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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 115

Question 1140

At Lakeside Classroom, remote-campus complaints require continuous synthetic evidence for DHCP DNS and HTTPS stages. Which check provides the most useful information for fixing this deployment?

  1. Examine device clock NTP sync severity filters and log delivery failures.
  2. Examine per-test DHCP DNS HTTP stage timing and sensor health.
  3. Examine CRC input drops queue discards and rate correlation on the affected port.
  4. Examine requested API version selector depth and response attribute groups.

Explanation

Correct Answer

B:

For Lakeside Classroom, the decisive mechanism is UXI client experience probes. UXI sensors run synthetic end-user workflows to reveal service-layer failures. Inspect per-test DHCP DNS HTTP stage timing and sensor health is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to Syslog timestamps and forwarding, where system logging accuracy needs both transport and synchronized timestamps In the Lakeside Classroom case, Those observations could be normal while the stated fault persists. The specific mechanism is uXI sensors run synthetic end-user workflows to reveal service-layer failures

C:

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 uXI sensors run synthetic end-user workflows to reveal service-layer failures

D:

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 uXI sensors run synthetic end-user workflows to reveal service-layer failures

Question 1141

At North Residence, a campus edge advertises a private management prefix to its ISP by mistake. Which practical change is best suited to this topology and its constraints?

  1. Install a valid static route with a resolvable next hop and appropriate administrative distance.
  2. Apply tightly scoped outbound prefix-list and route-map conditions.
  3. Restore an authorized default next hop and deliberate route preferences.
  4. Align OSPF area ID and supported area type at both neighboring interfaces.

Explanation

Correct Answer

B:

For North Residence, the decisive mechanism is BGP prefix filtering. BGP route filters control prefix advertisement and must account for length matching. Apply tightly scoped outbound prefix-list and route-map conditions establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to Static route next hop, where a static route only forwards as intended when its next hop can be resolved In the North Residence case, Changing that neighboring feature does not implement the missing function. The specific mechanism is bGP route filters control prefix advertisement and must account for length matching

C:

This is relevant to Default route selection, where default route 0.0.0.0/0 applies when no more specific IPv4 route matches In the North Residence case, Changing that neighboring feature does not implement the missing function. The specific mechanism is bGP route filters control prefix advertisement and must account for length matching

D:

This is relevant to OSPF area membership, where oSPF neighbors on a link must agree on essential area and protocol parameters In the North Residence case, Changing that neighboring feature does not implement the missing function. The specific mechanism is bGP route filters control prefix advertisement and must account for length matching

Question 1142

At Garden Hall, an NMS queries switch CPU but interface counters remain zero after a device replacement. Which test best differentiates real success from a merely healthy status light?

  1. Trigger a safe lab threshold and verify historical record and alert generation.
  2. Poll a controlled interface counter and match it to the switch's operational value.
  3. Verify a controlled internal failure affects only the intended sensor test.
  4. Capture identifiable test traffic without dropping ordinary production forwarding.

Explanation

Correct Answer

B:

For Garden Hall, the decisive mechanism is SNMP telemetry validation. SNMP monitoring depends on reachable agents permitted OIDs and secure transport. Poll a controlled interface counter and match it to the switch's operational value supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to NAE monitor rule, where nAE agents monitor local switch state and can correlate rule conditions over time In the Garden Hall case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is sNMP monitoring depends on reachable agents permitted OIDs and secure transport

C:

This is relevant to UXI internal and external tests, where internal and external synthetic tests isolate distinct service paths and failure domains In the Garden Hall case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is sNMP monitoring depends on reachable agents permitted OIDs and secure transport

D:

This is relevant to Port mirroring PCAP, where port mirroring copies selected frames for observation but is not a live forwarding path In the Garden Hall case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is sNMP monitoring depends on reachable agents permitted OIDs and secure transport

Question 1143

At Engineering Tower, an office user cross-patches two wall ports and triggers a broadcast storm. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Activate supported loop protection on suitable edge ports and keep STP defenses active.
  2. Set up matching active-gateway address and MAC settings on the applicable VSX SVIs.
  3. Build a supported VSX ISL with enough capacity and verify peer state consistency.
  4. Set up a separate reachable VSX keepalive path with valid source and peer addressing.

Explanation

Correct Answer

A:

For Engineering Tower, the decisive mechanism is Loop protection. Loop detection complements STP by containing accidental edge loops. Enable supported loop protection on suitable edge ports and keep STP defenses active establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

B:

This is relevant to VSX active gateway, where vSX active gateway allows distributed L3 gateway forwarding when configured consistently In the Engineering Tower case, Changing that neighboring feature does not implement the missing function. The specific mechanism is loop detection complements STP by containing accidental edge loops

C:

This is relevant to VSX inter-switch link, where vSX peers synchronize selected state over an ISL while retaining independent control planes In the Engineering Tower case, Changing that neighboring feature does not implement the missing function. The specific mechanism is loop detection complements STP by containing accidental edge loops

D:

This is relevant to VSX keepalive separation, where the VSX keepalive helps distinguish peer failure from ISL failure In the Engineering Tower case, Changing that neighboring feature does not implement the missing function. The specific mechanism is loop detection complements STP by containing accidental edge loops

Question 1144

At Innovation Studio, ceiling-mounted AP directional antennas point away from a high-traffic lecture area. Which ongoing safeguard best limits the specific risk after rollout?

  1. Document mounting changes and revalidate after shelving layout modifications.
  2. Assess scaling limits and do not assume conversion always reduces total transmissions.
  3. Do not blindly trust endpoint priority markings on public access ports.
  4. Maintain consistent DSCP-to-WMM mapping end to end.

Explanation

Correct Answer

A:

For Innovation Studio, the decisive mechanism is Antenna orientation and placement. Antenna radiation pattern and placement govern usable RF cell shape. Document mounting changes and revalidate after shelving layout modifications is an enduring limitation on the operational risk, not simply a one-time passing test.

Incorrect Answers

B:

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 Innovation Studio case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is antenna radiation pattern and placement govern usable RF cell shape

C:

This is relevant to DSCP trust boundary, where qoS trust boundaries determine which received packet markings affect forwarding priority In the Innovation Studio case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is antenna radiation pattern and placement govern usable RF cell shape

D:

This is relevant to WMM access categories, where 802.11e WMM prioritizes wireless contention via different access categories In the Innovation Studio case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is antenna radiation pattern and placement govern usable RF cell shape

Question 1145

At Research Hub, a classroom installer connects two switch access ports with one short patch cable. Which diagnostic comparison would distinguish this fault from nearby mechanisms?

  1. Inspect frame-size drop counters PMTU behavior and VLAN/tunnel overhead.
  2. Inspect loop events broadcast counters and blocked or disabled port state.
  3. Inspect neighbor LLDP-MED TLVs and phone versus PC VLAN tags.
  4. Inspect hit counters rule ordering and packet direction for a controlled flow.

Explanation

Correct Answer

B:

For Research Hub, the decisive mechanism is Loop detection protection. Loop protection isolates unintended forwarding cycles at Layer 2. Inspect loop events broadcast counters and blocked or disabled port state is the most direct way to isolate this particular failure before making a change.

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 Research Hub case, Those observations could be normal while the stated fault persists. The specific mechanism is loop protection isolates unintended forwarding cycles at Layer 2

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 Research Hub case, Those observations could be normal while the stated fault persists. The specific mechanism is loop protection isolates unintended forwarding cycles at Layer 2

D:

This is relevant to ACL direction and interface, where stateless ACL effectiveness depends on interface attachment direction and rule order In the Research Hub case, Those observations could be normal while the stated fault persists. The specific mechanism is loop protection isolates unintended forwarding cycles at Layer 2

Question 1146

At North Library, large application transfers fail after a 9k-MTU server uplink crosses a 1500-byte campus segment. Which TWO responses together provide a direct implementation and a continuing safeguard for the stated risk? Select TWO answers.

  1. Never expand a trunk to all VLANs merely to resolve one missing segment.
  2. Do not enable jumbo frames on one device without validating intermediate hops.
  3. Set the switchport as an access member of the correct VLAN with matching policy.
  4. Align MTU and encapsulation requirements across the complete supported forwarding path.

Explanation

Correct Answers

B:

This is the continuing risk-control element for North Library. Do not enable jumbo frames on one device without validating intermediate hops 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 path's effective MTU is limited by the smallest supported segment and encapsulation overhead. The specific action Align MTU and encapsulation requirements across the complete supported forwarding path addresses the stated fault; the question also requires a persistent risk control.

Incorrect Answers

A:

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 End-to-end MTU and frames requirement in North Library and is not one of the two controls requested. The direct mechanism here is a path's effective MTU is limited by the smallest supported segment and encapsulation overhead

C:

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 End-to-end MTU and frames requirement in North Library and is not one of the two controls requested. The direct mechanism here is a path's effective MTU is limited by the smallest supported segment and encapsulation overhead

Question 1147

At Lakeside Classroom, slow legacy devices occupy a disproportionate share of WLAN airtime. Which TWO responses together provide a direct implementation and a continuing safeguard for the stated risk? Select TWO answers.

  1. Classify trusted voice and remark untrusted DSCP at the correct campus boundary.
  2. Maintain consistent DSCP-to-WMM mapping end to end.
  3. Avoid starving an approved low-rate medical or industrial device.
  4. Apply suitable airtime fairness based on business-critical legacy endpoint needs.

Explanation

Correct Answers

C:

This is the continuing risk-control element for Lakeside Classroom. Avoid starving an approved low-rate medical or industrial device 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 Lakeside Classroom case: Wireless performance must account for airtime occupancy as a shared resource. The specific action Apply suitable airtime fairness based on business-critical legacy endpoint needs addresses the stated fault; the question also requires a persistent risk control.

Incorrect Answers

A:

This may be a configuration step for DSCP trust boundary: QoS trust boundaries determine which received packet markings affect forwarding priority. It does not resolve the Airtime fairness QoS requirement in Lakeside Classroom and is not one of the two controls requested. The direct mechanism here is wireless performance must account for airtime occupancy as a shared resource

B:

This may be an ongoing precaution for WMM access categories: 802.11e WMM prioritizes wireless contention via different access categories. It does not resolve the Airtime fairness QoS requirement in Lakeside Classroom and is not one of the two controls requested. The direct mechanism here is wireless performance must account for airtime occupancy as a shared resource

Question 1148

At Learning Commons, a wireless bridge connected incorrectly causes the same source MAC to appear on alternate LAG paths. Which diagnostic comparison would distinguish this fault from nearby mechanisms?

  1. Examine address-table moves STP states and physical neighbor paths.
  2. Examine frame-size drop counters PMTU behavior and VLAN/tunnel overhead.
  3. Examine neighbor LLDP-MED TLVs and phone versus PC VLAN tags.
  4. Examine hit counters rule ordering and packet direction for a controlled flow.

Explanation

Correct Answer

A:

For Learning Commons, the decisive mechanism is MAC address flapping. Repeated MAC address moves often indicate a changing Layer 2 path or loop. Inspect address-table moves STP states and physical neighbor paths is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

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 Learning Commons case, Those observations could be normal while the stated fault persists. The specific mechanism is repeated MAC address moves often indicate a changing Layer 2 path or loop

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 Learning Commons case, Those observations could be normal while the stated fault persists. The specific mechanism is repeated MAC address moves often indicate a changing Layer 2 path or loop

D:

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, Those observations could be normal while the stated fault persists. The specific mechanism is repeated MAC address moves often indicate a changing Layer 2 path or loop

Question 1149

At Medical Annex, adjacent classrooms reuse one 5-GHz channel and show high channel utilization. Which observation most directly isolates the likely cause before any change?

  1. Inspect co-channel AP visibility airtime utilization and contention counters.
  2. Compare spatial signal maps channel overlap and client roaming behavior.
  3. Inspect portal redirect RADIUS or guest authorization events and the effective client role.
  4. Inspect cluster health tunnel termination count CPU and per-member forwarding.

Explanation

Correct Answer

A:

For Medical Annex, the decisive mechanism is Co-channel contention. Co-channel APs share contention airtime even if their signals are individually strong. Inspect co-channel AP visibility airtime utilization and contention counters is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

B:

This is relevant to AP power and cell geometry, where aP placement and transmit power affect cell coverage and roaming boundaries In the Medical Annex case, Those observations could be normal while the stated fault persists. The specific mechanism is co-channel APs share contention airtime even if their signals are individually strong

C:

This is relevant to Guest portal and role, where captive portal authentication and post-login role enforcement are separate controls In the Medical Annex case, Those observations could be normal while the stated fault persists. The specific mechanism is co-channel APs share contention airtime even if their signals are individually strong

D:

This is relevant to Gateway cluster resiliency, where tunneled service resilience requires usable gateway capacity and working AP tunnels In the Medical Annex case, Those observations could be normal while the stated fault persists. The specific mechanism is co-channel APs share contention airtime even if their signals are individually strong

Question 1150

At Bayside Campus, an endpoint sends rogue router advertisements and laptops select an unapproved IPv6 default router. 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. Apply supported IPv6 RA guard at untrusted access interfaces with authorized router boundaries.
  3. Align native VLAN configuration and avoid using native VLAN for untrusted access where possible.
  4. Set the switchport as an access member of the correct VLAN with matching policy.

Explanation

Correct Answer

B:

For Bayside Campus, the decisive mechanism is IPv6 RA guard. IPv6 RA guard limits unauthorized router advertisements on access links. Apply supported IPv6 RA guard at untrusted access interfaces with authorized router boundaries 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 Bayside Campus case, Changing that neighboring feature does not implement the missing function. The specific mechanism is iPv6 RA guard limits unauthorized router advertisements on access links

C:

This is relevant to Native VLAN mismatch, where a native VLAN defines forwarding for untagged frames on a VLAN-aware trunk In the Bayside Campus case, Changing that neighboring feature does not implement the missing function. The specific mechanism is iPv6 RA guard limits unauthorized router advertisements on access links

D:

This is relevant to Access VLAN classification, where an access port carries untagged frames in one configured access VLAN In the Bayside Campus case, Changing that neighboring feature does not implement the missing function. The specific mechanism is iPv6 RA guard limits unauthorized router advertisements on access links