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Exam Code: HPE7-A01

Exam Name HPE Network Campus Access Professional

Certification Provider: HP

Corresponding Certification: HPE Aruba Networking Certified Professional - Campus Access

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HP HPE7-A01 Practice Test 27

Question 260

During a planned campus-network change at a public library in Portland, operators discover that a new bridge with a superior bridge ID displaces the planned distribution-layer STP root. The design must preserve staff and visitor wireless access. Which post-change observation is the strongest acceptance evidence?

  1. Authorized lease responses pass from the approved server while a test rogue server on an edge port is blocked
  2. Expected root and blocked/forwarding port roles appear without persistent topology flaps or broadcast storms
  3. Endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally
  4. Positive and negative flow tests prove only authorized source, destination and service tuples pass

Explanation

Correct Answer

B:

This observation tests the RSTP root election and loop prevention requirement at a public library in Portland. The expected result is that expected root and blocked/forwarding port roles appear without persistent topology flaps or broadcast storms. The necessary correction is to designate the intended spanning-tree root and validate port roles, priorities and topology-change information before enabling alternate links; a saved configuration alone would not prove it is working. In this case, the observed fault is that a new bridge with a superior bridge ID displaces the planned distribution-layer STP root.

Incorrect Answers

A:

At a public library in Portland, the observation may be useful for a separate DHCP snooping and rogue DHCP protection test, but it does not establish that a new bridge with a superior bridge ID displaces the planned distribution-layer STP root has been resolved. The relevant check is the RSTP root election and loop prevention outcome.

C:

At a public library in Portland, this would verify Layer-two edge protection and BPDU controls, not the failure reported in this scenario. The requested closure criterion instead concerns RSTP root election and loop prevention: expected root and blocked/forwarding port roles appear without persistent topology flaps or broadcast storms.

D:

At a public library in Portland, the observation may be useful for a separate Ingress ACL enforcement and least privilege test, but it does not establish that a new bridge with a superior bridge ID displaces the planned distribution-layer STP root has been resolved. The relevant check is the RSTP root election and loop prevention outcome.

Question 261

At a regional hospital campus in Richmond, engineers report that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs. The work affects clinical scheduling and bedside devices. Which implementation choice meets this requirement without broadening access?

  1. Designate the intended spanning-tree root and validate port roles, priorities and topology-change information before enabling alternate links
  2. Apply the correctly ordered VLAN or interface ACL at the intended ingress boundary with specific permitted and denied traffic
  3. Apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks
  4. Enable DHCP snooping where supported and trust only the genuine server-facing uplink, retaining clients as untrusted

Explanation

Correct Answer

C:

The crucial symptom at a regional hospital campus in Richmond is that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs. The best response is to apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks. Confirm success by checking that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

Incorrect Answers

A:

Although this is a valid design approach for RSTP root election and loop prevention in an appropriate case, it leaves the Layer-two edge protection and BPDU controls dependency untested. The observed condition at a regional hospital campus in Richmond is that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs.

B:

At a regional hospital campus in Richmond, the option addresses Ingress ACL enforcement and least privilege rather than the reported issue. For the stated symptom, the expected evidence is that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

D:

Although this is a valid design approach for DHCP snooping and rogue DHCP protection in an appropriate case, it leaves the Layer-two edge protection and BPDU controls dependency untested. The observed condition at a regional hospital campus in Richmond is that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs.

Question 262

At a regional hospital campus in Richmond, engineers report that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs. The work affects clinical scheduling and bedside devices. Which test result most directly confirms the required behavior?

  1. Endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally
  2. Tagged and untagged test frames enter their intended VLANs on both ends and unauthorized VLANs are not carried
  3. Authorized lease responses pass from the approved server while a test rogue server on an edge port is blocked
  4. Expected root and blocked/forwarding port roles appear without persistent topology flaps or broadcast storms

Explanation

Correct Answer

A:

This observation tests the Layer-two edge protection and BPDU controls requirement at a regional hospital campus in Richmond. The expected result is that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally. The necessary correction is to apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks; a saved configuration alone would not prove it is working. In this case, the observed fault is that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs.

Incorrect Answers

B:

At a regional hospital campus in Richmond, this would verify VLAN trunk and native VLAN consistency, not the failure reported in this scenario. The requested closure criterion instead concerns Layer-two edge protection and BPDU controls: endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

C:

At a regional hospital campus in Richmond, the observation may be useful for a separate DHCP snooping and rogue DHCP protection test, but it does not establish that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs has been resolved. The relevant check is the Layer-two edge protection and BPDU controls outcome.

D:

At a regional hospital campus in Richmond, this measures a different network requirement, RSTP root election and loop prevention. The case describes that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs, so accepting this result would leave the primary fault without direct verification.

Question 263

During a planned campus-network change at a hotel campus in Vancouver, operators discover that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs. The design must preserve guest access and property operations. What configuration or diagnostic step is the best next move?

  1. Align LACP mode, speed, member selection and VLAN parameters across both aggregation endpoints
  2. Designate the intended spanning-tree root and validate port roles, priorities and topology-change information before enabling alternate links
  3. Apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks
  4. Create and validate the SVI on the correct VLAN with appropriate IP addressing, routing and permitted cross-VLAN policy

Explanation

Correct Answer

C:

The crucial symptom at a hotel campus in Vancouver is that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs. The best response is to apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks. Confirm success by checking that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

Incorrect Answers

A:

Although this is a valid design approach for LACP aggregation and member consistency in an appropriate case, it leaves the Layer-two edge protection and BPDU controls dependency untested. The observed condition at a hotel campus in Vancouver is that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs.

B:

At a hotel campus in Vancouver, the option addresses RSTP root election and loop prevention rather than the reported issue. For the stated symptom, the expected evidence is that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

D:

Although this is a valid design approach for SVI gateway and inter-VLAN reachability in an appropriate case, it leaves the Layer-two edge protection and BPDU controls dependency untested. The observed condition at a hotel campus in Vancouver is that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs.

Question 264

During a planned campus-network change at a hotel campus in Vancouver, operators discover that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs. The design must preserve guest access and property operations. What evidence should the engineer request after the repair?

  1. Authorized lease responses pass from the approved server while a test rogue server on an edge port is blocked
  2. Endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally
  3. Positive and negative flow tests prove only authorized source, destination and service tuples pass
  4. The intended active members participate in one operational LAG and a single member loss does not interrupt the logical interface

Explanation

Correct Answer

B:

This observation tests the Layer-two edge protection and BPDU controls requirement at a hotel campus in Vancouver. The expected result is that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally. The necessary correction is to apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks; a saved configuration alone would not prove it is working. In this case, the observed fault is that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs.

Incorrect Answers

A:

At a hotel campus in Vancouver, this measures a different network requirement, DHCP snooping and rogue DHCP protection. The case describes that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs, so accepting this result would leave the primary fault without direct verification.

C:

At a hotel campus in Vancouver, the observation may be useful for a separate Ingress ACL enforcement and least privilege test, but it does not establish that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs has been resolved. The relevant check is the Layer-two edge protection and BPDU controls outcome.

D:

At a hotel campus in Vancouver, this measures a different network requirement, LACP aggregation and member consistency. The case describes that a user plugs an unmanaged switch into an edge port and causes unexpected BPDUs, so accepting this result would leave the primary fault without direct verification.

Question 265

At a manufacturing complex in Detroit, engineers report that an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone. The work affects production and maintenance endpoints. Which change most directly addresses the stated failure?

  1. Create and validate the SVI on the correct VLAN with appropriate IP addressing, routing and permitted cross-VLAN policy
  2. Match the switchport tagging, native VLAN and allowed VLAN list on each end of the campus trunk
  3. Apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks
  4. Align LACP mode, speed, member selection and VLAN parameters across both aggregation endpoints

Explanation

Correct Answer

C:

The crucial symptom at a manufacturing complex in Detroit is that an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone. The best response is to apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks. Confirm success by checking that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

Incorrect Answers

A:

At a manufacturing complex in Detroit, the option addresses SVI gateway and inter-VLAN reachability rather than the reported issue. For the stated symptom, the expected evidence is that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

B:

At a manufacturing complex in Detroit, that change is aimed at VLAN trunk and native VLAN consistency, not at the actual fault: an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone. A successful repair here must show that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

D:

At a manufacturing complex in Detroit, the option addresses LACP aggregation and member consistency rather than the reported issue. For the stated symptom, the expected evidence is that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

Question 266

At a manufacturing complex in Detroit, engineers report that an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone. The work affects production and maintenance endpoints. Which post-change observation is the strongest acceptance evidence?

  1. Tagged and untagged test frames enter their intended VLANs on both ends and unauthorized VLANs are not carried
  2. Expected root and blocked/forwarding port roles appear without persistent topology flaps or broadcast storms
  3. Endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally
  4. Clients in each subnet reach their local gateway and only the authorized inter-VLAN flows succeed

Explanation

Correct Answer

C:

This observation tests the Layer-two edge protection and BPDU controls requirement at a manufacturing complex in Detroit. The expected result is that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally. The necessary correction is to apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks; a saved configuration alone would not prove it is working. In this case, the observed fault is that an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone.

Incorrect Answers

A:

At a manufacturing complex in Detroit, this would verify VLAN trunk and native VLAN consistency, not the failure reported in this scenario. The requested closure criterion instead concerns Layer-two edge protection and BPDU controls: endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

B:

At a manufacturing complex in Detroit, the observation may be useful for a separate RSTP root election and loop prevention test, but it does not establish that an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone has been resolved. The relevant check is the Layer-two edge protection and BPDU controls outcome.

D:

At a manufacturing complex in Detroit, this would verify SVI gateway and inter-VLAN reachability, not the failure reported in this scenario. The requested closure criterion instead concerns Layer-two edge protection and BPDU controls: endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

Question 267

During a planned campus-network change at a public safety training center in Oslo, operators discover that an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone. The design must preserve learning simulations and voice services. Which implementation choice meets this requirement without broadening access?

  1. Apply the correctly ordered VLAN or interface ACL at the intended ingress boundary with specific permitted and denied traffic
  2. Designate the intended spanning-tree root and validate port roles, priorities and topology-change information before enabling alternate links
  3. Align LACP mode, speed, member selection and VLAN parameters across both aggregation endpoints
  4. Apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks

Explanation

Correct Answer

D:

The crucial symptom at a public safety training center in Oslo is that an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone. The best response is to apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks. Confirm success by checking that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

Incorrect Answers

A:

At a public safety training center in Oslo, the option addresses Ingress ACL enforcement and least privilege rather than the reported issue. For the stated symptom, the expected evidence is that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

B:

At a public safety training center in Oslo, that change is aimed at RSTP root election and loop prevention, not at the actual fault: an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone. A successful repair here must show that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

C:

Although this is a valid design approach for LACP aggregation and member consistency in an appropriate case, it leaves the Layer-two edge protection and BPDU controls dependency untested. The observed condition at a public safety training center in Oslo is that an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone.

Question 268

During a planned campus-network change at a public safety training center in Oslo, operators discover that an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone. The design must preserve learning simulations and voice services. Which test result most directly confirms the required behavior?

  1. Authorized lease responses pass from the approved server while a test rogue server on an edge port is blocked
  2. Positive and negative flow tests prove only authorized source, destination and service tuples pass
  3. Endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally
  4. Tagged and untagged test frames enter their intended VLANs on both ends and unauthorized VLANs are not carried

Explanation

Correct Answer

C:

This observation tests the Layer-two edge protection and BPDU controls requirement at a public safety training center in Oslo. The expected result is that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally. The necessary correction is to apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks; a saved configuration alone would not prove it is working. In this case, the observed fault is that an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone.

Incorrect Answers

A:

At a public safety training center in Oslo, this would verify DHCP snooping and rogue DHCP protection, not the failure reported in this scenario. The requested closure criterion instead concerns Layer-two edge protection and BPDU controls: endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

B:

At a public safety training center in Oslo, the observation may be useful for a separate Ingress ACL enforcement and least privilege test, but it does not establish that an engineer enables edge-only BPDU protection on a legitimate distribution interconnect and disables the backbone has been resolved. The relevant check is the Layer-two edge protection and BPDU controls outcome.

D:

At a public safety training center in Oslo, this would verify VLAN trunk and native VLAN consistency, not the failure reported in this scenario. The requested closure criterion instead concerns Layer-two edge protection and BPDU controls: endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

Question 269

At a design studio in Berlin, engineers report that a temporary lab bridge takes over root selection from an access-port connection. The work affects wireless workstations and video conferences. What configuration or diagnostic step is the best next move?

  1. Apply the correctly ordered VLAN or interface ACL at the intended ingress boundary with specific permitted and denied traffic
  2. Match the switchport tagging, native VLAN and allowed VLAN list on each end of the campus trunk
  3. Create and validate the SVI on the correct VLAN with appropriate IP addressing, routing and permitted cross-VLAN policy
  4. Apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks

Explanation

Correct Answer

D:

The crucial symptom at a design studio in Berlin is that a temporary lab bridge takes over root selection from an access-port connection. The best response is to apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks. Confirm success by checking that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

Incorrect Answers

A:

At a design studio in Berlin, that change is aimed at Ingress ACL enforcement and least privilege, not at the actual fault: a temporary lab bridge takes over root selection from an access-port connection. A successful repair here must show that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

B:

Although this is a valid design approach for VLAN trunk and native VLAN consistency in an appropriate case, it leaves the Layer-two edge protection and BPDU controls dependency untested. The observed condition at a design studio in Berlin is that a temporary lab bridge takes over root selection from an access-port connection.

C:

At a design studio in Berlin, the option addresses SVI gateway and inter-VLAN reachability rather than the reported issue. For the stated symptom, the expected evidence is that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.

Question 270

At a design studio in Berlin, engineers report that a temporary lab bridge takes over root selection from an access-port connection. The work affects wireless workstations and video conferences. What evidence should the engineer request after the repair?

  1. The intended active members participate in one operational LAG and a single member loss does not interrupt the logical interface
  2. Tagged and untagged test frames enter their intended VLANs on both ends and unauthorized VLANs are not carried
  3. Authorized lease responses pass from the approved server while a test rogue server on an edge port is blocked
  4. Endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally

Explanation

Correct Answer

D:

This observation tests the Layer-two edge protection and BPDU controls requirement at a design studio in Berlin. The expected result is that endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally. The necessary correction is to apply appropriate edge-port STP protections and restrict unapproved downstream switching devices without blocking intended uplinks; a saved configuration alone would not prove it is working. In this case, the observed fault is that a temporary lab bridge takes over root selection from an access-port connection.

Incorrect Answers

A:

At a design studio in Berlin, the observation may be useful for a separate LACP aggregation and member consistency test, but it does not establish that a temporary lab bridge takes over root selection from an access-port connection has been resolved. The relevant check is the Layer-two edge protection and BPDU controls outcome.

B:

At a design studio in Berlin, this measures a different network requirement, VLAN trunk and native VLAN consistency. The case describes that a temporary lab bridge takes over root selection from an access-port connection, so accepting this result would leave the primary fault without direct verification.

C:

At a design studio in Berlin, this would verify DHCP snooping and rogue DHCP protection, not the failure reported in this scenario. The requested closure criterion instead concerns Layer-two edge protection and BPDU controls: endpoint ports avoid introducing a bridge loop while legitimate inter-switch links continue exchanging BPDUs normally.