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HP HPE7-A01 Practice Test 5

Question 40

A new residence hall requires 48 wired endpoints and six APs on a distribution closet switch. Which safeguard best reduces the deployment risk in this case?

  1. Label and test each drop and retain the as-built documentation
  2. Check guest DNS and captive-portal continuity during upstream failover
  3. Leave expansion headroom and identify redundant uplink paths before ordering switches
  4. Monitor exceptions and document device ownership and patch responsibility

Explanation

Correct Answer

C:

The closet should not require a new chassis for the first modest growth. The acceptance test must reflect peak connectivity rather than a device count alone.

Incorrect Answers

A:

Reliable records shorten later outage isolation. By contrast, the closet should not require a new chassis for the first modest growth.

B:

The guest design should remain secure when a link changes. In this situation, the closet should not require a new chassis for the first modest growth.

D:

Device inventory and access control should remain consistent after rollout. It would not resolve the documented symptom; the closet should not require a new chassis for the first modest growth.

Question 41

An operator replaces an access switch and users lose default-gateway connectivity. What is the most appropriate first technical change?

  1. Restore the correct uplink VLAN assignments and downstream gateway reachability
  2. Apply the approved AP port profile with required management and client VLAN transport
  3. Place management interfaces in an approved management VLAN or routing instance with restrictive access policy
  4. Deploy an isolated guest VLAN or role with approved internet-only policy

Explanation

Correct Answer

A:

Edge migration requires the same approved VLAN path to the L3 gateway. These observations isolate whether frames reach the intended routed interface.

Incorrect Answers

B:

Access points may need tagged network segments beyond a single untagged VLAN. It would not resolve the documented symptom; edge migration requires the same approved VLAN path to the L3 gateway.

C:

Management reachability should not share unrestricted client trust. By contrast, edge migration requires the same approved VLAN path to the L3 gateway.

D:

Shared wireless hardware need not imply shared internal reachability. The relevant technical distinction is that edge migration requires the same approved VLAN path to the L3 gateway.

Question 42

An operator replaces an access switch and users lose default-gateway connectivity. 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. Test a link failure with loop-prevention settings recorded and peer-reviewed
  3. Inspect trunk allowed VLANs, client ARP and a test default-gateway ping
  4. Design the approved VLAN-to-SVI gateway placement and required routed uplinks
  5. Restore the correct uplink VLAN assignments and downstream gateway reachability

Explanation

Correct Answers

C:

These observations isolate whether frames reach the intended routed interface. Edge migration requires the same approved VLAN path to the L3 gateway.

E:

Edge migration requires the same approved VLAN path to the L3 gateway. These observations isolate whether frames reach the intended routed interface.

Incorrect Answers

A:

Physical deployment must account for client ports and powered APs. Here, however, edge migration requires the same approved VLAN path to the L3 gateway.

B:

Recovery should not reintroduce a broadcast storm. The relevant technical distinction is that a phased cutover limits outage if one port profile is wrong.

D:

Gateway location determines broadcast boundaries and first-hop reachability. By contrast, edge migration requires the same approved VLAN path to the L3 gateway.

Question 43

An operator replaces an access switch and users lose default-gateway connectivity. Which belief about the configuration should the team reject?

  1. Assume client web browsing proves management-plane DNS and NTP are healthy
  2. Treat a successful PoE negotiation as evidence the phone has the correct voice configuration
  3. Assume Ethernet link-up ensures all jumbo frames can cross intermediate devices
  4. Assume matching switch hostnames automatically restore production VLAN configurations

Explanation

Correct Answer

D:

A label does not recreate port profiles or allowed tags. Edge migration requires the same approved VLAN path to the L3 gateway.

Incorrect Answers

A:

Network-device source routing and ACLs can differ from users' traffic. In this situation, a label does not recreate port profiles or allowed tags.

B:

Power delivery is distinct from addressing and registration. Here, however, a label does not recreate port profiles or allowed tags.

C:

Link negotiation does not negotiate end-to-end frame size. The relevant technical distinction is that a label does not recreate port profiles or allowed tags.

Question 44

An operator replaces an access switch and users lose default-gateway connectivity. What should be included in the rollout plan to limit a foreseeable failure?

  1. Monitor upstream service availability and protect time-source authenticity
  2. Keep a switch-port migration matrix and run one test client before moving the entire floor
  3. Document explicit failover routes and approved path symmetry exceptions
  4. Document an approved MTU value and rollback when the path includes third-party equipment

Explanation

Correct Answer

B:

A phased cutover limits outage if one port profile is wrong. These observations isolate whether frames reach the intended routed interface.

Incorrect Answers

A:

Incorrect time can break certificates and audit trails. It would not resolve the documented symptom; a phased cutover limits outage if one port profile is wrong.

C:

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

D:

Inconsistent jumbo settings are difficult to troubleshoot after users move. Here, however, a phased cutover limits outage if one port profile is wrong.

Question 45

A branch campus needs an isolated management subnet for switches and APs. What should the network engineer do to address this requirement?

  1. Restore the correct uplink VLAN assignments and downstream gateway reachability
  2. Create a dedicated IoT segment with a narrow outbound access policy
  3. Use the organization's supported secure onboarding and configuration-management process
  4. Place management interfaces in an approved management VLAN or routing instance with restrictive access policy

Explanation

Correct Answer

D:

Management reachability should not share unrestricted client trust. Both allowed and denied probes verify separation.

Incorrect Answers

A:

Edge migration requires the same approved VLAN path to the L3 gateway. In this situation, management reachability should not share unrestricted client trust.

B:

Restricted reachability limits risk from unmanaged endpoints. By contrast, management reachability should not share unrestricted client trust.

C:

Repeatable enrollment can apply the correct template after device identity is verified. It would not resolve the documented symptom; management reachability should not share unrestricted client trust.

Question 46

A branch campus needs an isolated management subnet for switches and APs. What should the team inspect to confirm the result?

  1. Confirm authorized NOC access and deny ordinary user traffic to management endpoints
  2. Check device registration, expected software level and effective port configuration
  3. Match LLDP neighbors and switch port IDs to each installed AP in the inventory
  4. Compare interface error rates and utilization on the full client path

Explanation

Correct Answer

A:

Both allowed and denied probes verify separation. Management reachability should not share unrestricted client trust.

Incorrect Answers

B:

A powered-up device may not yet have received its authorized profile. The relevant technical distinction is that both allowed and denied probes verify separation.

C:

Neighbor discovery confirms actual placement rather than planned locations. By contrast, both allowed and denied probes verify separation.

D:

End-to-end counters reveal whether the upgraded link is actually the limiting segment. It would not resolve the documented symptom; both allowed and denied probes verify separation.

Question 47

A branch campus needs an isolated management subnet for switches and APs. Which misconception is most likely to obstruct a correct fix?

  1. Ship devices with shared default admin credentials and assume provisioning fixes exposure later
  2. Assume a floor-plan marker always reflects the AP's connected switch port
  3. Assume Ethernet link-up ensures all jumbo frames can cross intermediate devices
  4. Expose switch web-management interfaces on every user VLAN to simplify support

Explanation

Correct Answer

D:

Broad administration exposure increases attack surface. Management reachability should not share unrestricted client trust.

Incorrect Answers

A:

Default credentials create risk during the bootstrap window. By contrast, broad administration exposure increases attack surface.

B:

Cabling moves can invalidate drawings while the AP stays physically mounted. The relevant technical distinction is that broad administration exposure increases attack surface.

C:

Link negotiation does not negotiate end-to-end frame size. Here, however, broad administration exposure increases attack surface.

Question 48

A branch campus needs an isolated management subnet for switches and APs. What precaution is most important before the change is expanded?

  1. Benchmark a representative workload before and after the upgrade
  2. Pilot one AP with each expected SSID before cloning the profile
  3. Document recovery access when management routing fails
  4. Label and test each drop and retain the as-built documentation

Explanation

Correct Answer

C:

Isolation should not prevent authorized emergency repair. Both allowed and denied probes verify separation.

Incorrect Answers

A:

Comparable traffic baselines make performance claims defensible. In this situation, isolation should not prevent authorized emergency repair.

B:

One missing tag can affect a particular user group across many APs. Here, however, isolation should not prevent authorized emergency repair.

D:

Reliable records shorten later outage isolation. The relevant technical distinction is that isolation should not prevent authorized emergency repair.

Question 49

A library adds APs across several floors but the network cable plan lacks patch-panel mapping. Which configuration decision most directly resolves the situation?

  1. Create a dedicated IoT segment with a narrow outbound access policy
  2. Create a verified cable, switch-port and AP-name inventory before deployment
  3. Size access ports, PoE capacity and uplink bandwidth against the documented device inventory
  4. Confirm addressing, routing and uplink path design in both directions

Explanation

Correct Answer

B:

Known physical topology prevents onboarding the wrong device to an incorrect service profile. Neighbor discovery confirms actual placement rather than planned locations.

Incorrect Answers

A:

Restricted reachability limits risk from unmanaged endpoints. Here, however, known physical topology prevents onboarding the wrong device to an incorrect service profile.

C:

Physical deployment must account for client ports and powered APs. It would not resolve the documented symptom; known physical topology prevents onboarding the wrong device to an incorrect service profile.

D:

Successful forward routing does not guarantee a valid return path. In this situation, known physical topology prevents onboarding the wrong device to an incorrect service profile.

Question 50

A library adds APs across several floors but the network cable plan lacks patch-panel mapping. Which check most directly demonstrates the desired network behavior?

  1. Confirm guest DHCP, external browsing and denied access to clinical subnets
  2. Inspect client IPv6 address, default router and a routed IPv6 test session
  3. Confirm authorized NOC access and deny ordinary user traffic to management endpoints
  4. Match LLDP neighbors and switch port IDs to each installed AP in the inventory

Explanation

Correct Answer

D:

Neighbor discovery confirms actual placement rather than planned locations. Known physical topology prevents onboarding the wrong device to an incorrect service profile.

Incorrect Answers

A:

The boundary is meaningful only when both paths are tested. In this situation, neighbor discovery confirms actual placement rather than planned locations.

B:

An IPv4 ping says nothing about native IPv6 operation. By contrast, neighbor discovery confirms actual placement rather than planned locations.

C:

Both allowed and denied probes verify separation. It would not resolve the documented symptom; neighbor discovery confirms actual placement rather than planned locations.

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

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