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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 60

Question 590

At South Science Wing, a guest segment accidentally receives RA messages from a newly connected third-party gateway. Which controlled configuration is most likely to restore the required service?

  1. Synchronize native VLAN configuration and avoid using native VLAN for untrusted access where possible.
  2. Establish the switchport as an access member of the correct VLAN with matching policy.
  3. Permit required tagged VLANs on both trunk interfaces while restricting unnecessary VLANs.
  4. Apply supported IPv6 RA guard at untrusted access interfaces with authorized router boundaries.

Explanation

Correct Answer

D:

For South Science Wing, 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 Native VLAN mismatch, where a native VLAN defines forwarding for untagged frames on a VLAN-aware trunk In the South Science Wing 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

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, 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 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, Changing that neighboring feature does not implement the missing function. The specific mechanism is iPv6 RA guard limits unauthorized router advertisements on access links

Question 591

At Hillcrest Campus, two campus edge devices show TCP port 179 open but BGP never reaches Established. What targeted evidence should the network engineer collect first?

  1. Inspect route table recursive next-hop resolution and ARP reachability.
  2. Inspect IPv6 link-local neighbors OSPFv3 interface area and router ID.
  3. Inspect BGP neighbor state notifications and configured ASN values.
  4. Compare default prefixes distances next-hop health and forwarding decisions.

Explanation

Correct Answer

C:

For Hillcrest Campus, the decisive mechanism is BGP neighbor ASN mismatch. BGP adjacency requires consistent peer addressing and ASN relationships. Inspect BGP neighbor state notifications and configured ASN values is the most direct way to isolate this particular failure before making a change.

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 Hillcrest Campus case, Those observations could be normal while the stated fault persists. The specific mechanism is bGP adjacency requires consistent peer addressing and ASN relationships

B:

This is relevant to IPv6 OSPFv3 adjacency, where oSPFv3 exchanges IPv6 routing information through a separately configured protocol process In the Hillcrest Campus case, Those observations could be normal while the stated fault persists. The specific mechanism is bGP adjacency requires consistent peer addressing and ASN relationships

D:

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 Hillcrest Campus case, Those observations could be normal while the stated fault persists. The specific mechanism is bGP adjacency requires consistent peer addressing and ASN relationships

Question 592

At West Clinic, a replacement distribution switch uses the wrong LACP partner setting and one member is suspended. How should the engineer validate success against the stated requirement?

  1. Demonstrate both members are selected and eligible under normal operation.
  2. Demonstrate the phone uses the voice VLAN while the PC remains in the data VLAN.
  3. Run controlled large-payload tests and confirm reliable path MTU behavior.
  4. Permit a specifically authorized app and block the matching forbidden traffic.

Explanation

Correct Answer

A:

For West Clinic, the decisive mechanism is Dynamic LACP bundle. LACP negotiates physical links into a logical bundle; simply cabling two ports is insufficient. Verify both members are selected and eligible under normal operation supplies measurable, case-relevant evidence that the intended behavior actually occurs.

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 Clinic case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is lACP negotiates physical links into a logical bundle; simply cabling two ports is insufficient

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 Clinic case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is lACP negotiates physical links into a logical bundle; simply cabling two ports is insufficient

D:

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, That test could pass while the actual user-facing requirement still fails. The specific mechanism is lACP negotiates physical links into a logical bundle; simply cabling two ports is insufficient

Question 593

At North Residence, a busy office reuses channels and some radios report high neighboring-BSS interference. Which diagnostic comparison would distinguish this fault from nearby mechanisms?

  1. Examine co-channel AP visibility airtime utilization and contention counters.
  2. Capture spectrum occupancy and distinguish overlapping-channel interference from co-channel reuse.
  3. Examine surveyed RSSI SNR channel use and roaming measurements at user positions.
  4. Examine color collision reports channel busy time and supported client behavior.

Explanation

Correct Answer

D:

For North Residence, the decisive mechanism is BSS coloring and spatial reuse. 802.11ax BSS coloring assists differentiation of overlapping transmissions under constraints. Inspect color collision reports channel busy time and supported client behavior 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 802.11ax BSS coloring assists differentiation of overlapping transmissions under constraints

B:

This is relevant to Adjacent-channel overlap, where adjacent-channel overlap can corrupt transmissions without the coordination of co-channel sharing In the North Residence case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.11ax BSS coloring assists differentiation of overlapping transmissions under constraints

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 North Residence case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.11ax BSS coloring assists differentiation of overlapping transmissions under constraints

Question 594

At West Clinic, a campus UXI probe reaches the Internet but fails internal identity service authentication. Which investigation most directly explains why the intended service is not working?

  1. Inspect active mirror state source interface and capture interface counters.
  2. Inspect NAE agent status monitored resource expression and recent event history.
  3. Inspect each synthetic step and route from the sensor's actual network.
  4. Inspect alert event types site filtering and delivery destinations.

Explanation

Correct Answer

C:

For West Clinic, the decisive mechanism is UXI internal and external tests. Internal and external synthetic tests isolate distinct service paths and failure domains. Inspect each synthetic step and route from the sensor's actual network is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to Port mirroring PCAP, where port mirroring copies selected frames for observation but is not a live forwarding path In the West Clinic case, Those observations could be normal while the stated fault persists. The specific mechanism is internal and external synthetic tests isolate distinct service paths and failure domains

B:

This is relevant to NAE monitor rule, where nAE agents monitor local switch state and can correlate rule conditions over time In the West Clinic case, Those observations could be normal while the stated fault persists. The specific mechanism is internal and external synthetic tests isolate distinct service paths and failure domains

D:

This is relevant to Central alert scope, where a management alert must be scoped to the correct managed devices and policy In the West Clinic case, Those observations could be normal while the stated fault persists. The specific mechanism is internal and external synthetic tests isolate distinct service paths and failure domains

Question 595

At Medical Annex, a camera on a newly patched switchport obtains an office-user address from the wrong VLAN. What should be examined to confirm the actual failure mechanism?

  1. Examine interface VLAN mode learned MAC address and DHCP lease subnet.
  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 Medical Annex, the decisive mechanism is Access VLAN classification. An access port carries untagged frames in one configured access VLAN. Inspect interface VLAN mode learned MAC address and DHCP lease subnet 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 Medical Annex case, Those observations could be normal while the stated fault persists. The specific mechanism is an access port carries untagged frames in one configured access VLAN

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 Medical Annex case, Those observations could be normal while the stated fault persists. 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, Those observations could be normal while the stated fault persists. The specific mechanism is an access port carries untagged frames in one configured access VLAN

Question 596

At North Residence, voIP phones mark DSCP EF but a distribution switch overwrites it to best effort. Which check provides the most useful information for fixing this deployment?

  1. Inspect roaming client RSSI overlap and channel utilization across cells.
  2. Inspect input DSCP markings trust state and egress queue classification.
  3. Inspect group subscriptions multicast airtime and converted frame counts.
  4. Inspect associated bands steering outcomes and per-band utilization.

Explanation

Correct Answer

B:

For North Residence, the decisive mechanism is DSCP trust boundary. QoS trust boundaries determine which received packet markings affect forwarding priority. Inspect input DSCP markings trust state and egress queue classification is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to RF power tuning, where excess transmit power can increase interference and sticky-client behavior In the North Residence case, Those observations could be normal while the stated fault persists. The specific mechanism is qoS trust boundaries determine which received packet markings affect forwarding priority

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 North Residence case, Those observations could be normal while the stated fault persists. The specific mechanism is qoS trust boundaries determine which received packet markings affect forwarding priority

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 North Residence case, Those observations could be normal while the stated fault persists. The specific mechanism is qoS trust boundaries determine which received packet markings affect forwarding priority

Question 597

At Learning Commons, an iBGP reflector advertises a prefix but receivers lack IGP reachability to its next hop. Which ongoing safeguard best limits the specific risk after rollout?

  1. Validate next-hop reachability when adding overlay transport changes.
  2. Review area settings as paired changes and preserve routing rollback.
  3. Avoid aggressive timers without observing CPU and path loss conditions.
  4. Secure internal prefixes with appropriate specific routes and reject unwanted default announcements.

Explanation

Correct Answer

A:

For Learning Commons, the decisive mechanism is BGP next-hop resolution. A BGP advertisement may be valid but unusable without next-hop reachability. Validate next-hop reachability when adding overlay transport changes is an enduring limitation on the operational risk, not simply a one-time passing test.

Incorrect Answers

B:

This is relevant to OSPF area membership, where oSPF neighbors on a link must agree on essential area and protocol parameters In the Learning Commons case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is a BGP advertisement may be valid but unusable without next-hop reachability

C:

This is relevant to OSPF hello and dead timers, where oSPF timer mismatches can prevent reliable adjacency even when IP connectivity exists In the Learning Commons case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is a BGP advertisement may be valid but unusable without next-hop reachability

D:

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 Learning Commons case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is a BGP advertisement may be valid but unusable without next-hop reachability

Question 598

At Research Hub, a wired label printer has no 802.1X supplicant and remains blocked on an authenticated access port. Which postchange observation is the strongest evidence of correct operation?

  1. Verify the registered headless device gets its narrow role while an unknown MAC is denied.
  2. Maintain authenticated sessions through the expected timer cycle in a controlled test.
  3. Verify a test contractor receives the correct restricted VLAN and no employee services.
  4. Verify permitted NOC commands work and prohibited configuration commands fail.

Explanation

Correct Answer

A:

For Research Hub, the decisive mechanism is MAB for headless IoT. MAB is a weaker fallback identity mechanism than certificate-based 802.1X. Verify the registered headless device gets its narrow role while an unknown MAC is denied supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

B:

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, That test could pass while the actual user-facing requirement still fails. 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 Research Hub case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is mAB is a weaker fallback identity mechanism than certificate-based 802.1X

D:

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, That test could pass while the actual user-facing requirement still fails. The specific mechanism is mAB is a weaker fallback identity mechanism than certificate-based 802.1X

Question 599

At North Library, a test client sends DHCP packets but the engineer sees none on an external capture laptop. Which test best differentiates real success from a merely healthy status light?

  1. Repeat representative traffic and demonstrate counters stay within accepted thresholds.
  2. Verify a controlled internal failure affects only the intended sensor test.
  3. Capture identifiable test traffic without dropping ordinary production forwarding.
  4. Read a test resource safely and confirm returned properties match the chosen selector.

Explanation

Correct Answer

C:

For North Library, the decisive mechanism is Port mirroring PCAP. Port mirroring copies selected frames for observation but is not a live forwarding path. Capture identifiable test traffic without dropping ordinary production forwarding supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to Switch telemetry counters, where interface counters help distinguish physical corruption from congestion drops In the North Library case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is port mirroring copies selected frames for observation but is not a live forwarding path

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 North Library case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is port mirroring copies selected frames for observation but is not a live forwarding path

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 North Library case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is port mirroring copies selected frames for observation but is not a live forwarding path

Question 600

At Main Data Center, a management-only deployment lacks a route from mgmt VRF to the monitoring collector. What should the engineer implement first to correct the stated condition?

  1. Establish the AP switchport VLAN tagging PoE and DHCP reachability according to the deployment mode.
  2. Choose approved bridge or tunneled forwarding mode and correctly map AP VLAN or gateway cluster.
  3. Add an authorized management-VRF route and correct source reachability for the target service.
  4. Set up compatible LACP membership and logical LAG settings across the supported endpoints.

Explanation

Correct Answer

C:

For Main Data Center, the decisive mechanism is Management VRF reachability. AOS-CX management VRF and default forwarding VRF may have separate reachability. Add an authorized management-VRF route and correct source reachability for the target service 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 Main Data Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is aOS-CX management VRF and default forwarding VRF may have separate reachability

B:

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 Main Data Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is aOS-CX management VRF and default forwarding VRF may have separate reachability

D:

This is relevant to LACP uplink provisioning, where lACP forms one logical bundle only when peers agree on aggregation parameters In the Main Data Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is aOS-CX management VRF and default forwarding VRF may have separate reachability