HP HPE7-A01 Practice Test 44

Question 430

A network team reports the following condition: A trunk carries several departments over one physical Ethernet connection. Select the most appropriate response.

Trace EAPOL between client and switch and RADIUS between switch and server.
Check 802.11 authentication and association management frames before DHCP.
Investigate errors, drops and congestion rather than expecting Ethernet CSMA/CD collisions.
Use 802.1Q VLAN tags to preserve the correct broadcast domains.

Explanation

Correct Answer

VLAN tags identify individual logical Layer 2 networks on a shared trunk. The engineer should use 802.1Q VLAN tags to preserve the correct broadcast domains.

Incorrect Answers

EAPOL is used at the endpoint edge while the authenticator relays authentication over RADIUS. It is not a direct remedy for the condition described.

Wi-Fi management frames establish the radio connection before IP-layer onboarding. It is not a direct remedy for the condition described.

Modern switched full-duplex Ethernet does not use half-duplex collision detection. It is not a direct remedy for the condition described.

Question 431

An engineer is planning corrective work because an interface has IPv6 connectivity but no proper router advertisement for hosts. Which step should be prioritized?

Check platform ECMP settings and route eligibility.
Configure appropriate IPv6 RA behavior on the routed SVI.
Use a suitable policy-based routing rule rather than changing all global routes.
Choose the intended preferred route distance for failover policy.

Explanation

Correct Answer

Router advertisements communicate default-router and prefix information. The engineer should configure appropriate IPv6 RA behavior on the routed SVI.

Incorrect Answers

Multiple configured next hops do not guarantee equal-cost installation. It is not a direct remedy for the condition described.

PBR can select forwarding based on match criteria beyond destination route. It is not a direct remedy for the condition described.

Lower administrative distance normally wins among comparable route sources. It is not a direct remedy for the condition described.

Question 432

The engineer reports completing this change: Use the platform's supported management interface/VRF. Which verification should be included in the handover?

Compare group tables and egress multicast counters by VLAN.
Follow RADIUS result, effective role and forwarding MAC table over time.
Follow VLAN membership from phone access port to its routed SVI.
Send management-sourced ping through the intended management VRF.

Explanation

Correct Answer

Dedicated management routing avoids mixing administration with production forwarding. Send management-sourced ping through the intended management VRF directly tests the desired behavior.

Incorrect Answers

Multicast membership and Layer 2 membership are both VLAN-specific. That observation tests a different condition, not the required result.

Dynamic access policy can change VLAN/role while a client reconnects. That observation tests a different condition, not the required result.

VLAN admission must exist on every necessary trunk in the path. That observation tests a different condition, not the required result.

Question 433

An engineer is planning corrective work because an AP sees many overlapping cells on the same 5 GHz channel. Which step should be prioritized?

Review channel reuse and power plan using a measured survey.
Evaluate latency, loss, jitter and airtime rather than throughput alone.
Measure end-to-end bottleneck, TCP window and path loss rather than only switch port speed.
Optimize multicast delivery and eligible wireless rates.

Explanation

Correct Answer

Co-channel interference causes shared airtime contention. The engineer should review channel reuse and power plan using a measured survey.

Incorrect Answers

Application quality depends on timing and reliability as well as bandwidth. It is not a direct remedy for the condition described.

Wide-area throughput is constrained by latency, loss and congestion. It is not a direct remedy for the condition described.

Multicast transmissions can consume disproportionate shared airtime. It is not a direct remedy for the condition described.

Question 434

A network team reports the following condition: A trunk native VLAN differs between neighboring switches. Select the most appropriate response.

Keep one LACP side active and the peer interoperable.
Configure storm-control thresholds and loop prevention as appropriate.
Align the native VLAN treatment and tagging configuration.
Configure an appropriate routed SVI and necessary forwarding policy.

Explanation

Correct Answer

Native VLAN mismatch can misclassify untagged traffic. The engineer should align the native VLAN treatment and tagging configuration.

Incorrect Answers

Active mode initiates LACP negotiations that passive mode answers. It is not a direct remedy for the condition described.

Storm control limits excess broadcast or multicast traffic while loops are fixed. It is not a direct remedy for the condition described.

VLAN creation alone provides Layer 2 membership, not inter-VLAN routing. It is not a direct remedy for the condition described.

Question 435

For an HPE Aruba Networking campus deployment, clients associate to the WLAN but receive no IPv4 address. Which action best addresses it?

Check TCP port 179, source address and remote AS settings.
Check VLAN admission, native/tagged expectation and VLAN existence.
Trace DHCP and assigned VLAN before RF optimization.
Correlate logs, topology changes and historical telemetry around the failure time.

Explanation

Correct Answer

Association and authentication are separate from address assignment. The engineer should trace DHCP and assigned VLAN before RF optimization.

Incorrect Answers

IP reachability alone does not establish BGP session negotiation. It is not a direct remedy for the condition described.

A trunk can pass some VLANs while filtering another. It is not a direct remedy for the condition described.

End-state snapshots may miss transient faults. It is not a direct remedy for the condition described.

Question 436

For an HPE Aruba Networking campus deployment, a UXI sensor reports poor cloud SaaS health but Wi-Fi RSSI looks good. Which action best addresses it?

Correlate UXI end-to-end tests with DNS, WAN and RF state.
Use synchronized time, logs and interface telemetry.
Check the platform's sFlow/port-mirror compatibility requirements.
Review the configuration audit and reconcile the intended group settings.

Explanation

Correct Answer

Good RSSI does not prove application-path quality. The engineer should correlate UXI end-to-end tests with DNS, WAN and RF state.

Incorrect Answers

Cross-device troubleshooting depends on aligned timestamps and measurements. It is not a direct remedy for the condition described.

Some platform/release combinations limit simultaneous capture features. It is not a direct remedy for the condition described.

Configuration intent and installed running state must be compared. It is not a direct remedy for the condition described.

Question 437

A technician has applied this fix: Revisit 802.11 channel reuse and neighboring co-channel cell placement. Which observation would provide the strongest acceptance evidence?

Use a site survey to compare co-channel overlap and airtime busy percentages.
Capture both EAPOL and RADIUS traffic on the appropriate interfaces.
Inspect interface duplex and error counters while loading the link.
Compare observed beacon intervals and channel airtime usage.

Explanation

Correct Answer

Same-channel cells share contention opportunities even when SSIDs are identical. Use a site survey to compare co-channel overlap and airtime busy percentages directly tests the desired behavior.

Incorrect Answers

EAPOL is used at the endpoint edge while the authenticator relays authentication over RADIUS. That observation tests a different condition, not the required result.

Modern switched full-duplex Ethernet does not use half-duplex collision detection. That observation tests a different condition, not the required result.

Beacons and management frames consume radio airtime independently of application payload. That observation tests a different condition, not the required result.

Question 438

After completing the planned work for this situation—two copper uplinks were placed in one LAG but traffic uses only one member—how should success be checked?

Inspect transceiver diagnostics and both ends' interface state.
Compare system clock, synchronization status and NTP reachability.
Inspect LACP partner state and each member's forwarding role.
Check allowed VLANs and the operational VLAN table at both ends.

Explanation

Correct Answer

A LAG requires compatible peer negotiation and member parameters. Inspect LACP partner state and each member's forwarding role directly tests the desired behavior.

Incorrect Answers

Physical link-up requires matching media and supported transceiver properties. That observation tests a different condition, not the required result.

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

Trunk VLAN filtering can silently drop an otherwise correctly tagged subnet. That observation tests a different condition, not the required result.

Question 439

After completing the planned work for this situation—a backup WAN uplink is physically up but is not part of the intended routed path—how should success be checked?

Verify device inventory status, DNS reachability and connection diagnostics.
Capture the first management exchange and inspect uplink VLAN settings.
Compare intended group assignment with the applied configuration audit.
Examine route lookup and path traces with primary connectivity disabled safely.

Explanation

Correct Answer

Physical carrier state is distinct from an installed usable route. Examine route lookup and path traces with primary connectivity disabled safely directly tests the desired behavior.

Incorrect Answers

Cloud onboarding requires identity, entitlement and network communication, not only an IP address. That observation tests a different condition, not the required result.

AP management requires consistent tagged versus untagged treatment. That observation tests a different condition, not the required result.

A management group determines the policy and configuration applied to its devices. That observation tests a different condition, not the required result.

Question 440

For an HPE Aruba Networking campus deployment, a high-density AP deployment has good coverage but too many simultaneous clients on one radio. Which action best addresses it?

Consider supported Target Wake Time operation for capable clients.
Validate supported AP uplink failover and matching VLAN availability on the alternate port.
Reassign nonoverlapping channels using a surveyed reuse plan.
Rebalance clients across eligible APs and assess airtime fairness.

Explanation

Correct Answer

Capacity is constrained by shared airtime, not simply signal strength. The engineer should rebalance clients across eligible APs and assess airtime fairness.

Incorrect Answers

TWT coordinates scheduled wake/sleep periods to reduce contention and energy use. It is not a direct remedy for the condition described.

AP resiliency requires compatible management and user VLAN reachability after switching links. It is not a direct remedy for the condition described.

Overlapping 2.4 GHz cells contend and interfere on shared channels. It is not a direct remedy for the condition described.

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Question 430

Explanation

Correct Answer

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Question 431

Explanation

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Question 432

Explanation

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Question 433

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Question 434

Explanation

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Question 435

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Question 436

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Question 437

Explanation

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Question 438

Explanation

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Question 439

Explanation

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Question 440

Explanation

Correct Answer

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