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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 13

Question 120

At the Goldport energy utility, an engineer enables unmanaged plaintext remote access for convenient switch configuration. Which ongoing control best prevents this issue from recurring?

  1. Add configuration persistence verification to change closure
  2. Audit management protocols and trusted access sources during upgrades
  3. Validate trunk tagging assumptions during interface changes
  4. Review rate thresholds against measured normal guest demand

Explanation

Correct Answer

B:

The needed prevention is to audit management protocols and trusted access sources during upgrades. It directly sustains the original change to enable the supported SSH-based management path with approved user roles and restrict insecure remote protocols. This result addresses the stated challenge at the Goldport energy utility.

Incorrect Answers

A:

unsaved live changes may be lost on restart even if forwarding initially works. The offered alternative applies that mechanism: Add configuration persistence verification to change closure. The reported facts point to a different controlling condition: unencrypted or broadly reachable management exposes network configuration and credentials, the required evidence must show that an authorized SSH login succeeds while an unauthorized plaintext management attempt fails. The alternative does not directly settle the required recurrence control.

C:

The option states: Validate trunk tagging assumptions during interface changes. The source describes its associated mechanism as: different untagged VLAN handling can leak or misdeliver management and user frames. By contrast, the current situation is governed by: unencrypted or broadly reachable management exposes network configuration and credentials, the required evidence must show that an authorized SSH login succeeds while an unauthorized plaintext management attempt fails. Choosing this alternative would leave the question’s specific recurrence control unresolved.

D:

Review rate thresholds against measured normal guest demand. This option is based on the following distinct technical behavior: bursting guest traffic can consume resources needed for contracted business services. The present question instead depends on this mechanism: unencrypted or broadly reachable management exposes network configuration and credentials, the required evidence must show that an authorized SSH login succeeds while an unauthorized plaintext management attempt fails. That difference matters for the requested recurrence control.

Question 121

At the Whitford public agency, a fiber uplink stays down because the team installed optics with incompatible wavelength specifications. Which implementation choice best addresses the situation?

  1. Feed supported redundant power supplies from independent approved circuits and verify failover
  2. Enter the proper configuration context and confirm the intended interface running configuration
  3. Match supported transceivers fiber medium and optical parameters at both ends and verify link budget
  4. Associate the supported switch to the correct Central account site group and intended management context

Explanation

Correct Answer

C:

This is the direct HPE Aruba wired switching remedy: match supported transceivers fiber medium and optical parameters at both ends and verify link budget. The observed risk is that mismatched optic characteristics prevent a valid light path despite correct switch configuration; a passing acceptance check would show that optical diagnostics show receive levels within specification and the link establishes. This result addresses the stated challenge at the Whitford public agency.

Incorrect Answers

A:

Feed supported redundant power supplies from independent approved circuits and verify failover. Its technical scope is explained by: two power supplies on one electrical source do not protect against a common circuit failure. In this question, the decisive issue is: mismatched optic characteristics prevent a valid light path despite correct switch configuration; a passing acceptance check would show that optical diagnostics show receive levels within specification and the link establishes. That is why the offered option is not the most direct implementation.

B:

The option states: Enter the proper configuration context and confirm the intended interface running configuration. The source describes its associated mechanism as: a command entered outside the required CLI context may fail or affect a different object; a passing acceptance check would show that show output confirms the interface setting appears on the exact target port. By contrast, the current situation is governed by: mismatched optic characteristics prevent a valid light path despite correct switch configuration; a passing acceptance check would show that optical diagnostics show receive levels within specification and the link establishes. Choosing this alternative would leave the question’s specific implementation unresolved.

D:

it requires the team to review site inventory assignments whenever access closets move. The offered alternative applies that mechanism: Associate the supported switch to the correct Central account site group and intended management context. The reported facts point to a different controlling condition: mismatched optic characteristics prevent a valid light path despite correct switch configuration; a passing acceptance check would show that optical diagnostics show receive levels within specification and the link establishes. The alternative does not directly settle the required implementation.

Question 122

At the Whitford public agency, a fiber uplink stays down because the team installed optics with incompatible wavelength specifications. What risk should the team identify as the primary issue?

  1. Two power supplies on one electrical source do not protect against a common circuit failure
  2. OSPF path selection follows its calculated metrics rather than business labels on ports
  3. Mismatched optic characteristics prevent a valid light path despite correct switch configuration
  4. Accepting arbitrary endpoint QoS markings can defeat the intended class priority scheme

Explanation

Correct Answer

C:

The evidence indicates that mismatched optic characteristics prevent a valid light path despite correct switch configuration. The appropriate response is to match supported transceivers fiber medium and optical parameters at both ends and verify link budget and demonstrate that optical diagnostics show receive levels within specification and the link establishes. This result addresses the stated challenge at the Whitford public agency.

Incorrect Answers

A:

The option states: Two power supplies on one electrical source do not protect against a common circuit failure. By contrast, the current situation is governed by: mismatched optic characteristics prevent a valid light path despite correct switch configuration. Choosing this alternative would leave the question’s specific root-cause explanation unresolved.

B:

OSPF path selection follows its calculated metrics rather than business labels on ports. The present question instead depends on this mechanism: mismatched optic characteristics prevent a valid light path despite correct switch configuration. That difference matters for the requested root-cause explanation.

D:

Accepting arbitrary endpoint QoS markings can defeat the intended class priority scheme. The reported problem is governed by this different mechanism: mismatched optic characteristics prevent a valid light path despite correct switch configuration. The offered choice would not address that particular root-cause explanation directly.

Question 123

At the Whitford public agency, a fiber uplink stays down because the team installed optics with incompatible wavelength specifications. What is the strongest acceptance test for this change?

  1. All intended breakout links negotiate supported speed and pass connectivity tests
  2. A test client receives the correct scope address and relay logs show the exchange
  3. Optical diagnostics show receive levels within specification and the link establishes
  4. A test identity authenticates and the switch receives the intended access role

Explanation

Correct Answer

C:

This tests the real business behavior: optical diagnostics show receive levels within specification and the link establishes. It specifically checks whether the risk that mismatched optic characteristics prevent a valid light path despite correct switch configuration has been reduced. This result addresses the stated challenge at the Whitford public agency.

Incorrect Answers

A:

All intended breakout links negotiate supported speed and pass connectivity tests. This option is based on the following distinct technical behavior: a physical breakout requires matched hardware and operating mode rather than only an interface name, the required evidence must show that all intended breakout links negotiate supported speed and pass connectivity tests. The present question instead depends on this mechanism: mismatched optic characteristics prevent a valid light path despite correct switch configuration. That difference matters for the requested acceptance evidence.

B:

layer 3 separation blocks local broadcast discovery without an approved relay path, the required evidence must show that a test client receives the correct scope address and relay logs show the exchange. The offered alternative applies that mechanism: A test client receives the correct scope address and relay logs show the exchange. The reported facts point to a different controlling condition: mismatched optic characteristics prevent a valid light path despite correct switch configuration. The alternative does not directly settle the required acceptance evidence.

D:

The option states: A test identity authenticates and the switch receives the intended access role. The source describes its associated mechanism as: wired authentication cannot authorize users if switch and server trust or reachability is missing. By contrast, the current situation is governed by: mismatched optic characteristics prevent a valid light path despite correct switch configuration. Choosing this alternative would leave the question’s specific acceptance evidence unresolved.

Question 124

At the Whitford public agency, a fiber uplink stays down because the team installed optics with incompatible wavelength specifications. Which setting or practice should be reviewed in future?

  1. Revalidate breakout compatibility after interface module or optics replacement
  2. Add configuration persistence verification to change closure
  3. Review stack topology and split detection before member additions
  4. Keep approved optics and fiber testing records for each cable plant

Explanation

Correct Answer

D:

For the Whitford public agency, this maintenance action preserves the fix: keep approved optics and fiber testing records for each cable plant. It should be revisited as the workload evolves.

Incorrect Answers

A:

a physical breakout requires matched hardware and operating mode rather than only an interface name, the required evidence must show that all intended breakout links negotiate supported speed and pass connectivity tests. The offered alternative applies that mechanism: Revalidate breakout compatibility after interface module or optics replacement. The reported facts point to a different controlling condition: mismatched optic characteristics prevent a valid light path despite correct switch configuration. The alternative does not directly settle the required recurrence control.

B:

Add configuration persistence verification to change closure. Its technical scope is explained by: unsaved live changes may be lost on restart even if forwarding initially works. In this question, the decisive issue is: mismatched optic characteristics prevent a valid light path despite correct switch configuration. That is why the offered option is not the most direct recurrence control.

C:

The option states: Review stack topology and split detection before member additions. The source describes its associated mechanism as: incorrect VSF stacking links or member configuration can prevent a common logical control plane. By contrast, the current situation is governed by: mismatched optic characteristics prevent a valid light path despite correct switch configuration. Choosing this alternative would leave the question’s specific recurrence control unresolved.

Question 125

At the Harborwick distribution center, a new wireless access point powers off intermittently when other PoE devices begin drawing load. Which corrective action best meets the requirement?

  1. Match supported transceivers fiber medium and optical parameters at both ends and verify link budget
  2. Check available PoE budget per port classification cabling and total supply against measured demand
  3. Integrate supported TACACS+ administrative AAA with individual identity and role controls
  4. Implement the change in the appropriate supported Central group or device configuration scope

Explanation

Correct Answer

B:

The primary failure mode is that total chassis PoE consumption can exceed available power when endpoints start together. The proposed action directly fixes it by requiring the team to check available PoE budget per port classification cabling and total supply against measured demand; afterward, verify that all simulated high load PoE clients remain powered with margin. This result addresses the stated challenge at the Harborwick distribution center.

Incorrect Answers

A:

Match supported transceivers fiber medium and optical parameters at both ends and verify link budget. Its technical scope is explained by: mismatched optic characteristics prevent a valid light path despite correct switch configuration; a passing acceptance check would show that optical diagnostics show receive levels within specification and the link establishes. In this question, the decisive issue is: total chassis PoE consumption can exceed available power when endpoints start together. That is why the offered option is not the most direct implementation.

C:

Integrate supported TACACS+ administrative AAA with individual identity and role controls. This option is based on the following distinct technical behavior: shared device administrator credentials prevent strong accountability and selective revocation. The present question instead depends on this mechanism: total chassis PoE consumption can exceed available power when endpoints start together. That difference matters for the requested implementation.

D:

group managed configurations can supersede direct local changes when ownership is not coordinated. The offered alternative applies that mechanism: Implement the change in the appropriate supported Central group or device configuration scope. The reported facts point to a different controlling condition: total chassis PoE consumption can exceed available power when endpoints start together. The alternative does not directly settle the required implementation.

Question 126

At the Harborwick distribution center, a new wireless access point powers off intermittently when other PoE devices begin drawing load. Which underlying issue most directly explains this situation?

  1. Mismatched optic characteristics prevent a valid light path despite correct switch configuration
  2. BGP neighbors require compatible AS relationships and reachable transport before exchanging routes
  3. Total chassis PoE consumption can exceed available power when endpoints start together
  4. Unsaved live changes may be lost on restart even if forwarding initially works

Explanation

Correct Answer

C:

The strongest explanation is that total chassis PoE consumption can exceed available power when endpoints start together. This accounts for the outcome and supports the action to check available PoE budget per port classification cabling and total supply against measured demand. This result addresses the stated challenge at the Harborwick distribution center.

Incorrect Answers

A:

The option states: Mismatched optic characteristics prevent a valid light path despite correct switch configuration. By contrast, the current situation is governed by: total chassis PoE consumption can exceed available power when endpoints start together. Choosing this alternative would leave the question’s specific root-cause explanation unresolved.

B:

BGP neighbors require compatible AS relationships and reachable transport before exchanging routes. This option is based on the following distinct technical behavior: BGP neighbors require compatible AS relationships and reachable transport before exchanging routes, rather than merely a monitoring or presentation issue. The present question instead depends on this mechanism: total chassis PoE consumption can exceed available power when endpoints start together. That difference matters for the requested root-cause explanation.

D:

Unsaved live changes may be lost on restart even if forwarding initially works. In this question, the decisive issue is: total chassis PoE consumption can exceed available power when endpoints start together. That is why the offered option is not the most direct root-cause explanation.

Question 127

At the Harborwick distribution center, a new wireless access point powers off intermittently when other PoE devices begin drawing load. What evidence would justify considering this concern addressed?

  1. Removing one approved circuit leaves forwarding and required modules operational
  2. All simulated high load PoE clients remain powered with margin
  3. Under load corporate voice retains its target class while contractor traffic remains best effort
  4. A tagged and untagged test confirms the intended VLAN separation across the link

Explanation

Correct Answer

B:

The intended correction is to check available PoE budget per port classification cabling and total supply against measured demand. The decisive verification is that all simulated high load PoE clients remain powered with margin, rather than only confirming configuration was saved. This result addresses the stated challenge at the Harborwick distribution center.

Incorrect Answers

A:

Removing one approved circuit leaves forwarding and required modules operational. This option is based on the following distinct technical behavior: it requires the team to audit power source diversity and module status during site inspections. The present question instead depends on this mechanism: total chassis PoE consumption can exceed available power when endpoints start together. That difference matters for the requested acceptance evidence.

C:

Under load corporate voice retains its target class while contractor traffic remains best effort. The reported problem is governed by this different mechanism: total chassis PoE consumption can exceed available power when endpoints start together. The offered choice would not address that particular acceptance evidence directly.

D:

The option states: A tagged and untagged test confirms the intended VLAN separation across the link. The source describes its associated mechanism as: different untagged VLAN handling can leak or misdeliver management and user frames. By contrast, the current situation is governed by: total chassis PoE consumption can exceed available power when endpoints start together. Choosing this alternative would leave the question’s specific acceptance evidence unresolved.

Question 128

At the Harborwick distribution center, a new wireless access point powers off intermittently when other PoE devices begin drawing load. How should the organization sustain the improvement?

  1. Review power utilization and supply redundancy as endpoints grow
  2. Audit power source diversity and module status during site inspections
  3. Audit management protocols and trusted access sources during upgrades
  4. Monitor RADIUS timeouts shared secret rotation and policy changes

Explanation

Correct Answer

A:

The team should review power utilization and supply redundancy as endpoints grow. That recurring practice targets the same weakness, namely that total chassis PoE consumption can exceed available power when endpoints start together. This result addresses the stated challenge at the Harborwick distribution center.

Incorrect Answers

B:

Audit power source diversity and module status during site inspections. Its technical scope is explained by: it requires the team to audit power source diversity and module status during site inspections. In this question, the decisive issue is: total chassis PoE consumption can exceed available power when endpoints start together. That is why the offered option is not the most direct recurrence control.

C:

The option states: Audit management protocols and trusted access sources during upgrades. The source describes its associated mechanism as: unencrypted or broadly reachable management exposes network configuration and credentials, the required evidence must show that an authorized SSH login succeeds while an unauthorized plaintext management attempt fails. By contrast, the current situation is governed by: total chassis PoE consumption can exceed available power when endpoints start together. Choosing this alternative would leave the question’s specific recurrence control unresolved.

D:

Monitor RADIUS timeouts shared secret rotation and policy changes. This option is based on the following distinct technical behavior: wired authentication cannot authorize users if switch and server trust or reachability is missing. The present question instead depends on this mechanism: total chassis PoE consumption can exceed available power when endpoints start together. That difference matters for the requested recurrence control.

Question 129

At the Uptonbridge school district, a distribution switch has two power modules connected to the same failed circuit. Which approach best resolves the described issue?

  1. Feed supported redundant power supplies from independent approved circuits and verify failover
  2. Match supported transceivers fiber medium and optical parameters at both ends and verify link budget
  3. Configure the supported helper or DHCP relay on the correct VLAN interface and confirm route reachability
  4. Verify multicast routing and the supported PIM design between source and receiver networks

Explanation

Correct Answer

A:

The reported facts support this change rather than a general platform replacement. The team should feed supported redundant power supplies from independent approved circuits and verify failover because two power supplies on one electrical source do not protect against a common circuit failure. A suitable test confirms that removing one approved circuit leaves forwarding and required modules operational. This result addresses the stated challenge at the Uptonbridge school district.

Incorrect Answers

B:

The option states: Match supported transceivers fiber medium and optical parameters at both ends and verify link budget. The source describes its associated mechanism as: mismatched optic characteristics prevent a valid light path despite correct switch configuration; a passing acceptance check would show that optical diagnostics show receive levels within specification and the link establishes. By contrast, the current situation is governed by: two power supplies on one electrical source do not protect against a common circuit failure. Choosing this alternative would leave the question’s specific root-cause explanation unresolved.

C:

Configure the supported helper or DHCP relay on the correct VLAN interface and confirm route reachability. This option is based on the following distinct technical behavior: layer 3 separation blocks local broadcast discovery without an approved relay path; a passing acceptance check would show that a test client receives the correct scope address and relay logs show the exchange. The present question instead depends on this mechanism: two power supplies on one electrical source do not protect against a common circuit failure. That difference matters for the requested root-cause explanation.

D:

IGMP local group membership does not automatically create routed multicast forwarding across VLANs; a passing acceptance check would show that a routed subscriber receives the expected group through the authorized multicast tree. The offered alternative applies that mechanism: Verify multicast routing and the supported PIM design between source and receiver networks. The reported facts point to a different controlling condition: two power supplies on one electrical source do not protect against a common circuit failure. The alternative does not directly settle the required root-cause explanation.

Question 130

At the Uptonbridge school district, a distribution switch has two power modules connected to the same failed circuit. Which explanation best accounts for the concern?

  1. Mismatched optic characteristics prevent a valid light path despite correct switch configuration
  2. Two power supplies on one electrical source do not protect against a common circuit failure
  3. Without learned receiver groups a Layer 2 multicast stream may be flooded to unrelated ports
  4. BGP neighbors require compatible AS relationships and reachable transport before exchanging routes

Explanation

Correct Answer

B:

The problem stems from the fact that two power supplies on one electrical source do not protect against a common circuit failure. A correct solution would feed supported redundant power supplies from independent approved circuits and verify failover and check that removing one approved circuit leaves forwarding and required modules operational. This result addresses the stated challenge at the Uptonbridge school district.

Incorrect Answers

A:

The option states: Mismatched optic characteristics prevent a valid light path despite correct switch configuration. By contrast, the current situation is governed by: two power supplies on one electrical source do not protect against a common circuit failure. Choosing this alternative would leave the question’s specific root-cause explanation unresolved.

C:

without learned receiver groups a Layer 2 multicast stream may be flooded to unrelated ports, rather than merely a monitoring or presentation issue. The offered alternative applies that mechanism: Without learned receiver groups a Layer 2 multicast stream may be flooded to unrelated ports. The reported facts point to a different controlling condition: two power supplies on one electrical source do not protect against a common circuit failure. The alternative does not directly settle the required root-cause explanation.

D:

BGP neighbors require compatible AS relationships and reachable transport before exchanging routes. Its technical scope is explained by: BGP neighbors require compatible AS relationships and reachable transport before exchanging routes, rather than merely a monitoring or presentation issue. In this question, the decisive issue is: two power supplies on one electrical source do not protect against a common circuit failure. That is why the offered option is not the most direct root-cause explanation.