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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 2

Question 10

A floor switch connects APs but the uplink passes only the native VLAN while employee and voice SSIDs use tagged VLANs. Which immediate engineering change most directly addresses this issue?

  1. Correct the resolver configuration or stale DNS record and validate reachability to the current NAC service endpoint.
  2. Reassign the device to the correct authorized organization or subscription inventory and then retry management attachment.
  3. Restore mutually supported auto-negotiation or a jointly supported fixed link mode.
  4. Permit the required SSID VLAN IDs on the trunk and match native VLAN expectations on each side.

Explanation

Correct Answer

D:

The underlying issue is that the trunk's allowed-VLAN list excludes the tagged client networks. This intervention addresses that cause directly. A useful result to confirm is: tagged client frames pass the uplink on their intended VLANs without native-VLAN leakage.

Incorrect Answers

A:

This is suited to a different condition, such as when a campus uses a highly available DNS name for the NAC service, yet one site resolves an obsolete server address. The reported fault instead arises because the trunk's allowed-VLAN list excludes the tagged client networks.

B:

This is suited to a different condition, such as when a newly added downstream stack is reachable by ping but cannot complete Central group onboarding because it appears under the wrong tenant. The reported fault instead arises because the trunk's allowed-VLAN list excludes the tagged client networks.

C:

This is suited to a different condition, such as when an IoT reader operates only at 100 Mbps, while the switch port is forced to a gigabit-only setting. The reported fault instead arises because the trunk's allowed-VLAN list excludes the tagged client networks.

Question 11

An AP in a new building gets an IP address but discovers no management controller where the design uses controller discovery. Which immediate engineering change most directly addresses this issue?

  1. Check the advertised voice VLAN policy and phone or switch support for the chosen discovery mechanism.
  2. Configure the appropriate supported discovery mechanism and validate IP reachability to the intended controller.
  3. Restore mutually supported auto-negotiation or a jointly supported fixed link mode.
  4. Enable the intended interface after verifying its port role and safe connection policy.

Explanation

Correct Answer

B:

The underlying issue is that DHCP allocation alone does not provide controller discovery or controller-route reachability. This intervention addresses that cause directly. A useful result to confirm is: the AP discovers the correct controller and establishes its expected management session.

Incorrect Answers

A:

This is suited to a different condition, such as when a VoIP handset receives power from an access switch but lands in the data VLAN rather than its intended voice VLAN. The reported fault instead arises because DHCP allocation alone does not provide controller discovery or controller-route reachability.

C:

This is suited to a different condition, such as when an IoT reader operates only at 100 Mbps, while the switch port is forced to a gigabit-only setting. The reported fault instead arises because DHCP allocation alone does not provide controller discovery or controller-route reachability.

D:

This is suited to a different condition, such as when an endpoint sees physical carrier on an Aruba CX port but the administrator configured the port administratively disabled. The reported fault instead arises because DHCP allocation alone does not provide controller discovery or controller-route reachability.

Question 12

A floor switch responds on the out-of-band management port, but traffic sourced from its default VRF cannot reach the telemetry server. Which immediate engineering change most directly addresses this issue?

  1. Configure the approved route and egress interface in the actual source VRF for telemetry.
  2. Reassign the device to the correct authorized organization or subscription inventory and then retry management attachment.
  3. Set the access interface's untagged VLAN and port mode to the approved endpoint network.
  4. Restore mutually supported auto-negotiation or a jointly supported fixed link mode.

Explanation

Correct Answer

A:

The underlying issue is that the management and default VRFs maintain separate forwarding tables. This intervention addresses that cause directly. A useful result to confirm is: telemetry connections succeed when originated from the correct VRF and address.

Incorrect Answers

B:

This is suited to a different condition, such as when a newly added downstream stack is reachable by ping but cannot complete Central group onboarding because it appears under the wrong tenant. The reported fault instead arises because the management and default VRFs maintain separate forwarding tables.

C:

This is suited to a different condition, such as when a central services VLAN is on the approved trunk but a new access port uses a mismatched untagged VLAN. The reported fault instead arises because the management and default VRFs maintain separate forwarding tables.

D:

This is suited to a different condition, such as when an IoT reader operates only at 100 Mbps, while the switch port is forced to a gigabit-only setting. The reported fault instead arises because the management and default VRFs maintain separate forwarding tables.

Question 13

A wireless building is connected to the core but a user VLAN is mapped inconsistently between the SSID profile and switch trunk. Which immediate engineering change most directly addresses this issue?

  1. Align the SSID VLAN assignment with an existing permitted VLAN and its routed gateway.
  2. Correct the resolver configuration or stale DNS record and validate reachability to the current NAC service endpoint.
  3. Reassign the device to the correct authorized organization or subscription inventory and then retry management attachment.
  4. Set the access interface's untagged VLAN and port mode to the approved endpoint network.

Explanation

Correct Answer

A:

The underlying issue is that the wireless access edge assigns clients to a VLAN that is missing from the intended wired transport. This intervention addresses that cause directly. A useful result to confirm is: clients associate, acquire correct addressing and reach approved destinations on the expected VLAN.

Incorrect Answers

B:

This is suited to a different condition, such as when a campus uses a highly available DNS name for the NAC service, yet one site resolves an obsolete server address. The reported fault instead arises because the wireless access edge assigns clients to a VLAN that is missing from the intended wired transport.

C:

This is suited to a different condition, such as when a newly added downstream stack is reachable by ping but cannot complete Central group onboarding because it appears under the wrong tenant. The reported fault instead arises because the wireless access edge assigns clients to a VLAN that is missing from the intended wired transport.

D:

This is suited to a different condition, such as when a central services VLAN is on the approved trunk but a new access port uses a mismatched untagged VLAN. The reported fault instead arises because the wireless access edge assigns clients to a VLAN that is missing from the intended wired transport.

Question 14

A campus uses a highly available DNS name for the NAC service, yet one site resolves an obsolete server address. Which immediate engineering change most directly addresses this issue?

  1. Reassign the device to the correct authorized organization or subscription inventory and then retry management attachment.
  2. Set the access interface's untagged VLAN and port mode to the approved endpoint network.
  3. Correct the resolver configuration or stale DNS record and validate reachability to the current NAC service endpoint.
  4. Permit the required SSID VLAN IDs on the trunk and match native VLAN expectations on each side.

Explanation

Correct Answer

C:

The underlying issue is that the access switch follows an outdated resolved address despite having a valid AAA profile. This intervention addresses that cause directly. A useful result to confirm is: requests reach the active NAC nodes and authenticating clients receive a timely decision.

Incorrect Answers

A:

This is suited to a different condition, such as when a newly added downstream stack is reachable by ping but cannot complete Central group onboarding because it appears under the wrong tenant. The reported fault instead arises because the access switch follows an outdated resolved address despite having a valid AAA profile.

B:

This is suited to a different condition, such as when a central services VLAN is on the approved trunk but a new access port uses a mismatched untagged VLAN. The reported fault instead arises because the access switch follows an outdated resolved address despite having a valid AAA profile.

D:

This is suited to a different condition, such as when a floor switch connects APs but the uplink passes only the native VLAN while employee and voice SSIDs use tagged VLANs. The reported fault instead arises because the access switch follows an outdated resolved address despite having a valid AAA profile.

Question 15

A VoIP handset receives power from an access switch but lands in the data VLAN rather than its intended voice VLAN. Which immediate engineering change most directly addresses this issue?

  1. Check the advertised voice VLAN policy and phone or switch support for the chosen discovery mechanism.
  2. Align the SSID VLAN assignment with an existing permitted VLAN and its routed gateway.
  3. Align the LACP aggregation parameters and intended member grouping at both ends.
  4. Correct the resolver configuration or stale DNS record and validate reachability to the current NAC service endpoint.

Explanation

Correct Answer

A:

The underlying issue is that power delivery and the phone's voice VLAN classification are separate controls. This intervention addresses that cause directly. A useful result to confirm is: the handset obtains its voice-subnet lease and user data traffic stays in the data VLAN.

Incorrect Answers

B:

This is suited to a different condition, such as when a wireless building is connected to the core but a user VLAN is mapped inconsistently between the SSID profile and switch trunk. The reported fault instead arises because power delivery and the phone's voice VLAN classification are separate controls.

C:

This is suited to a different condition, such as when an LACP bundle has four member links, but only two forward because the partner uses a different aggregation key. The reported fault instead arises because power delivery and the phone's voice VLAN classification are separate controls.

D:

This is suited to a different condition, such as when a campus uses a highly available DNS name for the NAC service, yet one site resolves an obsolete server address. The reported fault instead arises because power delivery and the phone's voice VLAN classification are separate controls.

Question 16

An access stack stops powering some APs after a larger radio model is deployed on the same ports. Which immediate engineering change most directly addresses this issue?

  1. Configure the approved route and egress interface in the actual source VRF for telemetry.
  2. Correct the resolver configuration or stale DNS record and validate reachability to the current NAC service endpoint.
  3. Validate the AP's PoE class and total switch power budget, then provision suitable power capacity.
  4. Restore DNS, gateway and outbound management reachability in the assigned management VRF or VLAN before retrying onboarding.

Explanation

Correct Answer

C:

The underlying issue is that available PoE power or negotiated class is insufficient for the newer AP's operating requirements. This intervention addresses that cause directly. A useful result to confirm is: each AP draws the expected power allocation and remains stable with required radios enabled.

Incorrect Answers

A:

This is suited to a different condition, such as when a floor switch responds on the out-of-band management port, but traffic sourced from its default VRF cannot reach the telemetry server. The reported fault instead arises because available PoE power or negotiated class is insufficient for the newer AP's operating requirements.

B:

This is suited to a different condition, such as when a campus uses a highly available DNS name for the NAC service, yet one site resolves an obsolete server address. The reported fault instead arises because available PoE power or negotiated class is insufficient for the newer AP's operating requirements.

D:

This is suited to a different condition, such as when a new branch switch powers on but remains absent from Central after its management VLAN is provisioned. The reported fault instead arises because available PoE power or negotiated class is insufficient for the newer AP's operating requirements.

Question 17

An endpoint sees physical carrier on an Aruba CX port but the administrator configured the port administratively disabled. Which immediate engineering change most directly addresses this issue?

  1. Enable the intended interface after verifying its port role and safe connection policy.
  2. Correct the resolver configuration or stale DNS record and validate reachability to the current NAC service endpoint.
  3. Configure the approved route and egress interface in the actual source VRF for telemetry.
  4. Configure the appropriate supported discovery mechanism and validate IP reachability to the intended controller.

Explanation

Correct Answer

A:

The underlying issue is that optical carrier cannot override an administratively disabled interface. This intervention addresses that cause directly. A useful result to confirm is: the port becomes operational and passes the intended traffic without changing the wrong adjacent port.

Incorrect Answers

B:

This is suited to a different condition, such as when a campus uses a highly available DNS name for the NAC service, yet one site resolves an obsolete server address. The reported fault instead arises because optical carrier cannot override an administratively disabled interface.

C:

This is suited to a different condition, such as when a floor switch responds on the out-of-band management port, but traffic sourced from its default VRF cannot reach the telemetry server. The reported fault instead arises because optical carrier cannot override an administratively disabled interface.

D:

This is suited to a different condition, such as when an AP in a new building gets an IP address but discovers no management controller where the design uses controller discovery. The reported fault instead arises because optical carrier cannot override an administratively disabled interface.

Question 18

An LACP bundle has four member links, but only two forward because the partner uses a different aggregation key. Which immediate engineering change most directly addresses this issue?

  1. Align the SSID VLAN assignment with an existing permitted VLAN and its routed gateway.
  2. Validate the AP's PoE class and total switch power budget, then provision suitable power capacity.
  3. Align the LACP aggregation parameters and intended member grouping at both ends.
  4. Reassign the device to the correct authorized organization or subscription inventory and then retry management attachment.

Explanation

Correct Answer

C:

The underlying issue is that members with mismatched partner or key information cannot join the same LAG forwarding aggregator. This intervention addresses that cause directly. A useful result to confirm is: all intended members synchronize and participate according to the negotiated aggregator.

Incorrect Answers

A:

This is suited to a different condition, such as when a wireless building is connected to the core but a user VLAN is mapped inconsistently between the SSID profile and switch trunk. The reported fault instead arises because members with mismatched partner or key information cannot join the same LAG forwarding aggregator.

B:

This is suited to a different condition, such as when an access stack stops powering some APs after a larger radio model is deployed on the same ports. The reported fault instead arises because members with mismatched partner or key information cannot join the same LAG forwarding aggregator.

D:

This is suited to a different condition, such as when a newly added downstream stack is reachable by ping but cannot complete Central group onboarding because it appears under the wrong tenant. The reported fault instead arises because members with mismatched partner or key information cannot join the same LAG forwarding aggregator.

Question 19

Two campuses are connected over a routed WAN, but a team expects a new Layer 2 VLAN to extend automatically to the remote building. Which immediate engineering change most directly addresses this issue?

  1. Use an approved routed inter-site design or an explicitly engineered supported overlay when Layer 2 extension is truly needed.
  2. Correct the resolver configuration or stale DNS record and validate reachability to the current NAC service endpoint.
  3. Align the LACP aggregation parameters and intended member grouping at both ends.
  4. Enable the intended interface after verifying its port role and safe connection policy.

Explanation

Correct Answer

A:

The underlying issue is that an IP-routed link does not propagate Ethernet broadcast domains merely because VLAN IDs match. This intervention addresses that cause directly. A useful result to confirm is: remote hosts reach intended IP services with the approved routing or overlay design.

Incorrect Answers

B:

This is suited to a different condition, such as when a campus uses a highly available DNS name for the NAC service, yet one site resolves an obsolete server address. The reported fault instead arises because an IP-routed link does not propagate Ethernet broadcast domains merely because VLAN IDs match.

C:

This is suited to a different condition, such as when an LACP bundle has four member links, but only two forward because the partner uses a different aggregation key. The reported fault instead arises because an IP-routed link does not propagate Ethernet broadcast domains merely because VLAN IDs match.

D:

This is suited to a different condition, such as when an endpoint sees physical carrier on an Aruba CX port but the administrator configured the port administratively disabled. The reported fault instead arises because an IP-routed link does not propagate Ethernet broadcast domains merely because VLAN IDs match.

Question 20

A central services VLAN is on the approved trunk but a new access port uses a mismatched untagged VLAN. Which immediate engineering change most directly addresses this issue?

  1. Set the access interface's untagged VLAN and port mode to the approved endpoint network.
  2. Restore DNS, gateway and outbound management reachability in the assigned management VRF or VLAN before retrying onboarding.
  3. Check the advertised voice VLAN policy and phone or switch support for the chosen discovery mechanism.
  4. Provide the correct NTP servers and reachability path before retrying certificate validation.

Explanation

Correct Answer

A:

The underlying issue is that the endpoint is placed into a different broadcast domain than the required service. This intervention addresses that cause directly. A useful result to confirm is: the endpoint obtains a lease from the expected subnet and retains only its assigned VLAN.

Incorrect Answers

B:

This is suited to a different condition, such as when a new branch switch powers on but remains absent from Central after its management VLAN is provisioned. The reported fault instead arises because the endpoint is placed into a different broadcast domain than the required service.

C:

This is suited to a different condition, such as when a VoIP handset receives power from an access switch but lands in the data VLAN rather than its intended voice VLAN. The reported fault instead arises because the endpoint is placed into a different broadcast domain than the required service.

D:

This is suited to a different condition, such as when an AP has a healthy uplink but reports that clock synchronization cannot reach a time source, breaking certificate-based provisioning. The reported fault instead arises because the endpoint is placed into a different broadcast domain than the required service.