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HP HPE7-A01 Bundle

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 105

Question 1040

A stack's standby control member cannot take over after a failover drill because the new member has incompatible firmware. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Align software versions through the vendor-supported stack upgrade and member compatibility process.
  2. Align OSPF area membership and compatible neighbor parameters on the affected link.
  3. Require member version checks before adding a replacement or upgrading the stack.
  4. Document root bridge ownership per VLAN or instance in resilience plans.

Explanation

Correct Answers

A:

This is the corrective intervention because control-member version mismatch prevents stable participation in the intended logical stack. Confirm its effect using the specified operational recovery check.

C:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

B:

This action fits a different incident: a redundant OSPF network has two uplinks, but one interface's routing adjacency never forms because its area ID is wrong. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when two redundant switches disagree about the device that should be the STP root for a campus distribution VLAN. It does not specifically prevent this problem.

Question 1041

A new finance printer is connected to an access port in VLAN 130, but the subnet gateway is an SVI in VLAN 120. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Use IP source lockdown or an equivalent supported binding-enforcement control with correctly learned or approved bindings.
  2. Move the port to the approved finance VLAN and ensure the correct SVI and DHCP scope are used.
  3. Cross-check subnet calculations before SVI deployments.
  4. Keep physical port-to-VLAN mappings in endpoint provisioning records.

Explanation

Correct Answers

B:

This is the corrective intervention because access VLAN membership does not match the subnet selected for that endpoint. Confirm its effect using the specified operational recovery check.

D:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

A:

This action fits a different incident: an access network requires prevention of forged source-IP traffic from endpoints with stolen static addresses. It is not the targeted repair for this case.

C:

That safeguard would suit a different situation, such as when a new Layer 3 switch hosts the user VLAN gateway but the SVI mask excludes part of the expected address range. It does not specifically prevent this problem.

Question 1042

An AP trunk has every VLAN enabled, allowing guest client traffic onto a restricted internal network. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Apply DHCP snooping with trusted infrastructure ports and untrusted user edges.
  2. Restrict the trunk's allowed VLAN list to the management and WLAN client VLANs actually required.
  3. Validate LAG member compatibility before moving server links.
  4. Review trunk allow lists during AP and SSID changes.

Explanation

Correct Answers

B:

This is the corrective intervention because an over-permissive tagged trunk undermines the intended segmentation boundary. Confirm its effect using the specified operational recovery check.

D:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

A:

This action fits a different incident: a rogue small office router begins answering DHCP on an open desk port. It is not the targeted repair for this case.

C:

That safeguard would suit a different situation, such as when a file server connected by a LAG shows intermittent flows and one link is outside the port-channel. It does not specifically prevent this problem.

Question 1043

A CX switch has a healthy SVI but hosts cannot reach the directly connected gateway because the VLAN has no active member ports. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Restore the authorized member port and the VLAN's operational state.
  2. Track usable access members as part of SVI availability checks.
  3. Replace or align the unsupported optic/cable and verify physical-layer compatibility.
  4. Validate virtualization host VLAN mappings against switchport mode.

Explanation

Correct Answers

A:

This is the corrective intervention because an SVI may remain ineffective when its underlying VLAN has no usable access connectivity. Confirm its effect using the specified operational recovery check.

B:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

C:

This action fits a different incident: a switch trunk's CRC error counters climb while application traffic degrades after a fiber transceiver change. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a switch port connected to a hypervisor must carry three isolated tenant VLANs, but it is left in access mode. It does not specifically prevent this problem.

Question 1044

An 802.1Q trunk carries VLAN 20 untagged on one end and tagged on the other, causing intermittent DHCP placement. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Synchronize or align the VSX multi-chassis LAG VLAN configuration on both peers.
  2. Review DHCP trusted-port paths when changing topology.
  3. Match native and tagged VLAN behavior on the trunk's two endpoints.
  4. Maintain an explicit native-VLAN plan instead of relying on implicit defaults.

Explanation

Correct Answers

C:

This is the corrective intervention because the two peers disagree about how untagged Ethernet frames map to a VLAN. Confirm its effect using the specified operational recovery check.

D:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

A:

This action fits a different incident: a VSX downstream switch has an active multi-chassis LAG, but the primary and secondary peers disagree on the permitted client VLANs. It is not the targeted repair for this case.

B:

That safeguard would suit a different situation, such as when a switch is configured with DHCP snooping, but legitimate lease offers arriving from the authorized DHCP uplink are dropped. It does not specifically prevent this problem.

Question 1045

A file server connected by a LAG shows intermittent flows and one link is outside the port-channel. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Align the member's LACP mode, speed and aggregator configuration with the intended LAG.
  2. Configure an approved tagged trunk with precisely the tenant VLANs required.
  3. Keep user-facing ports untrusted and alert on rogue server attempts.
  4. Validate LAG member compatibility before moving server links.

Explanation

Correct Answers

A:

This is the corrective intervention because one interface negotiates differently and is excluded from the logical forwarding group. Confirm its effect using the specified operational recovery check.

D:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

B:

This action fits a different incident: a switch port connected to a hypervisor must carry three isolated tenant VLANs, but it is left in access mode. It is not the targeted repair for this case.

C:

That safeguard would suit a different situation, such as when a rogue small office router begins answering DHCP on an open desk port. It does not specifically prevent this problem.

Question 1046

A classroom endpoint cannot see a local broadcast discovery service across two isolated VLANs. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Use an approved routed discovery relay or application gateway rather than merging the VLANs without review.
  2. Use a supported ARP validation or source-binding control appropriate for the platform and VLAN.
  3. Keep cross-VLAN discovery exceptions narrowly documented.
  4. Cross-check subnet calculations before SVI deployments.

Explanation

Correct Answers

A:

This is the corrective intervention because Layer 2 broadcasts do not cross a routed VLAN boundary by default. Confirm its effect using the specified operational recovery check.

C:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

B:

This action fits a different incident: a campus needs to reduce ARP spoofing from open lab ports, yet engineers plan to permit all ARP replies. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a new Layer 3 switch hosts the user VLAN gateway but the SVI mask excludes part of the expected address range. It does not specifically prevent this problem.

Question 1047

A campus sees periodic MAC address moves between two access ports with no planned mobility. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Locate the accidental loop or duplicated Layer 2 attachment before changing MAC aging values.
  2. Choose the supported policy enforcement point for Layer 2 traffic instead of relying on an SVI routed ACL alone.
  3. Keep binding enforcement and legitimate static-device exceptions documented.
  4. Alert on sustained MAC flapping and document dual-homing designs.

Explanation

Correct Answers

A:

This is the corrective intervention because unexpected rapid MAC movement generally indicates multiple ingress paths for the same source. Confirm its effect using the specified operational recovery check.

D:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

B:

This action fits a different incident: a distribution switch applies an ingress ACL to a routed SVI, but administrators expect it to block frames bridged only inside the same VLAN. It is not the targeted repair for this case.

C:

That safeguard would suit a different situation, such as when a campus needs to reduce ARP spoofing from open lab ports, yet engineers plan to permit all ARP replies. It does not specifically prevent this problem.

Question 1048

A switch is configured with DHCP snooping, but legitimate lease offers arriving from the authorized DHCP uplink are dropped. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Trust only the authorized DHCP server-facing path and retain untrusted client access ports.
  2. Review DHCP trusted-port paths when changing topology.
  3. Match native and tagged VLAN behavior on the trunk's two endpoints.
  4. Keep binding enforcement and legitimate static-device exceptions documented.

Explanation

Correct Answers

A:

This is the corrective intervention because the legitimate offer arrives on an interface classified as untrusted by the snooping policy. Confirm its effect using the specified operational recovery check.

B:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

C:

This action fits a different incident: an 802.1Q trunk carries VLAN 20 untagged on one end and tagged on the other, causing intermittent DHCP placement. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a campus needs to reduce ARP spoofing from open lab ports, yet engineers plan to permit all ARP replies. It does not specifically prevent this problem.

Question 1049

A rogue small office router begins answering DHCP on an open desk port. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Select a supported multi-device policy or validated endpoint topology appropriate for phone-plus-PC access.
  2. Apply DHCP snooping with trusted infrastructure ports and untrusted user edges.
  3. Keep user-facing ports untrusted and alert on rogue server attempts.
  4. Document LAG per-flow load-distribution expectations in capacity forecasts.

Explanation

Correct Answers

B:

This is the corrective intervention because unrestricted DHCP server responses on an access port can assign clients an incorrect default route. Confirm its effect using the specified operational recovery check.

C:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

A:

This action fits a different incident: an edge port has port-security configured for one device and a desk phone with a downstream PC is unexpectedly blocked. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a LAG uses a hash selection that causes one large storage flow to occupy a single member while other links remain mostly idle. It does not specifically prevent this problem.

Question 1050

An access network requires prevention of forged source-IP traffic from endpoints with stolen static addresses. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Match native and tagged VLAN behavior on the trunk's two endpoints.
  2. Keep user-facing ports untrusted and alert on rogue server attempts.
  3. Use IP source lockdown or an equivalent supported binding-enforcement control with correctly learned or approved bindings.
  4. Audit binding table sources and static-device exceptions.

Explanation

Correct Answers

C:

This is the corrective intervention because mAC-to-IP-to-port ownership is not enforced by ordinary VLAN isolation. Confirm its effect using the specified operational recovery check.

D:

This adds the continuing safeguard so the corrected failure does not recur after the original intervention.

Incorrect Answers

A:

This action fits a different incident: an 802.1Q trunk carries VLAN 20 untagged on one end and tagged on the other, causing intermittent DHCP placement. It is not the targeted repair for this case.

B:

That safeguard would suit a different situation, such as when a rogue small office router begins answering DHCP on an open desk port. It does not specifically prevent this problem.