HP HPE7-A01 Practice Test 52

Question 510

Following a campus change for this issue—a campus voice class suffers under uplink congestion—which result most directly verifies that the remedy works?

Compare packet latency/loss with a bandwidth test in the same interval.
Compare throughput and drop profiles before and after rate control.
Generate voice and bulk traffic and measure jitter/queue drops.
Compare channel occupancy and performance at 20/40/80 MHz.

Explanation

Correct Answer

QoS scheduling helps latency-sensitive packets compete under load. Generate voice and bulk traffic and measure jitter/queue drops directly tests the desired behavior.

Incorrect Answers

Application quality depends on timing and reliability as well as bandwidth. That observation tests a different condition, not the required result.

Shaping buffers over-rate traffic while policing can drop or remark it. That observation tests a different condition, not the required result.

Wide channels can reduce the number of independent neighboring cells. That observation tests a different condition, not the required result.

Question 511

Following a campus change for this issue—a WLAN uses one broad ACL that accidentally allows guest access to RFC1918 services—which result most directly verifies that the remedy works?

Trace guest traffic against policy hits for private destinations.
Send a forged test ARP and inspect rejection logs.
Verify SNMPv3 access while legacy community attempts fail.
Compare effective role and permitted flows for approved and denied clients.

Explanation

Correct Answer

Generic allow rules can undermine network separation. Trace guest traffic against policy hits for private destinations directly tests the desired behavior.

Incorrect Answers

Dynamic ARP inspection validates address/MAC claims on untrusted ports. That observation tests a different condition, not the required result.

SNMPv3 can authenticate and encrypt management telemetry. That observation tests a different condition, not the required result.

Port access control restricts network membership to authenticated endpoints. That observation tests a different condition, not the required result.

Question 512

A voice SSID uses the lowest legacy basic rate for all frames. Which change most directly meets this campus requirement?

Consider supported higher minimum data rates after coverage verification.
Prefer role-based policy where it reduces unnecessary SSID proliferation.
Perform a time-correlated non-Wi-Fi interference survey.
Use an appropriate 802.11k neighbor report policy.

Explanation

Correct Answer

Very low basic rates consume disproportionate airtime. The engineer should consider supported higher minimum data rates after coverage verification.

Incorrect Answers

Distinct policy does not always require a new beaconing SSID. It is not a direct remedy for the condition described.

An intermittent interferer can explain periodic retries without any configuration change. It is not a direct remedy for the condition described.

Neighbor reports can reduce the amount of blind scanning needed. It is not a direct remedy for the condition described.

Question 513

During campus implementation, a switch uplink is down immediately after transceiver replacement. What should the engineer configure or correct?

Inspect MAC table learning and potential port-security blocking.
Compare local supplicant identity, certificate and role policy.
Trace DHCP and assigned VLAN before RF optimization.
Verify physical media, transceiver type and optical signal before routing.

Explanation

Correct Answer

Layer 1 failure must be resolved before Layer 3 diagnosis. The engineer should verify physical media, transceiver type and optical signal before routing.

Incorrect Answers

Layer 2 forwarding depends on learned destination MAC and permitted ports. It is not a direct remedy for the condition described.

Per-endpoint authentication problems are not necessarily switch-wide faults. It is not a direct remedy for the condition described.

Association and authentication are separate from address assignment. It is not a direct remedy for the condition described.

Question 514

The campus team is closing a service ticket about this condition: A laptop sees a rogue DHCP offer from another user's port. Which validation step is most relevant?

Verify RADIUS role assignment and allowed application traffic.
Verify guest role and restricted production access.
Inspect snooping binding table and blocked offer counters.
Observe root state and protection response to a test BPDU.

Explanation

Correct Answer

DHCP snooping can block server responses on untrusted access links. Inspect snooping binding table and blocked offer counters 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.

Guest credentials should not bypass corporate identity policy. That observation tests a different condition, not the required result.

STP protections constrain unauthorized topology control. That observation tests a different condition, not the required result.

Question 515

A trunk carries DSCP-marked VoIP but the endpoint traffic loses its expected class. Which change most directly meets this campus requirement?

Examine errdisable or protection events before re-enabling.
Review spanning-tree role, topology changes and loop-guard features.
Trace trust boundaries and DSCP-to-queue mappings.
Apply management-plane ACL/RBAC and secure protocols.

Explanation

Correct Answer

Marking must remain trusted through every intended QoS enforcement point. The engineer should trace trust boundaries and DSCP-to-queue mappings.

Incorrect Answers

An automatic protection feature may be intentionally shutting the port. It is not a direct remedy for the condition described.

Redundant physical links must not create an uncontrolled bridging loop. It is not a direct remedy for the condition described.

Administrative access protection is distinct from normal endpoint forwarding. It is not a direct remedy for the condition described.

Question 516

An engineer is planning corrective work because two default gateways are needed on independent devices without VSX. Which step should be prioritized?

Keep healthy LAG members forwarding while removing the failed link.
Map VLANs to supported MSTP instances with appropriate roots.
Provide redundant reachable DHCP servers or relay destinations.
Deploy a supported VRRP first-hop redundancy group.

Explanation

Correct Answer

VRRP can provide a shared virtual gateway independent of a VSX pair. The engineer should deploy a supported VRRP first-hop redundancy group.

Incorrect Answers

LACP aggregation can survive individual member loss. It is not a direct remedy for the condition described.

MSTP can provide separate spanning-tree topologies for groups of VLANs. It is not a direct remedy for the condition described.

DHCP address assignment should not depend on one failed server. It is not a direct remedy for the condition described.

Question 517

The campus team is closing a service ticket about this condition: OSPF routes prefer the wrong uplink for critical services. Which validation step is most relevant?

Compare advertised prefixes and connected reachability after aggregation.
Check intra-area and inter-area routes on each side.
Compare OSPF cost and active next-hop choice before/after change.
Verify TCP session state and neighbor source/destination.

Explanation

Correct Answer

OSPF SPF uses accumulated interface metrics for path selection. Compare OSPF cost and active next-hop choice before/after change directly tests the desired behavior.

Incorrect Answers

Summarization reduces route entries and update churn where topology permits. That observation tests a different condition, not the required result.

An ABR connects area 0 with additional OSPF areas. That observation tests a different condition, not the required result.

BGP uses a TCP session and requires reachable configured neighbors. That observation tests a different condition, not the required result.

Question 518

A technician has applied this fix: Use supported NSSA external route handling instead of ordinary stub settings. Which observation would provide the strongest acceptance evidence?

Disconnect a test link and measure neighbor/route withdrawal time.
Compare intended and actual advertised prefix lists.
Verify the expected NSSA route and translated advertisement.
Check the generated default advertisement and availability behavior.

Explanation

Correct Answer

NSSA permits controlled local external redistribution in a stub-like area. Verify the expected NSSA route and translated advertisement directly tests the desired behavior.

Incorrect Answers

BFD can drive rapid protocol fault detection independent of standard hello timers. That observation tests a different condition, not the required result.

Outbound routing policies control which local routes are advertised. That observation tests a different condition, not the required result.

OSPF does not automatically inject a default solely because WAN exists. That observation tests a different condition, not the required result.

Question 519

A WLAN uses one broad ACL that accidentally allows guest access to RFC1918 services. Which change most directly meets this campus requirement?

Use SNMPv3 authentication and privacy where supported.
Enable 802.1X with authorized RADIUS and an appropriate fallback policy.
Enable DAI or equivalent protection with trustworthy bindings.
Refine the guest policy with explicit application and destination constraints.

Explanation

Correct Answer

Generic allow rules can undermine network separation. The engineer should refine the guest policy with explicit application and destination constraints.

Incorrect Answers

SNMPv3 can authenticate and encrypt management telemetry. It is not a direct remedy for the condition described.

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

Dynamic ARP inspection validates address/MAC claims on untrusted ports. It is not a direct remedy for the condition described.

Question 520

After completing the planned work for this situation—an 802.1X reauthentication setting disconnects voice calls too frequently—how should success be checked?

Measure call behavior across a scheduled reauthentication cycle.
Inspect supplicant TLS alert and server-name validation.
Test both capable and non-802.1X endpoints and inspect selected method.
Attempt an allowed and restricted CLI operation for a test admin.

Explanation

Correct Answer

Unnecessarily aggressive reauthentication can disrupt real-time sessions. Measure call behavior across a scheduled reauthentication cycle directly tests the desired behavior.

Incorrect Answers

Supplicants may reject a server even when its signing CA is trusted. That observation tests a different condition, not the required result.

Auth-method priority avoids bypassing strong identities prematurely. That observation tests a different condition, not the required result.

Authentication identifies administrators; authorization controls permitted commands. That observation tests a different condition, not the required result.

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Pass Your HP HPE7-A01 Exam Easy!

Question 510

Explanation

Correct Answer

Incorrect Answers

Question 511

Explanation

Correct Answer

Incorrect Answers

Question 512

Explanation

Correct Answer

Incorrect Answers

Question 513

Explanation

Correct Answer

Incorrect Answers

Question 514

Explanation

Correct Answer

Incorrect Answers

Question 515

Explanation

Correct Answer

Incorrect Answers

Question 516

Explanation

Correct Answer

Incorrect Answers

Question 517

Explanation

Correct Answer

Incorrect Answers

Question 518

Explanation

Correct Answer

Incorrect Answers

Question 519

Explanation

Correct Answer

Incorrect Answers

Question 520

Explanation

Correct Answer

Incorrect Answers

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