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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 113

Question 1120

A campus advertises overlapping VLAN subnet ranges across two sites, generating unpredictable routing to both. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Renumber or resegment overlapping prefixes or establish an explicitly designed translation boundary.
  2. Adjust the inbound route policy narrowly to permit intended prefixes.
  3. Apply central IPAM checks before approving new subnets.
  4. Monitor both peer-liveness signals and application reachability during failover tests.

Explanation

Correct Answers

A:

This is the corrective intervention because duplicate destination prefixes prevent unambiguous routed reachability between sites. 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 BGP peer is Established but upstream routes are not accepted due to a prefix filter that rejects the approved campus CIDR. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a core's next-hop route remains installed during a routed link fault because physical interface status stays up across an intermediate carrier. It does not specifically prevent this problem.

Question 1121

A campus uplink is configured as an unnumbered Layer 3 interface but operators try to troubleshoot it as a tagged L2 trunk. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Use supported BFD or equivalent reachability detection integrated with routing where appropriate.
  2. Inspect the routed-port configuration and establish the required L3 neighbor and routing exchange.
  3. Stage and review prefix-list changes against known advertisements.
  4. Distinguish routed and switched link roles in physical diagrams.

Explanation

Correct Answers

B:

This is the corrective intervention because a routed interface does not automatically behave as a VLAN-bearing access/trunk port. 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 core's next-hop route remains installed during a routed link fault because physical interface status stays up across an intermediate carrier. It is not the targeted repair for this case.

C:

That safeguard would suit a different situation, such as when a BGP peer is Established but upstream routes are not accepted due to a prefix filter that rejects the approved campus CIDR. It does not specifically prevent this problem.

Question 1122

An ACL allows a remote application subnet, yet a client cannot access it because the SVI has no route to that destination. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Restore the appropriate route before making speculative changes to permit ACLs.
  2. Require both route and policy validation for new application flows.
  3. Preserve the correctly learned specific route and apply longest-prefix-match forwarding.
  4. Standardize routing timers within approved network segments.

Explanation

Correct Answers

A:

This is the corrective intervention because traffic cannot reach an authorized destination without an IP forwarding path. 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 distribution switch learns a specific /24 route and a broader /16 summary; engineers expect the summary to override the specific route. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a data center's OSPF router and campus peer have matching area IDs but fail adjacency because their hello/dead timers differ. It does not specifically prevent this problem.

Question 1123

An OSPF neighbor becomes stuck at 2-Way on a multiaccess broadcast network and the engineer expects every pair of routers to reach Full. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Check the DR/BDR election and determine whether 2-Way is normal for the non-DR peer relationship.
  2. Implement a narrow supported service reachability or controlled route-leak policy for the NTP destination.
  3. Require provider-supplied ASN verification before peer activation.
  4. Document OSPF network type and adjacency expectations.

Explanation

Correct Answers

A:

This is the corrective intervention because on broadcast segments, DROther peers may remain 2-Way while Full adjacency forms with the DR/BDR. 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 policy requires restricted services in a management VRF to reach a shared NTP system but forbids broad connectivity to the production user VRF. It is not the targeted repair for this case.

C:

That safeguard would suit a different situation, such as when a campus BGP peering to an ISP remains Idle because the local neighbor remote-AS setting is incorrect. It does not specifically prevent this problem.

Question 1124

A team adds a new L3 transit VLAN but configures the wrong IP mask on one side of the point-to-point link. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Install the route or approved controlled route leak in the correct guest VRF.
  2. Document OSPF network type and adjacency expectations.
  3. Align a consistent supported transit prefix and check adjacency reachability.
  4. Use a standard transit-address pool with mask validation.

Explanation

Correct Answers

C:

This is the corrective intervention because peer interfaces with incompatible on-link subnets cannot reliably establish local next-hop reachability. 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 campus routes guest and employee traffic in separate VRFs but a technician adds a guest static route only to the employee VRF. It is not the targeted repair for this case.

B:

That safeguard would suit a different situation, such as when an OSPF neighbor becomes stuck at 2-Way on a multiaccess broadcast network and the engineer expects every pair of routers to reach Full. It does not specifically prevent this problem.

Question 1125

A campus uses policy-based routing to force a selected application through a service appliance, but a catch-all policy inadvertently redirects user DNS traffic too. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Narrow the route policy match to the approved source, destination and traffic classification.
  2. Install the route or approved controlled route leak in the correct guest VRF.
  3. Include negative traffic tests in every PBR deployment.
  4. Standardize routing timers within approved network segments.

Explanation

Correct Answers

A:

This is the corrective intervention because an overly broad PBR match overrides normal routing for unrelated DNS sessions. 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 routes guest and employee traffic in separate VRFs but a technician adds a guest static route only to the employee VRF. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a data center's OSPF router and campus peer have matching area IDs but fail adjacency because their hello/dead timers differ. It does not specifically prevent this problem.

Question 1126

A default route learned from dynamic routing persists despite a better directly connected route for an internal subnet. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Implement a narrow supported service reachability or controlled route-leak policy for the NTP destination.
  2. Test source and destination route visibility from both ends.
  3. Verify longest-prefix matching before changing administrative distances or the default route.
  4. Teach route lookup precedence in troubleshooting runbooks.

Explanation

Correct Answers

C:

This is the corrective intervention because a 0/0 default route serves only destinations without a more-specific matching route. 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 policy requires restricted services in a management VRF to reach a shared NTP system but forbids broad connectivity to the production user VRF. It is not the targeted repair for this case.

B:

That safeguard would suit a different situation, such as when a device sends packets to a remote IPv6 network, but return traffic fails because the remote router lacks the source-prefix route. It does not specifically prevent this problem.

Question 1127

A WAN cutover leaves a static route pointing to an old gateway while the current routing protocol advertises a new next hop. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Set supported route costs or policy attributes to express the approved primary/backup preference.
  2. Validate area topology before routing changes or new site turnup.
  3. Withdraw the obsolete static route or correct its administrative distance based on the cutover plan.
  4. Explicitly track static-route retirement in WAN change records.

Explanation

Correct Answers

C:

This is the corrective intervention because static-route preference can override the new dynamic route even when the old path is broken. 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 branch has two equally routed core uplinks, but one should be reserved as a backup for high-priority traffic. It is not the targeted repair for this case.

B:

That safeguard would suit a different situation, such as when an OSPF multi-area design attaches a remote area directly to another remote area without an approved backbone connection or virtual-link design. It does not specifically prevent this problem.

Question 1128

A data center's OSPF router and campus peer have matching area IDs but fail adjacency because their hello/dead timers differ. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Align compatible OSPF hello and dead timers at the routed link endpoints.
  2. Adjust the inbound route policy narrowly to permit intended prefixes.
  3. Standardize routing timers within approved network segments.
  4. Validate route specificity before implementing summaries or filters.

Explanation

Correct Answers

A:

This is the corrective intervention because OSPF neighboring interfaces require compatible timer parameters to maintain adjacency. 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 BGP peer is Established but upstream routes are not accepted due to a prefix filter that rejects the approved campus CIDR. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when a distribution switch learns a specific /24 route and a broader /16 summary; engineers expect the summary to override the specific route. It does not specifically prevent this problem.

Question 1129

A company wants enterprise WLAN admission but plans to deploy a shared WPA2 personal passphrase to every employee. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Create explicit least-privilege allow rules for required camera services and deny management access.
  2. Test IoT lateral and management-plane restrictions with every new device class.
  3. Use 802.1X enterprise authentication with a supported central AAA policy and individual or device credentials.
  4. Review certificate or identity lifecycle and per-user revocation processes.

Explanation

Correct Answers

C:

This is the corrective intervention because a common PSK does not provide per-identity access decisions or practical individual revocation. 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 IoT camera VLAN receives full access to network management interfaces because the firewall default rule is permissive. It is not the targeted repair for this case.

B:

That safeguard would suit a different situation, such as when an IoT camera VLAN receives full access to network management interfaces because the firewall default rule is permissive. It does not specifically prevent this problem.

Question 1130

A guest SSID is connected to a network that allows lateral traffic into staff database servers. Which TWO coordinated steps provide the immediate correction and a sensible ongoing safeguard? Select two.

  1. Apply a narrow guest access policy that blocks internal protected prefixes and permits only approved guest services.
  2. Run negative guest-to-staff connectivity checks after WLAN profile changes.
  3. Require server identity and certificate-chain validation through managed WLAN profiles.
  4. Maintain accurate endpoint inventories and exception approvals.

Explanation

Correct Answers

A:

This is the corrective intervention because the guest role's effective firewall policy permits unintended east-west and internal traffic. 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 wireless team enables WPA3-Enterprise on a protected SSID, but users are allowed to ignore certificate-validation failures in their supplicant profiles. It is not the targeted repair for this case.

D:

That safeguard would suit a different situation, such as when an access switch detects unauthorized MAC addresses but the operator plans to disable all port controls to restore a single legitimate printer. It does not specifically prevent this problem.