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HP HPE7-A01 Practice Test 8

Question 70

A campus upgrade moves users from local switching to a routed distribution layer. Which TWO actions together implement the required change and verify that it works? Choose TWO.

  1. Size access ports, PoE capacity and uplink bandwidth against the documented device inventory
  2. Document an approved MTU value and rollback when the path includes third-party equipment
  3. Design the approved VLAN-to-SVI gateway placement and required routed uplinks
  4. Restore the correct uplink VLAN assignments and downstream gateway reachability
  5. Trace a client packet through its access VLAN, SVI and distribution route

Explanation

Correct Answers

C:

Gateway location determines broadcast boundaries and first-hop reachability. A full-path trace checks both L2 and L3 decisions.

E:

A full-path trace checks both L2 and L3 decisions. Gateway location determines broadcast boundaries and first-hop reachability.

Incorrect Answers

A:

Physical deployment must account for client ports and powered APs. By contrast, gateway location determines broadcast boundaries and first-hop reachability.

B:

Inconsistent jumbo settings are difficult to troubleshoot after users move. It would not resolve the documented symptom; incorrect gateway changes can interrupt entire floors.

D:

Edge migration requires the same approved VLAN path to the L3 gateway. In this situation, gateway location determines broadcast boundaries and first-hop reachability.

Question 71

A campus upgrade moves users from local switching to a routed distribution layer. Which misconception is most likely to obstruct a correct fix?

  1. Assume a routed uplink continues to forward every previous VLAN without additional design
  2. Assume a floor-plan marker always reflects the AP's connected switch port
  3. Copy an unrelated uplink trunk profile onto every user edge port
  4. Use a different guest SSID name without applying different VLAN or role policy

Explanation

Correct Answer

A:

L3 interfaces do not automatically trunk arbitrary Layer 2 segments. Gateway location determines broadcast boundaries and first-hop reachability.

Incorrect Answers

B:

Cabling moves can invalidate drawings while the AP stays physically mounted. By contrast, l3 interfaces do not automatically trunk arbitrary Layer 2 segments.

C:

A broad trunk can expose VLANs to untrusted endpoints. The relevant technical distinction is that l3 interfaces do not automatically trunk arbitrary Layer 2 segments.

D:

An SSID label alone does not create network isolation. It would not resolve the documented symptom; l3 interfaces do not automatically trunk arbitrary Layer 2 segments.

Question 72

A campus upgrade moves users from local switching to a routed distribution layer. What precaution is most important before the change is expanded?

  1. Check guest DNS and captive-portal continuity during upstream failover
  2. Pilot profile assignment on a few moved devices and review negative access tests
  3. Monitor upstream service availability and protect time-source authenticity
  4. Stage gateway migration by subnet with DHCP and return-route checks

Explanation

Correct Answer

D:

Incorrect gateway changes can interrupt entire floors. A full-path trace checks both L2 and L3 decisions.

Incorrect Answers

A:

The guest design should remain secure when a link changes. Here, however, incorrect gateway changes can interrupt entire floors.

B:

Staged validation catches over-permissive ports before a whole-floor rollout. By contrast, incorrect gateway changes can interrupt entire floors.

C:

Incorrect time can break certificates and audit trails. The relevant technical distinction is that incorrect gateway changes can interrupt entire floors.

Question 73

A new AP uplink connects at a port configured for a single user VLAN. Which configuration decision most directly resolves the situation?

  1. Check the tagged management VLAN and DHCP relay or server scope for that subnet
  2. Configure approved redundant resolver and time sources reachable from management VLANs
  3. Restore the correct uplink VLAN assignments and downstream gateway reachability
  4. Apply the approved AP port profile with required management and client VLAN transport

Explanation

Correct Answer

D:

Access points may need tagged network segments beyond a single untagged VLAN. Both control connectivity and client forwarding must be supported.

Incorrect Answers

A:

Incorrect tagging can direct an AP into the wrong address pool. The relevant technical distinction is that access points may need tagged network segments beyond a single untagged VLAN.

B:

Correct name resolution and time are foundations for authentication and log correlation. Here, however, access points may need tagged network segments beyond a single untagged VLAN.

C:

Edge migration requires the same approved VLAN path to the L3 gateway. In this situation, access points may need tagged network segments beyond a single untagged VLAN.

Question 74

A new AP uplink connects at a port configured for a single user VLAN. Which check most directly demonstrates the desired network behavior?

  1. Verify the IoT application's cloud session succeeds while office-subnet probes are blocked
  2. Inspect the AP management address and client VLAN tags on the switch interface
  3. Trace source and destination paths in both directions through the new closet
  4. Confirm guest DHCP, external browsing and denied access to clinical subnets

Explanation

Correct Answer

B:

Both control connectivity and client forwarding must be supported. Access points may need tagged network segments beyond a single untagged VLAN.

Incorrect Answers

A:

Positive and negative tests establish the actual trust boundary. In this situation, both control connectivity and client forwarding must be supported.

C:

A reciprocal path test identifies unexpected policy or routing asymmetry. It would not resolve the documented symptom; both control connectivity and client forwarding must be supported.

D:

The boundary is meaningful only when both paths are tested. Here, however, both control connectivity and client forwarding must be supported.

Question 75

A new AP uplink connects at a port configured for a single user VLAN. Which assumption would be most misleading when investigating this situation?

  1. Treat a successful PoE negotiation as evidence the phone has the correct voice configuration
  2. Assume any Ethernet port that powers an AP also carries all its SSID VLANs
  3. Ship devices with shared default admin credentials and assume provisioning fixes exposure later
  4. Assume an operational IPv4 default gateway automatically supplies IPv6 routing

Explanation

Correct Answer

B:

PoE and trunk membership are independent settings. Access points may need tagged network segments beyond a single untagged VLAN.

Incorrect Answers

A:

Power delivery is distinct from addressing and registration. By contrast, poE and trunk membership are independent settings.

C:

Default credentials create risk during the bootstrap window. In this situation, poE and trunk membership are independent settings.

D:

IP versions maintain separate addressing and neighbor mechanisms. It would not resolve the documented symptom; poE and trunk membership are independent settings.

Question 76

A new AP uplink connects at a port configured for a single user VLAN. Which safeguard best reduces the deployment risk in this case?

  1. Test a link failure with loop-prevention settings recorded and peer-reviewed
  2. Stage gateway migration by subnet with DHCP and return-route checks
  3. Pilot one AP with each expected SSID before cloning the profile
  4. Document an approved MTU value and rollback when the path includes third-party equipment

Explanation

Correct Answer

C:

One missing tag can affect a particular user group across many APs. Both control connectivity and client forwarding must be supported.

Incorrect Answers

A:

Recovery should not reintroduce a broadcast storm. By contrast, one missing tag can affect a particular user group across many APs.

B:

Incorrect gateway changes can interrupt entire floors. The relevant technical distinction is that one missing tag can affect a particular user group across many APs.

D:

Inconsistent jumbo settings are difficult to troubleshoot after users move. It would not resolve the documented symptom; one missing tag can affect a particular user group across many APs.

Question 77

A site interconnect adds a third network closet but produces asymmetric return traffic. What is the most appropriate first technical change?

  1. Confirm addressing, routing and uplink path design in both directions
  2. Configure the intended voice VLAN, DHCP options and routed controller path
  3. Size access ports, PoE capacity and uplink bandwidth against the documented device inventory
  4. Create a verified cable, switch-port and AP-name inventory before deployment

Explanation

Correct Answer

A:

Successful forward routing does not guarantee a valid return path. A reciprocal path test identifies unexpected policy or routing asymmetry.

Incorrect Answers

B:

Voice endpoints need both correct segmentation and service discovery. By contrast, successful forward routing does not guarantee a valid return path.

C:

Physical deployment must account for client ports and powered APs. The relevant technical distinction is that successful forward routing does not guarantee a valid return path.

D:

Known physical topology prevents onboarding the wrong device to an incorrect service profile. Here, however, successful forward routing does not guarantee a valid return path.

Question 78

A site interconnect adds a third network closet but produces asymmetric return traffic. Which observation would best verify that the intended behavior is working?

  1. Confirm guest DHCP, external browsing and denied access to clinical subnets
  2. Inspect trunk allowed VLANs, client ARP and a test default-gateway ping
  3. Trace source and destination paths in both directions through the new closet
  4. Capture DHCP discovery and inspect the server's selected scope and resulting lease

Explanation

Correct Answer

C:

A reciprocal path test identifies unexpected policy or routing asymmetry. Successful forward routing does not guarantee a valid return path.

Incorrect Answers

A:

The boundary is meaningful only when both paths are tested. The relevant technical distinction is that a reciprocal path test identifies unexpected policy or routing asymmetry.

B:

These observations isolate whether frames reach the intended routed interface. In this situation, a reciprocal path test identifies unexpected policy or routing asymmetry.

D:

Packet and lease evidence tie the symptom to a specific addressing path. Here, however, a reciprocal path test identifies unexpected policy or routing asymmetry.

Question 79

A site interconnect adds a third network closet but produces asymmetric return traffic. Which belief about the configuration should the team reject?

  1. Assume enough free copper ports also means enough electrical power for all APs
  2. Assume Ethernet link-up ensures all jumbo frames can cross intermediate devices
  3. Ship devices with shared default admin credentials and assume provisioning fixes exposure later
  4. Conclude the subnet is healthy from a single one-way traceroute

Explanation

Correct Answer

D:

Forward reachability alone does not validate the return path. Successful forward routing does not guarantee a valid return path.

Incorrect Answers

A:

Port availability and PoE budget are separate design constraints. It would not resolve the documented symptom; forward reachability alone does not validate the return path.

B:

Link negotiation does not negotiate end-to-end frame size. Here, however, forward reachability alone does not validate the return path.

C:

Default credentials create risk during the bootstrap window. In this situation, forward reachability alone does not validate the return path.

Question 80

A site interconnect adds a third network closet but produces asymmetric return traffic. What should be included in the rollout plan to limit a foreseeable failure?

  1. Pilot profile assignment on a few moved devices and review negative access tests
  2. Keep a switch-port migration matrix and run one test client before moving the entire floor
  3. Test a link failure with loop-prevention settings recorded and peer-reviewed
  4. Document explicit failover routes and approved path symmetry exceptions

Explanation

Correct Answer

D:

Changes in topology can cause stateful devices to drop asymmetric flows. A reciprocal path test identifies unexpected policy or routing asymmetry.

Incorrect Answers

A:

Staged validation catches over-permissive ports before a whole-floor rollout. It would not resolve the documented symptom; changes in topology can cause stateful devices to drop asymmetric flows.

B:

A phased cutover limits outage if one port profile is wrong. In this situation, changes in topology can cause stateful devices to drop asymmetric flows.

C:

Recovery should not reintroduce a broadcast storm. By contrast, changes in topology can cause stateful devices to drop asymmetric flows.

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

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