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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 40

Question 390

At the Zincbridge energy utility, a core link flaps only under temperature changes while optical levels approach the minimum threshold. Which underlying issue most directly explains this situation?

  1. Temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link
  2. An overly aggressive queue allocation can starve another important traffic class
  3. Overtemperature or failed cooling hardware can cause throttling and shutdown independent of routing configuration
  4. Loss of VSX coordination requires interpreting split and operational state rather than blindly bouncing all links

Explanation

Correct Answer

A:

The evidence indicates that temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. The appropriate response is to inspect thermal and optical module telemetry and compare with approved signal margins and demonstrate that a replacement optic passes temperature and load checks without flapping. This result addresses the stated challenge at the Zincbridge energy utility.

Incorrect Answers

B:

An overly aggressive queue allocation can starve another important traffic class. This option is based on the following distinct technical behavior: an overly aggressive queue allocation can starve another important traffic class, rather than merely a monitoring or presentation issue. The present question instead depends on this mechanism: temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. That difference matters for the requested root-cause explanation.

C:

overtemperature or failed cooling hardware can cause throttling and shutdown independent of routing configuration, rather than merely a monitoring or presentation issue. The offered alternative applies that mechanism: Overtemperature or failed cooling hardware can cause throttling and shutdown independent of routing configuration. The reported facts point to a different controlling condition: temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. The alternative does not directly settle the required root-cause explanation.

D:

Loss of VSX coordination requires interpreting split and operational state rather than blindly bouncing all links. Its technical scope is explained by: 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. In this question, the decisive issue is: temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. That is why the offered option is not the most direct root-cause explanation.

Question 391

At the Zincbridge energy utility, a core link flaps only under temperature changes while optical levels approach the minimum threshold. What evidence would justify considering this concern addressed?

  1. An approved capacity change reduces peak utilization and queue drops
  2. A replacement optic passes temperature and load checks without flapping
  3. The port transitions to up and the endpoint completes authorized network access
  4. A controlled repair restores VSX peer health and downstream multi-chassis aggregation

Explanation

Correct Answer

B:

The intended correction is to inspect thermal and optical module telemetry and compare with approved signal margins. The decisive verification is that a replacement optic passes temperature and load checks without flapping, rather than only confirming configuration was saved. This result addresses the stated challenge at the Zincbridge energy utility.

Incorrect Answers

A:

An approved capacity change reduces peak utilization and queue drops. This option is based on the following distinct technical behavior: a congested shared uplink can delay many otherwise healthy endpoint flows, the required evidence must show that an approved capacity change reduces peak utilization and queue drops. The present question instead depends on this mechanism: temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. That difference matters for the requested acceptance evidence.

C:

The port transitions to up and the endpoint completes authorized network access. Its technical scope is explained by: an administratively disabled switch interface cannot forward packets regardless of cable health. In this question, the decisive issue is: temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. That is why the offered option is not the most direct acceptance evidence.

D:

The option states: A controlled repair restores VSX peer health and downstream multi-chassis aggregation. The source describes its associated mechanism as: 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. By contrast, the current situation is governed by: temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. Choosing this alternative would leave the question’s specific acceptance evidence unresolved.

Question 392

At the Zincbridge energy utility, a core link flaps only under temperature changes while optical levels approach the minimum threshold. How should the organization sustain the improvement?

  1. Monitor DOM optical health and environmental alarms
  2. Monitor CPU control-plane and exception packet rates
  3. Retain link baseline and optic lifecycle records
  4. Require evidence and rollback steps in troubleshooting tickets

Explanation

Correct Answer

A:

The team should monitor DOM optical health and environmental alarms. That recurring practice targets the same weakness, namely that temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. This result addresses the stated challenge at the Zincbridge energy utility.

Incorrect Answers

B:

Monitor CPU control-plane and exception packet rates. 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: temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. That is why the offered option is not the most direct recurrence control.

C:

The option states: Retain link baseline and optic lifecycle records. 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: temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. Choosing this alternative would leave the question’s specific recurrence control unresolved.

D:

Require evidence and rollback steps in troubleshooting tickets. This option is based on the following distinct technical behavior: it requires the team to require evidence and rollback steps in troubleshooting tickets. The present question instead depends on this mechanism: temperature sensitive optical hardware can fall outside receive tolerance and interrupt the link. That difference matters for the requested recurrence control.

Question 393

At the Pinewick enterprise office, a branch fleet has no recoverable configuration snapshots when devices fail during maintenance. Which approach best resolves the described issue?

  1. Store encrypted configuration recovery copies in an independent approved offsite repository
  2. Create scheduled versioned configuration backups with protected storage and periodic restore checks
  3. Trend interface discards error counters and utilization to select the appropriate remediation threshold
  4. Inspect neighbor event history adjacency uptime and relevant interface logs instead of only the routing table

Explanation

Correct Answer

B:

For the Pinewick enterprise office, the appropriate correction is to create scheduled versioned configuration backups with protected storage and periodic restore checks. The decisive reason is that a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy; acceptance evidence is that a replacement lab device restores the required network state from the latest approved backup.

Incorrect Answers

A:

Store encrypted configuration recovery copies in an independent approved offsite repository. Its technical scope is explained by: backups co-located with the failed site cannot support restoration after a regional disaster, rather than merely a monitoring or presentation issue. In this question, the decisive issue is: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. That is why the offered option is not the most direct root-cause explanation.

C:

Trend interface discards error counters and utilization to select the appropriate remediation threshold. This option is based on the following distinct technical behavior: binary link state can hide progressive congestion and packet-quality degradation. The present question instead depends on this mechanism: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. That difference matters for the requested root-cause explanation.

D:

Inspect neighbor event history adjacency uptime and relevant interface logs instead of only the routing table. The reported problem is governed by this different mechanism: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. The offered choice would not address that particular root-cause explanation directly.

Question 394

At the Pinewick enterprise office, a branch fleet has no recoverable configuration snapshots when devices fail during maintenance. Which explanation best accounts for the concern?

  1. Configuration backups can expose operational credentials and topology even without device login
  2. Multicast delivery depends on its own control and forwarding tables in addition to unicast routing
  3. A switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy
  4. REST requests require the appropriate management service exposure and reachability beyond the presence of SSH

Explanation

Correct Answer

C:

The situation shows that a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. Remediation is to create scheduled versioned configuration backups with protected storage and periodic restore checks. This result addresses the stated challenge at the Pinewick enterprise office.

Incorrect Answers

A:

The option states: Configuration backups can expose operational credentials and topology even without device login. The source describes its associated mechanism as: configuration backups can expose operational credentials and topology even without device login, rather than merely a monitoring or presentation issue. By contrast, the current situation is governed by: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. Choosing this alternative would leave the question’s specific root-cause explanation unresolved.

B:

Multicast delivery depends on its own control and forwarding tables in addition to unicast routing. This option is based on the following distinct technical behavior: multicast delivery depends on its own control and forwarding tables in addition to unicast routing, the required evidence must show that a monitored subscription test shows receiver memberships and source packets on the approved interface. The present question instead depends on this mechanism: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. That difference matters for the requested root-cause explanation.

D:

REST requests require the appropriate management service exposure and reachability beyond the presence of SSH. In this question, the decisive issue is: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. That is why the offered option is not the most direct root-cause explanation.

Question 395

At the Pinewick enterprise office, a branch fleet has no recoverable configuration snapshots when devices fail during maintenance. Which test result best shows the requirement is met?

  1. A replacement lab device restores the required network state from the latest approved backup
  2. A recovery exercise retrieves the latest approved switch configuration from outside the affected site
  3. The monitor detects a removed member and reports reduced aggregate capacity
  4. A normal burst is ignored while sustained adverse load triggers the intended alert

Explanation

Correct Answer

A:

At the Pinewick enterprise office, evidence that a replacement lab device restores the required network state from the latest approved backup directly validates the correction, instead of testing a neighboring service.

Incorrect Answers

B:

backups co-located with the failed site cannot support restoration after a regional disaster, rather than merely a monitoring or presentation issue. The offered alternative applies that mechanism: A recovery exercise retrieves the latest approved switch configuration from outside the affected site. The reported facts point to a different controlling condition: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. The alternative does not directly settle the required acceptance evidence.

C:

The monitor detects a removed member and reports reduced aggregate capacity. Its technical scope is explained by: a partially degraded aggregate can silently lose redundancy and throughput while reporting operational state, rather than merely a monitoring or presentation issue. In this question, the decisive issue is: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. That is why the offered option is not the most direct acceptance evidence.

D:

The option states: A normal burst is ignored while sustained adverse load triggers the intended alert. The source describes its associated mechanism as: it requires the team to review NAE agent performance and false-alert rates quarterly. By contrast, the current situation is governed by: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. Choosing this alternative would leave the question’s specific acceptance evidence unresolved.

Question 396

At the Pinewick enterprise office, a branch fleet has no recoverable configuration snapshots when devices fail during maintenance. Which ongoing control best prevents this issue from recurring?

  1. Review vendor security advisories and supported release trains regularly
  2. Audit HTTPS management reachability and VRF restrictions routinely
  3. Audit backup completion and test recoverability each quarter
  4. Reassess power reserve when new cameras or access points deploy

Explanation

Correct Answer

C:

After implementation, the team should audit backup completion and test recoverability each quarter as the appropriate recurring safeguard against the identified issue. This result addresses the stated challenge at the Pinewick enterprise office.

Incorrect Answers

A:

aging and inconsistent firmware creates security and interoperability risk across the fabric. The offered alternative applies that mechanism: Review vendor security advisories and supported release trains regularly. The reported facts point to a different controlling condition: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. The alternative does not directly settle the required recurrence control.

B:

Audit HTTPS management reachability and VRF restrictions routinely. Its technical scope is explained by: REST requests require the appropriate management service exposure and reachability beyond the presence of SSH. In this question, the decisive issue is: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. That is why the offered option is not the most direct recurrence control.

D:

Reassess power reserve when new cameras or access points deploy. This option is based on the following distinct technical behavior: the number of link-up ports cannot reveal whether powered endpoints face imminent overload. The present question instead depends on this mechanism: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. That difference matters for the requested recurrence control.

Question 397

At the Birchhaven airport network, campus access switches develop inconsistent VLAN and AAA settings because each engineer uses personal commands. Which implementation choice best addresses the situation?

  1. Review VSX consistency and align relevant configuration under a controlled dual-peer change procedure
  2. Correlate spanning-tree topology-change counters and root history to identify unexpected bridge transitions
  3. Verify HTTPS server availability and REST access on the intended management VRF with authorized client connectivity
  4. Manage a reviewed golden configuration baseline with documented per-site exceptions

Explanation

Correct Answer

D:

The primary failure mode is that configuration drift increases security exposure and incident uncertainty between otherwise similar sites. The proposed action directly fixes it by requiring the team to manage a reviewed golden configuration baseline with documented per-site exceptions; afterward, verify that a compliance report flags a seeded unauthorized setting while permitting approved site differences. This result addresses the stated challenge at the Birchhaven airport network.

Incorrect Answers

A:

Review VSX consistency and align relevant configuration under a controlled dual-peer change procedure. Its technical scope is explained by: peer configuration drift can produce different forwarding and security outcomes after failover. In this question, the decisive issue is: configuration drift increases security exposure and incident uncertainty between otherwise similar sites. That is why the offered option is not the most direct implementation.

B:

The option states: Correlate spanning-tree topology-change counters and root history to identify unexpected bridge transitions. The source describes its associated mechanism as: frequent root movement can cause temporary forwarding reconvergence even when no interface permanently fails. By contrast, the current situation is governed by: configuration drift increases security exposure and incident uncertainty between otherwise similar sites. Choosing this alternative would leave the question’s specific implementation unresolved.

C:

Verify HTTPS server availability and REST access on the intended management VRF with authorized client connectivity. This option is based on the following distinct technical behavior: REST requests require the appropriate management service exposure and reachability beyond the presence of SSH. The present question instead depends on this mechanism: configuration drift increases security exposure and incident uncertainty between otherwise similar sites. That difference matters for the requested implementation.

Question 398

At the Birchhaven airport network, campus access switches develop inconsistent VLAN and AAA settings because each engineer uses personal commands. What risk should the team identify as the primary issue?

  1. Backups co-located with the failed site cannot support restoration after a regional disaster
  2. REST requests require the appropriate management service exposure and reachability beyond the presence of SSH
  3. A partially degraded aggregate can silently lose redundancy and throughput while reporting operational state
  4. Configuration drift increases security exposure and incident uncertainty between otherwise similar sites

Explanation

Correct Answer

D:

The architectural weakness is that configuration drift increases security exposure and incident uncertainty between otherwise similar sites. It can be addressed through the controlled change to manage a reviewed golden configuration baseline with documented per-site exceptions. This result addresses the stated challenge at the Birchhaven airport network.

Incorrect Answers

A:

The option states: Backups co-located with the failed site cannot support restoration after a regional disaster. The source describes its associated mechanism as: backups co-located with the failed site cannot support restoration after a regional disaster, rather than merely a monitoring or presentation issue. By contrast, the current situation is governed by: configuration drift increases security exposure and incident uncertainty between otherwise similar sites. Choosing this alternative would leave the question’s specific root-cause explanation unresolved.

B:

REST requests require the appropriate management service exposure and reachability beyond the presence of SSH. The present question instead depends on this mechanism: configuration drift increases security exposure and incident uncertainty between otherwise similar sites. That difference matters for the requested root-cause explanation.

C:

a partially degraded aggregate can silently lose redundancy and throughput while reporting operational state, rather than merely a monitoring or presentation issue. The offered alternative applies that mechanism: A partially degraded aggregate can silently lose redundancy and throughput while reporting operational state. The reported facts point to a different controlling condition: configuration drift increases security exposure and incident uncertainty between otherwise similar sites. The alternative does not directly settle the required root-cause explanation.

Question 399

At the Birchhaven airport network, campus access switches develop inconsistent VLAN and AAA settings because each engineer uses personal commands. What is the strongest acceptance test for this change?

  1. A replacement lab device restores the required network state from the latest approved backup
  2. An early warning triggers before the test link reaches the specified optical threshold
  3. A compliance report flags a seeded unauthorized setting while permitting approved site differences
  4. An OSPF reset fixture generates the correct neighbor stability alert

Explanation

Correct Answer

C:

This tests the real business behavior: a compliance report flags a seeded unauthorized setting while permitting approved site differences. It specifically checks whether the risk that configuration drift increases security exposure and incident uncertainty between otherwise similar sites has been reduced. This result addresses the stated challenge at the Birchhaven airport network.

Incorrect Answers

A:

A replacement lab device restores the required network state from the latest approved backup. This option is based on the following distinct technical behavior: a switch running configuration cannot be reconstructed reliably after hardware loss without an archived copy, rather than merely a monitoring or presentation issue. The present question instead depends on this mechanism: configuration drift increases security exposure and incident uncertainty between otherwise similar sites. That difference matters for the requested acceptance evidence.

B:

a link can appear operational until optical margins deteriorate enough to cause intermittent failure. The offered alternative applies that mechanism: An early warning triggers before the test link reaches the specified optical threshold. The reported facts point to a different controlling condition: configuration drift increases security exposure and incident uncertainty between otherwise similar sites. The alternative does not directly settle the required acceptance evidence.

D:

An OSPF reset fixture generates the correct neighbor stability alert. The reported problem is governed by this different mechanism: configuration drift increases security exposure and incident uncertainty between otherwise similar sites. The offered choice would not address that particular acceptance evidence directly.

Question 400

At the Birchhaven airport network, campus access switches develop inconsistent VLAN and AAA settings because each engineer uses personal commands. Which setting or practice should be reviewed in future?

  1. Review inventory accuracy as network sites and responsibilities change
  2. Check cooling and hardware alarms during routine site walks
  3. Trend multicast membership and RPF failure counts
  4. Compare switches to the baseline after every change window

Explanation

Correct Answer

D:

For the Birchhaven airport network, this maintenance action preserves the fix: compare switches to the baseline after every change window. It should be revisited as the workload evolves.

Incorrect Answers

A:

poor ownership records delay approvals and root cause investigation after changes. The offered alternative applies that mechanism: Review inventory accuracy as network sites and responsibilities change. The reported facts point to a different controlling condition: configuration drift increases security exposure and incident uncertainty between otherwise similar sites. The alternative does not directly settle the required recurrence control.

B:

Check cooling and hardware alarms during routine site walks. Its technical scope is explained by: thermal faults can destabilize forwarding independent of network traffic congestion. In this question, the decisive issue is: configuration drift increases security exposure and incident uncertainty between otherwise similar sites. That is why the offered option is not the most direct recurrence control.

C:

The option states: Trend multicast membership and RPF failure counts. The source describes its associated mechanism as: multicast delivery depends on its own control and forwarding tables in addition to unicast routing, the required evidence must show that a monitored subscription test shows receiver memberships and source packets on the approved interface. By contrast, the current situation is governed by: configuration drift increases security exposure and incident uncertainty between otherwise similar sites. Choosing this alternative would leave the question’s specific recurrence control unresolved.