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HP HPE7-A01 Practice Test 24

Question 230

A distribution switch needs a shared logical uplink while a peer advertises a different LACP system identity. Which check most directly demonstrates the desired network behavior?

  1. Inspect LACP actor and partner identifiers and active collector/distributor flags
  2. Measure broadcast utilization and user performance before and after moving a pilot subnet
  3. Measure link-up to DHCP timing and ensure no bridge neighbor is attached
  4. Compare member interface state and MAC learning for affected versus working VLANs

Explanation

Correct Answer

A:

Protocol details show why one member was excluded. A valid partner identity is required for expected bundle membership.

Incorrect Answers

B:

Improved L2 containment should produce measurable results. By contrast, protocol details show why one member was excluded.

C:

The optimization is safe only for genuine edge ports. It would not resolve the documented symptom; protocol details show why one member was excluded.

D:

Focused comparison reveals the local forwarding defect. In this situation, protocol details show why one member was excluded.

Question 231

A distribution switch needs a shared logical uplink while a peer advertises a different LACP system identity. Which assumption would be most misleading when investigating this situation?

  1. Mark every user edge port trusted to prevent DHCP failures
  2. Assume two independent switches can always masquerade as one ordinary LAG peer
  3. Repeatedly re-enable the port while ignoring the arriving BPDUs
  4. Rewrite the dynamic routing configuration before checking the link medium

Explanation

Correct Answer

B:

Without a supported MC-LAG design the partner identities may conflict. A valid partner identity is required for expected bundle membership.

Incorrect Answers

A:

Trusting user ports defeats the rogue-server protection. It would not resolve the documented symptom; without a supported MC-LAG design the partner identities may conflict.

C:

The loop risk remains until the topology or port role changes. The relevant technical distinction is that without a supported MC-LAG design the partner identities may conflict.

D:

Routing cannot repair corrupted Ethernet frames. By contrast, without a supported MC-LAG design the partner identities may conflict.

Question 232

A distribution switch needs a shared logical uplink while a peer advertises a different LACP system identity. Which safeguard best reduces the deployment risk in this case?

  1. Stage subnet/DHCP changes alongside network segmentation
  2. Provide static binding handling for approved non-DHCP hosts
  3. Test one cable or peer failure before moving production traffic
  4. Check that no sensitive campus VLANs remain allowed on the handoff

Explanation

Correct Answer

C:

A bundle that works only in normal conditions offers poor resilience. Protocol details show why one member was excluded.

Incorrect Answers

A:

A routing redesign requires addressing and policy coordination. The relevant technical distinction is that a bundle that works only in normal conditions offers poor resilience.

B:

Static devices can otherwise be blocked by binding-based inspection. Here, however, a bundle that works only in normal conditions offers poor resilience.

D:

L3 handoffs should not unintentionally bridge client segments. By contrast, a bundle that works only in normal conditions offers poor resilience.

Question 233

A switch is configured with a native VLAN change and the access point management plane disappears. What is the most appropriate first technical change?

  1. Restrict the trunk allowed-VLAN list and correct access-port membership
  2. Align LACP active/passive modes and bundle membership on both endpoints
  3. Restore the intended untagged VLAN or explicit tagged management transport
  4. Map the supported interface identifiers to the intended patch-panel ports before applying configuration

Explanation

Correct Answer

C:

Untagged management frames must land in the proper VLAN at both link ends. Packet tagging reveals which VLAN actually carries the traffic.

Incorrect Answers

A:

VLAN propagation should follow approved segmentation rather than every available tag. Here, however, untagged management frames must land in the proper VLAN at both link ends.

B:

Negotiation and common aggregation parameters are needed for a functional LAG. In this situation, untagged management frames must land in the proper VLAN at both link ends.

D:

A valid port label on one platform may refer to a different port on another. The relevant technical distinction is that untagged management frames must land in the proper VLAN at both link ends.

Question 234

A switch is configured with a native VLAN change and the access point management plane disappears. Which observation would best verify that the intended behavior is working?

  1. Inspect active members, hashed session paths and tagged-frame counters under load
  2. Connect an authorized phone and PC, then a third test device, and observe violation behavior
  3. Capture management frames and compare VLAN status on switch and AP
  4. Inspect snooping bindings and confirm test rogue offers are blocked while valid leases work

Explanation

Correct Answer

C:

Packet tagging reveals which VLAN actually carries the traffic. Untagged management frames must land in the proper VLAN at both link ends.

Incorrect Answers

A:

Per-member evidence helps isolate a bad link or mismatch. In this situation, packet tagging reveals which VLAN actually carries the traffic.

B:

Both acceptance and rejection establish the effective limit. Here, however, packet tagging reveals which VLAN actually carries the traffic.

D:

The control must block the rogue source without breaking real DHCP. It would not resolve the documented symptom; packet tagging reveals which VLAN actually carries the traffic.

Question 235

A switch is configured with a native VLAN change and the access point management plane disappears. Which belief about the configuration should the team reject?

  1. Assume AP management remains accessible because wireless client VLANs still pass
  2. Enable IPv4 DHCP snooping and assume IPv6 RAs are controlled automatically
  3. Paste old port commands without reviewing platform port layout or supported syntax
  4. Raise every uplink speed without examining oversized broadcast-domain design

Explanation

Correct Answer

A:

Control and data networks can have different tags. Untagged management frames must land in the proper VLAN at both link ends.

Incorrect Answers

B:

IPv4 DHCP security does not validate IPv6 router advertisements. It would not resolve the documented symptom; control and data networks can have different tags.

C:

Blind migrations can apply uplink settings to user interfaces. By contrast, control and data networks can have different tags.

D:

More bandwidth alone does not correct excess flooding scope. In this situation, control and data networks can have different tags.

Question 236

A switch is configured with a native VLAN change and the access point management plane disappears. What should be included in the rollout plan to limit a foreseeable failure?

  1. Run a representative endpoint connectivity test and preserve rollback of the port profile
  2. Document known exceptions such as docks and replacement NICs
  3. Stage native-VLAN changes with console or out-of-band recovery ready
  4. Limit multicast to intended receivers and test one source leaving the network

Explanation

Correct Answer

C:

A trunk error can lock out remote management. Packet tagging reveals which VLAN actually carries the traffic.

Incorrect Answers

A:

One device can expose a mapping error before a whole row of ports moves. By contrast, a trunk error can lock out remote management.

B:

Asset changes need a controlled authorization path. The relevant technical distinction is that a trunk error can lock out remote management.

D:

Uncontrolled multicast can consume shared uplink capacity. It would not resolve the documented symptom; a trunk error can lock out remote management.

Question 237

A university deployment needs to support multicast classroom video across several routed VLANs. What should the network engineer do to address this requirement?

  1. Enable supported port-security or MAC-limit behavior consistent with a phone-plus-PC profile
  2. Plan the supported IGMP snooping and routed multicast control design
  3. Use validated DHCP snooping bindings with dynamic ARP inspection where supported
  4. Configure the trunk native VLAN and allowed tagged VLAN list consistently at both ends

Explanation

Correct Answer

B:

Layer 2 listener awareness and Layer 3 multicast forwarding are different functions. Membership alone does not prove end-to-end multicast delivery.

Incorrect Answers

A:

The limit should accommodate approved devices while blocking unplanned bridging. Here, however, layer 2 listener awareness and Layer 3 multicast forwarding are different functions.

C:

A binding table can be used to reject forged address-to-MAC claims. The relevant technical distinction is that layer 2 listener awareness and Layer 3 multicast forwarding are different functions.

D:

Proper tagging preserves the intended separation across the uplink. By contrast, layer 2 listener awareness and Layer 3 multicast forwarding are different functions.

Question 238

A university deployment needs to support multicast classroom video across several routed VLANs. What should the team inspect to confirm the result?

  1. Inspect snooping bindings and confirm test rogue offers are blocked while valid leases work
  2. Review partner system IDs, LACP member status and interface error counters
  3. Compare multiple distinct flows and member byte counters under load
  4. Check receiver joins, multicast routing state and per-VLAN forwarding

Explanation

Correct Answer

D:

Membership alone does not prove end-to-end multicast delivery. Layer 2 listener awareness and Layer 3 multicast forwarding are different functions.

Incorrect Answers

A:

The control must block the rogue source without breaking real DHCP. The relevant technical distinction is that membership alone does not prove end-to-end multicast delivery.

B:

Protocol state distinguishes incompatible bundling from a physical fault. Here, however, membership alone does not prove end-to-end multicast delivery.

C:

Flow diversity reveals whether traffic balancing is occurring. In this situation, membership alone does not prove end-to-end multicast delivery.

Question 239

A university deployment needs to support multicast classroom video across several routed VLANs. Which TWO actions together implement the required change and verify that it works? Choose TWO.

  1. Enable supported port-security or MAC-limit behavior consistent with a phone-plus-PC profile
  2. Plan the supported IGMP snooping and routed multicast control design
  3. Keep a verified VLAN provisioning checklist across access and aggregation devices
  4. Remove unused VLAN membership after validating dependencies and routing
  5. Check receiver joins, multicast routing state and per-VLAN forwarding

Explanation

Correct Answers

B:

Layer 2 listener awareness and Layer 3 multicast forwarding are different functions. Membership alone does not prove end-to-end multicast delivery.

E:

Membership alone does not prove end-to-end multicast delivery. Layer 2 listener awareness and Layer 3 multicast forwarding are different functions.

Incorrect Answers

A:

The limit should accommodate approved devices while blocking unplanned bridging. It would not resolve the documented symptom; layer 2 listener awareness and Layer 3 multicast forwarding are different functions.

C:

A single incomplete configuration step can isolate a floor. In this situation, uncontrolled multicast can consume shared uplink capacity.

D:

Retiring dormant segments reduces accidental reachability and operational confusion. Here, however, layer 2 listener awareness and Layer 3 multicast forwarding are different functions.

Question 240

A university deployment needs to support multicast classroom video across several routed VLANs. What precaution is most important before the change is expanded?

  1. Size bundles for realistic traffic patterns and surviving member capacity
  2. Limit multicast to intended receivers and test one source leaving the network
  3. Record the faulted patch-port and confirm the cable path meets distance requirements
  4. Validate identical speed and native VLAN assumptions before putting the bundle into service

Explanation

Correct Answer

B:

Uncontrolled multicast can consume shared uplink capacity. Membership alone does not prove end-to-end multicast delivery.

Incorrect Answers

A:

Aggregate advertised rate does not guarantee every individual application's speed. By contrast, uncontrolled multicast can consume shared uplink capacity.

C:

Recurring bad media should not be treated as a software mystery. In this situation, uncontrolled multicast can consume shared uplink capacity.

D:

A LAG with mismatched port behavior can disrupt multiple VLANs. It would not resolve the documented symptom; uncontrolled multicast can consume shared uplink capacity.

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

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