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Exam Code: HPE7-A08
Exam Name: HPE Network Switching Professional
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HPE Network Switching Professional HPE7-A08 Practice Test 49

Question 480

Scenario: A 24-port access switch replacement will add 48 client devices over the next year. What is the most appropriate next engineering step?

  1. Verify exact model, firmware and feature availability before allocating routing responsibilities
  2. Build an authoritative physical and logical inventory before a production migration
  3. Evaluate a supported AOS-CX 6200 VSF stack with sufficient links and member capacity
  4. Size port density, uplink oversubscription, power and rack resources for the growth forecast

Explanation

Correct Answer

D:

The best action is to size port density, uplink oversubscription, power and rack resources for the growth forecast. The stated operational constraint is: a 24-port access switch replacement will add 48 client devices over the next year. This matches the mechanism that capacity planning considers forecast demand rather than only current utilization. It also avoids the specific exposure that selecting hardware for today's 24 connections alone will force an early replacement. A suitable acceptance test is: a capacity model supports anticipated endpoints with agreed headroom. Changing an unrelated feature does not meet that acceptance criterion.

Incorrect Answers

A:

A design capability is bounded by platform and release support, not generic vendor branding. The option “Verify exact model, firmware and feature availability before allocating routing responsibilities” does not implement the required “Size port density, uplink oversubscription, power and rack resources for the growth forecast” on this network. Capacity planning considers forecast demand rather than only current utilization.

B:

As-built data is needed to map current dependencies to new ports safely. The option “Build an authoritative physical and logical inventory before a production migration” does not implement the required “Size port density, uplink oversubscription, power and rack resources for the growth forecast” on this network. Capacity planning considers forecast demand rather than only current utilization.

C:

VSF provides a unified management and control plane across supported stack members. The option “Evaluate a supported AOS-CX 6200 VSF stack with sufficient links and member capacity” does not implement the required “Size port density, uplink oversubscription, power and rack resources for the growth forecast” on this network. Capacity planning considers forecast demand rather than only current utilization.

Question 481

Scenario: A change owner cannot distinguish intended campus policy from site-specific exceptions. Which observation most directly verifies success in this scenario?

  1. Audit records show a shared baseline and justified approved site differences
  2. A dry-run rollback recovers the prior ACL behavior and preserves management access
  3. Approved diffs and timestamps reconcile to observed running and saved configurations
  4. Budget metrics and AP startup tests confirm adequate reserved power after correction

Explanation

Correct Answer

A:

The decisive evidence is that audit records show a shared baseline and justified approved site differences. It demonstrates that the team has handled this specific situation: a change owner cannot distinguish intended campus policy from site-specific exceptions. The associated fix is to document common baseline configuration with explicit per-site exception metadata and the technical basis is that controlled exceptions prevent drift without forcing every site into an unsuitable identical template. Other observations might measure some part of the network, but do not directly validate the criterion in this case.

Incorrect Answers

B:

Recoverable configuration management requires a restorable baseline and verified rollback. An observation of “A dry-run rollback recovers the prior ACL behavior and preserves management access” would not verify “Audit records show a shared baseline and justified approved site differences” on the affected network; Controlled exceptions prevent drift without forcing every site into an unsuitable identical template.

C:

Auditable change management links intent, approvals and actual before-and-after configurations. An observation of “Approved diffs and timestamps reconcile to observed running and saved configurations” would not verify “Audit records show a shared baseline and justified approved site differences” on the affected network; Controlled exceptions prevent drift without forcing every site into an unsuitable identical template.

D:

PoE telemetry exposes power allocation pressure that may be hidden by ordinary link state. An observation of “Budget metrics and AP startup tests confirm adequate reserved power after correction” would not verify “Audit records show a shared baseline and justified approved site differences” on the affected network; Controlled exceptions prevent drift without forcing every site into an unsuitable identical template.

Question 482

Scenario: A campus upgrade has to maintain voice and data service during inter-building uplink replacement. Which engineering action BEST addresses the situation?

  1. Sequence inventory, backup, maintenance, VLAN parity, cutover and rollback tests before touching the active stack
  2. Document interface roles, VLAN lists, LAG members and convergence tests for each cutover step
  3. Evaluate the AOS-CX 6300 family and its supported VSF capabilities for the design
  4. Plan VLAN boundaries, VRFs and approved inter-segment policy before implementation

Explanation

Correct Answer

B:

The best action is to document interface roles, VLAN lists, LAG members and convergence tests for each cutover step. The stated operational constraint is: a campus upgrade has to maintain voice and data service during inter-building uplink replacement. This matches the mechanism that uplink changes alter multiple dependent Layer 2 and Layer 3 paths. It also avoids the specific exposure that changing all uplinks simultaneously hides the source of a topology regression. A suitable acceptance test is: each stage passes neighbor, VLAN, routing and voice connectivity checks before the next stage. Changing an unrelated feature does not meet that acceptance criterion.

Incorrect Answers

A:

“Sequence inventory, backup, maintenance, VLAN parity, cutover and rollback tests before touching the active stack” would not implement the requested network change “Document interface roles, VLAN lists, LAG members and convergence tests for each cutover step”. Uplink changes alter multiple dependent Layer 2 and Layer 3 paths.

C:

6300 switches provide enterprise campus access and aggregation options with supported stacking. The option “Evaluate the AOS-CX 6300 family and its supported VSF capabilities for the design” does not implement the required “Document interface roles, VLAN lists, LAG members and convergence tests for each cutover step” on this network. Uplink changes alter multiple dependent Layer 2 and Layer 3 paths.

D:

Segmentation requires both forwarding isolation and explicitly approved routing or security exceptions. The option “Plan VLAN boundaries, VRFs and approved inter-segment policy before implementation” does not implement the required “Document interface roles, VLAN lists, LAG members and convergence tests for each cutover step” on this network. Uplink changes alter multiple dependent Layer 2 and Layer 3 paths.

Question 483

Scenario: A campus needs medium-sized access switches with high-power PoE and fast aggregation uplinks. Which warning BEST applies to this implementation or troubleshooting task?

  1. Replacing a chassis requirement with a small fixed access switch sacrifices required expansion capability
  2. Selecting a fabric device solely for its headline bandwidth may omit useful endpoint access features
  3. Choosing a model by vendor family name without checking its power supply can underpower access points
  4. Selecting hardware for today's 24 connections alone will force an early replacement

Explanation

Correct Answer

C:

The relevant pitfall is that choosing a model by vendor family name without checking its power supply can underpower access points. In this scenario, a campus needs medium-sized access switches with high-power PoE and fast aggregation uplinks, so the warning addresses a concrete operational risk or an ineffective repair. The underlying reason is that a series choice is valid only when the exact SKU satisfies client power and interface requirements. The appropriate mitigation is to match AOS-CX access models by actual PoE budget and uplink specifications, not series branding alone. A follow-up test should confirm that the bill of materials and load tests verify every PoE device and uplink.

Incorrect Answers

A:

The relevant pitfall is that replacing a chassis requirement with a small fixed access switch sacrifices required expansion capability. The hazard in this scenario is “Choosing a model by vendor family name without checking its power supply can underpower access points”, which follows a different network failure mechanism.

B:

The relevant pitfall is that selecting a fabric device solely for its headline bandwidth may omit useful endpoint access features. The hazard in this scenario is “Choosing a model by vendor family name without checking its power supply can underpower access points”, which follows a different network failure mechanism.

D:

The relevant pitfall is that selecting hardware for today's 24 connections alone will force an early replacement. The hazard in this scenario is “Choosing a model by vendor family name without checking its power supply can underpower access points”, which follows a different network failure mechanism.

Question 484

Scenario: A RADIUS outage must not silently grant all wired users unrestricted network access. Which technical principle BEST explains the appropriate approach?

  1. Configuration checkpoints and saved backups improve traceable recovery
  2. 802.1X exchanges identity-based authentication and can assign approved access roles
  3. Packet filtering follows ordered match criteria with explicit permit and deny behavior
  4. Fallback authentication roles define constrained behavior when the identity service is unavailable

Explanation

Correct Answer

D:

The controlling principle is that fallback authentication roles define constrained behavior when the identity service is unavailable. This is directly applicable because a RADIUS outage must not silently grant all wired users unrestricted network access. The resulting engineering choice would be to configure and test an explicit critical or fallback port-access role consistent with risk policy rather than treating unrelated switch subsystems as the cause. An operational verification is: an isolated RADIUS outage test assigns only the approved fallback access. The mechanism explains the actual requirement, not merely a coincidental symptom.

Incorrect Answers

A:

“Configuration checkpoints and saved backups improve traceable recovery” is not the mechanism established by “Fallback authentication roles define constrained behavior when the identity service is unavailable”.

B:

“802.1X exchanges identity-based authentication and can assign approved access roles” is not the mechanism established by “Fallback authentication roles define constrained behavior when the identity service is unavailable”.

C:

“Packet filtering follows ordered match criteria with explicit permit and deny behavior” is not the mechanism established by “Fallback authentication roles define constrained behavior when the identity service is unavailable”.

Question 485

Scenario: A campus needs medium-sized access switches with high-power PoE and fast aggregation uplinks. What underlying switching principle is most relevant?

  1. A series choice is valid only when the exact SKU satisfies client power and interface requirements
  2. Industrialized access hardware is selected for installation environment and interface needs
  3. As-built data is needed to map current dependencies to new ports safely
  4. Entry access platforms serve fixed-port endpoint connectivity without the modular capacity of campus core chassis

Explanation

Correct Answer

A:

The controlling principle is that a series choice is valid only when the exact SKU satisfies client power and interface requirements. This is directly applicable because a campus needs medium-sized access switches with high-power PoE and fast aggregation uplinks. The resulting engineering choice would be to match AOS-CX access models by actual PoE budget and uplink specifications, not series branding alone rather than treating unrelated switch subsystems as the cause. An operational verification is: the bill of materials and load tests verify every PoE device and uplink. The mechanism explains the actual requirement, not merely a coincidental symptom.

Incorrect Answers

B:

“Industrialized access hardware is selected for installation environment and interface needs” is not the mechanism established by “A series choice is valid only when the exact SKU satisfies client power and interface requirements”.

C:

“As-built data is needed to map current dependencies to new ports safely” is not the mechanism established by “A series choice is valid only when the exact SKU satisfies client power and interface requirements”.

D:

“Entry access platforms serve fixed-port endpoint connectivity without the modular capacity of campus core chassis” is not the mechanism established by “A series choice is valid only when the exact SKU satisfies client power and interface requirements”.

Question 486

Scenario: A routed uplink has matching IP addresses but OSPF remains stuck before Full. What evidence should be collected to validate the proposed repair or implementation?

  1. DHCP relay counters and a test client confirm discovery and offer exchange across the routed path
  2. The neighbor transitions to Full and expected routes install after the discrepancy is corrected
  3. The adjacency reaches Full and route reachability matches the design
  4. Spanning-tree output explains the blocked port and the expected alternate path

Explanation

Correct Answer

B:

The decisive evidence is that the neighbor transitions to Full and expected routes install after the discrepancy is corrected. It demonstrates that the team has handled this specific situation: a routed uplink has matching IP addresses but OSPF remains stuck before Full. The associated fix is to check OSPF neighbor state, area, timers, authentication and MTU compatibility and the technical basis is that OSPF adjacency depends on consistent control-plane parameters across neighbors. Other observations might measure some part of the network, but do not directly validate the criterion in this case.

Incorrect Answers

A:

DHCP relay misconfiguration can disrupt address assignment across Layer 3 boundaries. An observation of “DHCP relay counters and a test client confirm discovery and offer exchange across the routed path” would not verify “The neighbor transitions to Full and expected routes install after the discrepancy is corrected” on the affected network; OSPF adjacency depends on consistent control-plane parameters across neighbors.

C:

OSPF peers must share compatible area assignments to establish adjacency. An observation of “The adjacency reaches Full and route reachability matches the design” would not verify “The neighbor transitions to Full and expected routes install after the discrepancy is corrected” on the affected network; OSPF adjacency depends on consistent control-plane parameters across neighbors.

D:

Spanning tree deliberately blocks paths to prevent a Layer 2 loop. An observation of “Spanning-tree output explains the blocked port and the expected alternate path” would not verify “The neighbor transitions to Full and expected routes install after the discrepancy is corrected” on the affected network; OSPF adjacency depends on consistent control-plane parameters across neighbors.

Question 487

Scenario: A network team wants to enforce role separation between junior operators and configuration approvers. Which technical principle BEST explains the appropriate approach?

  1. Software lifecycle management should contain risk and preserve compatibility across sites
  2. Disaster recovery depends on accessible configuration copies independent of failed equipment
  3. Configuration governance separates observation, change authority and release acceptance
  4. Optical digital diagnostics can identify a marginal physical transmit or receive path

Explanation

Correct Answer

C:

The controlling principle is that configuration governance separates observation, change authority and release acceptance. This is directly applicable because a network team wants to enforce role separation between junior operators and configuration approvers. The resulting engineering choice would be to use least-privilege management access and recorded approval before high-impact edits rather than treating unrelated switch subsystems as the cause. An operational verification is: permission tests prove read-only staff cannot commit configuration while approved engineers can. The mechanism explains the actual requirement, not merely a coincidental symptom.

Incorrect Answers

A:

“Software lifecycle management should contain risk and preserve compatibility across sites” is not the mechanism established by “Configuration governance separates observation, change authority and release acceptance”.

B:

“Disaster recovery depends on accessible configuration copies independent of failed equipment” is not the mechanism established by “Configuration governance separates observation, change authority and release acceptance”.

D:

“Optical digital diagnostics can identify a marginal physical transmit or receive path” is not the mechanism established by “Configuration governance separates observation, change authority and release acceptance”.

Question 488

Scenario: An interswitch trunk carries VLAN 10 but silently drops tagged VLAN 30 traffic. Which technical principle BEST explains the appropriate approach?

  1. MSTP uses consistent region parameters and root selection to create loop-free forwarding trees
  2. Wired and wireless integration depends on consistent VLAN transport to the AP
  3. VSF forms a single virtual switch with shared control and management across members
  4. A trunk forwards only VLANs permitted by its VLAN membership policy

Explanation

Correct Answer

D:

The controlling principle is that a trunk forwards only VLANs permitted by its VLAN membership policy. This is directly applicable because an interswitch trunk carries VLAN 10 but silently drops tagged VLAN 30 traffic. The resulting engineering choice would be to inspect and correct the trunk allowed-VLAN list consistently on both peers rather than treating unrelated switch subsystems as the cause. An operational verification is: test traffic on VLAN 30 crosses the link and both sides show matching membership. The mechanism explains the actual requirement, not merely a coincidental symptom.

Incorrect Answers

A:

“MSTP uses consistent region parameters and root selection to create loop-free forwarding trees” is not the mechanism established by “A trunk forwards only VLANs permitted by its VLAN membership policy”.

B:

“Wired and wireless integration depends on consistent VLAN transport to the AP” is not the mechanism established by “A trunk forwards only VLANs permitted by its VLAN membership policy”.

C:

“VSF forms a single virtual switch with shared control and management across members” is not the mechanism established by “A trunk forwards only VLANs permitted by its VLAN membership policy”.

Question 489

Scenario: A network manager wants unified health visibility across Central-managed AOS-CX switches. Which warning BEST applies to this implementation or troubleshooting task?

  1. Independent switch CLI configuration alone cannot produce a centralized inventory dashboard
  2. Treating firewall filtering as a replacement for route reachability leads to asymmetric or dropped traffic
  3. An access port carrying only one VLAN cannot pass several required SSID VLANs
  4. Using a broad trunk toward an ordinary single-VLAN client can expose unintended segments

Explanation

Correct Answer

A:

The relevant pitfall is that independent switch CLI configuration alone cannot produce a centralized inventory dashboard. In this scenario, a network manager wants unified health visibility across Central-managed AOS-CX switches, so the warning addresses a concrete operational risk or an ineffective repair. The underlying reason is that central combines switch inventory, configuration and health telemetry in a managed view. The appropriate mitigation is to enroll devices correctly and use supported Central monitoring and alerting capabilities. A follow-up test should confirm that central alarms and device health reflect a controlled link failure and recovery.

Incorrect Answers

B:

The relevant pitfall is that treating firewall filtering as a replacement for route reachability leads to asymmetric or dropped traffic. The hazard in this scenario is “Independent switch CLI configuration alone cannot produce a centralized inventory dashboard”, which follows a different network failure mechanism.

C:

The relevant pitfall is that an access port carrying only one VLAN cannot pass several required SSID VLANs. The hazard in this scenario is “Independent switch CLI configuration alone cannot produce a centralized inventory dashboard”, which follows a different network failure mechanism.

D:

“Using a broad trunk toward an ordinary single-VLAN client can expose unintended segments” describes a different exposure than “Independent switch CLI configuration alone cannot produce a centralized inventory dashboard”.

Question 490

Scenario: A WLAN access point uplink carries tagged SSID VLANs and an untagged management network. What is the most appropriate next engineering step?

  1. Integrate switch port-access policy with approved RADIUS and dynamic role assignments
  2. Document and configure compatible switch trunk native and allowed VLANs for the access point
  3. Verify supported model onboarding, device inventory, group placement and management reachability
  4. Enroll devices correctly and use supported Central monitoring and alerting capabilities

Explanation

Correct Answer

B:

The best action is to document and configure compatible switch trunk native and allowed VLANs for the access point. The stated operational constraint is: a WLAN access point uplink carries tagged SSID VLANs and an untagged management network. This matches the mechanism that wired and wireless integration depends on consistent VLAN transport to the AP. It also avoids the specific exposure that an access port carrying only one VLAN cannot pass several required SSID VLANs. A suitable acceptance test is: AP management and user traffic traverse their intended VLANs during association tests. Changing an unrelated feature does not meet that acceptance criterion.

Incorrect Answers

A:

NAC policy engines make identity decisions while switch interfaces enforce returned access profiles. The option “Integrate switch port-access policy with approved RADIUS and dynamic role assignments” does not implement the required “Document and configure compatible switch trunk native and allowed VLANs for the access point” on this network. Wired and wireless integration depends on consistent VLAN transport to the AP.

C:

Cloud management requires correctly associated inventory and a reachable management path. The option “Verify supported model onboarding, device inventory, group placement and management reachability” does not implement the required “Document and configure compatible switch trunk native and allowed VLANs for the access point” on this network. Wired and wireless integration depends on consistent VLAN transport to the AP.

D:

Central combines switch inventory, configuration and health telemetry in a managed view. The option “Enroll devices correctly and use supported Central monitoring and alerting capabilities” does not implement the required “Document and configure compatible switch trunk native and allowed VLANs for the access point” on this network. Wired and wireless integration depends on consistent VLAN transport to the AP.

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