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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 49

Question 480

At Arts Pavilion, a critical voice queue experiences latency because every egress queue uses weighted round-robin. Which practical change is best suited to this topology and its constraints?

  1. Tune supported band steering with proper 5-GHz coverage and compatibility checks.
  2. Use supported egress queue scheduling with bounded high-priority service treatment.
  3. Evaluate supported multicast conversion and membership control for the audience size.
  4. Adjust transmit power with channel plan and measured minimum edge SNR.

Explanation

Correct Answer

B:

For Arts Pavilion, the decisive mechanism is Strict priority queue use. Priority scheduling affects service latency but requires careful queue sizing. Use supported egress queue scheduling with bounded high-priority service treatment establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

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 Arts Pavilion case, Changing that neighboring feature does not implement the missing function. The specific mechanism is priority scheduling affects service latency but requires careful queue sizing

C:

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 Arts Pavilion case, Changing that neighboring feature does not implement the missing function. The specific mechanism is priority scheduling affects service latency but requires careful queue sizing

D:

This is relevant to RF power tuning, where excess transmit power can increase interference and sticky-client behavior In the Arts Pavilion case, Changing that neighboring feature does not implement the missing function. The specific mechanism is priority scheduling affects service latency but requires careful queue sizing

Question 481

At West Clinic, guest clients associate yet DHCP discover packets never reach a routed helper. Which change-management constraint best guards against recurrence?

  1. Apply staged routing changes and monitor policy symmetry.
  2. Retain a source-controlled VLAN matrix for AP groups and switch closets.
  3. Avoid bypassing AAA simply because DHCP is failing.
  4. Retain rollback access during global STP region or root changes.

Explanation

Correct Answer

C:

For West Clinic, the decisive mechanism is DHCP address-acquisition failure. Network authorization and DHCP allocation are separate stages requiring their own diagnostics. Avoid bypassing AAA simply because DHCP is failing is an enduring limitation on the operational risk, not simply a one-time passing test.

Incorrect Answers

A:

This is relevant to Routed blackhole, where route presence alone does not prove usable bidirectional forwarding In the West Clinic case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is network authorization and DHCP allocation are separate stages requiring their own diagnostics

B:

This is relevant to Wrong VLAN mapping, where wLAN-to-wired mapping errors can appear as a DHCP or authorization defect In the West Clinic case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is network authorization and DHCP allocation are separate stages requiring their own diagnostics

D:

This is relevant to STP convergence fault, where sTP role and root election determine the alternate Layer 2 forwarding path In the West Clinic case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is network authorization and DHCP allocation are separate stages requiring their own diagnostics

Question 482

At Main Data Center, a branch needs to advertise a subnet but must not accept OSPF neighbors from endpoints. Which configuration change best fits the network requirement and observed behavior?

  1. Make the user-facing OSPF interface passive while continuing appropriate network advertisement.
  2. Set up supported VRRP with consistent virtual IP and safe priority/failover behavior.
  3. Apply supported ECMP and account for session hash distribution across eligible paths.
  4. Activate matching OSPFv3 area/interface settings with valid IPv6 transport reachability.

Explanation

Correct Answer

A:

For Main Data Center, the decisive mechanism is Passive OSPF access VLAN. Passive OSPF prevents hello-based adjacency on the interface while its connected prefix can be advertised. Make the user-facing OSPF interface passive while continuing appropriate network advertisement establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

B:

This is relevant to First-hop gateway election, where VRRP abstracts the default gateway across eligible routing devices In the Main Data Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is passive OSPF prevents hello-based adjacency on the interface while its connected prefix can be advertised

C:

This is relevant to ECMP next-hop selection, where eCMP typically spreads flows over equal-cost next hops, not necessarily one flow packet by packet In the Main Data Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is passive OSPF prevents hello-based adjacency on the interface while its connected prefix can be advertised

D:

This is relevant to IPv6 OSPFv3 adjacency, where oSPFv3 exchanges IPv6 routing information through a separately configured protocol process In the Main Data Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is passive OSPF prevents hello-based adjacency on the interface while its connected prefix can be advertised

Question 483

At Lakeside Classroom, a switch CPU spikes during peak hours but Central shows only current readings. Which check provides the most useful information for fixing this deployment?

  1. Inspect CRC input drops queue discards and rate correlation on the affected port.
  2. Inspect each synthetic step and route from the sensor's actual network.
  3. Inspect requested API version selector depth and response attribute groups.
  4. Inspect NAE agent status monitored resource expression and recent event history.

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. Inspect NAE agent status monitored resource expression and recent event history is the most direct way to isolate this particular failure before making a change.

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, Those observations could be normal while the stated fault persists. 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, Those observations could be normal while the stated fault persists. 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, Those observations could be normal while the stated fault persists. The specific mechanism is nAE agents monitor local switch state and can correlate rule conditions over time

Question 484

At Riverside Building, an access template accidentally treats RADIUS reject like a server timeout. What targeted evidence should the network engineer collect first?

  1. Examine server status transport timeouts and alternate server selection.
  2. Distinguish explicit Access-Reject from timeout and inspect port authorization state.
  3. Examine EAPOL handshake switch authentication state and RADIUS responses.
  4. Examine EAP exchanges identity retries and reauthentication failure timestamps.

Explanation

Correct Answer

B:

For Riverside Building, the decisive mechanism is Unauthorized fail-open behavior. Authentication rejection is not the same as RADIUS server unavailability. Distinguish explicit Access-Reject from timeout and inspect port authorization state is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to RADIUS authorization timeout, where authentication server reachability and retry order influence network-admission decisions In the Riverside Building case, Those observations could be normal while the stated fault persists. The specific mechanism is authentication rejection is not the same as RADIUS server unavailability

C:

This is relevant to Wired 802.1X port access, where 802.1X authorizes port traffic through EAPOL and the authentication server decision In the Riverside Building case, Those observations could be normal while the stated fault persists. The specific mechanism is authentication rejection is not the same as RADIUS server unavailability

D:

This is relevant to Supplicant reauthentication intervals, where wired reauthentication intervals can affect session continuity if handshake timing is inadequate In the Riverside Building case, Those observations could be normal while the stated fault persists. The specific mechanism is authentication rejection is not the same as RADIUS server unavailability

Question 485

At Convention Center, a CX 6200 stack ring becomes a line when one stacking cable is unplugged. What should the engineer implement first to correct the stated condition?

  1. Create a compatible gateway cluster with capacity and mobility requirements in Central.
  2. Build compatible VSF stack members and restore a supported resilient link topology.
  3. Activate supported loop protection on suitable edge ports and keep STP defenses active.
  4. Set up supported VRRP virtual gateway ownership and priority on matched interfaces.

Explanation

Correct Answer

B:

For Convention Center, the decisive mechanism is VSF member order. VSF combines compatible access switches into a unified stack control plane. Build compatible VSF stack members and restore a supported resilient link topology 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 Convention Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is vSF combines compatible access switches into a unified stack control plane

C:

This is relevant to Loop protection, where loop detection complements STP by containing accidental edge loops In the Convention Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is vSF combines compatible access switches into a unified stack control plane

D:

This is relevant to VRRP redundant gateway, where VRRP supplies virtual first-hop gateway failover between eligible routing peers In the Convention Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is vSF combines compatible access switches into a unified stack control plane

Question 486

At South Science Wing, a data uplink shows increasing egress queue drops during backup windows. What targeted evidence should the network engineer collect first?

  1. Examine per-queue discard and buffer occupancy around the exact burst.
  2. Examine roaming client RSSI overlap and channel utilization across cells.
  3. Examine group subscriptions multicast airtime and converted frame counts.
  4. Examine associated bands steering outcomes and per-band utilization.

Explanation

Correct Answer

A:

For South Science Wing, the decisive mechanism is Congestion buffer drops. Short congestion bursts can exhaust queues before low-frequency monitoring notices. Inspect per-queue discard and buffer occupancy around the exact burst is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

B:

This is relevant to RF power tuning, where excess transmit power can increase interference and sticky-client behavior In the South Science Wing case, Those observations could be normal while the stated fault persists. The specific mechanism is short congestion bursts can exhaust queues before low-frequency monitoring notices

C:

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 South Science Wing case, Those observations could be normal while the stated fault persists. The specific mechanism is short congestion bursts can exhaust queues before low-frequency monitoring notices

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 South Science Wing case, Those observations could be normal while the stated fault persists. The specific mechanism is short congestion bursts can exhaust queues before low-frequency monitoring notices

Question 487

At South Science Wing, a classroom full of small-packet clients sees high contention despite Wi-Fi 6 AP deployment. What should be examined to confirm the actual failure mechanism?

  1. Inspect surveyed RSSI SNR channel use and roaming measurements at user positions.
  2. Inspect co-channel AP visibility airtime utilization and contention counters.
  3. Compare RSSI noise floor SNR and retransmissions per affected client.
  4. Inspect client capability allocation behavior and channel utilization rather than only Wi-Fi label.

Explanation

Correct Answer

D:

For South Science Wing, the decisive mechanism is OFDMA efficiency. OFDMA divides channel resources among eligible simultaneous users. Inspect client capability allocation behavior and channel utilization rather than only Wi-Fi label is the most direct way to isolate this particular failure before making a change.

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 South Science Wing case, Those observations could be normal while the stated fault persists. The specific mechanism is oFDMA divides channel resources among eligible simultaneous users

B:

This is relevant to Co-channel contention, where co-channel APs share contention airtime even if their signals are individually strong In the South Science Wing case, Those observations could be normal while the stated fault persists. The specific mechanism is oFDMA divides channel resources among eligible simultaneous users

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 South Science Wing case, Those observations could be normal while the stated fault persists. The specific mechanism is oFDMA divides channel resources among eligible simultaneous users

Question 488

At Research Hub, a finance switch uses unrestricted fail-open when both RADIUS servers fail, violating policy. Which check provides the most useful information for fixing this deployment?

  1. Examine command authorization logs versus client-port authentication events.
  2. Examine EAPOL handshake switch authentication state and RADIUS responses.
  3. Examine RADIUS outage detection and the role assigned while servers are unavailable.
  4. Examine EAP exchanges identity retries and reauthentication failure timestamps.

Explanation

Correct Answer

C:

For Research Hub, the decisive mechanism is Critical authentication fallback. Critical authorization controls how a port behaves if authentication service cannot be reached. Inspect RADIUS outage detection and the role assigned while servers are unavailable is the most direct way to isolate this particular failure before making a change.

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 Research Hub case, Those observations could be normal while the stated fault persists. The specific mechanism is critical authorization controls how a port behaves if authentication service cannot be reached

B:

This is relevant to Wired 802.1X port access, where 802.1X authorizes port traffic through EAPOL and the authentication server decision In the Research Hub case, Those observations could be normal while the stated fault persists. The specific mechanism is critical authorization controls how a port behaves if authentication service cannot be reached

D:

This is relevant to Supplicant reauthentication intervals, where wired reauthentication intervals can affect session continuity if handshake timing is inadequate In the Research Hub case, Those observations could be normal while the stated fault persists. The specific mechanism is critical authorization controls how a port behaves if authentication service cannot be reached

Question 489

At Medical Annex, a visitor SSID is reachable but users can access internal management servers. What recurring protection should accompany this configuration?

  1. Maintain separation even before captive-portal authentication completes.
  2. Protect log integrity retention and access according to data policy.
  3. Protect CA trust and plan certificate renewal before deployment deadlines.
  4. Audit implicit permits and policy defaults after group membership changes.

Explanation

Correct Answer

A:

For Medical Annex, the decisive mechanism is Guest segmentation. Guest network segmentation depends on enforced policy, not only SSID naming. Maintain separation even before captive-portal authentication completes is an enduring limitation on the operational risk, not simply a one-time passing test.

Incorrect Answers

B:

This is relevant to RADIUS accounting traceability, where authentication and accounting provide different information and require separate configuration In the Medical Annex case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is guest network segmentation depends on enforced policy, not only SSID naming

C:

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 Medical Annex case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is guest network segmentation depends on enforced policy, not only SSID naming

D:

This is relevant to Campus microsegmentation, where role-based segmentation can limit lateral flows beyond simple VLAN separation In the Medical Annex case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is guest network segmentation depends on enforced policy, not only SSID naming

Question 490

At West Clinic, a trunk between two AOS-CX switches loses WLAN guest VLAN traffic after a template update. Which implementation directly addresses this campus fault without replacing the wrong component?

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

Explanation

Correct Answer

C:

For West Clinic, 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

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 West Clinic 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

B:

This is relevant to ACL direction and interface, where stateless ACL effectiveness depends on interface attachment direction and rule order In the West Clinic 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 West Clinic 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