campus, a distribution migration places a downstream MC-LAG into different VSX LAG identifiers on each peer. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Create a compatible gateway cluster with capacity and mobility requirements in Central.
  2. Activate supported loop protection on suitable edge ports and keep STP defenses active.
  3. Set up supported VRRP virtual gateway ownership and priority on matched interfaces.
  4. Set up a supported VSX multi-chassis LAG with consistent LACP identity and peer link state.

Explanation

Correct Answer

D:

For Bayside Campus, the decisive mechanism is VSX MC-LAG. MC-LAG provides one downstream LAG across two independently managed VSX peers. Configure a supported VSX multi-chassis LAG with consistent LACP identity and peer link state establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

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 Bayside Campus case, Changing that neighboring feature does not implement the missing function. The specific mechanism is mC-LAG provides one downstream LAG across two independently managed VSX peers

B:

This is relevant to Loop protection, where loop detection complements STP by containing accidental edge loops In the Bayside Campus case, Changing that neighboring feature does not implement the missing function. The specific mechanism is mC-LAG provides one downstream LAG across two independently managed VSX peers

C:

This is relevant to VRRP redundant gateway, where VRRP supplies virtual first-hop gateway failover between eligible routing peers In the Bayside Campus case, Changing that neighboring feature does not implement the missing function. The specific mechanism is mC-LAG provides one downstream LAG across two independently managed VSX peers

Question 921

At Lakeside Classroom, tunneled staff SSID clients cannot access services when gateway cluster reachability is lost. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Investigate noise/interference and target adequate SNR rather than raising AP power blindly.
  2. Use an RF plan with reasonable channel reuse and channel width for expected density.
  3. Map tunneled SSID to the supported gateway cluster and verify tunnel/service route policy.
  4. Perform an active site survey covering attenuation interference and realistic client density.

Explanation

Correct Answer

C:

For Lakeside Classroom, the decisive mechanism is AOS 10 tunnel forwarding. Tunnel forwarding places client data on the gateway datapath rather than a local bridged VLAN. Map tunneled SSID to the supported gateway cluster and verify tunnel/service route policy 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 Lakeside Classroom case, Changing that neighboring feature does not implement the missing function. The specific mechanism is tunnel forwarding places client data on the gateway datapath rather than a local bridged VLAN

B:

This is relevant to Co-channel contention, where co-channel APs share contention airtime even if their signals are individually strong In the Lakeside Classroom case, Changing that neighboring feature does not implement the missing function. The specific mechanism is tunnel forwarding places client data on the gateway datapath rather than a local bridged VLAN

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 Lakeside Classroom case, Changing that neighboring feature does not implement the missing function. The specific mechanism is tunnel forwarding places client data on the gateway datapath rather than a local bridged VLAN

Question 922

At East Student Center, a lab port meant for one kiosk accumulates MAC addresses from an unauthorized hub. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Permit required tagged VLANs on both trunk interfaces while restricting unnecessary VLANs.
  2. Configure appropriate port MAC learn limits or access controls for the endpoint class.
  3. Set the switchport as an access member of the correct VLAN with matching policy.
  4. Align native VLAN configuration and avoid using native VLAN for untrusted access where possible.

Explanation

Correct Answer

B:

For East Student Center, the decisive mechanism is Port MAC limits. MAC address limits restrict excessive downstream identities on a switchport. Configure appropriate port MAC learn limits or access controls for the endpoint class establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

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 mAC address limits restrict excessive downstream identities on a switchport

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 mAC address limits restrict excessive downstream identities on a switchport

D:

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 mAC address limits restrict excessive downstream identities on a switchport

Question 923

At Technology Center, a trunk to a campus AP forwards staff frames but guest frames on VLAN 230 never reach the distribution switch. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Validate compatible PoE class switch power budget and negotiated per-port allocation.
  2. Enable and check appropriate LLDP advertisements on approved links with a verified topology map.
  3. Permit the required 802.1Q VLAN tags at both trunk ends and map the correct native VLAN.
  4. Align compatible speed and duplex negotiation at both Ethernet endpoints before testing traffic.

Explanation

Correct Answer

C:

For Technology Center, the decisive mechanism is 802.1Q VLAN tagging. 802.1Q tagging preserves logical broadcast-domain identity over shared Ethernet links. Permit the required 802.1Q VLAN tags at both trunk ends and map the correct native VLAN establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to PoE power negotiation, where 802.3af at and bt power classes and the switch budget constrain device operation In the Technology Center case, Changing that neighboring feature does not implement the missing function. 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 Technology Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is 802.1Q tagging preserves logical broadcast-domain identity over shared Ethernet links

D:

This is relevant to Ethernet negotiation and duplex, where 802.3 physical link negotiation precedes Layer 2 and Layer 3 service validation In the Technology Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is 802.1Q tagging preserves logical broadcast-domain identity over shared Ethernet links

Question 924

At West Auditorium, an employee connects a small unmanaged switch that sends BPDUs into an edge access port. What should the engineer implement first to correct the stated condition?

  1. Apply the appropriate permit/deny order and direction on the data-path interface.
  2. Enable BPDU guard only on appropriate edge ports with a documented recovery process.
  3. Align MTU and encapsulation requirements across the complete supported forwarding path.
  4. Advertise approved LLDP-MED voice VLAN and separate PC data access classification.

Explanation

Correct Answer

B:

For West Auditorium, the decisive mechanism is BPDU guard edge ports. BPDU guard protects edge ports from becoming transit paths for unauthorized switches. Enable BPDU guard only on appropriate edge ports with a documented recovery process establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

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, Changing that neighboring feature does not implement the missing function. The specific mechanism is bPDU guard protects edge ports from becoming transit paths for unauthorized switches

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, Changing that neighboring feature does not implement the missing function. The specific mechanism is bPDU guard protects edge ports from becoming transit paths for unauthorized switches

D:

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, Changing that neighboring feature does not implement the missing function. The specific mechanism is bPDU guard protects edge ports from becoming transit paths for unauthorized switches

Question 925

At Engineering Tower, iP phones boot in the data VLAN because the switch no longer advertises LLDP-MED voice policy. What measured or witnessed result should be required before signoff?

  1. See device traffic only in its assigned broadcast domain and expected address scope.
  2. Generate tagged traffic across all intended VLANs and confirm blocked VLANs remain isolated.
  3. Confirm untagged test frames land in the same approved VLAN at both endpoints.
  4. Verify the phone uses the voice VLAN while the PC remains in the data VLAN.

Explanation

Correct Answer

D:

For Engineering Tower, the decisive mechanism is Voice VLAN LLDP-MED. LLDP-MED can advertise voice-network attributes while the switch enforces separate VLAN policies. Verify the phone uses the voice VLAN while the PC remains in the data VLAN supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

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

B:

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 Engineering Tower case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is lLDP-MED can advertise voice-network attributes while the switch enforces separate VLAN policies

C:

This is relevant to Native VLAN mismatch, where a native VLAN defines forwarding for untagged frames on a VLAN-aware trunk In the Engineering Tower case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is lLDP-MED can advertise voice-network attributes while the switch enforces separate VLAN policies

Question 926

At West Auditorium, wireless clients associate to a tunnel SSID but no user traffic reaches the services gateway. Which configuration change best fits the network requirement and observed behavior?

  1. Examine optics cabling transceiver support and duplex/speed at both ends before changing routes.
  2. Verify AP-to-gateway data-path reachability cluster assignment and client role.
  3. Correct SSID-to-VLAN and switch trunk membership for the intended segment.
  4. Trace the forward and reverse forwarding path including route recursion and ACLs.

Explanation

Correct Answer

B:

For West Auditorium, the decisive mechanism is AP gateway tunnel fault. Cloud management connectivity does not imply a healthy user tunnel. Verify AP-to-gateway data-path reachability cluster assignment and client role establishes the needed configuration in the case rather than merely measuring a symptom.

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 West Auditorium case, Changing that neighboring feature does not implement the missing function. The specific mechanism is cloud management connectivity does not imply a healthy user tunnel

C:

This is relevant to Wrong VLAN mapping, where wLAN-to-wired mapping errors can appear as a DHCP or authorization defect In the West Auditorium case, Changing that neighboring feature does not implement the missing function. The specific mechanism is cloud management connectivity does not imply a healthy user tunnel

D:

This is relevant to Routed blackhole, where route presence alone does not prove usable bidirectional forwarding In the West Auditorium case, Changing that neighboring feature does not implement the missing function. The specific mechanism is cloud management connectivity does not imply a healthy user tunnel

Question 927

At North Library, large application transfers fail after a 9k-MTU server uplink crosses a 1500-byte campus segment. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Align MTU and encapsulation requirements across the complete supported forwarding path.
  2. Set the switchport as an access member of the correct VLAN with matching policy.
  3. Align native VLAN configuration and avoid using native VLAN for untrusted access where possible.
  4. Permit required tagged VLANs on both trunk interfaces while restricting unnecessary VLANs.

Explanation

Correct Answer

A:

For North Library, the decisive mechanism is End-to-end MTU and frames. A path's effective MTU is limited by the smallest supported segment and encapsulation overhead. Align MTU and encapsulation requirements across the complete supported forwarding path establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

B:

This is relevant to Access VLAN classification, where an access port carries untagged frames in one configured access VLAN In the North Library case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a path's effective MTU is limited by the smallest supported segment and encapsulation overhead

C:

This is relevant to Native VLAN mismatch, where a native VLAN defines forwarding for untagged frames on a VLAN-aware trunk In the North Library case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a path's effective MTU is limited by the smallest supported segment and encapsulation overhead

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 North Library case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a path's effective MTU is limited by the smallest supported segment and encapsulation overhead

Question 928

At Learning Commons, a third-party tenant switch advertises a superior STP root on a downstream handoff. Which controlled acceptance test demonstrates the required behavior?

  1. Verify the phone uses the voice VLAN while the PC remains in the data VLAN.
  2. Permit a specifically authorized app and block the matching forbidden traffic.
  3. Run controlled large-payload tests and confirm reliable path MTU behavior.
  4. Verify the downstream switch cannot displace the intended campus root.

Explanation

Correct Answer

D:

For Learning Commons, the decisive mechanism is Root guard downstream. Root guard prevents a protected port from accepting a superior root advertisement. Verify the downstream switch cannot displace the intended campus root 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 Learning Commons case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is root guard prevents a protected port from accepting a superior root advertisement

B:

This is relevant to ACL direction and interface, where stateless ACL effectiveness depends on interface attachment direction and rule order In the Learning Commons case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is root guard prevents a protected port from accepting a superior root advertisement

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 Learning Commons case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is root guard prevents a protected port from accepting a superior root advertisement

Question 929

At Convention Center, a campus voice call has good bandwidth but suffers jitter whenever file transfers begin. What targeted evidence should the network engineer collect first?

  1. Inspect group subscriptions multicast airtime and converted frame counts.
  2. Inspect input DSCP markings trust state and egress queue classification.
  3. Inspect one-way delay jitter loss DSCP WMM and radio retry data.
  4. Inspect associated bands steering outcomes and per-band utilization.

Explanation

Correct Answer

C:

For Convention Center, the decisive mechanism is Voice jitter and packet loss. Real-time voice quality depends on delay variation and loss more than raw peak throughput. Inspect one-way delay jitter loss DSCP WMM and radio retry data is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to Multicast-to-unicast tradeoff, where multicast-to-unicast can improve delivery to small receiver groups but adds per-recipient work In the Convention Center case, Those observations could be normal while the stated fault persists. The specific mechanism is real-time voice quality depends on delay variation and loss more than raw peak throughput

B:

This is relevant to DSCP trust boundary, where qoS trust boundaries determine which received packet markings affect forwarding priority In the Convention Center case, Those observations could be normal while the stated fault persists. The specific mechanism is real-time voice quality depends on delay variation and loss more than raw peak throughput

D:

This is relevant to Band steering under load, where band steering can guide dual-band association but depends on real RF and client support In the Convention Center case, Those observations could be normal while the stated fault persists. The specific mechanism is real-time voice quality depends on delay variation and loss more than raw peak throughput

Question 930

At Bayside Campus, an auditorium has multi-antenna APs but most clients are single-stream devices. Which controlled acceptance test demonstrates the required behavior?

  1. Confirm coverage and capacity with representative real devices and occupancy.
  2. Measure actual multi-client throughput without asserting all clients can use MU-MIMO.
  3. Observe lower airtime contention and stable throughput during concurrent client use.
  4. Measure improved SNR and reduced retry rate without oversizing transmit power.

Explanation

Correct Answer

B:

For Bayside Campus, the decisive mechanism is MU-MIMO application. MU-MIMO can serve compatible users with spatial multiplexing when channel conditions allow. Measure actual multi-client throughput without asserting all clients can use MU-MIMO supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to RF predictive versus active survey, where predictive RF planning does not replace measured real-world attenuation and utilization In the Bayside Campus case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is mU-MIMO can serve compatible users with spatial multiplexing when channel conditions allow

C:

This is relevant to Co-channel contention, where co-channel APs share contention airtime even if their signals are individually strong In the Bayside Campus case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is mU-MIMO can serve compatible users with spatial multiplexing when channel conditions allow

D:

This is relevant to RSSI and SNR differentiation, where sNR accounts for interference floor; RSSI alone does not predict useful wireless throughput In the Bayside Campus case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is mU-MIMO can serve compatible users with spatial multiplexing when channel conditions allow