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HP HPE7-A01 Practice Test 13

Question 120

A redundant distribution pair exposes inconsistent virtual gateway addresses for a student VLAN following a configuration restore. If the revised setting disrupts users, which controlled rollback would be most relevant?

  1. Return the affected feature to a documented peer-consistent configuration and disable unsupported synchronization assumptions.
  2. Reinstate the former working stack-link connections and member addressing before proceeding with a broader stack upgrade.
  3. Reinstate the last matching active-gateway parameters on both peers and verify ARP or neighbor cache convergence.
  4. Roll back to the last supported common stack image and isolate the incompatible member until a tested upgrade plan is ready for the affected campus deployment.

Explanation

Correct Answer

C:

Reinstate the last matching active-gateway parameters on both peers and verify ARP or neighbor cache convergence. VSX active gateway depends on consistent virtual gateway identity; uncoordinated peer settings cause intermittent forwarding failures. The focused rollback restores a known safe baseline before another change attempt. The decision applies to the described vsx active-gateway consistency situation.

Incorrect Answers

A:

Return the affected feature to a documented peer-consistent configuration and disable unsupported synchronization assumptions. This instead concerns vsx synchronization scope. VSX synchronizes only supported selected configuration categories; peer devices remain independent control planes with some intentionally distinct settings. It would not safely roll back the relevant failed change. The immediate problem concerns vsx active-gateway consistency. For the incident in this item: A redundant distribution pair exposes inconsistent virtual gateway addresses for a student VLAN following a configuration restore.

B:

Reinstate the former working stack-link connections and member addressing before proceeding with a broader stack upgrade. This instead concerns vsf member and conductor status. VSF provides a single logical switch across supported members, which differs from independent VSX peer devices and their ISL. It would not safely roll back the relevant failed change. The immediate problem concerns vsx active-gateway consistency.

D:

Roll back to the last supported common stack image and isolate the incompatible member until a tested upgrade plan is ready for the affected campus deployment. This instead concerns vsf upgrade and member compatibility. Stacking members must meet platform and software compatibility requirements; forcing an out-of-family member into a stack risks service interruption. It would not safely roll back the relevant failed change. The immediate problem concerns vsx active-gateway consistency.

Question 121

An engineer assumes every local VSX configuration change replicates automatically to its peer, leaving security ACLs inconsistent. Which investigation would best isolate the immediate network dependency?

  1. Inspect VSF member IDs, conductor or standby state and dedicated stacking-link port health.
  2. Inspect supported member models, firmware compatibility and the stack version or image state for each member.
  3. Inspect configured VSX synchronization categories and the current configuration diff for the relevant feature.
  4. Inspect LAG minimum-member requirements, surviving member forwarding state and peer aggregation configuration.

Explanation

Correct Answer

C:

Inspect configured VSX synchronization categories and the current configuration diff for the relevant feature. VSX synchronizes only supported selected configuration categories; peer devices remain independent control planes with some intentionally distinct settings. The evidence check isolates the relevant prerequisite before a disruptive change. The decision applies to the described vsx synchronization scope situation.

Incorrect Answers

A:

Inspect VSF member IDs, conductor or standby state and dedicated stacking-link port health. This instead concerns vsf member and conductor status. VSF provides a single logical switch across supported members, which differs from independent VSX peer devices and their ISL. It does not isolate the cause of the stated incident. The immediate problem concerns vsx synchronization scope.

B:

Inspect supported member models, firmware compatibility and the stack version or image state for each member. This instead concerns vsf upgrade and member compatibility. Stacking members must meet platform and software compatibility requirements; forcing an out-of-family member into a stack risks service interruption. It does not isolate the cause of the stated incident. The immediate problem concerns vsx synchronization scope.

D:

Inspect LAG minimum-member requirements, surviving member forwarding state and peer aggregation configuration. This instead concerns lag member failure and redundancy. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. It does not isolate the cause of the stated incident. The immediate problem concerns vsx synchronization scope.

Question 122

An engineer assumes every local VSX configuration change replicates automatically to its peer, leaving security ACLs inconsistent. Which specific corrective design step best meets the stated campus requirement?

  1. Repair compatible VSF member identities and stacking links using the device family supported procedure.
  2. Enable supported synchronization for the intended configuration contexts and make controlled local-only exceptions explicitly.
  3. Bring the replacement member to the approved compatible software and stacking configuration before joining the production VSF.
  4. Correct supported LAG resilience thresholds and ensure both physical links are eligible active members before relying on failover.

Explanation

Correct Answer

B:

Enable supported synchronization for the intended configuration contexts and make controlled local-only exceptions explicitly. VSX synchronizes only supported selected configuration categories; peer devices remain independent control planes with some intentionally distinct settings. The proposed configuration targets the stated dependency without broadening unrelated access. The decision applies to the described vsx synchronization scope situation.

Incorrect Answers

A:

Repair compatible VSF member identities and stacking links using the device family supported procedure. This instead concerns vsf member and conductor status. VSF provides a single logical switch across supported members, which differs from independent VSX peer devices and their ISL. It would not implement the specifically required change. The immediate problem concerns vsx synchronization scope.

C:

Bring the replacement member to the approved compatible software and stacking configuration before joining the production VSF. This instead concerns vsf upgrade and member compatibility. Stacking members must meet platform and software compatibility requirements; forcing an out-of-family member into a stack risks service interruption. It would not implement the specifically required change. The immediate problem concerns vsx synchronization scope.

D:

Correct supported LAG resilience thresholds and ensure both physical links are eligible active members before relying on failover. This instead concerns lag member failure and redundancy. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. It would not implement the specifically required change. The immediate problem concerns vsx synchronization scope.

Question 123

An engineer assumes every local VSX configuration change replicates automatically to its peer, leaving security ACLs inconsistent. Following a targeted change, which acceptance test would most directly demonstrate success?

  1. Validate the selected feature is consistent on both peers while intended independent interfaces remain unique.
  2. Confirm all members join the same stack and their uplink or access interfaces reappear under the expected logical system.
  3. Validate compatible software on every member and a stable member topology after a staged reload or failover.
  4. Disconnect one approved test member and verify connectivity persists on the surviving link without LACP collapse.

Explanation

Correct Answer

A:

Validate the selected feature is consistent on both peers while intended independent interfaces remain unique. VSX synchronizes only supported selected configuration categories; peer devices remain independent control planes with some intentionally distinct settings. The result tests actual working behavior, not merely a saved configuration. The decision applies to the described vsx synchronization scope situation.

Incorrect Answers

B:

Confirm all members join the same stack and their uplink or access interfaces reappear under the expected logical system. This instead concerns vsf member and conductor status. VSF provides a single logical switch across supported members, which differs from independent VSX peer devices and their ISL. It would not establish that this function actually works. The immediate problem concerns vsx synchronization scope.

C:

Validate compatible software on every member and a stable member topology after a staged reload or failover. This instead concerns vsf upgrade and member compatibility. Stacking members must meet platform and software compatibility requirements; forcing an out-of-family member into a stack risks service interruption. It would not establish that this function actually works. The immediate problem concerns vsx synchronization scope.

D:

Disconnect one approved test member and verify connectivity persists on the surviving link without LACP collapse. This instead concerns lag member failure and redundancy. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. It would not establish that this function actually works. The immediate problem concerns vsx synchronization scope.

Question 124

An engineer assumes every local VSX configuration change replicates automatically to its peer, leaving security ACLs inconsistent. The change fails acceptance. What is the safest targeted restoration action?

  1. Restore the former working stack-link connections and member addressing before proceeding with a broader stack upgrade.
  2. Roll back to the last supported common stack image and isolate the incompatible member until a tested upgrade plan is ready.
  3. Revert the minimum-link or LACP changes to known-good values and recover both members if acceptance traffic fails.
  4. Return the affected feature to a documented peer-consistent configuration and disable unsupported synchronization assumptions.

Explanation

Correct Answer

D:

Return the affected feature to a documented peer-consistent configuration and disable unsupported synchronization assumptions. VSX synchronizes only supported selected configuration categories; peer devices remain independent control planes with some intentionally distinct settings. The focused rollback restores a known safe baseline before another change attempt. The decision applies to the described vsx synchronization scope situation.

Incorrect Answers

A:

Restore the former working stack-link connections and member addressing before proceeding with a broader stack upgrade. This instead concerns vsf member and conductor status. VSF provides a single logical switch across supported members, which differs from independent VSX peer devices and their ISL. It would not safely roll back the relevant failed change. The immediate problem concerns vsx synchronization scope.

B:

Roll back to the last supported common stack image and isolate the incompatible member until a tested upgrade plan is ready. This instead concerns vsf upgrade and member compatibility. Stacking members must meet platform and software compatibility requirements; forcing an out-of-family member into a stack risks service interruption. It would not safely roll back the relevant failed change. The immediate problem concerns vsx synchronization scope.

C:

Revert the minimum-link or LACP changes to known-good values and recover both members if acceptance traffic fails. This instead concerns lag member failure and redundancy. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. It would not safely roll back the relevant failed change. The immediate problem concerns vsx synchronization scope.

Question 125

A distribution VSX pair shows identical VLANs but different supported port settings after a change was made on only one peer. Before implementing a remedy, what should the engineer check first?

  1. Review VSF member IDs, conductor or standby state and dedicated stacking-link port health.
  2. Review supported member models, firmware compatibility and the stack version or image state for each member.
  3. Review configured VSX synchronization categories and the current configuration diff for the relevant feature.
  4. Review LAG minimum-member requirements, surviving member forwarding state and peer aggregation configuration.

Explanation

Correct Answer

C:

Review configured VSX synchronization categories and the current configuration diff for the relevant feature. VSX synchronizes only supported selected configuration categories; peer devices remain independent control planes with some intentionally distinct settings. The evidence check isolates the relevant prerequisite before a disruptive change. The decision applies to the described vsx synchronization scope situation.

Incorrect Answers

A:

Review VSF member IDs, conductor or standby state and dedicated stacking-link port health. This instead concerns vsf member and conductor status. VSF provides a single logical switch across supported members, which differs from independent VSX peer devices and their ISL. It does not isolate the cause of the stated incident. The immediate problem concerns vsx synchronization scope.

B:

Review supported member models, firmware compatibility and the stack version or image state for each member. This instead concerns vsf upgrade and member compatibility. Stacking members must meet platform and software compatibility requirements; forcing an out-of-family member into a stack risks service interruption. It does not isolate the cause of the stated incident. The immediate problem concerns vsx synchronization scope.

D:

Review LAG minimum-member requirements, surviving member forwarding state and peer aggregation configuration. This instead concerns lag member failure and redundancy. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. It does not isolate the cause of the stated incident. The immediate problem concerns vsx synchronization scope.

Question 126

A distribution VSX pair shows identical VLANs but different supported port settings after a change was made on only one peer. The review requires TWO complementary actions: one diagnostic check and one controlled configuration remedy. Select TWO actions that together meet those requirements.

  1. Review VSF member IDs, conductor or standby state and dedicated stacking-link port health.
  2. Review configured VSX synchronization categories and the current configuration diff for the relevant feature.
  3. Move the replacement member to the approved compatible software and stacking configuration before joining the production VSF.
  4. Activate supported synchronization for the intended configuration contexts and make controlled local-only exceptions explicitly.

Explanation

Correct Answers

B:

Review configured VSX synchronization categories and the current configuration diff for the relevant feature. VSX synchronizes only supported selected configuration categories; peer devices remain independent control planes with some intentionally distinct settings. This is the required diagnosis or controlled remedy; the other keyed action supplies the complementary role. The decision applies to the described vsx synchronization scope situation.

D:

Activate supported synchronization for the intended configuration contexts and make controlled local-only exceptions explicitly. VSX synchronizes only supported selected configuration categories; peer devices remain independent control planes with some intentionally distinct settings. This is the required diagnosis or controlled remedy; the other keyed action supplies the complementary role. The decision applies to the described vsx synchronization scope situation.

Incorrect Answers

A:

Review VSF member IDs, conductor or standby state and dedicated stacking-link port health. This instead concerns vsf member and conductor status. VSF provides a single logical switch across supported members, which differs from independent VSX peer devices and their ISL. It is not one of the requested paired diagnosis and configuration actions. The immediate problem concerns vsx synchronization scope.

C:

Move the replacement member to the approved compatible software and stacking configuration before joining the production VSF. This instead concerns vsf upgrade and member compatibility. Stacking members must meet platform and software compatibility requirements; forcing an out-of-family member into a stack risks service interruption. It is not one of the requested paired diagnosis and configuration actions. The immediate problem concerns vsx synchronization scope.

Question 127

A distribution VSX pair shows identical VLANs but different supported port settings after a change was made on only one peer. A deployment job reports success. Which observed result would actually validate the affected service?

  1. Validate the selected feature is consistent on both peers while intended independent interfaces remain unique for the affected campus deployment.
  2. Verify all members join the same stack and their uplink or access interfaces reappear under the expected logical system.
  3. Validate compatible software on every member and a stable member topology after a staged reload or failover for the affected campus deployment.
  4. Temporarily disconnect one approved test member and verify connectivity persists on the surviving link without LACP collapse.

Explanation

Correct Answer

A:

Validate the selected feature is consistent on both peers while intended independent interfaces remain unique for the affected campus deployment. VSX synchronizes only supported selected configuration categories; peer devices remain independent control planes with some intentionally distinct settings. The result tests actual working behavior, not merely a saved configuration. The decision applies to the described vsx synchronization scope situation.

Incorrect Answers

B:

Verify all members join the same stack and their uplink or access interfaces reappear under the expected logical system. This instead concerns vsf member and conductor status. VSF provides a single logical switch across supported members, which differs from independent VSX peer devices and their ISL. It would not establish that this function actually works. The immediate problem concerns vsx synchronization scope.

C:

Validate compatible software on every member and a stable member topology after a staged reload or failover for the affected campus deployment. This instead concerns vsf upgrade and member compatibility. Stacking members must meet platform and software compatibility requirements; forcing an out-of-family member into a stack risks service interruption. It would not establish that this function actually works. The immediate problem concerns vsx synchronization scope.

D:

Temporarily disconnect one approved test member and verify connectivity persists on the surviving link without LACP collapse. This instead concerns lag member failure and redundancy. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. It would not establish that this function actually works. The immediate problem concerns vsx synchronization scope.

Question 128

A distribution VSX pair shows identical VLANs but different supported port settings after a change was made on only one peer. If the revised setting disrupts users, which controlled rollback would be most relevant?

  1. Reinstate the former working stack-link connections and member addressing before proceeding with a broader stack upgrade.
  2. Roll back to the last supported common stack image and isolate the incompatible member until a tested upgrade plan is ready for the affected campus deployment.
  3. Undo the minimum-link or LACP changes to known-good values and recover both members if acceptance traffic fails.
  4. Return the affected feature to a documented peer-consistent configuration and disable unsupported synchronization assumptions.

Explanation

Correct Answer

D:

Return the affected feature to a documented peer-consistent configuration and disable unsupported synchronization assumptions. VSX synchronizes only supported selected configuration categories; peer devices remain independent control planes with some intentionally distinct settings. The focused rollback restores a known safe baseline before another change attempt. The decision applies to the described vsx synchronization scope situation. For the incident in this item: A distribution VSX pair shows identical VLANs but different supported port settings after a change was made on only one peer.

Incorrect Answers

A:

Reinstate the former working stack-link connections and member addressing before proceeding with a broader stack upgrade. This instead concerns vsf member and conductor status. VSF provides a single logical switch across supported members, which differs from independent VSX peer devices and their ISL. It would not safely roll back the relevant failed change. The immediate problem concerns vsx synchronization scope.

B:

Roll back to the last supported common stack image and isolate the incompatible member until a tested upgrade plan is ready for the affected campus deployment. This instead concerns vsf upgrade and member compatibility. Stacking members must meet platform and software compatibility requirements; forcing an out-of-family member into a stack risks service interruption. It would not safely roll back the relevant failed change. The immediate problem concerns vsx synchronization scope.

C:

Undo the minimum-link or LACP changes to known-good values and recover both members if acceptance traffic fails. This instead concerns lag member failure and redundancy. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. It would not safely roll back the relevant failed change. The immediate problem concerns vsx synchronization scope.

Question 129

A campus switch stack drops a member after its VSF link cable was replaced, leaving several access ports unavailable. Which investigation would best isolate the immediate network dependency?

  1. Inspect supported member models, firmware compatibility and the stack version or image state for each member.
  2. Inspect LAG minimum-member requirements, surviving member forwarding state and peer aggregation configuration.
  3. Inspect the chosen default-gateway redundancy mechanism, virtual address ownership and routing or peer failure state.
  4. Inspect VSF member IDs, conductor or standby state and dedicated stacking-link port health.

Explanation

Correct Answer

D:

Inspect VSF member IDs, conductor or standby state and dedicated stacking-link port health. VSF provides a single logical switch across supported members, which differs from independent VSX peer devices and their ISL. The evidence check isolates the relevant prerequisite before a disruptive change. The decision applies to the described vsf member and conductor status situation.

Incorrect Answers

A:

Inspect supported member models, firmware compatibility and the stack version or image state for each member. This instead concerns vsf upgrade and member compatibility. Stacking members must meet platform and software compatibility requirements; forcing an out-of-family member into a stack risks service interruption. It does not isolate the cause of the stated incident. The immediate problem concerns vsf member and conductor status.

B:

Inspect LAG minimum-member requirements, surviving member forwarding state and peer aggregation configuration. This instead concerns lag member failure and redundancy. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. It does not isolate the cause of the stated incident. The immediate problem concerns vsf member and conductor status.

C:

Inspect the chosen default-gateway redundancy mechanism, virtual address ownership and routing or peer failure state. This instead concerns resilient gateway versus routing adjacency. Physical path redundancy does not automatically provide default-gateway availability; the applicable first-hop design must preserve an authorized gateway identity. It does not isolate the cause of the stated incident. The immediate problem concerns vsf member and conductor status.

Question 130

A campus switch stack drops a member after its VSF link cable was replaced, leaving several access ports unavailable. Which specific corrective design step best meets the stated campus requirement?

  1. Bring the replacement member to the approved compatible software and stacking configuration before joining the production VSF.
  2. Correct supported LAG resilience thresholds and ensure both physical links are eligible active members before relying on failover.
  3. Repair compatible VSF member identities and stacking links using the device family supported procedure.
  4. Deploy an approved compatible first-hop or active-gateway mechanism appropriate to the actual switch pair and topology.

Explanation

Correct Answer

C:

Repair compatible VSF member identities and stacking links using the device family supported procedure. VSF provides a single logical switch across supported members, which differs from independent VSX peer devices and their ISL. The proposed configuration targets the stated dependency without broadening unrelated access. The decision applies to the described vsf member and conductor status situation.

Incorrect Answers

A:

Bring the replacement member to the approved compatible software and stacking configuration before joining the production VSF. This instead concerns vsf upgrade and member compatibility. Stacking members must meet platform and software compatibility requirements; forcing an out-of-family member into a stack risks service interruption. It would not implement the specifically required change. The immediate problem concerns vsf member and conductor status.

B:

Correct supported LAG resilience thresholds and ensure both physical links are eligible active members before relying on failover. This instead concerns lag member failure and redundancy. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. It would not implement the specifically required change. The immediate problem concerns vsf member and conductor status.

D:

Deploy an approved compatible first-hop or active-gateway mechanism appropriate to the actual switch pair and topology. This instead concerns resilient gateway versus routing adjacency. Physical path redundancy does not automatically provide default-gateway availability; the applicable first-hop design must preserve an authorized gateway identity. It would not implement the specifically required change. The immediate problem concerns vsf member and conductor status.

HPE Network Campus Access Professional (HPE7-A01) Practice Tests