HP HPE7-A01 Practice Test 14

Question 130

A network team reports the following condition: An IPsec overlay needs OSPF routes across a routed tunnel. Select the most appropriate response.

Verify IPv6 default route and next-hop neighbor discovery.
Enable compatible OSPF participation on the proper L3 interfaces.
Correct the neighbor remote AS and intended eBGP/iBGP relationship.
Apply outbound prefix filtering and verify route policy direction.

Explanation

Correct Answer

VPN tunnel establishment does not itself form a routing adjacency. The engineer should enable compatible OSPF participation on the proper L3 interfaces.

Incorrect Answers

Link-local reachability does not guarantee routed IPv6 connectivity. It is not a direct remedy for the condition described.

BGP OPEN negotiation checks peer AS compatibility. It is not a direct remedy for the condition described.

Outbound routing policies control which local routes are advertised. It is not a direct remedy for the condition described.

Question 131

After completing the planned work for this situation—a two-node redundant core is planned with only one physical uplink per node—how should success be checked?

Map failure domains and test representative single-component outages.
Review ISL operational state and VSX consistency messages.
Capture VRRP advertisements and compare current master state.
Compare SVI and active-gateway configuration on both switches.

Explanation

Correct Answer

Device redundancy is ineffective when both paths depend on one shared failed component. Map failure domains and test representative single-component outages directly tests the desired behavior.

Incorrect Answers

The VSX inter-switch link carries peer coordination and state traffic. That observation tests a different condition, not the required result.

Virtual-router election depends on priority and exchanged advertisements. That observation tests a different condition, not the required result.

Active-gateway settings must be consistent across VSX peers. That observation tests a different condition, not the required result.

Question 132

An engineer is planning corrective work because a client has an IP address but fails to open internal FQDNs. Which step should be prioritized?

Perform a time-correlated non-Wi-Fi interference survey.
Use spectrum analysis to identify non-Wi-Fi interferers.
Review WLAN multicast delivery mode and airtime cost.
Verify client DNS option, resolver reachability and suffix.

Explanation

Correct Answer

DNS failure can appear as WLAN failure despite correct radio and IP connectivity. The engineer should verify client DNS option, resolver reachability and suffix.

Incorrect Answers

An intermittent interferer can explain periodic retries without any configuration change. It is not a direct remedy for the condition described.

Microwave, Bluetooth and industrial emitters can raise noise without being an 802.11 AP. It is not a direct remedy for the condition described.

Wireless multicast can use rates and buffering unlike wired unicast. It is not a direct remedy for the condition described.

Question 133

After completing the planned work for this situation—a preferred BGP path loses to another after policy change—how should success be checked?

Inspect IPv6 route table and NDP resolution for next hop.
Inspect path attributes and selected best path for one prefix.
Test a planned restart and observe stale route lifecycle.
Inspect RIB/FIB and reason for next-hop exclusion.

Explanation

Correct Answer

BGP attributes determine preference beyond ordinary hop count. Inspect path attributes and selected best path for one prefix directly tests the desired behavior.

Incorrect Answers

Link-local reachability does not guarantee routed IPv6 connectivity. That observation tests a different condition, not the required result.

Graceful restart may preserve forwarding while control-plane updates recover. That observation tests a different condition, not the required result.

Multiple configured next hops do not guarantee equal-cost installation. That observation tests a different condition, not the required result.

Question 134

An engineer is planning corrective work because oSPF peers stop at ExStart after an MTU change. Which step should be prioritized?

Ensure area border routing is planned and configured correctly.
Make user-facing OSPF interfaces passive while advertising the prefix.
Configure supported ECMP behavior and equal metrics for eligible paths.
Correct incompatible interface MTU or documented OSPF handling.

Explanation

Correct Answer

Database description exchange can fail when MTU expectations differ. The engineer should correct incompatible interface MTU or documented OSPF handling.

Incorrect Answers

An ABR connects area 0 with additional OSPF areas. It is not a direct remedy for the condition described.

Passive OSPF suppresses adjacency exchange on the selected interface. It is not a direct remedy for the condition described.

Equal-cost eligible next hops can be installed for load distribution. It is not a direct remedy for the condition described.

Question 135

A network team reports the following condition: An 802.11ax deployment has many neighboring same-channel BSS cells. Select the most appropriate response.

Verify DFS channel move and new channel availability.
Evaluate BSS coloring together with interference and power policy.
Use WPA3-SAE with compatible client support.
Inspect SSID-to-VLAN mapping and downstream trunk availability.

Explanation

Correct Answer

BSS coloring can help distinguish overlapping transmissions under supported spatial reuse. The engineer should evaluate BSS coloring together with interference and power policy.

Incorrect Answers

DFS regulations require compliant devices to vacate channels after radar detection. It is not a direct remedy for the condition described.

SAE provides password-based authenticated key exchange without legacy WPA2-PSK semantics. It is not a direct remedy for the condition described.

Client IP assignment follows the effective user VLAN and DHCP scope. It is not a direct remedy for the condition described.

Question 136

After completing the planned work for this situation—an AP serves mixed older and newer clients on crowded 2.4 GHz—how should success be checked?

Check negotiated TWT support and device wake intervals.
Observe client capability and uplink channel utilization during small-packet traffic.
Compare association band, noise and retry rates for affected clients.
Attempt an authorized negative test and verify PMF negotiation.

Explanation

Correct Answer

The 5 GHz band offers more usable channel choices and often less 2.4 GHz interference. Compare association band, noise and retry rates for affected clients directly tests the desired behavior.

Incorrect Answers

TWT coordinates scheduled wake/sleep periods to reduce contention and energy use. That observation tests a different condition, not the required result.

OFDMA divides airtime into resource units for efficient multi-user scheduling. That observation tests a different condition, not the required result.

PMF protects specific robust management frames from unauthenticated spoofing. That observation tests a different condition, not the required result.

Question 137

An engineer is planning corrective work because a newly deployed switch runs a firmware version inconsistent with the group policy. Which step should be prioritized?

Install a suitable NAE script and configure an agent.
Schedule a supported firmware update and compare compatibility.
Correct site assignments without assuming the configuration group is a site.
Tune threshold/timing while preserving raw telemetry.

Explanation

Correct Answer

Version management requires appropriate platform images and maintenance windows. The engineer should schedule a supported firmware update and compare compatibility.

Incorrect Answers

Network Analytics Engine agents can monitor specified switch conditions. It is not a direct remedy for the condition described.

Groups primarily determine configuration; sites support physical/location reporting. It is not a direct remedy for the condition described.

Alert policy can be refined without losing underlying monitoring data. It is not a direct remedy for the condition described.

Question 138

Following a campus change for this issue—a switch should block unknown endpoint VLAN hopping—which result most directly verifies that the remedy works?

Disable one user account and confirm other users remain authorized.
Attempt traffic from an unexpected VLAN and inspect frame classification.
Review supplicant certificate alerts and successful authentication after renewal.
Generate an authorized test login failure and confirm its log record.

Explanation

Correct Answer

Incorrect allowed/native VLAN settings weaken L2 segmentation. Attempt traffic from an unexpected VLAN and inspect frame classification directly tests the desired behavior.

Incorrect Answers

Central identity policy allows per-user accountability and revocation. That observation tests a different condition, not the required result.

EAP validation rejects expired or untrusted authentication servers. That observation tests a different condition, not the required result.

Audit evidence is necessary even when alert thresholds create noise. That observation tests a different condition, not the required result.

Question 139

For an HPE Aruba Networking campus deployment, an OSPF neighbor remains Down on an otherwise connected link. Which action best addresses it?

Set appropriate OSPF interface priority where supported.
Verify OSPF activation, area and Layer 3 adjacency parameters.
Apply redistribution with explicit route maps or permitted prefixes.
Align interface hello/dead timers between peers.

Explanation

Correct Answer

OSPF peers require compatible interface participation and topology. The engineer should verify OSPF activation, area and Layer 3 adjacency parameters.

Incorrect Answers

DR election considers priority before router-ID tiebreaking. It is not a direct remedy for the condition described.

Unfiltered redistribution can advertise unintended internal routes. It is not a direct remedy for the condition described.

Neighbor timer compatibility matters for OSPF adjacency formation. It is not a direct remedy for the condition described.

Question 140

During campus implementation, a campus WLAN requires certificate-backed client authentication. What should the engineer configure or correct?

Use EAP-TLS with a trusted RADIUS certificate chain.
Apply dedicated management segmentation and source filtering.
Apply quarantine/deny role based on verified endpoint status.
Separate guest access with appropriate portal/role policy.

Explanation

Correct Answer

EAP-TLS authenticates endpoints using public-key certificates. The engineer should use EAP-TLS with a trusted RADIUS certificate chain.

Incorrect Answers

Controller/AP administration must be protected from public client VLANs. It is not a direct remedy for the condition described.

Enforcement should follow authenticated context rather than an unverified MAC alone. It is not a direct remedy for the condition described.

Guest credentials should not bypass corporate identity policy. It is not a direct remedy for the condition described.

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Question 130

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Question 131

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Question 132

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Question 133

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Question 134

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Question 135

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Question 136

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Question 137

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Question 138

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Question 139

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Question 140

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