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HP HPE7-A08 Bundle

Exam Code: HPE7-A08

Exam Name HPE Network Switching Professional

Certification Provider: HP

Corresponding Certification: HPE Aruba Networking Certified Professional - Switching

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HP HPE7-A08 Practice Test 35

Question 340

At the Elmhurst manufacturing plant, a VSX distribution pair loses inter switch communication and downstream forwarding becomes inconsistent. Which setting or practice should be reviewed in future?

  1. Monitor DHCP relay and scope depletion alerts
  2. Track IGMP group and querier health as media demand grows
  3. Test VSX failure scenarios and peer link monitoring after maintenance
  4. Track endpoint NIC and driver compatibility after image updates

Explanation

Correct Answer

C:

The team should test VSX failure scenarios and peer link monitoring after maintenance. That recurring practice targets the same weakness, namely that loss of VSX coordination requires interpreting split and operational state rather than blindly bouncing all links. This result addresses the stated challenge at the Elmhurst manufacturing plant.

Incorrect Answers

A:

a Layer 3 path can pass static traffic while DHCP assignment fails separately. The offered alternative applies that mechanism: Monitor DHCP relay and scope depletion alerts. The reported facts point to a different controlling condition: loss of VSX coordination requires interpreting split and operational state rather than blindly bouncing all links, the required evidence must show that a controlled repair restores VSX peer health and downstream multi-chassis aggregation. The alternative does not directly settle the required recurrence control.

B:

Track IGMP group and querier health as media demand grows. Its technical scope is explained by: without valid membership tracking multicast can be flooded to unrelated ports. In this question, the decisive issue is: loss of VSX coordination requires interpreting split and operational state rather than blindly bouncing all links, the required evidence must show that a controlled repair restores VSX peer health and downstream multi-chassis aggregation. That is why the offered option is not the most direct recurrence control.

D:

Track endpoint NIC and driver compatibility after image updates. This option is based on the following distinct technical behavior: an endpoint driver defect can cause retries or negotiation issues without a switch fault. The present question instead depends on this mechanism: loss of VSX coordination requires interpreting split and operational state rather than blindly bouncing all links, the required evidence must show that a controlled repair restores VSX peer health and downstream multi-chassis aggregation. That difference matters for the requested recurrence control.

Question 341

At the Riverbrook airport network, wired endpoints become isolated after an AAA outage while the team cannot identify permitted emergency access. Which corrective action best meets the requirement?

  1. Compare interface area timers network type and MTU with relevant neighbor diagnostics before adjusting the mismatch
  2. Inspect physical error counters and validate cable optic and port conditions on the suspect hop
  3. Check RADIUS reachability timeout policy and approved critical-access fallback without granting open access
  4. Inspect total and per-port PoE consumption and correct the power budget shortfall

Explanation

Correct Answer

C:

The reported facts support this change rather than a general platform replacement. The team should check RADIUS reachability timeout policy and approved critical-access fallback without granting open access because a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. A suitable test confirms that approved test devices obtain designated emergency permissions while unknown clients remain restricted. This result addresses the stated challenge at the Riverbrook airport network.

Incorrect Answers

A:

Compare interface area timers network type and MTU with relevant neighbor diagnostics before adjusting the mismatch. Its technical scope is explained by: OSPF neighbors may reject or stall adjacency when interface parameters differ. In this question, the decisive issue is: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. That is why the offered option is not the most direct implementation.

B:

The option states: Inspect physical error counters and validate cable optic and port conditions on the suspect hop. The source describes its associated mechanism as: corrupt frames require retransmission even when link speed appears correctly negotiated. By contrast, the current situation is governed by: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. Choosing this alternative would leave the question’s specific implementation unresolved.

D:

exhausted shared PoE power can remove power from otherwise healthy endpoints; a passing acceptance check would show that all approved powered devices remain online at their peak expected draw. The offered alternative applies that mechanism: Inspect total and per-port PoE consumption and correct the power budget shortfall. The reported facts point to a different controlling condition: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. The alternative does not directly settle the required implementation.

Question 342

At the Riverbrook airport network, wired endpoints become isolated after an AAA outage while the team cannot identify permitted emergency access. Which underlying issue most directly explains this situation?

  1. A failed authentication server can disrupt authorized users unless a safe failure behavior was designed
  2. OSPF neighbors may reject or stall adjacency when interface parameters differ
  3. A misassigned access interface forwards untagged frames in the wrong broadcast domain
  4. Temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link

Explanation

Correct Answer

A:

The evidence indicates that a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. The appropriate response is to check RADIUS reachability timeout policy and approved critical-access fallback without granting open access and demonstrate that approved test devices obtain designated emergency permissions while unknown clients remain restricted. This result addresses the stated challenge at the Riverbrook airport network.

Incorrect Answers

B:

OSPF neighbors may reject or stall adjacency when interface parameters differ. The present question instead depends on this mechanism: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. That difference matters for the requested root-cause explanation.

C:

The offered alternative states: A misassigned access interface forwards untagged frames in the wrong broadcast domain. The reported facts point to a different controlling condition: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. The alternative does not directly settle the required root-cause explanation.

D:

Temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. In this question, the decisive issue is: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. That is why the offered option is not the most direct root-cause explanation.

Question 343

At the Riverbrook airport network, wired endpoints become isolated after an AAA outage while the team cannot identify permitted emergency access. What evidence would justify considering this concern addressed?

  1. After component replacement the same load test shows stable link and clean error counters
  2. Approved test devices obtain designated emergency permissions while unknown clients remain restricted
  3. A controlled voice client reaches the required gateway over the trunk
  4. A replacement optic passes temperature and load checks without flapping

Explanation

Correct Answer

B:

The intended correction is to check RADIUS reachability timeout policy and approved critical-access fallback without granting open access. The decisive verification is that approved test devices obtain designated emergency permissions while unknown clients remain restricted, rather than only confirming configuration was saved. This result addresses the stated challenge at the Riverbrook airport network.

Incorrect Answers

A:

After component replacement the same load test shows stable link and clean error counters. This option is based on the following distinct technical behavior: configuration changes cannot repair excessive attenuation or a defective transceiver; a passing acceptance check would show that after component replacement the same load test shows stable link and clean error counters. The present question instead depends on this mechanism: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. That difference matters for the requested acceptance evidence.

C:

A controlled voice client reaches the required gateway over the trunk. Its technical scope is explained by: it requires the team to audit end-to-end VLAN allowance whenever new services are added. In this question, the decisive issue is: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. That is why the offered option is not the most direct acceptance evidence.

D:

The option states: A replacement optic passes temperature and load checks without flapping. The source describes its associated mechanism as: temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. By contrast, the current situation is governed by: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. Choosing this alternative would leave the question’s specific acceptance evidence unresolved.

Question 344

At the Riverbrook airport network, wired endpoints become isolated after an AAA outage while the team cannot identify permitted emergency access. How should the organization sustain the improvement?

  1. Retain link baseline and optic lifecycle records
  2. Audit DHCP reservations and static address exceptions after desk moves
  3. Rehearse AAA outage handling and recertify fallback privileges
  4. Review port-disable records during incident handoff

Explanation

Correct Answer

C:

The continuing safeguard is to rehearse AAA outage handling and recertify fallback privileges. It helps avoid the original condition: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. This result addresses the stated challenge at the Riverbrook airport network.

Incorrect Answers

A:

configuration changes cannot repair excessive attenuation or a defective transceiver; a passing acceptance check would show that after component replacement the same load test shows stable link and clean error counters. The offered alternative applies that mechanism: Retain link baseline and optic lifecycle records. The reported facts point to a different controlling condition: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. The alternative does not directly settle the required recurrence control.

B:

Audit DHCP reservations and static address exceptions after desk moves. Its technical scope is explained by: an invalid mask or gateway can direct off-subnet packets to an unreachable destination. In this question, the decisive issue is: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. That is why the offered option is not the most direct recurrence control.

D:

Review port-disable records during incident handoff. This option is based on the following distinct technical behavior: an administratively disabled switch interface cannot forward packets regardless of cable health. The present question instead depends on this mechanism: a failed authentication server can disrupt authorized users unless a safe failure behavior was designed. That difference matters for the requested recurrence control.

Question 345

At the Foxhaven financial services network, a newly deployed queue policy drops business traffic and operators plan to disable QoS across every site. Which approach best resolves the described issue?

  1. Identify inconsistent MST region mappings and align supported region parameters to the topology plan
  2. Inspect interface administrative status and restore service under approved change control
  3. Compare per-class drop and marking data and roll back only the validated faulty policy under change control
  4. Inspect physical error counters and validate cable optic and port conditions on the suspect hop

Explanation

Correct Answer

C:

This solution addresses the stated limitation: a blanket rollback may discard working voice protections and widen congestion. Implementing it means the team should compare per-class drop and marking data and roll back only the validated faulty policy under change control, then verify that the targeted queue correction restores application throughput while voice priority remains healthy. This result addresses the stated challenge at the Foxhaven financial services network.

Incorrect Answers

A:

Identify inconsistent MST region mappings and align supported region parameters to the topology plan. The reported problem is governed by this different mechanism: it requires the team to use load tests and class counters as gates for QoS changes. The offered choice would not address that particular root-cause explanation directly.

B:

The option states: Inspect interface administrative status and restore service under approved change control. The source describes its associated mechanism as: an administratively disabled switch interface cannot forward packets regardless of cable health. By contrast, the current situation is governed by: it requires the team to use load tests and class counters as gates for QoS changes. Choosing this alternative would leave the question’s specific root-cause explanation unresolved.

D:

corrupt frames require retransmission even when link speed appears correctly negotiated. The offered alternative applies that mechanism: Inspect physical error counters and validate cable optic and port conditions on the suspect hop. The reported facts point to a different controlling condition: it requires the team to use load tests and class counters as gates for QoS changes. The alternative does not directly settle the required root-cause explanation.

Question 346

At the Foxhaven financial services network, a newly deployed queue policy drops business traffic and operators plan to disable QoS across every site. Which explanation best accounts for the concern?

  1. Configuration changes cannot repair excessive attenuation or a defective transceiver
  2. A stateful security device may reject return flows when paths are asymmetric
  3. A misassigned access interface forwards untagged frames in the wrong broadcast domain
  4. A blanket rollback may discard working voice protections and widen congestion

Explanation

Correct Answer

D:

This identifies the root issue: a blanket rollback may discard working voice protections and widen congestion. At the Foxhaven financial services network, the team should therefore compare per-class drop and marking data and roll back only the validated faulty policy under change control.

Incorrect Answers

A:

The option states: Configuration changes cannot repair excessive attenuation or a defective transceiver. The source describes its associated mechanism as: configuration changes cannot repair excessive attenuation or a defective transceiver; a passing acceptance check would show that after component replacement the same load test shows stable link and clean error counters. By contrast, the current situation is governed by: a blanket rollback may discard working voice protections and widen congestion. Choosing this alternative would leave the question’s specific root-cause explanation unresolved.

B:

A stateful security device may reject return flows when paths are asymmetric. The present question instead depends on this mechanism: a blanket rollback may discard working voice protections and widen congestion. That difference matters for the requested root-cause explanation.

C:

The offered alternative states: A misassigned access interface forwards untagged frames in the wrong broadcast domain. The reported facts point to a different controlling condition: a blanket rollback may discard working voice protections and widen congestion. The alternative does not directly settle the required root-cause explanation.

Question 347

At the Foxhaven financial services network, a newly deployed queue policy drops business traffic and operators plan to disable QoS across every site. Which test result best shows the requirement is met?

  1. The targeted queue correction restores application throughput while voice priority remains healthy
  2. After component replacement the same load test shows stable link and clean error counters
  3. After the fix only subscribed receiver ports receive the video stream
  4. A replacement optic passes temperature and load checks without flapping

Explanation

Correct Answer

A:

At the Foxhaven financial services network, evidence that the targeted queue correction restores application throughput while voice priority remains healthy directly validates the correction, instead of testing a neighboring service.

Incorrect Answers

B:

configuration changes cannot repair excessive attenuation or a defective transceiver; a passing acceptance check would show that after component replacement the same load test shows stable link and clean error counters. The offered alternative applies that mechanism: After component replacement the same load test shows stable link and clean error counters. The reported facts point to a different controlling condition: it requires the team to use load tests and class counters as gates for QoS changes. The alternative does not directly settle the required acceptance evidence.

C:

After the fix only subscribed receiver ports receive the video stream. Its technical scope is explained by: without valid membership tracking multicast can be flooded to unrelated ports. In this question, the decisive issue is: it requires the team to use load tests and class counters as gates for QoS changes. That is why the offered option is not the most direct acceptance evidence.

D:

The option states: A replacement optic passes temperature and load checks without flapping. The source describes its associated mechanism as: temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. By contrast, the current situation is governed by: it requires the team to use load tests and class counters as gates for QoS changes. Choosing this alternative would leave the question’s specific acceptance evidence unresolved.

Question 348

At the Foxhaven financial services network, a newly deployed queue policy drops business traffic and operators plan to disable QoS across every site. Which ongoing control best prevents this issue from recurring?

  1. Test VSX failure scenarios and peer link monitoring after maintenance
  2. Check return-path reachability when routing changes
  3. Monitor PoE utilization and maintain reserve headroom
  4. Use load tests and class counters as gates for QoS changes

Explanation

Correct Answer

D:

This control works beyond the initial remediation because it requires the team to use load tests and class counters as gates for QoS changes. This result addresses the stated challenge at the Foxhaven financial services network.

Incorrect Answers

A:

loss of VSX coordination requires interpreting split and operational state rather than blindly bouncing all links, the required evidence must show that a controlled repair restores VSX peer health and downstream multi-chassis aggregation. The offered alternative applies that mechanism: Test VSX failure scenarios and peer link monitoring after maintenance. The reported facts point to a different controlling condition: it requires the team to use load tests and class counters as gates for QoS changes. The alternative does not directly settle the required recurrence control.

B:

Check return-path reachability when routing changes. Its technical scope is explained by: a stateful security device may reject return flows when paths are asymmetric. In this question, the decisive issue is: it requires the team to use load tests and class counters as gates for QoS changes. That is why the offered option is not the most direct recurrence control.

C:

The option states: Monitor PoE utilization and maintain reserve headroom. The source describes its associated mechanism as: exhausted shared PoE power can remove power from otherwise healthy endpoints; a passing acceptance check would show that all approved powered devices remain online at their peak expected draw. By contrast, the current situation is governed by: it requires the team to use load tests and class counters as gates for QoS changes. Choosing this alternative would leave the question’s specific recurrence control unresolved.

Question 349

At the Umberfield regional library system, multiple access closets slow down at midday while switch interface counters show one distribution uplink near line rate. Which implementation choice best addresses the situation?

  1. Correlate control-plane CPU process usage and policy counters to identify excessive traffic
  2. Compare interface area timers network type and MTU with relevant neighbor diagnostics before adjusting the mismatch
  3. Measure busy-hour uplink utilization queue drops and actual oversubscription before resizing the bottleneck
  4. Check supported environmental health telemetry and replace the faulty cooling component using maintenance procedures

Explanation

Correct Answer

C:

This is the direct HPE Aruba wired switching remedy: measure busy-hour uplink utilization queue drops and actual oversubscription before resizing the bottleneck. The observed risk is that a congested shared uplink can delay many otherwise healthy endpoint flows; a passing acceptance check would show that an approved capacity change reduces peak utilization and queue drops. This result addresses the stated challenge at the Umberfield regional library system.

Incorrect Answers

A:

Correlate control-plane CPU process usage and policy counters to identify excessive traffic. Its technical scope is explained by: control-plane resource exhaustion can delay hello processing and neighbor maintenance, the required evidence must show that under a controlled packet-load test required peers remain stable after filtering. In this question, the decisive issue is: a congested shared uplink can delay many otherwise healthy endpoint flows; a passing acceptance check would show that an approved capacity change reduces peak utilization and queue drops. That is why the offered option is not the most direct implementation.

B:

The option states: Compare interface area timers network type and MTU with relevant neighbor diagnostics before adjusting the mismatch. The source describes its associated mechanism as: OSPF neighbors may reject or stall adjacency when interface parameters differ. By contrast, the current situation is governed by: a congested shared uplink can delay many otherwise healthy endpoint flows; a passing acceptance check would show that an approved capacity change reduces peak utilization and queue drops. Choosing this alternative would leave the question’s specific implementation unresolved.

D:

overtemperature or failed cooling hardware can cause throttling and shutdown independent of routing configuration. The offered alternative applies that mechanism: Check supported environmental health telemetry and replace the faulty cooling component using maintenance procedures. The reported facts point to a different controlling condition: a congested shared uplink can delay many otherwise healthy endpoint flows; a passing acceptance check would show that an approved capacity change reduces peak utilization and queue drops. The alternative does not directly settle the required implementation.

Question 350

At the Umberfield regional library system, multiple access closets slow down at midday while switch interface counters show one distribution uplink near line rate. What risk should the team identify as the primary issue?

  1. Mismatched link parameters can create retransmissions and degraded forwarding even with link up
  2. A congested shared uplink can delay many otherwise healthy endpoint flows
  3. BGP cannot converge if the underlying connection or peer access is blocked
  4. Untracked changes make a fleet-wide regression difficult to diagnose and reverse safely

Explanation

Correct Answer

B:

This identifies the root issue: a congested shared uplink can delay many otherwise healthy endpoint flows. At the Umberfield regional library system, the team should therefore measure busy-hour uplink utilization queue drops and actual oversubscription before resizing the bottleneck.

Incorrect Answers

A:

The option states: Mismatched link parameters can create retransmissions and degraded forwarding even with link up. The source describes its associated mechanism as: mismatched link parameters can create retransmissions and degraded forwarding even with link up, the required evidence must show that the negotiated link passes an error-free throughput validation. By contrast, the current situation is governed by: a congested shared uplink can delay many otherwise healthy endpoint flows. Choosing this alternative would leave the question’s specific root-cause explanation unresolved.

C:

it requires the team to monitor BGP transport and peer state after firewall updates. The offered alternative applies that mechanism: BGP cannot converge if the underlying connection or peer access is blocked. The reported facts point to a different controlling condition: a congested shared uplink can delay many otherwise healthy endpoint flows. The alternative does not directly settle the required root-cause explanation.

D:

Untracked changes make a fleet-wide regression difficult to diagnose and reverse safely. In this question, the decisive issue is: a congested shared uplink can delay many otherwise healthy endpoint flows. That is why the offered option is not the most direct root-cause explanation.