HP HPE7-A01 Practice Test 20

Question 190

After completing the planned work for this situation—a campus needs accounting of connection start and stop times—how should success be checked?

Measure call behavior across a scheduled reauthentication cycle.
Capture EAPOL-Request and absence/presence of EAPOL-Response.
Review start, interim and stop accounting messages for a session.
Authenticate a known-good certificate and inspect role attributes.

Explanation

Correct Answer

Accounting records session events rather than selecting the identity. Review start, interim and stop accounting messages for a session directly tests the desired behavior.

Incorrect Answers

Unnecessarily aggressive reauthentication can disrupt real-time sessions. That observation tests a different condition, not the required result.

EAPOL exchange requires the endpoint to participate in authentication. That observation tests a different condition, not the required result.

EAP-TLS validates certificate identity and central policy chooses the access role. That observation tests a different condition, not the required result.

Question 191

After completing the planned work for this situation—a branch onboarding task should minimize on-site manual changes—how should success be checked?

Trace the AP's IP assignment and management connection after boot.
Trace MAC moves and compare gateway configuration across devices.
Observe LACP protocol exchange after changing one member to active.
Power on a representative unit and trace automatic policy assignment.

Explanation

Correct Answer

Preprovisioning moves repeatable configuration into central management. Power on a representative unit and trace automatic policy assignment directly tests the desired behavior.

Incorrect Answers

AP onboarding depends on working network bootstrap and a reachable management service. That observation tests a different condition, not the required result.

Unplanned gateway MAC movement can reflect duplicated gateway identity or loops. That observation tests a different condition, not the required result.

Passive LACP endpoints do not initiate the exchange needed to negotiate a bundle. That observation tests a different condition, not the required result.

Question 192

After completing the planned work for this situation—a campus file-transfer application requires encryption over a shared segment—how should success be checked?

Capture the wire and confirm payload confidentiality on the chosen path.
Verify RADIUS role assignment and allowed application traffic.
Trace guest traffic against policy hits for private destinations.
Add an unauthorized MAC and observe the configured violation action.

Explanation

Correct Answer

Encryption choice depends on Layer 2 versus application-layer trust boundaries. Capture the wire and confirm payload confidentiality on the chosen path directly tests the desired behavior.

Incorrect Answers

Roles can express differentiated access independent of separate SSID proliferation. That observation tests a different condition, not the required result.

Generic allow rules can undermine network separation. That observation tests a different condition, not the required result.

Port security prevents arbitrary new MAC addresses from gaining access. That observation tests a different condition, not the required result.

Question 193

After completing the planned work for this situation—a corporate WLAN needs certificate-based user/device authentication—how should success be checked?

Compare candidate AP signal and steering event logs.
Associate a new test guest and inspect portal redirect and post-login role.
Compare client VLAN assignment, DHCP server and trunk membership.
Authenticate an approved and untrusted certificate and inspect RADIUS results.

Explanation

Correct Answer

EAP-TLS uses certificate authentication and requires valid trust chains. Authenticate an approved and untrusted certificate and inspect RADIUS results directly tests the desired behavior.

Incorrect Answers

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

Captive portals add user onboarding beyond basic association. That observation tests a different condition, not the required result.

Client IP assignment follows the effective user VLAN and DHCP scope. That observation tests a different condition, not the required result.

Question 194

For an HPE Aruba Networking campus deployment, an Ethernet trunk's throughput stays low despite two LAG members. Which action best addresses it?

Reserve suitable queue priority and reduce oversubscription.
Calibrate cell-edge target and neighboring AP power.
Correct the DSCP-to-local-queue mapping and trust boundary.
Inspect flow-hash distribution and per-member traffic.

Explanation

Correct Answer

LAG hashing keeps a flow on one member and does not split one flow packet by packet. The engineer should inspect flow-hash distribution and per-member traffic.

Incorrect Answers

Full link saturation exposes serialization and queuing delays. It is not a direct remedy for the condition described.

Excess power can delay client roaming despite good RSSI. It is not a direct remedy for the condition described.

Classification and queue scheduling both matter for end-to-end QoS. It is not a direct remedy for the condition described.

Question 195

Following a campus change for this issue—a dense WLAN has noticeable overhead even when user data is light—which result most directly verifies that the remedy works?

Check negotiated PoE class, switch power budget and AP power-status messages.
Connect an unapproved and an approved endpoint and compare port-access sessions.
Observe channel busy time and retransmissions during a controlled multi-client transfer.
Compare observed beacon intervals and channel airtime usage.

Explanation

Correct Answer

Beacons and management frames consume radio airtime independently of application payload. Compare observed beacon intervals and channel airtime usage directly tests the desired behavior.

Incorrect Answers

PoE classes and available per-port power affect whether an AP can enable full capability. That observation tests a different condition, not the required result.

802.1X controls port authorization before granting authenticated network access. That observation tests a different condition, not the required result.

802.11 stations contend for shared airtime, so carrier-sense and backoff affect throughput. That observation tests a different condition, not the required result.

Question 196

A network team reports the following condition: A laptop sees a rogue DHCP offer from another user's port. Select the most appropriate response.

Apply STP root or BPDU protection on appropriate edge ports.
Separate guest access with appropriate portal/role policy.
Map authenticated identities to suitable Aruba user roles.
Use DHCP snooping with correctly designated trust boundaries.

Explanation

Correct Answer

DHCP snooping can block server responses on untrusted access links. The engineer should use DHCP snooping with correctly designated trust boundaries.

Incorrect Answers

STP protections constrain unauthorized topology control. 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.

Roles can express differentiated access independent of separate SSID proliferation. It is not a direct remedy for the condition described.

Question 197

A network team reports the following condition: A voice deployment must reduce repeated full authentication during roaming. Select the most appropriate response.

Evaluate supported ClientMatch/steering and client signal thresholds.
Evaluate supported 802.11r fast-transition configuration and client compatibility.
Adjust cell size, minimum basic rates and roaming policy carefully.
Review ARM/AirMatch bounds and actual cell overlap.

Explanation

Correct Answer

Fast transition can reduce reassociation authentication overhead. The engineer should evaluate supported 802.11r fast-transition configuration and client compatibility.

Incorrect Answers

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

Excess cell reach and very low data rates can promote sticky clients. It is not a direct remedy for the condition described.

Excess transmit power can enlarge contention cells and delay roaming. It is not a direct remedy for the condition described.

Question 198

A technician has applied this fix: Apply a role-based ACL or firewall policy denying restricted destinations. Which observation would provide the strongest acceptance evidence?

Test valid, expired and untrusted certificate outcomes.
Test guest-to-finance denial and guest internet allowance.
Test permitted secure access and rejected plaintext or unauthorized access.
Disable one user account and confirm other users remain authorized.

Explanation

Correct Answer

VLAN placement by itself may not enforce the intended least privilege. Test guest-to-finance denial and guest internet allowance directly tests the desired behavior.

Incorrect Answers

EAP-TLS authenticates endpoints using public-key certificates. That observation tests a different condition, not the required result.

Secure administration requires both encryption and source restriction. That observation tests a different condition, not the required result.

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

Question 199

One AP's receive noise increases only when a nearby machine runs. Which change most directly meets this campus requirement?

Verify roaming VLAN continuity and required mobility anchoring.
Check client capabilities before expecting 802.11ax-specific features.
Adjust AP placement and validated transmit-power design after a survey.
Perform a time-correlated non-Wi-Fi interference survey.

Explanation

Correct Answer

An intermittent interferer can explain periodic retries without any configuration change. The engineer should perform a time-correlated non-Wi-Fi interference survey.

Incorrect Answers

L3 or policy changes during roaming can interrupt sessions beyond RF association delay. It is not a direct remedy for the condition described.

Legacy clients cannot use HE-only scheduling features. It is not a direct remedy for the condition described.

Usable wireless coverage depends on geometry, attenuation and client receive sensitivity. It is not a direct remedy for the condition described.

Question 200

Following a campus change for this issue—a port should accept only approved hardware addresses—which result most directly verifies that the remedy works?

Compare forged and valid ARP replies and their inspection counters.
Check both peers' negotiated duplex and error counters.
Join and leave a test group and observe forwarding-port membership.
Connect an unregistered test device and inspect the violation action.

Explanation

Correct Answer

Port security restricts which endpoint MAC addresses can use the link. Connect an unregistered test device and inspect the violation action directly tests the desired behavior.

Incorrect Answers

Dynamic ARP inspection can reject ARP packets inconsistent with trusted bindings. That observation tests a different condition, not the required result.

Duplex mismatch can create collisions and poor performance. That observation tests a different condition, not the required result.

IGMP snooping limits eligible multicast delivery to interested ports. That observation tests a different condition, not the required result.

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Question 190

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Question 191

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Question 192

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Question 193

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Question 194

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Question 195

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Question 196

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Question 197

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Question 198

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Question 199

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Question 200

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