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HP HPE7-A08 Practice Test 46

Question 450

An API-driven change caused an outage, and the investigation needs to identify its source. What evidence should be retained?

  1. AOS-CX REST read access
  2. Idempotent desired-state automation
  3. API transaction audit trail
  4. Configuration preflight validation

Explanation

Correct Answer

C:

Audit records should include actor, target and time. Log API caller, time, target and changed objects for reliable review and rollback.

Incorrect Answers

A:

REST GET requests expose structured device state for authorized inspection. But this does not address the case requirement to reconstruct the automated change history.

B:

Automation should compare desired and actual state and avoid repeated unintended mutations. But this does not address the case requirement to reconstruct the automated change history.

D:

Check target model, firmware, dependencies and planned effect before sending changes. But this does not address the case requirement to reconstruct the automated change history.

Question 451

An access point broadcasts SSIDs correctly but its tagged student VLAN is absent from the CX uplink. What switch-port design must be corrected?

  1. L3 gateway and DHCP reachability
  2. Wired AP uplink VLAN design
  3. Identity and access policy consistency
  4. Multicast control for media services

Explanation

Correct Answer

B:

AP uplink VLAN carriage must match intended client segmentation. AP switch ports must carry management and client/service VLANs as required by the approved AP deployment.

Incorrect Answers

A:

AP management and wireless-client VLANs need working gateway, DHCP and DNS dependencies. But this does not address the case requirement to transport AP management and client VLANs.

C:

Wired and wireless endpoints should use compatible enterprise identity and role policies. But this does not address the case requirement to transport AP management and client VLANs.

D:

IGMP and routed multicast design can matter to shared classroom streaming services. But this does not address the case requirement to transport AP management and client VLANs.

Question 452

A high-throughput Wi-Fi access point resets because the connected switch port cannot deliver its negotiated power class. What edge specification matters?

  1. Identity and access policy consistency
  2. Cross-system troubleshooting evidence
  3. Power and negotiated link support
  4. L3 gateway and DHCP reachability

Explanation

Correct Answer

C:

Physical PoE and link speed must match AP requirements. APs need adequate PoE classification and appropriate wired link speed for their role.

Incorrect Answers

A:

Wired and wireless endpoints should use compatible enterprise identity and role policies. But this does not address the case requirement to power the AP reliably at the wired edge.

B:

Compare switch port, AP state, client role and controller or cloud policy when wireless service fails. But this does not address the case requirement to power the AP reliably at the wired edge.

D:

AP management and wireless-client VLANs need working gateway, DHCP and DNS dependencies. But this does not address the case requirement to power the AP reliably at the wired edge.

Question 453

A student receives different rights on wired and wireless connections despite using the same credentials. What policy should be aligned?

  1. Power and negotiated link support
  2. Identity and access policy consistency
  3. Multicast control for media services
  4. Cross-system troubleshooting evidence

Explanation

Correct Answer

B:

Identity and role enforcement should be designed consistently across access media. Wired and wireless endpoints should use compatible enterprise identity and role policies.

Incorrect Answers

A:

APs need adequate PoE classification and appropriate wired link speed for their role. But this does not address the case requirement to make authorized campus policy consistent.

C:

IGMP and routed multicast design can matter to shared classroom streaming services. But this does not address the case requirement to make authorized campus policy consistent.

D:

Compare switch port, AP state, client role and controller or cloud policy when wireless service fails. But this does not address the case requirement to make authorized campus policy consistent.

Question 454

A school IPTV classroom service floods unjoined wired and wireless clients. Which network mechanism should be evaluated?

  1. Power and negotiated link support
  2. Cross-system troubleshooting evidence
  3. Identity and access policy consistency
  4. Multicast control for media services

Explanation

Correct Answer

D:

Multicast group membership handling limits unnecessary forwarding. IGMP and routed multicast design can matter to shared classroom streaming services.

Incorrect Answers

A:

APs need adequate PoE classification and appropriate wired link speed for their role. But this does not address the case requirement to carry video only to subscribed groups.

B:

Compare switch port, AP state, client role and controller or cloud policy when wireless service fails. But this does not address the case requirement to carry video only to subscribed groups.

C:

Wired and wireless endpoints should use compatible enterprise identity and role policies. But this does not address the case requirement to carry video only to subscribed groups.

Question 455

Wireless clients associate but receive no IP address on a remote client VLAN. What wired routing service could be absent?

  1. Wired AP uplink VLAN design
  2. Power and negotiated link support
  3. Multicast control for media services
  4. L3 gateway and DHCP reachability

Explanation

Correct Answer

D:

Client VLAN gateways and DHCP relay are prerequisites to IP service. AP management and wireless-client VLANs need working gateway, DHCP and DNS dependencies.

Incorrect Answers

A:

AP switch ports must carry management and client/service VLANs as required by the approved AP deployment. But this does not address the case requirement to deliver address assignment over the routed access network.

B:

APs need adequate PoE classification and appropriate wired link speed for their role. But this does not address the case requirement to deliver address assignment over the routed access network.

C:

IGMP and routed multicast design can matter to shared classroom streaming services. But this does not address the case requirement to deliver address assignment over the routed access network.

Question 456

A wireless help desk sees SSID association but no traffic beyond the AP uplink. What evidence should be correlated?

  1. Cross-system troubleshooting evidence
  2. Power and negotiated link support
  3. Multicast control for media services
  4. Wired AP uplink VLAN design

Explanation

Correct Answer

A:

AP status and switch interface/role/VLAN data reveal the full path. Compare switch port, AP state, client role and controller or cloud policy when wireless service fails.

Incorrect Answers

B:

APs need adequate PoE classification and appropriate wired link speed for their role. But this does not address the case requirement to diagnose end-to-end wired-wireless forwarding.

C:

IGMP and routed multicast design can matter to shared classroom streaming services. But this does not address the case requirement to diagnose end-to-end wired-wireless forwarding.

D:

AP switch ports must carry management and client/service VLANs as required by the approved AP deployment. But this does not address the case requirement to diagnose end-to-end wired-wireless forwarding.

Question 457

An AP uses a trunk containing VLAN 10 but newly introduced VLAN 80 is missing. Which switch setting matters?

  1. L3 gateway and DHCP reachability
  2. Cross-system troubleshooting evidence
  3. Power and negotiated link support
  4. Wired AP uplink VLAN design

Explanation

Correct Answer

D:

Allowed VLAN membership on the AP-facing uplink is required. AP switch ports must carry management and client/service VLANs as required by the approved AP deployment.

Incorrect Answers

A:

AP management and wireless-client VLANs need working gateway, DHCP and DNS dependencies. But this does not address the case requirement to transport the new tagged client segment.

B:

Compare switch port, AP state, client role and controller or cloud policy when wireless service fails. But this does not address the case requirement to transport the new tagged client segment.

C:

APs need adequate PoE classification and appropriate wired link speed for their role. But this does not address the case requirement to transport the new tagged client segment.

Question 458

The same authenticated employee accesses finance on Ethernet but is dropped into guest on Wi-Fi. What should be inspected?

  1. Multicast control for media services
  2. Wired AP uplink VLAN design
  3. Identity and access policy consistency
  4. L3 gateway and DHCP reachability

Explanation

Correct Answer

C:

Role and identity policy consistency drives equivalent authorization. Wired and wireless endpoints should use compatible enterprise identity and role policies.

Incorrect Answers

A:

IGMP and routed multicast design can matter to shared classroom streaming services. But this does not address the case requirement to reconcile wired and wireless role selection.

B:

AP switch ports must carry management and client/service VLANs as required by the approved AP deployment. But this does not address the case requirement to reconcile wired and wireless role selection.

D:

AP management and wireless-client VLANs need working gateway, DHCP and DNS dependencies. But this does not address the case requirement to reconcile wired and wireless role selection.

Question 459

A client loses service after a Central policy change while AP radio metrics remain healthy. What diagnostic path is appropriate?

  1. Cross-system troubleshooting evidence
  2. L3 gateway and DHCP reachability
  3. Power and negotiated link support
  4. Wired AP uplink VLAN design

Explanation

Correct Answer

A:

Correlate deployed port policy, client role and wired VLAN state. Compare switch port, AP state, client role and controller or cloud policy when wireless service fails.

Incorrect Answers

B:

AP management and wireless-client VLANs need working gateway, DHCP and DNS dependencies. But this does not address the case requirement to find the actual packet-path fault across access systems.

C:

APs need adequate PoE classification and appropriate wired link speed for their role. But this does not address the case requirement to find the actual packet-path fault across access systems.

D:

AP switch ports must carry management and client/service VLANs as required by the approved AP deployment. But this does not address the case requirement to find the actual packet-path fault across access systems.

Question 460

A CX fiber port remains down after VLAN changes; one end uses an SR multi-mode module and the other a long-reach single-mode optic. What is the likely failure?

  1. Intermittent physical link flap
  2. Copper pair or distance defect
  3. Unsupported transceiver or fiber standard
  4. Speed or autonegotiation incompatibility

Explanation

Correct Answer

C:

The physical optical standards are incompatible. An optic/fiber speed or media mismatch prevents a valid physical link even with correct Layer 2 configuration.

Incorrect Answers

A:

A bad cable, module or hardware problem can cause recurring link-up/link-down events. But this does not address the case requirement to find the transceiver or fiber mismatch.

B:

Damaged twisted pairs or channel-length violations create carrier problems and increasing physical errors. But this does not address the case requirement to find the transceiver or fiber mismatch.

D:

Two endpoints with incompatible port speeds or negotiation behavior may fail to establish stable Ethernet. But this does not address the case requirement to find the transceiver or fiber mismatch.

HPE Network Switching Professional (HPE7-A08) Practice Tests

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