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HP HPE7-A08 Bundle

Exam Code: HPE7-A08

Exam Name HPE Network Switching Professional

Certification Provider: HP

Corresponding Certification: HPE Aruba Networking Certified Professional - Switching

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HP HPE7-A08 Practice Test 19

Question 180

At the Dartwood public agency, an aggregation edge fails to establish BGP because one neighbor configuration has the wrong remote autonomous system. Which ongoing control best prevents this issue from recurring?

  1. Review cost design after link-speed upgrades
  2. Validate peer parameters before routing policy deployments
  3. Review rate thresholds against measured normal guest demand
  4. Review power utilization and supply redundancy as endpoints grow

Explanation

Correct Answer

B:

The needed prevention is to validate peer parameters before routing policy deployments. It directly sustains the original change to correct the approved peer address remote AS and source connectivity then inspect session states. This result addresses the stated challenge at the Dartwood public agency.

Incorrect Answers

A:

OSPF path selection follows its calculated metrics rather than business labels on ports. The offered alternative applies that mechanism: Review cost design after link-speed upgrades. The reported facts point to a different controlling condition: BGP neighbors require compatible AS relationships and reachable transport before exchanging routes, rather than merely a monitoring or presentation issue. The alternative does not directly settle the required recurrence control.

C:

The option states: Review rate thresholds against measured normal guest demand. The source describes its associated mechanism as: bursting guest traffic can consume resources needed for contracted business services. By contrast, the current situation is governed by: BGP neighbors require compatible AS relationships and reachable transport before exchanging routes, rather than merely a monitoring or presentation issue. Choosing this alternative would leave the question’s specific recurrence control unresolved.

D:

Review power utilization and supply redundancy as endpoints grow. This option is based on the following distinct technical behavior: total chassis PoE consumption can exceed available power when endpoints start together. The present question instead depends on this mechanism: BGP neighbors require compatible AS relationships and reachable transport before exchanging routes, rather than merely a monitoring or presentation issue. That difference matters for the requested recurrence control.

Question 181

At the Silverport telecommunications company, clients on a routed access VLAN time out obtaining IP addresses because the DHCP server is on another subnet. Which implementation choice best addresses the situation?

  1. Align OSPF area and adjacency parameters on the intended interfaces then validate neighbors
  2. Use supported role-based access and HPE Aruba Networking Dynamic Segmentation with properly defined enforcement roles
  3. Configure the supported helper or DHCP relay on the correct VLAN interface and confirm route reachability
  4. Enable the supported SSH-based management path with approved user roles and restrict insecure remote protocols

Explanation

Correct Answer

C:

This is the direct HPE Aruba wired switching remedy: configure the supported helper or DHCP relay on the correct VLAN interface and confirm route reachability. The observed risk is that layer 3 separation blocks local broadcast discovery without an approved relay path; a passing acceptance check would show that a test client receives the correct scope address and relay logs show the exchange. This result addresses the stated challenge at the Silverport telecommunications company.

Incorrect Answers

A:

Align OSPF area and adjacency parameters on the intended interfaces then validate neighbors. Its technical scope is explained by: area or hello mismatch on adjacent interfaces prevents normal OSPF peering. In this question, the decisive issue is: layer 3 separation blocks local broadcast discovery without an approved relay path; a passing acceptance check would show that a test client receives the correct scope address and relay logs show the exchange. That is why the offered option is not the most direct implementation.

B:

The option states: Use supported role-based access and HPE Aruba Networking Dynamic Segmentation with properly defined enforcement roles. The source describes its associated mechanism as: port-only VLAN membership does not express changing identity-driven access requirements reliably. By contrast, the current situation is governed by: layer 3 separation blocks local broadcast discovery without an approved relay path; a passing acceptance check would show that a test client receives the correct scope address and relay logs show the exchange. Choosing this alternative would leave the question’s specific implementation unresolved.

D:

unencrypted or broadly reachable management exposes network configuration and credentials, the required evidence must show that an authorized SSH login succeeds while an unauthorized plaintext management attempt fails. The offered alternative applies that mechanism: Enable the supported SSH-based management path with approved user roles and restrict insecure remote protocols. The reported facts point to a different controlling condition: layer 3 separation blocks local broadcast discovery without an approved relay path; a passing acceptance check would show that a test client receives the correct scope address and relay logs show the exchange. The alternative does not directly settle the required implementation.

Question 182

At the Silverport telecommunications company, clients on a routed access VLAN time out obtaining IP addresses because the DHCP server is on another subnet. What risk should the team identify as the primary issue?

  1. Area or hello mismatch on adjacent interfaces prevents normal OSPF peering
  2. An incorrect access VLAN places untagged endpoint frames into the wrong broadcast domain
  3. Group managed configurations can supersede direct local changes when ownership is not coordinated
  4. Layer 3 separation blocks local broadcast discovery without an approved relay path

Explanation

Correct Answer

D:

The architectural weakness is that layer 3 separation blocks local broadcast discovery without an approved relay path. It can be addressed through the controlled change to configure the supported helper or DHCP relay on the correct VLAN interface and confirm route reachability. This result addresses the stated challenge at the Silverport telecommunications company.

Incorrect Answers

A:

The option states: Area or hello mismatch on adjacent interfaces prevents normal OSPF peering. By contrast, the current situation is governed by: layer 3 separation blocks local broadcast discovery without an approved relay path, the required evidence must show that a test client receives the correct scope address and relay logs show the exchange. Choosing this alternative would leave the question’s specific root-cause explanation unresolved.

B:

An incorrect access VLAN places untagged endpoint frames into the wrong broadcast domain. The present question instead depends on this mechanism: layer 3 separation blocks local broadcast discovery without an approved relay path, the required evidence must show that a test client receives the correct scope address and relay logs show the exchange. That difference matters for the requested root-cause explanation.

C:

The offered alternative states: Group managed configurations can supersede direct local changes when ownership is not coordinated. The reported facts point to a different controlling condition: layer 3 separation blocks local broadcast discovery without an approved relay path, the required evidence must show that a test client receives the correct scope address and relay logs show the exchange. The alternative does not directly settle the required root-cause explanation.

Question 183

At the Silverport telecommunications company, clients on a routed access VLAN time out obtaining IP addresses because the DHCP server is on another subnet. What is the strongest acceptance test for this change?

  1. A test client receives the correct scope address and relay logs show the exchange
  2. The BGP session establishes and authorized prefixes appear in the routing policy output
  3. A controlled traffic test preserves required protocol sessions while unwanted traffic is limited
  4. The controlled test host reaches its permitted peer through the end-to-end VLAN path

Explanation

Correct Answer

A:

Because layer 3 separation blocks local broadcast discovery without an approved relay path, the required evidence must show that a test client receives the correct scope address and relay logs show the exchange. A healthy endpoint status alone is insufficient. This result addresses the stated challenge at the Silverport telecommunications company.

Incorrect Answers

B:

BGP neighbors require compatible AS relationships and reachable transport before exchanging routes, rather than merely a monitoring or presentation issue. The offered alternative applies that mechanism: The BGP session establishes and authorized prefixes appear in the routing policy output. The reported facts point to a different controlling condition: layer 3 separation blocks local broadcast discovery without an approved relay path, the required evidence must show that a test client receives the correct scope address and relay logs show the exchange. The alternative does not directly settle the required acceptance evidence.

C:

A controlled traffic test preserves required protocol sessions while unwanted traffic is limited. Its technical scope is explained by: heavy unsolicited control traffic can contend with essential switch control functions. In this question, the decisive issue is: layer 3 separation blocks local broadcast discovery without an approved relay path, the required evidence must show that a test client receives the correct scope address and relay logs show the exchange. That is why the offered option is not the most direct acceptance evidence.

D:

The option states: The controlled test host reaches its permitted peer through the end-to-end VLAN path. The source describes its associated mechanism as: an established Ethernet link does not imply all tagged VLANs are carried across it, the required evidence must show that the controlled test host reaches its permitted peer through the end-to-end VLAN path. By contrast, the current situation is governed by: layer 3 separation blocks local broadcast discovery without an approved relay path, the required evidence must show that a test client receives the correct scope address and relay logs show the exchange. Choosing this alternative would leave the question’s specific acceptance evidence unresolved.

Question 184

At the Silverport telecommunications company, clients on a routed access VLAN time out obtaining IP addresses because the DHCP server is on another subnet. Which setting or practice should be reviewed in future?

  1. Alert on OSPF neighbor down events and compare interface templates
  2. Monitor control-plane drop and CPU statistics after policy updates
  3. Recheck relay destinations whenever DHCP service addresses move
  4. Audit queue drops and utilization during peak periods

Explanation

Correct Answer

C:

The team should recheck relay destinations whenever DHCP service addresses move. That recurring practice targets the same weakness, namely that layer 3 separation blocks local broadcast discovery without an approved relay path. This result addresses the stated challenge at the Silverport telecommunications company.

Incorrect Answers

A:

area or hello mismatch on adjacent interfaces prevents normal OSPF peering, the required evidence must show that neighbor state reaches Full and expected link state routes are installed. The offered alternative applies that mechanism: Alert on OSPF neighbor down events and compare interface templates. The reported facts point to a different controlling condition: layer 3 separation blocks local broadcast discovery without an approved relay path, the required evidence must show that a test client receives the correct scope address and relay logs show the exchange. The alternative does not directly settle the required recurrence control.

B:

Monitor control-plane drop and CPU statistics after policy updates. Its technical scope is explained by: heavy unsolicited control traffic can contend with essential switch control functions. In this question, the decisive issue is: layer 3 separation blocks local broadcast discovery without an approved relay path, the required evidence must show that a test client receives the correct scope address and relay logs show the exchange. That is why the offered option is not the most direct recurrence control.

D:

Audit queue drops and utilization during peak periods. This option is based on the following distinct technical behavior: a single congested best-effort queue does not protect latency-sensitive voice packets. The present question instead depends on this mechanism: layer 3 separation blocks local broadcast discovery without an approved relay path, the required evidence must show that a test client receives the correct scope address and relay logs show the exchange. That difference matters for the requested recurrence control.

Question 185

At the Elmhurst software campus, a contractor VLAN sees a corporate routing table because its interface was attached to the wrong VRF. Which corrective action best meets the requirement?

  1. Create and validate the supported VLAN interface with the correct IP gateway and VLAN operational state
  2. Bind the relevant routed interfaces to the approved VRF and selectively permit only authorized route exchange
  3. Verify support for breakout on the exact model port speed transceiver and cable before configuring the logical interfaces
  4. Configure the supported VSX multi-chassis LAG coherently across both peers and the downstream device

Explanation

Correct Answer

B:

The primary failure mode is that incorrect VRF assignment defeats the intended separation of independent routing contexts. The proposed action directly fixes it by requiring the team to bind the relevant routed interfaces to the approved VRF and selectively permit only authorized route exchange; afterward, verify that the contractor test reaches its approved exit but cannot route to restricted enterprise subnets. This result addresses the stated challenge at the Elmhurst software campus.

Incorrect Answers

A:

Create and validate the supported VLAN interface with the correct IP gateway and VLAN operational state. Its technical scope is explained by: layer 2 VLAN existence does not by itself supply a routed gateway interface; a passing acceptance check would show that a test host reaches the SVI address and permitted off subnet destinations. In this question, the decisive issue is: incorrect VRF assignment defeats the intended separation of independent routing contexts. That is why the offered option is not the most direct implementation.

C:

Verify support for breakout on the exact model port speed transceiver and cable before configuring the logical interfaces. This option is based on the following distinct technical behavior: a physical breakout requires matched hardware and operating mode rather than only an interface name. The present question instead depends on this mechanism: incorrect VRF assignment defeats the intended separation of independent routing contexts. That difference matters for the requested implementation.

D:

a mismatched multi-chassis aggregation can create blocked members or forwarding loops; a passing acceptance check would show that both uplinks carry the approved aggregate and the path recovers after a peer failure. The offered alternative applies that mechanism: Configure the supported VSX multi-chassis LAG coherently across both peers and the downstream device. The reported facts point to a different controlling condition: incorrect VRF assignment defeats the intended separation of independent routing contexts. The alternative does not directly settle the required implementation.

Question 186

At the Elmhurst software campus, a contractor VLAN sees a corporate routing table because its interface was attached to the wrong VRF. Which underlying issue most directly explains this situation?

  1. OSPF path selection follows its calculated metrics rather than business labels on ports
  2. Two power supplies on one electrical source do not protect against a common circuit failure
  3. Heavy unsolicited control traffic can contend with essential switch control functions
  4. Incorrect VRF assignment defeats the intended separation of independent routing contexts

Explanation

Correct Answer

D:

The problem stems from the fact that incorrect VRF assignment defeats the intended separation of independent routing contexts. A correct solution would bind the relevant routed interfaces to the approved VRF and selectively permit only authorized route exchange and check that the contractor test reaches its approved exit but cannot route to restricted enterprise subnets. This result addresses the stated challenge at the Elmhurst software campus.

Incorrect Answers

A:

The option states: OSPF path selection follows its calculated metrics rather than business labels on ports. By contrast, the current situation is governed by: incorrect VRF assignment defeats the intended separation of independent routing contexts. Choosing this alternative would leave the question’s specific root-cause explanation unresolved.

B:

Two power supplies on one electrical source do not protect against a common circuit failure. The present question instead depends on this mechanism: incorrect VRF assignment defeats the intended separation of independent routing contexts. That difference matters for the requested root-cause explanation.

C:

The offered alternative states: Heavy unsolicited control traffic can contend with essential switch control functions. The reported facts point to a different controlling condition: incorrect VRF assignment defeats the intended separation of independent routing contexts. The alternative does not directly settle the required root-cause explanation.

Question 187

At the Elmhurst software campus, a contractor VLAN sees a corporate routing table because its interface was attached to the wrong VRF. What evidence would justify considering this concern addressed?

  1. The contractor test reaches its approved exit but cannot route to restricted enterprise subnets
  2. The routing table selects the expected next hop and a remote trace succeeds
  3. A connected host preserves gateway reachability after either peer uplink fails
  4. A synthetic load test meets voice delay loss and fairness thresholds

Explanation

Correct Answer

A:

This tests the real business behavior: the contractor test reaches its approved exit but cannot route to restricted enterprise subnets. It specifically checks whether the risk that incorrect VRF assignment defeats the intended separation of independent routing contexts has been reduced. This result addresses the stated challenge at the Elmhurst software campus.

Incorrect Answers

B:

a static next hop that cannot be resolved prevents the default route from forwarding traffic. The offered alternative applies that mechanism: The routing table selects the expected next hop and a remote trace succeeds. The reported facts point to a different controlling condition: incorrect VRF assignment defeats the intended separation of independent routing contexts. The alternative does not directly settle the required acceptance evidence.

C:

A connected host preserves gateway reachability after either peer uplink fails. Its technical scope is explained by: dual switch gateway services require coordinated configuration to prevent inconsistent L3 forwarding. In this question, the decisive issue is: incorrect VRF assignment defeats the intended separation of independent routing contexts. That is why the offered option is not the most direct acceptance evidence.

D:

The option states: A synthetic load test meets voice delay loss and fairness thresholds. The source describes its associated mechanism as: a single congested best-effort queue does not protect latency-sensitive voice packets. By contrast, the current situation is governed by: incorrect VRF assignment defeats the intended separation of independent routing contexts. Choosing this alternative would leave the question’s specific acceptance evidence unresolved.

Question 188

At the Elmhurst software campus, a contractor VLAN sees a corporate routing table because its interface was attached to the wrong VRF. How should the organization sustain the improvement?

  1. Recheck relay destinations whenever DHCP service addresses move
  2. Monitor VSX consistency and active gateway status after releases
  3. Review script compatibility and agent health during firmware updates
  4. Audit VRF membership and route leaks after configuration changes

Explanation

Correct Answer

D:

The needed prevention is to audit VRF membership and route leaks after configuration changes. It directly sustains the original change to bind the relevant routed interfaces to the approved VRF and selectively permit only authorized route exchange. This result addresses the stated challenge at the Elmhurst software campus.

Incorrect Answers

A:

layer 3 separation blocks local broadcast discovery without an approved relay path, the required evidence must show that a test client receives the correct scope address and relay logs show the exchange. The offered alternative applies that mechanism: Recheck relay destinations whenever DHCP service addresses move. The reported facts point to a different controlling condition: incorrect VRF assignment defeats the intended separation of independent routing contexts. The alternative does not directly settle the required recurrence control.

B:

Monitor VSX consistency and active gateway status after releases. Its technical scope is explained by: dual switch gateway services require coordinated configuration to prevent inconsistent L3 forwarding. In this question, the decisive issue is: incorrect VRF assignment defeats the intended separation of independent routing contexts. That is why the offered option is not the most direct recurrence control.

C:

The option states: Review script compatibility and agent health during firmware updates. The source describes its associated mechanism as: periodic manual inspection can miss transient fault patterns that require device-local monitoring. By contrast, the current situation is governed by: incorrect VRF assignment defeats the intended separation of independent routing contexts. Choosing this alternative would leave the question’s specific recurrence control unresolved.

Question 189

At the Riverbrook research organization, an IPTV VLAN floods a high bitrate multicast stream to offices that have no interested receivers. Which approach best resolves the described issue?

  1. Verify multicast routing and the supported PIM design between source and receiver networks
  2. Configure supported IGMP snooping and membership handling for the multicast VLAN
  3. Implement supported classification and queue scheduling for voice without starving other traffic classes
  4. Install a correct default route via the validated reachable next hop and routing context

Explanation

Correct Answer

B:

For the Riverbrook research organization, the appropriate correction is to configure supported IGMP snooping and membership handling for the multicast VLAN. The decisive reason is that without learned receiver groups a Layer 2 multicast stream may be flooded to unrelated ports; acceptance evidence is that a receiver gets the approved stream while a nonmember test port sees no unnecessary copy.

Incorrect Answers

A:

Verify multicast routing and the supported PIM design between source and receiver networks. Its technical scope is explained by: IGMP local group membership does not automatically create routed multicast forwarding across VLANs; a passing acceptance check would show that a routed subscriber receives the expected group through the authorized multicast tree. In this question, the decisive issue is: it requires the team to monitor multicast group tables and querier health during video changes. That is why the offered option is not the most direct root-cause explanation.

C:

Implement supported classification and queue scheduling for voice without starving other traffic classes. This option is based on the following distinct technical behavior: a single congested best-effort queue does not protect latency-sensitive voice packets. The present question instead depends on this mechanism: it requires the team to monitor multicast group tables and querier health during video changes. That difference matters for the requested root-cause explanation.

D:

a static next hop that cannot be resolved prevents the default route from forwarding traffic. The offered alternative applies that mechanism: Install a correct default route via the validated reachable next hop and routing context. The reported facts point to a different controlling condition: it requires the team to monitor multicast group tables and querier health during video changes. The alternative does not directly settle the required root-cause explanation.

Question 190

At the Riverbrook research organization, an IPTV VLAN floods a high bitrate multicast stream to offices that have no interested receivers. Which explanation best accounts for the concern?

  1. IGMP local group membership does not automatically create routed multicast forwarding across VLANs
  2. Layer 2 VLAN existence does not by itself supply a routed gateway interface
  3. Without learned receiver groups a Layer 2 multicast stream may be flooded to unrelated ports
  4. Mismatched optic characteristics prevent a valid light path despite correct switch configuration

Explanation

Correct Answer

C:

The situation shows that without learned receiver groups a Layer 2 multicast stream may be flooded to unrelated ports, rather than merely a monitoring or presentation issue. Remediation is to configure supported IGMP snooping and membership handling for the multicast VLAN. This result addresses the stated challenge at the Riverbrook research organization.

Incorrect Answers

A:

The option states: IGMP local group membership does not automatically create routed multicast forwarding across VLANs. By contrast, the current situation is governed by: without learned receiver groups a Layer 2 multicast stream may be flooded to unrelated ports, rather than merely a monitoring or presentation issue. Choosing this alternative would leave the question’s specific root-cause explanation unresolved.

B:

Layer 2 VLAN existence does not by itself supply a routed gateway interface. This option is based on the following distinct technical behavior: layer 2 VLAN existence does not by itself supply a routed gateway interface; a passing acceptance check would show that a test host reaches the SVI address and permitted off subnet destinations. The present question instead depends on this mechanism: without learned receiver groups a Layer 2 multicast stream may be flooded to unrelated ports, rather than merely a monitoring or presentation issue. That difference matters for the requested root-cause explanation.

D:

Mismatched optic characteristics prevent a valid light path despite correct switch configuration. In this question, the decisive issue is: without learned receiver groups a Layer 2 multicast stream may be flooded to unrelated ports, rather than merely a monitoring or presentation issue. That is why the offered option is not the most direct root-cause explanation.