HP HPE7-A01 Practice Test 23

Question 220

A campus fabric uses iBGP but cannot fully mesh every internal node. Which change most directly meets this campus requirement?

Deploy suitable route reflectors and client relationships.
Use a suitable policy-based routing rule rather than changing all global routes.
Verify peer capabilities and bounded stale-route timers.
Apply outbound prefix filtering and verify route policy direction.

Explanation

Correct Answer

Route reflection reduces the iBGP full-mesh requirement. The engineer should deploy suitable route reflectors and client relationships.

Incorrect Answers

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

Graceful restart may preserve forwarding while control-plane updates recover. 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 221

For an HPE Aruba Networking campus deployment, a routing loop sends campus packets back and forth between two distribution switches. Which action best addresses it?

Correct incompatible interface MTU or documented OSPF handling.
Choose the intended preferred route distance for failover policy.
Apply the intended stub-area design consistently on peers.
Correct inconsistent static/default routes or route redistribution.

Explanation

Correct Answer

Two mutually pointing next hops can form an L3 forwarding loop. The engineer should correct inconsistent static/default routes or route redistribution.

Incorrect Answers

Database description exchange can fail when MTU expectations differ. 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.

Stub-area properties constrain external route advertisement. It is not a direct remedy for the condition described.

Question 222

After completing the planned work for this situation—a switch NAE agent cannot read a protected CLI command after AAA changes—how should success be checked?

Inspect denied command logs and agent rule execution.
Compare identical request using allowed and restricted test roles.
Verify site dashboards and group policy remain correctly scoped.
Compare sampled flow exports with port utilization counters.

Explanation

Correct Answer

NAE operations may be constrained by command authorization. Inspect denied command logs and agent rule execution directly tests the desired behavior.

Incorrect Answers

HTTP 403 typically indicates a privilege or access-policy denial. That observation tests a different condition, not the required result.

Groups primarily determine configuration; sites support physical/location reporting. That observation tests a different condition, not the required result.

sFlow samples packets and interface counters for flow visibility. That observation tests a different condition, not the required result.

Question 223

After completing the planned work for this situation—a BGP neighbor stays Idle despite matching AS numbers—how should success be checked?

Inspect path attributes and selected best path for one prefix.
Capture RA and check host IPv6 route/address state.
Advertise a client route and verify another client learns it.
Verify TCP session state and neighbor source/destination.

Explanation

Correct Answer

BGP uses a TCP session and requires reachable configured neighbors. Verify TCP session state and neighbor source/destination directly tests the desired behavior.

Incorrect Answers

BGP attributes determine preference beyond ordinary hop count. That observation tests a different condition, not the required result.

Router advertisements communicate default-router and prefix information. That observation tests a different condition, not the required result.

Route reflection reduces the iBGP full-mesh requirement. That observation tests a different condition, not the required result.

Question 224

A Wi-Fi 6 AP needs to serve many short-uplink IoT exchanges. Which change most directly meets this campus requirement?

Apply client isolation or appropriate role-based segmentation.
Evaluate BSS coloring together with interference and power policy.
Use supported 802.11ax OFDMA scheduling where eligible.
Confirm clients support 6 GHz and the selected Wi-Fi 6E/7 security profile.

Explanation

Correct Answer

OFDMA divides airtime into resource units for efficient multi-user scheduling. The engineer should use supported 802.11ax OFDMA scheduling where eligible.

Incorrect Answers

Guest devices should not gain unnecessary direct peer reachability. It is not a direct remedy for the condition described.

BSS coloring can help distinguish overlapping transmissions under supported spatial reuse. It is not a direct remedy for the condition described.

6 GHz discovery requires compatible client radio and security support. It is not a direct remedy for the condition described.

Question 225

Following a campus change for this issue—an access interface has a compatible optic but the link remains down—which result most directly verifies that the remedy works?

Inspect member inventory, version and stack state after alignment.
Trace MAC moves and compare gateway configuration across devices.
Run management-VRF sourced ping and route lookup to the cloud endpoint.
Inspect transceiver diagnostics and both ends' interface state.

Explanation

Correct Answer

Physical link-up requires matching media and supported transceiver properties. Inspect transceiver diagnostics and both ends' interface state directly tests the desired behavior.

Incorrect Answers

Stack membership commonly requires compatible software and platform capabilities. 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.

A reachable local interface does not imply a usable route from the management VRF. That observation tests a different condition, not the required result.

Question 226

The campus team is closing a service ticket about this condition: A Wi-Fi client reports association failure before acquiring an IP address. Which validation step is most relevant?

Capture the association exchange and confirm the client reaches associated state.
Observe channel busy time and retransmissions during a controlled multi-client transfer.
Check negotiated PoE class, switch power budget and AP power-status messages.
Capture NS, NA and RA messages and correlate the learned IPv6 neighbor table.

Explanation

Correct Answer

Wi-Fi management frames establish the radio connection before IP-layer onboarding. Capture the association exchange and confirm the client reaches associated state directly tests the desired behavior.

Incorrect Answers

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

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.

IPv6 uses ICMPv6 Neighbor Discovery for neighbor and router discovery. That observation tests a different condition, not the required result.

Question 227

During campus implementation, an OSPF NSSA design imports a local external route. What should the engineer configure or correct?

Integrate supported BFD on the relevant routed interfaces.
Use supported NSSA external route handling instead of ordinary stub settings.
Apply outbound prefix filtering and verify route policy direction.
Configure deliberate default origination with correct conditions.

Explanation

Correct Answer

NSSA permits controlled local external redistribution in a stub-like area. The engineer should use supported NSSA external route handling instead of ordinary stub settings.

Incorrect Answers

BFD can drive rapid protocol fault detection independent of standard hello timers. 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.

OSPF does not automatically inject a default solely because WAN exists. It is not a direct remedy for the condition described.

Question 228

An engineer is planning corrective work because a wireless voice network has high latency due to excessively wide channels in a dense floor. Which step should be prioritized?

Consider narrower channels and a more suitable reuse plan.
Configure a supported guest captive-portal workflow.
Verify DFS channel move and new channel availability.
Check client and AP capability and actual MU transmission support.

Explanation

Correct Answer

Wider channels can increase overlap and reduce available independent cells. The engineer should consider narrower channels and a more suitable reuse plan.

Incorrect Answers

Captive portals add user onboarding beyond basic association. It is not a direct remedy for the condition described.

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

MU-MIMO performance depends on device capabilities and RF conditions. It is not a direct remedy for the condition described.

Question 229

A technician has applied this fix: Review ISL/keepalive health and split-brain protection design. Which observation would provide the strongest acceptance evidence?

Disconnect one member and confirm remaining bundle throughput.
Reboot a test conductor and observe conductor election and management access.
Disable one uplink and observe AP management and client continuity.
Simulate controlled keepalive or ISL loss and review forwarded traffic.

Explanation

Correct Answer

Peer-state detection and the configured safeguards govern split failure response. Simulate controlled keepalive or ISL loss and review forwarded traffic directly tests the desired behavior.

Incorrect Answers

LACP aggregation can survive individual member loss. That observation tests a different condition, not the required result.

Stack control-plane failover is distinct from individual data-link forwarding. That observation tests a different condition, not the required result.

Failover paths must preserve required management and client VLAN reachability. That observation tests a different condition, not the required result.

Question 230

Following a campus change for this issue—an access radio handles many clients on a shared wireless channel—which result most directly verifies that the remedy works?

Observe channel busy time and retransmissions during a controlled multi-client transfer.
Review ARP and MAC tables and capture ARP exchange for the target.
Capture frames or inspect trunk membership to verify the expected VLAN IDs.
Use a site survey to compare co-channel overlap and airtime busy percentages.

Explanation

Correct Answer

802.11 stations contend for shared airtime, so carrier-sense and backoff affect throughput. Observe channel busy time and retransmissions during a controlled multi-client transfer directly tests the desired behavior.

Incorrect Answers

ARP resolves IPv4 neighbors to MAC addresses within the local broadcast domain. That observation tests a different condition, not the required result.

VLAN tags identify individual logical Layer 2 networks on a shared trunk. That observation tests a different condition, not the required result.

Same-channel cells share contention opportunities even when SSIDs are identical. That observation tests a different condition, not the required result.

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Question 220

Explanation

Correct Answer

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Question 221

Explanation

Correct Answer

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Question 222

Explanation

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Question 223

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Question 224

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Question 225

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Question 226

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Question 227

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Question 228

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Question 229

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Question 230

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