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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 120

Question 1190

At Arts Pavilion, a critical voice queue experiences latency because every egress queue uses weighted round-robin. Which investigation most directly explains why the intended service is not working?

  1. Inspect group subscriptions multicast airtime and converted frame counts.
  2. Inspect queue mappings weights and actual dropped/served traffic.
  3. Inspect roaming client RSSI overlap and channel utilization across cells.
  4. Inspect associated bands steering outcomes and per-band utilization.

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. Inspect queue mappings weights and actual dropped/served traffic 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 Arts Pavilion case, Those observations could be normal while the stated fault persists. The specific mechanism is priority scheduling affects service latency but requires careful queue sizing

C:

This is relevant to RF power tuning, where excess transmit power can increase interference and sticky-client behavior In the Arts Pavilion case, Those observations could be normal while the stated fault persists. The specific mechanism is priority scheduling affects service latency but requires careful queue sizing

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 Arts Pavilion case, Those observations could be normal while the stated fault persists. The specific mechanism is priority scheduling affects service latency but requires careful queue sizing

Question 1191

At Innovation Studio, a security analyst needs both ingress and egress frames on a switch uplink to isolate packet loss. Which change-management constraint best guards against recurrence?

  1. Treat cumulative counters as rates over time rather than interpreting raw lifetime totals.
  2. Grant least-privilege API access and back up intended modifications.
  3. Secure sensitive mirrored payloads and remove temporary sessions after testing.
  4. Position sensors where representative users connect and manage test credentials safely.

Explanation

Correct Answer

C:

For Innovation Studio, the decisive mechanism is Port mirroring PCAP. Port mirroring copies selected frames for observation but is not a live forwarding path. Protect sensitive mirrored payloads and remove temporary sessions after testing is an enduring limitation on the operational risk, not simply a one-time passing test.

Incorrect Answers

A:

This is relevant to Switch telemetry counters, where interface counters help distinguish physical corruption from congestion drops In the Innovation Studio case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is port mirroring copies selected frames for observation but is not a live forwarding path

B:

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 Innovation Studio case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is port mirroring copies selected frames for observation but is not a live forwarding path

D:

This is relevant to UXI internal and external tests, where internal and external synthetic tests isolate distinct service paths and failure domains In the Innovation Studio case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is port mirroring copies selected frames for observation but is not a live forwarding path

Question 1192

At Main Data Center, a high-power AP repeatedly reboots when a legacy switch port allocates insufficient PoE power. Which observation most directly isolates the likely cause before any change?

  1. Inspect management frames for authentication association rejection status and security mismatch.
  2. Inspect switch PoE allocation operational draw power-denial and AP boot-event evidence.
  3. Inspect EAPOL start identity exchange RADIUS decision and authenticated port status.
  4. Inspect per-port tag membership and tagged packet captures at the failing VLAN boundary.

Explanation

Correct Answer

B:

For Main Data Center, the decisive mechanism is PoE power negotiation. 802.3af at and bt power classes and the switch budget constrain device operation. Inspect switch PoE allocation operational draw power-denial and AP boot-event evidence is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

A:

This is relevant to 802.11 association sequence, where 802.11 discovery and association occur before user traffic can be successfully forwarded In the Main Data Center case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.3af at and bt power classes and the switch budget constrain device operation

C:

This is relevant to 802.1X EAPOL versus IP service, where 802.1X is port-based access control; IP configuration occurs after network admission In the Main Data Center case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.3af at and bt power classes and the switch budget constrain device operation

D:

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

Question 1193

At Engineering Tower, a campus branch configured an application route through a decommissioned firewall interface. Which preventive control is most relevant to this scenario over time?

  1. Prevent accidental broad route leaks across security domains.
  2. Audit IPv4/IPv6 protocol operation separately rather than assuming dual-stack parity.
  3. Retain route rollback and reachability checks before gateway migrations.
  4. Review helper addresses and routes together during subnet migrations.

Explanation

Correct Answer

C:

For Engineering Tower, the decisive mechanism is Static route next hop. A static route only forwards as intended when its next hop can be resolved. Keep route rollback and reachability checks before gateway migrations is an enduring limitation on the operational risk, not simply a one-time passing test.

Incorrect Answers

A:

This is relevant to VRF segmentation routing, where vRFs maintain separate forwarding and routing instances on supported devices In the Engineering Tower case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is a static route only forwards as intended when its next hop can be resolved

B:

This is relevant to IPv6 OSPFv3 adjacency, where oSPFv3 exchanges IPv6 routing information through a separately configured protocol process In the Engineering Tower case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is a static route only forwards as intended when its next hop can be resolved

D:

This is relevant to DHCP relay return routing, where dHCP relay requires a valid return path to the relay address and client network In the Engineering Tower case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is a static route only forwards as intended when its next hop can be resolved

Question 1194

At New Teaching Block, a repaired IoT endpoint should move to its normal role without disconnecting the cable. Which investigation most directly explains why the intended service is not working?

  1. Examine CoA delivery ACK/NAK and session role updates.
  2. Examine command authorization logs versus client-port authentication events.
  3. Examine RADIUS role attributes switch VLAN membership and DHCP address assignment.
  4. Examine EAP exchanges identity retries and reauthentication failure timestamps.

Explanation

Correct Answer

A:

For New Teaching Block, the decisive mechanism is RADIUS change of authorization. Change of Authorization can change an active network access session's policy state. Inspect CoA delivery ACK/NAK and session role updates is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

B:

This is relevant to TACACS+ admin AAA distinction, where administrative command authorization and client-port 802.1X solve different AAA problems In the New Teaching Block case, Those observations could be normal while the stated fault persists. The specific mechanism is change of Authorization can change an active network access session's policy state

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 New Teaching Block case, Those observations could be normal while the stated fault persists. The specific mechanism is change of Authorization can change an active network access session's policy state

D:

This is relevant to Supplicant reauthentication intervals, where wired reauthentication intervals can affect session continuity if handshake timing is inadequate In the New Teaching Block case, Those observations could be normal while the stated fault persists. The specific mechanism is change of Authorization can change an active network access session's policy state

Question 1195

At New Teaching Block, a route appears in the BGP table but never enters the IP route table because next hop is unreachable. Which practical change is best suited to this topology and its constraints?

  1. Set compatible OSPF interface hello and dead intervals on both peers.
  2. Provide a valid underlay path or justified next-hop policy for the advertised BGP prefix.
  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 New Teaching Block, the decisive mechanism is BGP next-hop resolution. A BGP advertisement may be valid but unusable without next-hop reachability. Provide a valid underlay path or justified next-hop policy for the advertised BGP prefix establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to OSPF hello and dead timers, where oSPF timer mismatches can prevent reliable adjacency even when IP connectivity exists In the New Teaching Block case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a BGP advertisement may be valid but unusable without next-hop reachability

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 New Teaching Block case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a BGP advertisement may be valid but unusable without next-hop reachability

D:

This is relevant to OSPF area membership, where oSPF neighbors on a link must agree on essential area and protocol parameters In the New Teaching Block case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a BGP advertisement may be valid but unusable without next-hop reachability

Question 1196

At Main Data Center, a voice-focused wing experiences rare roaming interruptions when APs leave DFS channels. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Adjust mounting antenna orientation and power using active RF measurements.
  2. Set up guest authentication flow and role transitions with appropriate enforcement.
  3. Apply supported clustered gateway configuration with capacity and software-version compatibility.
  4. Plan DFS-eligible channel use and client expectations based on regulation and service needs.

Explanation

Correct Answer

D:

For Main Data Center, the decisive mechanism is DFS event awareness. DFS channels require radar-related channel vacating behavior in supported regions. Plan DFS-eligible channel use and client expectations based on regulation and service needs establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to AP power and cell geometry, where aP placement and transmit power affect cell coverage and roaming boundaries In the Main Data Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is dFS channels require radar-related channel vacating behavior in supported regions

B:

This is relevant to Guest portal and role, where captive portal authentication and post-login role enforcement are separate controls In the Main Data Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is dFS channels require radar-related channel vacating behavior in supported regions

C:

This is relevant to Gateway cluster resiliency, where tunneled service resilience requires usable gateway capacity and working AP tunnels In the Main Data Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is dFS channels require radar-related channel vacating behavior in supported regions

Question 1197

At West Clinic, oSPF neighbors on a broadcast VLAN elect roles unexpectedly after one peer is set point-to-point. Which AOS-CX or Aruba networking design choice resolves this specific dependency?

  1. Enable matching OSPFv3 area/interface settings with valid IPv6 transport reachability.
  2. Configure supported VRRP with consistent virtual IP and safe priority/failover behavior.
  3. Use supported ECMP and account for session hash distribution across eligible paths.
  4. Choose compatible supported OSPF network type for the link topology.

Explanation

Correct Answer

D:

For West Clinic, the decisive mechanism is OSPF network type. OSPF network type affects hello behavior and DR election on multiaccess segments. Choose compatible supported OSPF network type for the link topology establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to IPv6 OSPFv3 adjacency, where oSPFv3 exchanges IPv6 routing information through a separately configured protocol process In the West Clinic case, Changing that neighboring feature does not implement the missing function. The specific mechanism is oSPF network type affects hello behavior and DR election on multiaccess segments

B:

This is relevant to First-hop gateway election, where VRRP abstracts the default gateway across eligible routing devices In the West Clinic case, Changing that neighboring feature does not implement the missing function. The specific mechanism is oSPF network type affects hello behavior and DR election on multiaccess segments

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 West Clinic case, Changing that neighboring feature does not implement the missing function. The specific mechanism is oSPF network type affects hello behavior and DR election on multiaccess segments

Question 1198

At Bayside Campus, an endpoint sends rogue router advertisements and laptops select an unapproved IPv6 default router. Which observation most directly isolates the likely cause before any change?

  1. Inspect untagged packet capture and both peers native VLAN configuration.
  2. Compare allowed VLAN list tagging and egress counters at both ends.
  3. Inspect captured RA source and IPv6 route preference on affected hosts.
  4. Inspect interface VLAN mode learned MAC address and DHCP lease subnet.

Explanation

Correct Answer

C:

For Bayside Campus, the decisive mechanism is IPv6 RA guard. IPv6 RA guard limits unauthorized router advertisements on access links. Inspect captured RA source and IPv6 route preference on affected hosts is the most direct way to isolate this particular failure before making a change.

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 Bayside Campus case, Those observations could be normal while the stated fault persists. The specific mechanism is iPv6 RA guard limits unauthorized router advertisements on access links

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 Bayside Campus case, Those observations could be normal while the stated fault persists. 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, Those observations could be normal while the stated fault persists. The specific mechanism is iPv6 RA guard limits unauthorized router advertisements on access links

Question 1199

At South Science Wing, iPTV multicast floods every access-port VLAN after a switch replacement. Which diagnostic comparison would distinguish this fault from nearby mechanisms?

  1. Inspect querier election receiver joins and multicast group forwarding table.
  2. Inspect untagged packet capture and both peers native VLAN configuration.
  3. Compare allowed VLAN list tagging and egress counters at both ends.
  4. Inspect interface VLAN mode learned MAC address and DHCP lease subnet.

Explanation

Correct Answer

A:

For South Science Wing, the decisive mechanism is IGMP multicast snooping. IGMP snooping constrains IPv4 multicast by observed group memberships. Inspect querier election receiver joins and multicast group forwarding table is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

B:

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, Those observations could be normal while the stated fault persists. The specific mechanism is iGMP snooping constrains IPv4 multicast by observed group memberships

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, Those observations could be normal while the stated fault persists. The specific mechanism is iGMP snooping constrains IPv4 multicast by observed group memberships

D:

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, Those observations could be normal while the stated fault persists. The specific mechanism is iGMP snooping constrains IPv4 multicast by observed group memberships

Question 1200

At Engineering Tower, an access switch becomes STP root after a firmware replacement and traffic takes a long path. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Set the appropriate spanning-tree priority to retain an intentional distribution root.
  2. Configure a separate reachable VSX keepalive path with valid source and peer addressing.
  3. Configure matching active-gateway address and MAC settings on the applicable VSX SVIs.
  4. Build a supported VSX ISL with enough capacity and verify peer state consistency.

Explanation

Correct Answer

A:

For Engineering Tower, the decisive mechanism is RSTP root placement. RSTP uses a root bridge and port roles to build a loop-free Layer 2 topology. Set the appropriate spanning-tree priority to retain an intentional distribution root establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

B:

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 rSTP uses a root bridge and port roles to build a loop-free Layer 2 topology

C:

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 rSTP uses a root bridge and port roles to build a loop-free Layer 2 topology

D:

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 rSTP uses a root bridge and port roles to build a loop-free Layer 2 topology