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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 79

Question 780

At Riverside Building, an AP on a PoE trunk receives power but lacks a route to Central discovery services. Which controlled acceptance test demonstrates the required behavior?

  1. Reach the approved server from the intended management interface without leaking access VLANs.
  2. Check the effective deployed settings match the intended group policy on a pilot device.
  3. See the AP obtain correct management addressing and report online in Central.
  4. Show the right device online under the approved group and site without exposing another tenant.

Explanation

Correct Answer

C:

For Riverside Building, the decisive mechanism is AP uplink physical mapping. AP service onboarding depends on both physical power and the upstream management network. See the AP obtain correct management addressing and report online in Central supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to Management VRF reachability, where aOS-CX management VRF and default forwarding VRF may have separate reachability In the Riverside Building case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is aP service onboarding depends on both physical power and the upstream management network

B:

This is relevant to Central group assignment, where central groups govern configuration inheritance while sites mainly aid location and operations In the Riverside Building case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is aP service onboarding depends on both physical power and the upstream management network

D:

This is relevant to Central device onboarding, where cloud inventory association and device management connectivity are separate onboarding requirements In the Riverside Building case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is aP service onboarding depends on both physical power and the upstream management network

Question 781

At Bayside Campus, two equal-cost campus routes exist but an engineer expects each packet to alternate links. Which investigation most directly explains why the intended service is not working?

  1. Inspect active equal-cost routes flow hashing and actual per-link counters.
  2. Inspect DBD neighbor events DR election and interface OSPF mode.
  3. Inspect OSPF hello packet area values network type and adjacency state.
  4. Inspect received hello timers and neighbor reset reasons.

Explanation

Correct Answer

A:

For Bayside Campus, the decisive mechanism is ECMP next-hop selection. ECMP typically spreads flows over equal-cost next hops, not necessarily one flow packet by packet. Inspect active equal-cost routes flow hashing and actual per-link counters is the most direct way to isolate this particular failure before making a change.

Incorrect Answers

B:

This is relevant to OSPF network type, where oSPF network type affects hello behavior and DR election on multiaccess segments In the Bayside Campus case, Those observations could be normal while the stated fault persists. The specific mechanism is eCMP typically spreads flows over equal-cost next hops, not necessarily one flow packet by packet

C:

This is relevant to OSPF area membership, where oSPF neighbors on a link must agree on essential area and protocol parameters In the Bayside Campus case, Those observations could be normal while the stated fault persists. The specific mechanism is eCMP typically spreads flows over equal-cost next hops, not necessarily one flow packet by packet

D:

This is relevant to OSPF hello and dead timers, where oSPF timer mismatches can prevent reliable adjacency even when IP connectivity exists In the Bayside Campus case, Those observations could be normal while the stated fault persists. The specific mechanism is eCMP typically spreads flows over equal-cost next hops, not necessarily one flow packet by packet

Question 782

At Technology Center, a dense arena has many APs on the same primary channel and increasing client retries. Which controlled configuration is most likely to restore the required service?

  1. Set up guest authentication flow and role transitions with appropriate enforcement.
  2. Adjust mounting antenna orientation and power using active RF measurements.
  3. Apply supported clustered gateway configuration with capacity and software-version compatibility.
  4. Apply an RF plan with reasonable channel reuse and channel width for expected density.

Explanation

Correct Answer

D:

For Technology Center, the decisive mechanism is Co-channel contention. Co-channel APs share contention airtime even if their signals are individually strong. Use an RF plan with reasonable channel reuse and channel width for expected density establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to Guest portal and role, where captive portal authentication and post-login role enforcement are separate controls In the Technology Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is co-channel APs share contention airtime even if their signals are individually strong

B:

This is relevant to AP power and cell geometry, where aP placement and transmit power affect cell coverage and roaming boundaries In the Technology Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is co-channel APs share contention airtime even if their signals are individually strong

C:

This is relevant to Gateway cluster resiliency, where tunneled service resilience requires usable gateway capacity and working AP tunnels In the Technology Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is co-channel APs share contention airtime even if their signals are individually strong

Question 783

At Lakeside Classroom, tunneled staff SSID clients cannot access services when gateway cluster reachability is lost. What safety boundary prevents the same campus failure in future deployments?

  1. Plan gateway redundancy and capacity for tunneled WLAN clients.
  2. Repeat surveys after major layout or material changes rather than trusting only plans.
  3. Track both RF signal and noise as part of acceptance tests.
  4. Avoid excessive AP transmit power that creates broad overlapping cells.

Explanation

Correct Answer

A:

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. Plan gateway redundancy and capacity for tunneled WLAN clients is an enduring limitation on the operational risk, not simply a one-time passing test.

Incorrect Answers

B:

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, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is tunnel forwarding places client data on the gateway datapath rather than a local bridged VLAN

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 Lakeside Classroom case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is tunnel forwarding places client data on the gateway datapath rather than a local bridged VLAN

D:

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, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is tunnel forwarding places client data on the gateway datapath rather than a local bridged VLAN

Question 784

At New Teaching Block, a route appears in the BGP table but never enters the IP route table because next hop is unreachable. What observable outcome would prove this repair actually works?

  1. Confirm stable adjacency and intended timeout behavior after a controlled link loss.
  2. Verify Internet-bound test flows use the intended route while campus-specific routes remain valid.
  3. Verify the route becomes active and a test destination forwards through the correct peer.
  4. Verify Full adjacency and appropriate route propagation for a test network.

Explanation

Correct Answer

C:

For New Teaching Block, the decisive mechanism is BGP next-hop resolution. A BGP advertisement may be valid but unusable without next-hop reachability. Verify the route becomes active and a test destination forwards through the correct peer supplies measurable, case-relevant evidence that the intended behavior actually occurs.

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, That test could pass while the actual user-facing requirement still fails. The specific mechanism is a BGP advertisement may be valid but unusable without next-hop reachability

B:

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, That test could pass while the actual user-facing requirement still fails. 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, That test could pass while the actual user-facing requirement still fails. The specific mechanism is a BGP advertisement may be valid but unusable without next-hop reachability

Question 785

At Convention Center, a campus voice call has good bandwidth but suffers jitter whenever file transfers begin. Which AOS-CX or Aruba networking design choice resolves this specific dependency?

  1. Prioritize authenticated voice appropriately and reduce contention on affected paths.
  2. Tune supported band steering with proper 5-GHz coverage and compatibility checks.
  3. Evaluate supported multicast conversion and membership control for the audience size.
  4. Classify trusted voice and remark untrusted DSCP at the correct campus boundary.

Explanation

Correct Answer

A:

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. Prioritize authenticated voice appropriately and reduce contention on affected paths establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

B:

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, Changing that neighboring feature does not implement the missing function. The specific mechanism is real-time voice quality depends on delay variation and loss more than raw peak throughput

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 Convention Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is real-time voice quality depends on delay variation and loss more than raw peak throughput

D:

This is relevant to DSCP trust boundary, where qoS trust boundaries determine which received packet markings affect forwarding priority In the Convention Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is real-time voice quality depends on delay variation and loss more than raw peak throughput

Question 786

At South Science Wing, iPTV multicast floods every access-port VLAN after a switch replacement. What recurring protection should accompany this configuration?

  1. Document native VLAN consistently and keep sensitive VLANs tagged.
  2. Maintain querier redundancy and monitor joins when topology changes.
  3. Never expand a trunk to all VLANs merely to resolve one missing segment.
  4. Deny unapproved client VLAN changes and review port moves before deployment.

Explanation

Correct Answer

B:

For South Science Wing, the decisive mechanism is IGMP multicast snooping. IGMP snooping constrains IPv4 multicast by observed group memberships. Maintain querier redundancy and monitor joins when topology changes is an enduring limitation on the operational risk, not simply a one-time passing test.

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, A precaution for another failure mode is not the enduring boundary needed here. 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, A precaution for another failure mode is not the enduring boundary needed here. 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, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is iGMP snooping constrains IPv4 multicast by observed group memberships

Question 787

At New Teaching Block, an IPv4 route points to a next hop with no return path and traceroute ends at the gateway. Which postchange observation is the strongest evidence of correct operation?

  1. Obtain the expected lease plus gateway and DNS with valid test credentials.
  2. Prove permitted bidirectional application traffic reaches the endpoint.
  3. Replace the suspect physical component and verify error rates stabilize under traffic.
  4. Correct the applicable rule and see authorized identity succeed while unknown clients fail.

Explanation

Correct Answer

B:

For New Teaching Block, the decisive mechanism is Routed blackhole. Route presence alone does not prove usable bidirectional forwarding. Prove permitted bidirectional application traffic reaches the endpoint supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to DHCP address-acquisition failure, where network authorization and DHCP allocation are separate stages requiring their own diagnostics In the New Teaching Block case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is route presence alone does not prove usable bidirectional forwarding

C:

This is relevant to Physical-link errors, where layer 1/2 corruption can degrade packets even though link status remains up In the New Teaching Block case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is route presence alone does not prove usable bidirectional forwarding

D:

This is relevant to RADIUS Access-Reject root cause, where an explicit RADIUS reject can come from credential validation or authorization policy In the New Teaching Block case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is route presence alone does not prove usable bidirectional forwarding

Question 788

At Bayside Campus, a NOC deploys wired-user RADIUS credentials for management operations that need command-level authorization. What observable outcome would prove this repair actually works?

  1. Block the primary in a lab and verify configured fallback behavior.
  2. Demonstrate the accepted identity receives the intended permissions and IP subnet.
  3. Demonstrate permitted NOC commands work and prohibited configuration commands fail.
  4. Connect a managed laptop and verify authorized access only after authentication.

Explanation

Correct Answer

C:

For Bayside Campus, the decisive mechanism is TACACS+ admin AAA distinction. Administrative command authorization and client-port 802.1X solve different AAA problems. Verify permitted NOC commands work and prohibited configuration commands fail supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to RADIUS authorization timeout, where authentication server reachability and retry order influence network-admission decisions In the Bayside Campus case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is administrative command authorization and client-port 802.1X solve different AAA problems

B:

This is relevant to ClearPass enforcement attributes, where an Access-Accept alone does not guarantee the intended authorization role was applied In the Bayside Campus case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is administrative command authorization and client-port 802.1X solve different AAA problems

D:

This is relevant to Wired 802.1X port access, where 802.1X authorizes port traffic through EAPOL and the authentication server decision In the Bayside Campus case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is administrative command authorization and client-port 802.1X solve different AAA problems

Question 789

At West Auditorium, a template changed VLAN-instance map on half the distribution switches. What measured or witnessed result should be required before signoff?

  1. Demonstrate the phone uses the voice VLAN while the PC remains in the data VLAN.
  2. Check expected per-instance root and path behavior after a planned uplink change.
  3. Permit a specifically authorized app and block the matching forbidden traffic.
  4. Run controlled large-payload tests and confirm reliable path MTU behavior.

Explanation

Correct Answer

B:

For West Auditorium, the decisive mechanism is MST region matching. MSTP maps VLANs to spanning-tree instances inside a consistent region. Confirm expected per-instance root and path behavior after a planned uplink change 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 West Auditorium case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is mSTP maps VLANs to spanning-tree instances inside a consistent region

C:

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, That test could pass while the actual user-facing requirement still fails. The specific mechanism is mSTP maps VLANs to spanning-tree instances inside a consistent region

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 Auditorium case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is mSTP maps VLANs to spanning-tree instances inside a consistent region

Question 790

At Riverside Building, two cables connect an access stack to aggregation but only one LACP member forwards. Which controlled configuration is most likely to restore the required service?

  1. Configure compatible LACP membership and logical LAG settings across the supported endpoints.
  2. Bind the device to its approved group and review group-level settings and local overrides.
  3. Verify subscription device identity Central assignment and management reachability in the authorized tenant.
  4. Add an authorized management-VRF route and correct source reachability for the target service.

Explanation

Correct Answer

A:

For Riverside Building, the decisive mechanism is LACP uplink provisioning. LACP forms one logical bundle only when peers agree on aggregation parameters. Configure compatible LACP membership and logical LAG settings across the supported endpoints establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

B:

This is relevant to Central group assignment, where central groups govern configuration inheritance while sites mainly aid location and operations In the Riverside Building case, Changing that neighboring feature does not implement the missing function. The specific mechanism is lACP forms one logical bundle only when peers agree on aggregation parameters

C:

This is relevant to Central device onboarding, where cloud inventory association and device management connectivity are separate onboarding requirements In the Riverside Building case, Changing that neighboring feature does not implement the missing function. The specific mechanism is lACP forms one logical bundle only when peers agree on aggregation parameters

D:

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