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HPE7-A01 Premium File: 161 Questions & Answers

Last Update: Nov 07, 2026

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HP HPE7-A01 Practice Test 40

Question 390

The engineer reports completing this change: Provide a supported voice VLAN and separate data-network authorization. Which verification should be included in the handover?

  1. Check LLDP-MED voice information and both endpoints' effective VLANs.
  2. Compare system clock, synchronization status and NTP reachability.
  3. Capture DHCP DISCOVER/OFFER and validate access-to-uplink VLAN continuity.
  4. Resolve a known management FQDN from the device's management network.

Explanation

Correct Answer

A:

Voice and data traffic can share a port while retaining distinct VLAN and policy treatment. Check LLDP-MED voice information and both endpoints' effective VLANs directly tests the desired behavior.

Incorrect Answers

B:

Accurate time is needed for logging and certificate validation. That observation tests a different condition, not the required result.

C:

Power-up and Layer 2 association alone do not ensure IP address assignment. That observation tests a different condition, not the required result.

D:

Control-plane enrollment can fail when hostnames cannot resolve correctly. That observation tests a different condition, not the required result.

Question 391

A network team reports the following condition: An SSID is configured but not broadcast by the intended building APs. Select the most appropriate response.

  1. Check EAP server certificate trust and client supplicant validation.
  2. Evaluate supported 802.11r fast-transition configuration and client compatibility.
  3. Trace DHCP handshake separately from radio authentication.
  4. Check WLAN group/AP assignment and radio/SSID enablement.

Explanation

Correct Answer

D:

Defining an SSID centrally does not prove each AP advertises it. The engineer should check WLAN group/AP assignment and radio/SSID enablement.

Incorrect Answers

A:

Enterprise Wi-Fi authentication depends on valid identity and trusted RADIUS certificates. It is not a direct remedy for the condition described.

B:

Fast transition can reduce reassociation authentication overhead. It is not a direct remedy for the condition described.

C:

Successful association does not guarantee an IPv4 address. It is not a direct remedy for the condition described.

Question 392

Following a campus change for this issue—an application works in a lab but performs poorly across a busy WAN—which result most directly verifies that the remedy works?

  1. Compare RTT, retransmissions and goodput on the live path.
  2. Measure noise floor during machinery operation and after mitigation.
  3. Compare per-class airtime occupancy and application quality.
  4. Send a test packet with false priority and inspect egress marking.

Explanation

Correct Answer

A:

Wide-area throughput is constrained by latency, loss and congestion. Compare RTT, retransmissions and goodput on the live path directly tests the desired behavior.

Incorrect Answers

B:

SNR combines received signal strength with background noise. That observation tests a different condition, not the required result.

C:

Equal byte throughput is not the same as equal shared radio airtime. That observation tests a different condition, not the required result.

D:

QoS trust should be granted to known sources, not arbitrary clients. That observation tests a different condition, not the required result.

Question 393

An engineer is planning corrective work because an 802.1X SSID repeatedly rejects users after certificate renewal. Which step should be prioritized?

  1. Evaluate supported ClientMatch/steering and client signal thresholds.
  2. Verify neighbor assistance and actual roam trigger/timing.
  3. Check EAP server certificate trust and client supplicant validation.
  4. Measure SNR, interference and channel busy time.

Explanation

Correct Answer

C:

Enterprise Wi-Fi authentication depends on valid identity and trusted RADIUS certificates. The engineer should check EAP server certificate trust and client supplicant validation.

Incorrect Answers

A:

Client-steering features encourage better associations but cannot override all client behavior. It is not a direct remedy for the condition described.

B:

802.11k/v can aid roaming decisions but client behavior still matters. It is not a direct remedy for the condition described.

D:

RSSI alone cannot identify noise or contention-driven retries. It is not a direct remedy for the condition described.

Question 394

The engineer reports completing this change: Check EAP server certificate trust and client supplicant validation. Which verification should be included in the handover?

  1. Capture roam event timestamps and neighbor reports.
  2. Correlate retry rate with noise floor and other transmitters.
  3. Compare candidate AP signal and steering event logs.
  4. Inspect EAP exchange and the certificate rejection reason.

Explanation

Correct Answer

D:

Enterprise Wi-Fi authentication depends on valid identity and trusted RADIUS certificates. Inspect EAP exchange and the certificate rejection reason directly tests the desired behavior.

Incorrect Answers

A:

802.11k/v can aid roaming decisions but client behavior still matters. That observation tests a different condition, not the required result.

B:

RSSI alone cannot identify noise or contention-driven retries. That observation tests a different condition, not the required result.

C:

Client-steering features encourage better associations but cannot override all client behavior. That observation tests a different condition, not the required result.

Question 395

An engineer is planning corrective work because a campus segment should receive one authorized DHCPv6 server's offers. Which step should be prioritized?

  1. Investigate egress congestion and queue utilization.
  2. Ensure a reachable IGMP querier exists in that VLAN.
  3. Apply appropriate DHCPv6 guard/inspection on the switching edge.
  4. Trace trust boundaries and DSCP-to-queue mappings.

Explanation

Correct Answer

C:

DHCPv6 protection prevents unapproved address services from client ports. The engineer should apply appropriate DHCPv6 guard/inspection on the switching edge.

Incorrect Answers

A:

Output drops can arise from queue pressure even without physical corruption. It is not a direct remedy for the condition described.

B:

IGMP group maintenance requires periodic membership queries. It is not a direct remedy for the condition described.

D:

Marking must remain trusted through every intended QoS enforcement point. It is not a direct remedy for the condition described.

Question 396

During campus implementation, an AP management plane should not be reachable from the guest network. What should the engineer configure or correct?

  1. Apply dedicated management segmentation and source filtering.
  2. Apply a bounded critical-access policy rather than default full access.
  3. Enable authorized rogue/neighbor AP monitoring and validate classifications.
  4. Enable 802.1X with authorized RADIUS and an appropriate fallback policy.

Explanation

Correct Answer

A:

Controller/AP administration must be protected from public client VLANs. The engineer should apply dedicated management segmentation and source filtering.

Incorrect Answers

B:

Authentication outages need controlled failover permissions. It is not a direct remedy for the condition described.

C:

Wireless intrusion monitoring distinguishes trusted infrastructure from unknown transmitters. It is not a direct remedy for the condition described.

D:

Port access control restricts network membership to authenticated endpoints. It is not a direct remedy for the condition described.

Question 397

The engineer reports completing this change: Verify client DNS option, resolver reachability and suffix. Which verification should be included in the handover?

  1. Match spectrum captures with the machine's operating cycle.
  2. Measure multicast loss and occupied airtime under representative load.
  3. Compare spectrum occupancy with AP channel utilization.
  4. Compare IP-literal connectivity with hostname resolution.

Explanation

Correct Answer

D:

DNS failure can appear as WLAN failure despite correct radio and IP connectivity. Compare IP-literal connectivity with hostname resolution directly tests the desired behavior.

Incorrect Answers

A:

An intermittent interferer can explain periodic retries without any configuration change. That observation tests a different condition, not the required result.

B:

Wireless multicast can use rates and buffering unlike wired unicast. That observation tests a different condition, not the required result.

C:

Microwave, Bluetooth and industrial emitters can raise noise without being an 802.11 AP. That observation tests a different condition, not the required result.

Question 398

A network team reports the following condition: An AOS-CX switch has periodic CPU spikes that require a local correlation trigger. Select the most appropriate response.

  1. Install a suitable NAE script and configure an agent.
  2. Correlate UXI end-to-end tests with DNS, WAN and RF state.
  3. Use supported port mirroring to a capture destination.
  4. Use the documented authenticated REST API and appropriate role.

Explanation

Correct Answer

A:

Network Analytics Engine agents can monitor specified switch conditions. The engineer should install a suitable NAE script and configure an agent.

Incorrect Answers

B:

Good RSSI does not prove application-path quality. It is not a direct remedy for the condition described.

C:

Mirroring copies selected interface traffic for protocol analysis. It is not a direct remedy for the condition described.

D:

APIs allow programmatic access while permissions control scope. It is not a direct remedy for the condition described.

Question 399

Following a campus change for this issue—an access switch must not become the root bridge in a distribution campus—which result most directly verifies that the remedy works?

  1. Capture IGMP queries and monitor group expiration.
  2. Connect an unregistered test device and inspect the violation action.
  3. Compare MSTP digest and instance-to-VLAN tables on both switches.
  4. Verify root bridge ID and root port selections across the VLAN instances.

Explanation

Correct Answer

D:

Spanning-tree root selection must reflect the planned campus topology. Verify root bridge ID and root port selections across the VLAN instances directly tests the desired behavior.

Incorrect Answers

A:

IGMP group maintenance requires periodic membership queries. That observation tests a different condition, not the required result.

B:

Port security restricts which endpoint MAC addresses can use the link. That observation tests a different condition, not the required result.

C:

MSTP region agreement is required for consistent internal topology calculation. That observation tests a different condition, not the required result.

Question 400

A network team reports the following condition: A redundant AP uplink needs continuity when its preferred path fails. Select the most appropriate response.

  1. Apply matching active-gateway settings on both supported SVIs.
  2. Use an AP/switch design with supported wired failover and consistent VLAN policy.
  3. Validate the supported local forwarding behavior of the deployed solution.
  4. Use supported BFD where it is interoperable with the routing protocol.

Explanation

Correct Answer

B:

Failover paths must preserve required management and client VLAN reachability. The engineer should use an AP/switch design with supported wired failover and consistent VLAN policy.

Incorrect Answers

A:

Active-gateway settings must be consistent across VSX peers. It is not a direct remedy for the condition described.

C:

Management-plane loss should be evaluated separately from the user forwarding path. It is not a direct remedy for the condition described.

D:

BFD provides fast liveliness information separate from normal route timers. It is not a direct remedy for the condition described.


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