HP HPE7-A01 Practice Test 28

Question 270

A network team reports the following condition: A field technician needs to discover what is connected to each access-switch port. Select the most appropriate response.

Place tenant interfaces and routing tables in separate VRFs.
Correct the 802.1Q tagging and native VLAN expectation.
Use LLDP neighbor and port descriptions instead of guessing cabling.
Investigate egress congestion and queue utilization.

Explanation

Correct Answer

LLDP advertises directly connected device identity and capabilities. The engineer should use LLDP neighbor and port descriptions instead of guessing cabling.

Incorrect Answers

VRFs provide separate Layer 3 routing contexts on one system. It is not a direct remedy for the condition described.

VLAN classification on ingress determines Layer 2 forwarding and segmentation. It is not a direct remedy for the condition described.

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

Question 271

Following a campus change for this issue—an EAP-TLS server uses a certificate with the wrong name—which result most directly verifies that the remedy works?

Compare a trusted and unknown-CA client authentication result.
Trigger CoA and observe role transition and permitted applications.
Inspect supplicant TLS alert and server-name validation.
Compare profiling result and effective role on both switches.

Explanation

Correct Answer

Supplicants may reject a server even when its signing CA is trusted. Inspect supplicant TLS alert and server-name validation directly tests the desired behavior.

Incorrect Answers

EAP-TLS succeeds only with a valid trusted certificate chain. That observation tests a different condition, not the required result.

Change of Authorization can update session policy without a full reboot. That observation tests a different condition, not the required result.

Device category and enforcement mapping must follow endpoint identity across locations. That observation tests a different condition, not the required result.

Question 272

A technician has applied this fix: Enable DHCP snooping with uplinks designated as trusted. Which observation would provide the strongest acceptance evidence?

Send a controlled unauthorized RA and verify it is not learned.
Offer DHCP from trusted and untrusted sides and inspect counters.
Capture VLAN tags across the trunk and verify endpoint membership.
Capture IGMP queries and monitor group expiration.

Explanation

Correct Answer

DHCP snooping blocks unauthorized server replies on untrusted ports. Offer DHCP from trusted and untrusted sides and inspect counters directly tests the desired behavior.

Incorrect Answers

RA Guard filters unauthorized IPv6 router announcements. That observation tests a different condition, not the required result.

VLAN classification on ingress determines Layer 2 forwarding and segmentation. That observation tests a different condition, not the required result.

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

Question 273

An access radio handles many clients on a shared wireless channel. Which change most directly meets this campus requirement?

Revisit 802.11 channel reuse and neighboring co-channel cell placement.
Inspect ARP request and reply exchange and local VLAN reachability.
Use 802.1Q VLAN tags to preserve the correct broadcast domains.
Use 802.11 contention and collision-avoidance planning rather than Ethernet full-duplex assumptions.

Explanation

Correct Answer

802.11 stations contend for shared airtime, so carrier-sense and backoff affect throughput. The engineer should use 802.11 contention and collision-avoidance planning rather than Ethernet full-duplex assumptions.

Incorrect Answers

Same-channel cells share contention opportunities even when SSIDs are identical. It is not a direct remedy for the condition described.

ARP resolves IPv4 neighbors to MAC addresses within the local broadcast domain. It is not a direct remedy for the condition described.

VLAN tags identify individual logical Layer 2 networks on a shared trunk. It is not a direct remedy for the condition described.

Question 274

After completing the planned work for this situation—an enterprise wants to detect unauthorized AP impersonation—how should success be checked?

Compare approved AP inventory with detected BSSID and security settings.
Inspect snooping binding table and blocked offer counters.
Review supplicant certificate alerts and successful authentication after renewal.
Capture the wire and confirm payload confidentiality on the chosen path.

Explanation

Correct Answer

Wireless intrusion monitoring distinguishes trusted infrastructure from unknown transmitters. Compare approved AP inventory with detected BSSID and security settings directly tests the desired behavior.

Incorrect Answers

DHCP snooping can block server responses on untrusted access links. 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.

Encryption choice depends on Layer 2 versus application-layer trust boundaries. That observation tests a different condition, not the required result.

Question 275

For an HPE Aruba Networking campus deployment, an 802.1X reauthentication setting disconnects voice calls too frequently. Which action best addresses it?

Configure an intended 802.1X-to-MAC fallback order.
Correct server identity/SAN to match client trust expectations.
Tune supported reauthentication interval and session continuity policy.
Configure supported TACACS+/RBAC command authorization.

Explanation

Correct Answer

Unnecessarily aggressive reauthentication can disrupt real-time sessions. The engineer should tune supported reauthentication interval and session continuity policy.

Incorrect Answers

Auth-method priority avoids bypassing strong identities prematurely. It is not a direct remedy for the condition described.

Supplicants may reject a server even when its signing CA is trusted. It is not a direct remedy for the condition described.

Authentication identifies administrators; authorization controls permitted commands. It is not a direct remedy for the condition described.

Question 276

An engineer is planning corrective work because a RADIUS server uses a different shared secret than the switch. Which step should be prioritized?

Map ClearPass enforcement policy output to a device-supported role.
Align the authenticated RADIUS client secret at both endpoints.
Ensure certificate revocation checking is enforced where applicable.
Install the required trust anchor or replace the untrusted certificate.

Explanation

Correct Answer

RADIUS integrity checks depend on matching shared secrets. The engineer should align the authenticated RADIUS client secret at both endpoints.

Incorrect Answers

Identity validation must be followed by explicit authorization attributes. It is not a direct remedy for the condition described.

A valid-looking certificate may no longer be authorized after revocation. It is not a direct remedy for the condition described.

EAP-TLS succeeds only with a valid trusted certificate chain. It is not a direct remedy for the condition described.

Question 277

For an HPE Aruba Networking campus deployment, a campus needs accounting of connection start and stop times. Which action best addresses it?

Tune supported reauthentication interval and session continuity policy.
Check supplicant status and 802.1X client configuration.
Enable supported RADIUS accounting independently of authentication.
Configure 802.1X EAP-TLS with a trusted RADIUS authorization response.

Explanation

Correct Answer

Accounting records session events rather than selecting the identity. The engineer should enable supported RADIUS accounting independently of authentication.

Incorrect Answers

Unnecessarily aggressive reauthentication can disrupt real-time sessions. It is not a direct remedy for the condition described.

EAPOL exchange requires the endpoint to participate in authentication. It is not a direct remedy for the condition described.

EAP-TLS validates certificate identity and central policy chooses the access role. It is not a direct remedy for the condition described.

Question 278

For an HPE Aruba Networking campus deployment, an Ethernet frame is larger than the trunk's supported MTU. Which action best addresses it?

Keep one LACP side active and the peer interoperable.
Align supported MTU across the required link path.
Use a proper VSX/MCLAG peer pair or terminate each uplink separately.
Configure a trunk with the required allowed VLANs.

Explanation

Correct Answer

Oversized frames can be dropped when intermediate L2 links have smaller MTU. The engineer should align supported MTU across the required link path.

Incorrect Answers

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

Plain LACP assumes one logical partner; independent switches cannot be arbitrarily combined. It is not a direct remedy for the condition described.

An 802.1Q trunk transports multiple logical Ethernet networks. It is not a direct remedy for the condition described.

Question 279

For an HPE Aruba Networking campus deployment, an access layer uses a trunk to an aggregation switch but one VLAN is absent remotely. Which action best addresses it?

Configure or validate its next-hop reachability and routing policy.
Add the needed VLAN to the allowed trunk list on the relevant links.
Validate the AP wired-port bridge mode, allowed VLAN and required access policy.
Verify the intended gateway virtualization design and L2 loop condition.

Explanation

Correct Answer

Trunk VLAN filtering can silently drop an otherwise correctly tagged subnet. The engineer should add the needed VLAN to the allowed trunk list on the relevant links.

Incorrect Answers

Physical carrier state is distinct from an installed usable route. It is not a direct remedy for the condition described.

The AP uplink does not automatically grant all attached wired port traffic. It is not a direct remedy for the condition described.

Unplanned gateway MAC movement can reflect duplicated gateway identity or loops. It is not a direct remedy for the condition described.

Question 280

The engineer reports completing this change: Correlate roam events, authentication timing and application jitter. Which verification should be included in the handover?

Compare RADIUS/supplicant TLS errors for failing clients.
Capture the roam time line and RTP loss at each stage.
Inspect AP power limitations and switch allocated wattage.
Align interface-event and client-failure timestamps.

Explanation

Correct Answer

Fast RF association and data-plane continuity are different measures. Capture the roam time line and RTP loss at each stage directly tests the desired behavior.

Incorrect Answers

Certificate validation occurs after the client discovers the SSID. That observation tests a different condition, not the required result.

Insufficient PoE can cause reduced AP functionality while link remains up. That observation tests a different condition, not the required result.

End-state snapshots may miss transient faults. That observation tests a different condition, not the required result.

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Pass Your HP HPE7-A01 Exam Easy!

Question 270

Explanation

Correct Answer

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Question 271

Explanation

Correct Answer

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Question 272

Explanation

Correct Answer

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Question 273

Explanation

Correct Answer

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Question 274

Explanation

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Question 275

Explanation

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Question 276

Explanation

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Question 277

Explanation

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Question 278

Explanation

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Question 279

Explanation

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Question 280

Explanation

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