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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 38

Question 370

At Garden Hall, an AOS-CX distribution switch has a static default route pointing at an unreachable next hop. Which TWO responses together provide a direct implementation and a continuing safeguard for the stated risk? Select TWO answers.

  1. Keep route rollback and reachability checks before gateway migrations.
  2. Enable matching OSPFv3 area/interface settings with valid IPv6 transport reachability.
  3. Review helper addresses and routes together during subnet migrations.
  4. Install a valid static route with a resolvable next hop and appropriate administrative distance.

Explanation

Correct Answers

A:

This is the continuing risk-control element for Garden Hall. Keep route rollback and reachability checks before gateway migrations 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 Garden Hall case: A static route only forwards as intended when its next hop can be resolved. The specific action Install a valid static route with a resolvable next hop and appropriate administrative distance addresses the stated fault; the question also requires a persistent risk control.

Incorrect Answers

B:

This may be a configuration step for IPv6 OSPFv3 adjacency: OSPFv3 exchanges IPv6 routing information through a separately configured protocol process. It does not resolve the Static route next hop requirement in Garden Hall and is not one of the two controls requested. The direct mechanism here is a static route only forwards as intended when its next hop can be resolved

C:

This may be an ongoing precaution for DHCP relay return routing: DHCP relay requires a valid return path to the relay address and client network. It does not resolve the Static route next hop requirement in Garden Hall and is not one of the two controls requested. The direct mechanism here is a static route only forwards as intended when its next hop can be resolved

Question 371

At Technology Center, a campus AP fleet has hundreds of harmless alerts while one critical gateway cluster fault is buried. Which configuration change best fits the network requirement and observed behavior?

  1. Collect interface error discard and utilization counters with suitable baseline intervals.
  2. Tune authorized Central alert scope severity and target inventory membership.
  3. Use documented REST selectors and read writable fields before controlled updates.
  4. Configure complementary UXI internal service and external Internet tests.

Explanation

Correct Answer

B:

For Technology Center, the decisive mechanism is Central alert scope. A management alert must be scoped to the correct managed devices and policy. Tune authorized Central alert scope severity and target inventory membership establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to Switch telemetry counters, where interface counters help distinguish physical corruption from congestion drops In the Technology Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a management alert must be scoped to the correct managed devices and policy

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 Technology Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a management alert must be scoped to the correct managed devices and policy

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 Technology Center case, Changing that neighboring feature does not implement the missing function. The specific mechanism is a management alert must be scoped to the correct managed devices and policy

Question 372

At New Teaching Block, voice handsets lose call continuity during long full-authentication roams. Which diagnostic comparison would distinguish this fault from nearby mechanisms?

  1. Inspect surveyed RSSI SNR channel use and roaming measurements at user positions.
  2. Compare spatial signal maps channel overlap and client roaming behavior.
  3. Inspect FT authentication exchanges roam times and client compatibility.
  4. Inspect portal redirect RADIUS or guest authorization events and the effective client role.

Explanation

Correct Answer

C:

For New Teaching Block, the decisive mechanism is 802.11r fast transition. 802.11r enables fast BSS transition to shorten supported reauthentication during roaming. Inspect FT authentication exchanges roam times and client compatibility 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 New Teaching Block case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.11r enables fast BSS transition to shorten supported reauthentication during roaming

B:

This is relevant to AP power and cell geometry, where aP placement and transmit power affect cell coverage and roaming boundaries In the New Teaching Block case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.11r enables fast BSS transition to shorten supported reauthentication during roaming

D:

This is relevant to Guest portal and role, where captive portal authentication and post-login role enforcement are separate controls In the New Teaching Block case, Those observations could be normal while the stated fault persists. The specific mechanism is 802.11r enables fast BSS transition to shorten supported reauthentication during roaming

Question 373

At Engineering Tower, a 1-Gb campus uplink drops to half duplex after a transceiver change while both devices report carrier. Which controlled acceptance test demonstrates the required behavior?

  1. Pass tagged test frames for the intended VLAN while proving unauthorized VLANs remain blocked.
  2. Confirm 802.1X authorized state then obtain a lease on the assigned VLAN.
  3. Run bidirectional throughput tests with no late collisions or increasing CRC errors.
  4. Prove the client completes association and then separately completes its enterprise authentication.

Explanation

Correct Answer

C:

For Engineering Tower, the decisive mechanism is Ethernet negotiation and duplex. 802.3 physical link negotiation precedes Layer 2 and Layer 3 service validation. Run bidirectional throughput tests with no late collisions or increasing CRC errors supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to 802.1Q VLAN tagging, where 802.1Q tagging preserves logical broadcast-domain identity over shared Ethernet links In the Engineering Tower case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is 802.3 physical link negotiation precedes Layer 2 and Layer 3 service validation

B:

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 Engineering Tower case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is 802.3 physical link negotiation precedes Layer 2 and Layer 3 service validation

D:

This is relevant to 802.11 association sequence, where 802.11 discovery and association occur before user traffic can be successfully forwarded In the Engineering Tower case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is 802.3 physical link negotiation precedes Layer 2 and Layer 3 service validation

Question 374

At South Science Wing, a high-volume single flow saturates one uplink although both ECMP next hops are installed. Which configuration change best fits the network requirement and observed behavior?

  1. Choose compatible supported OSPF network type for the link topology.
  2. Establish compatible OSPF interface hello and dead intervals on both peers.
  3. Synchronize OSPF area ID and supported area type at both neighboring interfaces.
  4. Apply supported ECMP and account for session hash distribution across eligible paths.

Explanation

Correct Answer

D:

For South Science Wing, the decisive mechanism is ECMP next-hop selection. ECMP typically spreads flows over equal-cost next hops, not necessarily one flow packet by packet. Use supported ECMP and account for session hash distribution across eligible paths establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to OSPF network type, where oSPF network type affects hello behavior and DR election on multiaccess segments In the South Science Wing case, Changing that neighboring feature does not implement the missing function. The specific mechanism is eCMP typically spreads flows over equal-cost next hops, not necessarily one flow packet by packet

B:

This is relevant to OSPF hello and dead timers, where oSPF timer mismatches can prevent reliable adjacency even when IP connectivity exists In the South Science Wing case, Changing that neighboring feature does not implement the missing function. 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 South Science Wing case, Changing that neighboring feature does not implement the missing function. The specific mechanism is eCMP typically spreads flows over equal-cost next hops, not necessarily one flow packet by packet

Question 375

At Hillcrest Campus, an enterprise changes uplink preference but the local BGP policy still selects the old path. Which AOS-CX or Aruba networking design choice resolves this specific dependency?

  1. Synchronize OSPF area ID and supported area type at both neighboring interfaces.
  2. Install a valid static route with a resolvable next hop and appropriate administrative distance.
  3. Restore an authorized default next hop and deliberate route preferences.
  4. Apply reviewed BGP local-preference policy consistently within the relevant AS.

Explanation

Correct Answer

D:

For Hillcrest Campus, the decisive mechanism is BGP local preference. Local preference guides outbound BGP best-path selection inside one autonomous system. Apply reviewed BGP local-preference policy consistently within the relevant AS establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to OSPF area membership, where oSPF neighbors on a link must agree on essential area and protocol parameters In the Hillcrest Campus case, Changing that neighboring feature does not implement the missing function. The specific mechanism is local preference guides outbound BGP best-path selection inside one autonomous system

B:

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, Changing that neighboring feature does not implement the missing function. The specific mechanism is local preference guides outbound BGP best-path selection inside one autonomous system

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 Hillcrest Campus case, Changing that neighboring feature does not implement the missing function. The specific mechanism is local preference guides outbound BGP best-path selection inside one autonomous system

Question 376

At North Residence, an AP bridges guest traffic to an unexpected switch VLAN after its SSID forward mode changes. Which implementation directly addresses this campus fault without replacing the wrong component?

  1. Bind the device to its approved group and review group-level settings and local overrides.
  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. Verify subscription device identity Central assignment and management reachability in the authorized tenant.

Explanation

Correct Answer

B:

For North Residence, the decisive mechanism is Bridge versus tunneled WLAN traffic. Bridge SSIDs forward locally; tunneled SSIDs use the gateway data path for policy. Choose approved bridge or tunneled forwarding mode and correctly map AP VLAN or gateway cluster establishes the needed configuration in the case rather than merely measuring a symptom.

Incorrect Answers

A:

This is relevant to Central group assignment, where central groups govern configuration inheritance while sites mainly aid location and operations In the North Residence case, Changing that neighboring feature does not implement the missing function. The specific mechanism is bridge SSIDs forward locally; tunneled SSIDs use the gateway data path for policy

C:

This is relevant to Management VRF reachability, where aOS-CX management VRF and default forwarding VRF may have separate reachability In the North Residence case, Changing that neighboring feature does not implement the missing function. The specific mechanism is bridge SSIDs forward locally; tunneled SSIDs use the gateway data path for policy

D:

This is relevant to Central device onboarding, where cloud inventory association and device management connectivity are separate onboarding requirements In the North Residence case, Changing that neighboring feature does not implement the missing function. The specific mechanism is bridge SSIDs forward locally; tunneled SSIDs use the gateway data path for policy

Question 377

At Garden Hall, a new automation overwrites unspecified AOS-CX attributes by using an incomplete PUT body. What targeted evidence should the network engineer collect first?

  1. Examine NAE agent status monitored resource expression and recent event history.
  2. Examine requested API version selector depth and response attribute groups.
  3. Examine active mirror state source interface and capture interface counters.
  4. Examine per-test DHCP DNS HTTP stage timing and sensor health.

Explanation

Correct Answer

B:

For Garden Hall, the decisive mechanism is REST API selector use. REST representation selection and HTTP method choice affect what configuration is retrieved or changed. Inspect requested API version selector depth and response attribute groups is the most direct way to isolate this particular failure before making a change.

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, Those observations could be normal while the stated fault persists. The specific mechanism is rEST representation selection and HTTP method choice affect what configuration is retrieved or changed

C:

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, Those observations could be normal while the stated fault persists. The specific mechanism is rEST representation selection and HTTP method choice affect what configuration is retrieved or changed

D:

This is relevant to UXI client experience probes, where uXI sensors run synthetic end-user workflows to reveal service-layer failures In the Garden Hall case, Those observations could be normal while the stated fault persists. The specific mechanism is rEST representation selection and HTTP method choice affect what configuration is retrieved or changed

Question 378

At Athletics Complex, an AOS-CX switch exposes its HTTPS admin portal on user-access networks. What safety boundary prevents the same campus failure in future deployments?

  1. Apply least privilege and log management configuration changes.
  2. Protect CA trust and plan certificate renewal before deployment deadlines.
  3. Plan tested transition for legacy devices without weakening all WLANs.
  4. Never direct users to blindly accept arbitrary authentication server certificates.

Explanation

Correct Answer

A:

For Athletics Complex, the decisive mechanism is Management plane protection. Data-plane forwarding policy does not automatically secure device management services. Apply least privilege and log management configuration changes is an enduring limitation on the operational risk, not simply a one-time passing test.

Incorrect Answers

B:

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 Athletics Complex case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is data-plane forwarding policy does not automatically secure device management services

C:

This is relevant to WPA3 Enterprise compatibility, where wPA3-Enterprise builds on supported enterprise security capabilities with stronger protections In the Athletics Complex case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is data-plane forwarding policy does not automatically secure device management services

D:

This is relevant to EAP-TLS RADIUS server certificate, where mutual TLS requires client-side confidence in the EAP server identity In the Athletics Complex case, A precaution for another failure mode is not the enduring boundary needed here. The specific mechanism is data-plane forwarding policy does not automatically secure device management services

Question 379

At Lakeside Classroom, an access ACL was created but applied outbound instead of inbound, leaving IoT flows allowed. Which diagnostic comparison would distinguish this fault from nearby mechanisms?

  1. Inspect hit counters rule ordering and packet direction for a controlled flow.
  2. Inspect untagged packet capture and both peers native VLAN configuration.
  3. Inspect interface VLAN mode learned MAC address and DHCP lease subnet.
  4. Compare allowed VLAN list tagging and egress counters at both ends.

Explanation

Correct Answer

A:

For Lakeside Classroom, the decisive mechanism is ACL direction and interface. Stateless ACL effectiveness depends on interface attachment direction and rule order. Inspect hit counters rule ordering and packet direction for a controlled flow 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 Lakeside Classroom case, Those observations could be normal while the stated fault persists. The specific mechanism is stateless ACL effectiveness depends on interface attachment direction and rule order

C:

This is relevant to Access VLAN classification, where an access port carries untagged frames in one configured access VLAN In the Lakeside Classroom case, Those observations could be normal while the stated fault persists. The specific mechanism is stateless ACL effectiveness depends on interface attachment direction and rule order

D:

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 Lakeside Classroom case, Those observations could be normal while the stated fault persists. The specific mechanism is stateless ACL effectiveness depends on interface attachment direction and rule order

Question 380

At Garden Hall, aOS 10 client tunnels land unevenly after two gateways with mismatched group attributes are joined. Which controlled acceptance test demonstrates the required behavior?

  1. Check a client retains default-gateway reachability across a member failure.
  2. Fail one gateway in a pilot and verify tunneled clients reconnect through eligible members.
  3. Simulate one access uplink failure and confirm expected VSX LAG forwarding persists.
  4. Simulate controlled ISL loss and verify the documented split-brain prevention behavior.

Explanation

Correct Answer

B:

For Garden Hall, the decisive mechanism is AOS 10 gateway cluster. An AOS 10 gateway cluster improves tunneled WLAN availability but still needs correct forwarding and policy. Fail one gateway in a pilot and verify tunneled clients reconnect through eligible members supplies measurable, case-relevant evidence that the intended behavior actually occurs.

Incorrect Answers

A:

This is relevant to VSX active gateway, where vSX active gateway allows distributed L3 gateway forwarding when configured consistently In the Garden Hall case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is an AOS 10 gateway cluster improves tunneled WLAN availability but still needs correct forwarding and policy

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 Garden Hall case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is an AOS 10 gateway cluster improves tunneled WLAN availability but still needs correct forwarding and policy

D:

This is relevant to VSX keepalive separation, where the VSX keepalive helps distinguish peer failure from ISL failure In the Garden Hall case, That test could pass while the actual user-facing requirement still fails. The specific mechanism is an AOS 10 gateway cluster improves tunneled WLAN availability but still needs correct forwarding and policy