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HP HPE7-A01 Practice Test 16

Question 150

An aggregation LAG has two ports yet an active member failure interrupts all voice traffic instead of maintaining one surviving link. After the root cause is confirmed, which narrowly scoped configuration action should be selected?

  1. Repair supported LAG resilience thresholds and ensure both physical links are eligible active members before relying on failover.
  2. Roll out an approved compatible first-hop or active-gateway mechanism appropriate to the actual switch pair and topology.
  3. Correct the supported VSX ISL LAG and peer configuration while keeping the redundant topology and consistency requirements intact.
  4. Reinstate a supported independent peer keepalive path with correct routing without using the ISL as its sole failure domain.

Explanation

Correct Answer

A:

Repair supported LAG resilience thresholds and ensure both physical links are eligible active members before relying on failover. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. The proposed configuration targets the stated dependency without broadening unrelated access. The decision applies to the described lag member failure and redundancy situation.

Incorrect Answers

B:

Roll out 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 lag member failure and redundancy.

C:

Correct the supported VSX ISL LAG and peer configuration while keeping the redundant topology and consistency requirements intact. This instead concerns vsx inter-switch link integrity. A VSX deployment requires a healthy inter-switch link for coordinated peer functions; keepalive reachability alone does not replace it. It would not implement the specifically required change. The immediate problem concerns lag member failure and redundancy.

D:

Reinstate a supported independent peer keepalive path with correct routing without using the ISL as its sole failure domain. This instead concerns vsx keepalive versus isl failure. Keepalive and ISL supply complementary VSX control evidence; treating them as the same link obscures failure isolation. It would not implement the specifically required change. The immediate problem concerns lag member failure and redundancy.

Question 151

An aggregation LAG has two ports yet an active member failure interrupts all voice traffic instead of maintaining one surviving link. The review requires TWO complementary actions: one diagnostic check and one controlled configuration remedy. Select TWO actions that together meet those requirements.

  1. Review the chosen default-gateway redundancy mechanism, virtual address ownership and routing or peer failure state.
  2. Review LAG minimum-member requirements, surviving member forwarding state and peer aggregation configuration.
  3. Correct the supported VSX ISL LAG and peer configuration while keeping the redundant topology and consistency requirements intact.
  4. Repair supported LAG resilience thresholds and ensure both physical links are eligible active members before relying on failover.

Explanation

Correct Answers

B:

Review LAG minimum-member requirements, surviving member forwarding state and peer aggregation configuration. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. This is the required diagnosis or controlled remedy; the other keyed action supplies the complementary role. The decision applies to the described lag member failure and redundancy situation.

D:

Repair supported LAG resilience thresholds and ensure both physical links are eligible active members before relying on failover. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. This is the required diagnosis or controlled remedy; the other keyed action supplies the complementary role. The decision applies to the described lag member failure and redundancy situation.

Incorrect Answers

A:

Review 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 is not one of the requested paired diagnosis and configuration actions. The immediate problem concerns lag member failure and redundancy.

C:

Correct the supported VSX ISL LAG and peer configuration while keeping the redundant topology and consistency requirements intact. This instead concerns vsx inter-switch link integrity. A VSX deployment requires a healthy inter-switch link for coordinated peer functions; keepalive reachability alone does not replace it. It is not one of the requested paired diagnosis and configuration actions. The immediate problem concerns lag member failure and redundancy.

Question 152

An aggregation LAG has two ports yet an active member failure interrupts all voice traffic instead of maintaining one surviving link. If the revised setting disrupts users, which controlled rollback would be most relevant?

  1. Reinstate the established gateway ownership and route tracking policy while remediating mismatched virtual-gateway state.
  2. Reinstate the previous stable ISL wiring and configuration before changing active-gateway behavior or reopening traffic.
  3. Undo the minimum-link or LACP changes to known-good values and recover both members if acceptance traffic fails.
  4. Restore the previously reachable keepalive interface and route while preserving the working ISL configuration.

Explanation

Correct Answer

C:

Undo the minimum-link or LACP changes to known-good values and recover both members if acceptance traffic fails. A redundant LAG must retain sufficient eligible members to meet its minimum-link policy; two cabled links alone do not assure survivability. The focused rollback restores a known safe baseline before another change attempt. The decision applies to the described lag member failure and redundancy situation.

Incorrect Answers

A:

Reinstate the established gateway ownership and route tracking policy while remediating mismatched virtual-gateway 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 would not safely roll back the relevant failed change. The immediate problem concerns lag member failure and redundancy.

B:

Reinstate the previous stable ISL wiring and configuration before changing active-gateway behavior or reopening traffic. This instead concerns vsx inter-switch link integrity. A VSX deployment requires a healthy inter-switch link for coordinated peer functions; keepalive reachability alone does not replace it. It would not safely roll back the relevant failed change. The immediate problem concerns lag member failure and redundancy.

D:

Restore the previously reachable keepalive interface and route while preserving the working ISL configuration. This instead concerns vsx keepalive versus isl failure. Keepalive and ISL supply complementary VSX control evidence; treating them as the same link obscures failure isolation. It would not safely roll back the relevant failed change. The immediate problem concerns lag member failure and redundancy.

Question 153

A campus design includes two upstream routers but loses its default gateway during one router's reboot because no first-hop redundancy is configured. Which investigation would best isolate the immediate network dependency?

  1. Inspect VSX peer status, inter-switch link aggregation members and the actual ISL forwarding path.
  2. Inspect VSX keepalive source and peer IP reachability separately from the inter-switch link status.
  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

C:

Inspect the chosen default-gateway redundancy mechanism, virtual address ownership and routing or peer failure state. Physical path redundancy does not automatically provide default-gateway availability; the applicable first-hop design must preserve an authorized gateway identity. The evidence check isolates the relevant prerequisite before a disruptive change. The decision applies to the described resilient gateway versus routing adjacency situation.

Incorrect Answers

A:

Inspect VSX peer status, inter-switch link aggregation members and the actual ISL forwarding path. This instead concerns vsx inter-switch link integrity. A VSX deployment requires a healthy inter-switch link for coordinated peer functions; keepalive reachability alone does not replace it. It does not isolate the cause of the stated incident. The immediate problem concerns resilient gateway versus routing adjacency.

B:

Inspect VSX keepalive source and peer IP reachability separately from the inter-switch link status. This instead concerns vsx keepalive versus isl failure. Keepalive and ISL supply complementary VSX control evidence; treating them as the same link obscures failure isolation. It does not isolate the cause of the stated incident. The immediate problem concerns resilient gateway versus routing adjacency.

D:

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 resilient gateway versus routing adjacency.

Question 154

A campus design includes two upstream routers but loses its default gateway during one router's reboot because no first-hop redundancy is configured. Which specific corrective design step best meets the stated campus requirement?

  1. Repair the supported VSX ISL LAG and peer configuration while keeping the redundant topology and consistency requirements intact.
  2. Deploy an approved compatible first-hop or active-gateway mechanism appropriate to the actual switch pair and topology.
  3. Restore a supported independent peer keepalive path with correct routing without using the ISL as its sole failure domain.
  4. Repair compatible VSF member identities and stacking links using the device family supported procedure.

Explanation

Correct Answer

B:

Deploy an approved compatible first-hop or active-gateway mechanism appropriate to the actual switch pair and topology. Physical path redundancy does not automatically provide default-gateway availability; the applicable first-hop design must preserve an authorized gateway identity. The proposed configuration targets the stated dependency without broadening unrelated access. The decision applies to the described resilient gateway versus routing adjacency situation.

Incorrect Answers

A:

Repair the supported VSX ISL LAG and peer configuration while keeping the redundant topology and consistency requirements intact. This instead concerns vsx inter-switch link integrity. A VSX deployment requires a healthy inter-switch link for coordinated peer functions; keepalive reachability alone does not replace it. It would not implement the specifically required change. The immediate problem concerns resilient gateway versus routing adjacency.

C:

Restore a supported independent peer keepalive path with correct routing without using the ISL as its sole failure domain. This instead concerns vsx keepalive versus isl failure. Keepalive and ISL supply complementary VSX control evidence; treating them as the same link obscures failure isolation. It would not implement the specifically required change. The immediate problem concerns resilient gateway versus routing adjacency.

D:

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 resilient gateway versus routing adjacency.

Question 155

A campus design includes two upstream routers but loses its default gateway during one router's reboot because no first-hop redundancy is configured. Following a targeted change, which acceptance test would most directly demonstrate success?

  1. Confirm hosts retain the advertised gateway and approved traffic during a controlled single-router or peer failure.
  2. Confirm the VSX peers and ISL report healthy roles and expected state synchronization under normal load.
  3. Confirm stable keepalive probe results and healthy VSX dual-peer status across a controlled path test.
  4. Confirm all members join the same stack and their uplink or access interfaces reappear under the expected logical system.

Explanation

Correct Answer

A:

Confirm hosts retain the advertised gateway and approved traffic during a controlled single-router or peer failure. Physical path redundancy does not automatically provide default-gateway availability; the applicable first-hop design must preserve an authorized gateway identity. The result tests actual working behavior, not merely a saved configuration. The decision applies to the described resilient gateway versus routing adjacency situation.

Incorrect Answers

B:

Confirm the VSX peers and ISL report healthy roles and expected state synchronization under normal load. This instead concerns vsx inter-switch link integrity. A VSX deployment requires a healthy inter-switch link for coordinated peer functions; keepalive reachability alone does not replace it. It would not establish that this function actually works. The immediate problem concerns resilient gateway versus routing adjacency.

C:

Confirm stable keepalive probe results and healthy VSX dual-peer status across a controlled path test. This instead concerns vsx keepalive versus isl failure. Keepalive and ISL supply complementary VSX control evidence; treating them as the same link obscures failure isolation. It would not establish that this function actually works. The immediate problem concerns resilient gateway versus routing adjacency.

D:

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 resilient gateway versus routing adjacency.

Question 156

A campus design includes two upstream routers but loses its default gateway during one router's reboot because no first-hop redundancy is configured. The change fails acceptance. What is the safest targeted restoration action?

  1. Restore the previous stable ISL wiring and configuration before changing active-gateway behavior or reopening traffic.
  2. Reinstate the previously reachable keepalive interface and route while preserving the working ISL configuration.
  3. Restore the former working stack-link connections and member addressing before proceeding with a broader stack upgrade.
  4. Restore the established gateway ownership and route tracking policy while remediating mismatched virtual-gateway state.

Explanation

Correct Answer

D:

Restore the established gateway ownership and route tracking policy while remediating mismatched virtual-gateway state. Physical path redundancy does not automatically provide default-gateway availability; the applicable first-hop design must preserve an authorized gateway identity. The focused rollback restores a known safe baseline before another change attempt. The decision applies to the described resilient gateway versus routing adjacency situation.

Incorrect Answers

A:

Restore the previous stable ISL wiring and configuration before changing active-gateway behavior or reopening traffic. This instead concerns vsx inter-switch link integrity. A VSX deployment requires a healthy inter-switch link for coordinated peer functions; keepalive reachability alone does not replace it. It would not safely roll back the relevant failed change. The immediate problem concerns resilient gateway versus routing adjacency.

B:

Reinstate the previously reachable keepalive interface and route while preserving the working ISL configuration. This instead concerns vsx keepalive versus isl failure. Keepalive and ISL supply complementary VSX control evidence; treating them as the same link obscures failure isolation. It would not safely roll back the relevant failed change. The immediate problem concerns resilient gateway versus routing adjacency.

C:

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 resilient gateway versus routing adjacency.

Question 157

A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address. Before implementing a remedy, what should the engineer check first?

  1. Inspect VSX peer status, inter-switch link aggregation members and the actual ISL forwarding path.
  2. Inspect VSX keepalive source and peer IP reachability separately from the inter-switch link status.
  3. Review 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

C:

Review the chosen default-gateway redundancy mechanism, virtual address ownership and routing or peer failure state. Physical path redundancy does not automatically provide default-gateway availability; the applicable first-hop design must preserve an authorized gateway identity. The evidence check isolates the relevant prerequisite before a disruptive change. The decision applies to the described resilient gateway versus routing adjacency situation.

Incorrect Answers

A:

Inspect VSX peer status, inter-switch link aggregation members and the actual ISL forwarding path. This instead concerns vsx inter-switch link integrity. A VSX deployment requires a healthy inter-switch link for coordinated peer functions; keepalive reachability alone does not replace it. It does not isolate the cause of the stated incident. The immediate problem concerns resilient gateway versus routing adjacency. For the incident in this item: A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address.

B:

Inspect VSX keepalive source and peer IP reachability separately from the inter-switch link status. This instead concerns vsx keepalive versus isl failure. Keepalive and ISL supply complementary VSX control evidence; treating them as the same link obscures failure isolation. It does not isolate the cause of the stated incident. The immediate problem concerns resilient gateway versus routing adjacency. For the incident in this item: A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address.

D:

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 resilient gateway versus routing adjacency. For the incident in this item: A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address.

Question 158

A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address. The review requires TWO complementary actions: one diagnostic check and one controlled configuration remedy. Select TWO actions that together meet those requirements.

  1. Inspect VSX peer status, inter-switch link aggregation members and the actual ISL forwarding path.
  2. Review the chosen default-gateway redundancy mechanism, virtual address ownership and routing or peer failure state.
  3. Restore a supported independent peer keepalive path with correct routing without using the ISL as its sole failure domain.
  4. Roll out an approved compatible first-hop or active-gateway mechanism appropriate to the actual switch pair and topology.

Explanation

Correct Answers

B:

Review the chosen default-gateway redundancy mechanism, virtual address ownership and routing or peer failure state. Physical path redundancy does not automatically provide default-gateway availability; the applicable first-hop design must preserve an authorized gateway identity. This is the required diagnosis or controlled remedy; the other keyed action supplies the complementary role. The decision applies to the described resilient gateway versus routing adjacency situation.

D:

Roll out an approved compatible first-hop or active-gateway mechanism appropriate to the actual switch pair and topology. Physical path redundancy does not automatically provide default-gateway availability; the applicable first-hop design must preserve an authorized gateway identity. This is the required diagnosis or controlled remedy; the other keyed action supplies the complementary role. The decision applies to the described resilient gateway versus routing adjacency situation.

Incorrect Answers

A:

Inspect VSX peer status, inter-switch link aggregation members and the actual ISL forwarding path. This instead concerns vsx inter-switch link integrity. A VSX deployment requires a healthy inter-switch link for coordinated peer functions; keepalive reachability alone does not replace it. It is not one of the requested paired diagnosis and configuration actions. The immediate problem concerns resilient gateway versus routing adjacency.

C:

Restore a supported independent peer keepalive path with correct routing without using the ISL as its sole failure domain. This instead concerns vsx keepalive versus isl failure. Keepalive and ISL supply complementary VSX control evidence; treating them as the same link obscures failure isolation. It is not one of the requested paired diagnosis and configuration actions. The immediate problem concerns resilient gateway versus routing adjacency.

Question 159

A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address. A deployment job reports success. Which observed result would actually validate the affected service?

  1. Verify hosts retain the advertised gateway and approved traffic during a controlled single-router or peer failure.
  2. Confirm the VSX peers and ISL report healthy roles and expected state synchronization under normal load.
  3. Confirm stable keepalive probe results and healthy VSX dual-peer status across a controlled path test.
  4. Confirm all members join the same stack and their uplink or access interfaces reappear under the expected logical system.

Explanation

Correct Answer

A:

Verify hosts retain the advertised gateway and approved traffic during a controlled single-router or peer failure. Physical path redundancy does not automatically provide default-gateway availability; the applicable first-hop design must preserve an authorized gateway identity. The result tests actual working behavior, not merely a saved configuration. The decision applies to the described resilient gateway versus routing adjacency situation.

Incorrect Answers

B:

Confirm the VSX peers and ISL report healthy roles and expected state synchronization under normal load. This instead concerns vsx inter-switch link integrity. A VSX deployment requires a healthy inter-switch link for coordinated peer functions; keepalive reachability alone does not replace it. It would not establish that this function actually works. The immediate problem concerns resilient gateway versus routing adjacency. For the incident in this item: A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address.

C:

Confirm stable keepalive probe results and healthy VSX dual-peer status across a controlled path test. This instead concerns vsx keepalive versus isl failure. Keepalive and ISL supply complementary VSX control evidence; treating them as the same link obscures failure isolation. It would not establish that this function actually works. The immediate problem concerns resilient gateway versus routing adjacency. For the incident in this item: A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address.

D:

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 resilient gateway versus routing adjacency. For the incident in this item: A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address.

Question 160

A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address. If the revised setting disrupts users, which controlled rollback would be most relevant?

  1. Restore the previous stable ISL wiring and configuration before changing active-gateway behavior or reopening traffic.
  2. Reinstate the previously reachable keepalive interface and route while preserving the working ISL configuration.
  3. Restore the former working stack-link connections and member addressing before proceeding with a broader stack upgrade.
  4. Reinstate the established gateway ownership and route tracking policy while remediating mismatched virtual-gateway state.

Explanation

Correct Answer

D:

Reinstate the established gateway ownership and route tracking policy while remediating mismatched virtual-gateway state. Physical path redundancy does not automatically provide default-gateway availability; the applicable first-hop design must preserve an authorized gateway identity. The focused rollback restores a known safe baseline before another change attempt. The decision applies to the described resilient gateway versus routing adjacency situation.

Incorrect Answers

A:

Restore the previous stable ISL wiring and configuration before changing active-gateway behavior or reopening traffic. This instead concerns vsx inter-switch link integrity. A VSX deployment requires a healthy inter-switch link for coordinated peer functions; keepalive reachability alone does not replace it. It would not safely roll back the relevant failed change. The immediate problem concerns resilient gateway versus routing adjacency. For the incident in this item: A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address.

B:

Reinstate the previously reachable keepalive interface and route while preserving the working ISL configuration. This instead concerns vsx keepalive versus isl failure. Keepalive and ISL supply complementary VSX control evidence; treating them as the same link obscures failure isolation. It would not safely roll back the relevant failed change. The immediate problem concerns resilient gateway versus routing adjacency. For the incident in this item: A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address.

C:

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 resilient gateway versus routing adjacency. For the incident in this item: A new branch distribution pair provides redundant physical links but its endpoint subnet has only one operative gateway address.

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