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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 41

Question 400

The HPE AOS-CX switching case is: An operator restarts a VSX primary during maintenance without observing keepalive and secondary forwarding health. Select TWO: a corrective switching action and separate evidence that the correction worked. (Select TWO.)

  1. Use supported VSX LAG across two peers with coordinated ISL, keepalive, VLAN and active-gateway settings when dual-homed connectivity is required.
  2. Connect supported VSF access stacks to appropriate upstream distribution LAGs, STP and routed gateway services without inventing dual-control-plane behavior.
  3. End-to-end service checks prove correct syslog delivery, time, AAA fallback and authorized automation from the selected VRF.
  4. A switch-peer failure test confirms multichassis LAG membership, gateway operation and stable application reachability.
  5. Integrate switch configuration and monitoring with the intended Central deployment method while reconciling local changes, templates and device exceptions.

Explanation

Correct Answers

A:

The targeted correction for An operator restarts a VSX primary during maintenance without observing keepalive and secondary forwarding health is: Use supported VSX LAG across two peers with coordinated ISL, keepalive, VLAN and active-gateway settings when dual-homed connectivity is required. It reduces the risk that an upstream device attached to two independent unmanaged peers cannot safely treat them as one LACP aggregation partner.

D:

A separate operational validation for An operator restarts a VSX primary during maintenance without observing keepalive and secondary forwarding health is: A switch-peer failure test confirms multichassis LAG membership, gateway operation and stable application reachability. It proves intended behavior instead of accepting configuration presence alone.

Incorrect Answers

B:

This alternative concerns vsf stack and access integration to upstream distribution; its associated risk is: Incompatible aggregation or inconsistent VLAN tagging at a VSF uplink can disconnect an entire logical access stack. The observed case An operator restarts a VSX primary during maintenance without observing keepalive and secondary forwarding health requires the more specific vsx multi-chassis lag and network service integration control. The targeted action is: Use supported VSX LAG across two peers with coordinated ISL, keepalive, VLAN and active-gateway settings when dual-homed connectivity is required.

C:

This alternative concerns aos-cx integration with monitoring aaa and automation services; its associated risk is: Misrouted management traffic or excessive API privileges can hide outages and grant unintended configuration access. The observed case An operator restarts a VSX primary during maintenance without observing keepalive and secondary forwarding health requires the more specific vsx multi-chassis lag and network service integration control. The targeted action is: Use supported VSX LAG across two peers with coordinated ISL, keepalive, VLAN and active-gateway settings when dual-homed connectivity is required.

E:

This alternative concerns central and aos-cx configuration consistency; its associated risk is: A local fix that conflicts with centrally enforced state can disappear on the next synchronization cycle. The observed case An operator restarts a VSX primary during maintenance without observing keepalive and secondary forwarding health requires the more specific vsx multi-chassis lag and network service integration control. The targeted action is: Use supported VSX LAG across two peers with coordinated ISL, keepalive, VLAN and active-gateway settings when dual-homed connectivity is required.

Question 401

An HPE Aruba Networking engineer observes: A switch can ping user subnets but fails to send syslog because the management VRF lacks a route to the collector. The corrective solution must keep intended connectivity, segmentation, and operational resilience. Which change best addresses the observed switching requirement?

  1. Connect supported VSF access stacks to appropriate upstream distribution LAGs, STP and routed gateway services without inventing dual-control-plane behavior.
  2. Use supported VSX LAG across two peers with coordinated ISL, keepalive, VLAN and active-gateway settings when dual-homed connectivity is required.
  3. Integrate switch configuration and monitoring with the intended Central deployment method while reconciling local changes, templates and device exceptions.
  4. Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

Explanation

Correct Answer

D:

The decisive observed condition is: A switch can ping user subnets but fails to send syslog because the management VRF lacks a route to the collector. The appropriate switching action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities. It addresses the risk that misrouted management traffic or excessive API privileges can hide outages and grant unintended configuration access. Confirm with: End-to-end service checks prove correct syslog delivery, time, AAA fallback and authorized automation from the selected VRF.

Incorrect Answers

A:

This alternative concerns vsf stack and access integration to upstream distribution; its associated risk is: Incompatible aggregation or inconsistent VLAN tagging at a VSF uplink can disconnect an entire logical access stack. The observed case A switch can ping user subnets but fails to send syslog because the management VRF lacks a route to the collector requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

B:

This alternative concerns vsx multi-chassis lag and network service integration; its associated risk is: An upstream device attached to two independent unmanaged peers cannot safely treat them as one LACP aggregation partner. The observed case A switch can ping user subnets but fails to send syslog because the management VRF lacks a route to the collector requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

C:

This alternative concerns central and aos-cx configuration consistency; its associated risk is: A local fix that conflicts with centrally enforced state can disappear on the next synchronization cycle. The observed case A switch can ping user subnets but fails to send syslog because the management VRF lacks a route to the collector requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

Question 402

An engineer investigates: A switch can ping user subnets but fails to send syslog because the management VRF lacks a route to the collector. What network observation should the team require before approving completion?

  1. A controlled policy change remains effective after Central reconciliation and matches its intended device group and exceptions.
  2. A switch-peer failure test confirms multichassis LAG membership, gateway operation and stable application reachability.
  3. A member or uplink fault test preserves client traffic and confirms the intended logical LAG and VLAN states.
  4. End-to-end service checks prove correct syslog delivery, time, AAA fallback and authorized automation from the selected VRF.

Explanation

Correct Answer

D:

The independent acceptance evidence for A switch can ping user subnets but fails to send syslog because the management VRF lacks a route to the collector is: End-to-end service checks prove correct syslog delivery, time, AAA fallback and authorized automation from the selected VRF. It tests whether the team has actually implemented: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities. An enabled interface or saved configuration by itself is not evidence of complete service recovery.

Incorrect Answers

A:

This alternative concerns central and aos-cx configuration consistency; its associated risk is: A local fix that conflicts with centrally enforced state can disappear on the next synchronization cycle. The observed case A switch can ping user subnets but fails to send syslog because the management VRF lacks a route to the collector requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

B:

This alternative concerns vsx multi-chassis lag and network service integration; its associated risk is: An upstream device attached to two independent unmanaged peers cannot safely treat them as one LACP aggregation partner. The observed case A switch can ping user subnets but fails to send syslog because the management VRF lacks a route to the collector requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

C:

This alternative concerns vsf stack and access integration to upstream distribution; its associated risk is: Incompatible aggregation or inconsistent VLAN tagging at a VSF uplink can disconnect an entire logical access stack. The observed case A switch can ping user subnets but fails to send syslog because the management VRF lacks a route to the collector requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

Question 403

An HPE Aruba Networking engineer observes: A network monitoring integration shows incorrect event order because switch clocks are not synchronized. The corrective solution must keep intended connectivity, segmentation, and operational resilience. What is the most defensible operational action before closing the network change?

  1. Integrate switch configuration and monitoring with the intended Central deployment method while reconciling local changes, templates and device exceptions.
  2. Use supported VSX LAG across two peers with coordinated ISL, keepalive, VLAN and active-gateway settings when dual-homed connectivity is required.
  3. Connect supported VSF access stacks to appropriate upstream distribution LAGs, STP and routed gateway services without inventing dual-control-plane behavior.
  4. Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

Explanation

Correct Answer

D:

The decisive observed condition is: A network monitoring integration shows incorrect event order because switch clocks are not synchronized. The appropriate switching action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities. It addresses the risk that misrouted management traffic or excessive API privileges can hide outages and grant unintended configuration access. Confirm with: End-to-end service checks prove correct syslog delivery, time, AAA fallback and authorized automation from the selected VRF.

Incorrect Answers

A:

This alternative concerns central and aos-cx configuration consistency; its associated risk is: A local fix that conflicts with centrally enforced state can disappear on the next synchronization cycle. The observed case A network monitoring integration shows incorrect event order because switch clocks are not synchronized requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

B:

This alternative concerns vsx multi-chassis lag and network service integration; its associated risk is: An upstream device attached to two independent unmanaged peers cannot safely treat them as one LACP aggregation partner. The observed case A network monitoring integration shows incorrect event order because switch clocks are not synchronized requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

C:

This alternative concerns vsf stack and access integration to upstream distribution; its associated risk is: Incompatible aggregation or inconsistent VLAN tagging at a VSF uplink can disconnect an entire logical access stack. The observed case A network monitoring integration shows incorrect event order because switch clocks are not synchronized requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

Question 404

The switch operations team reports: A network monitoring integration shows incorrect event order because switch clocks are not synchronized. Which consequence explains why the described network state is unsuitable?

  1. A local fix that conflicts with centrally enforced state can disappear on the next synchronization cycle.
  2. An upstream device attached to two independent unmanaged peers cannot safely treat them as one LACP aggregation partner.
  3. Incompatible aggregation or inconsistent VLAN tagging at a VSF uplink can disconnect an entire logical access stack.
  4. Misrouted management traffic or excessive API privileges can hide outages and grant unintended configuration access.

Explanation

Correct Answer

D:

The direct operational failure mode is: Misrouted management traffic or excessive API privileges can hide outages and grant unintended configuration access. It applies to the condition A network monitoring integration shows incorrect event order because switch clocks are not synchronized. The suitable corrective action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities. Independently validate using: End-to-end service checks prove correct syslog delivery, time, AAA fallback and authorized automation from the selected VRF.

Incorrect Answers

A:

This alternative concerns central and aos-cx configuration consistency; its associated risk is: A local fix that conflicts with centrally enforced state can disappear on the next synchronization cycle. The observed case A network monitoring integration shows incorrect event order because switch clocks are not synchronized requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

B:

This alternative concerns vsx multi-chassis lag and network service integration; its associated risk is: An upstream device attached to two independent unmanaged peers cannot safely treat them as one LACP aggregation partner. The observed case A network monitoring integration shows incorrect event order because switch clocks are not synchronized requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

C:

This alternative concerns vsf stack and access integration to upstream distribution; its associated risk is: Incompatible aggregation or inconsistent VLAN tagging at a VSF uplink can disconnect an entire logical access stack. The observed case A network monitoring integration shows incorrect event order because switch clocks are not synchronized requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

Question 405

An HPE Aruba Networking engineer observes: An automation token has unrestricted switch write access although its job is only to collect inventory. The corrective solution must keep intended connectivity, segmentation, and operational resilience. Which implementation or troubleshooting step directly resolves the specific network issue?

  1. Connect supported VSF access stacks to appropriate upstream distribution LAGs, STP and routed gateway services without inventing dual-control-plane behavior.
  2. Integrate switch configuration and monitoring with the intended Central deployment method while reconciling local changes, templates and device exceptions.
  3. Use supported VSX LAG across two peers with coordinated ISL, keepalive, VLAN and active-gateway settings when dual-homed connectivity is required.
  4. Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

Explanation

Correct Answer

D:

The decisive observed condition is: An automation token has unrestricted switch write access although its job is only to collect inventory. The appropriate switching action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities. It addresses the risk that misrouted management traffic or excessive API privileges can hide outages and grant unintended configuration access. Confirm with: End-to-end service checks prove correct syslog delivery, time, AAA fallback and authorized automation from the selected VRF.

Incorrect Answers

A:

This alternative concerns vsf stack and access integration to upstream distribution; its associated risk is: Incompatible aggregation or inconsistent VLAN tagging at a VSF uplink can disconnect an entire logical access stack. The observed case An automation token has unrestricted switch write access although its job is only to collect inventory requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

B:

This alternative concerns central and aos-cx configuration consistency; its associated risk is: A local fix that conflicts with centrally enforced state can disappear on the next synchronization cycle. The observed case An automation token has unrestricted switch write access although its job is only to collect inventory requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

C:

This alternative concerns vsx multi-chassis lag and network service integration; its associated risk is: An upstream device attached to two independent unmanaged peers cannot safely treat them as one LACP aggregation partner. The observed case An automation token has unrestricted switch write access although its job is only to collect inventory requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

Question 406

An engineer investigates: An automation token has unrestricted switch write access although its job is only to collect inventory. What network observation should the team require before approving completion?

  1. A member or uplink fault test preserves client traffic and confirms the intended logical LAG and VLAN states.
  2. End-to-end service checks prove correct syslog delivery, time, AAA fallback and authorized automation from the selected VRF.
  3. A controlled policy change remains effective after Central reconciliation and matches its intended device group and exceptions.
  4. A switch-peer failure test confirms multichassis LAG membership, gateway operation and stable application reachability.

Explanation

Correct Answer

B:

The independent acceptance evidence for An automation token has unrestricted switch write access although its job is only to collect inventory is: End-to-end service checks prove correct syslog delivery, time, AAA fallback and authorized automation from the selected VRF. It tests whether the team has actually implemented: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities. An enabled interface or saved configuration by itself is not evidence of complete service recovery.

Incorrect Answers

A:

This alternative concerns vsf stack and access integration to upstream distribution; its associated risk is: Incompatible aggregation or inconsistent VLAN tagging at a VSF uplink can disconnect an entire logical access stack. The observed case An automation token has unrestricted switch write access although its job is only to collect inventory requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

C:

This alternative concerns central and aos-cx configuration consistency; its associated risk is: A local fix that conflicts with centrally enforced state can disappear on the next synchronization cycle. The observed case An automation token has unrestricted switch write access although its job is only to collect inventory requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

D:

This alternative concerns vsx multi-chassis lag and network service integration; its associated risk is: An upstream device attached to two independent unmanaged peers cannot safely treat them as one LACP aggregation partner. The observed case An automation token has unrestricted switch write access although its job is only to collect inventory requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

Question 407

An HPE Aruba Networking engineer observes: A campus stack loses centralized authentication during a routing failure because no documented emergency access remains. The corrective solution must keep intended connectivity, segmentation, and operational resilience. Which response best satisfies the technical requirement without disrupting unrelated traffic?

  1. Integrate switch configuration and monitoring with the intended Central deployment method while reconciling local changes, templates and device exceptions.
  2. Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.
  3. Connect supported VSF access stacks to appropriate upstream distribution LAGs, STP and routed gateway services without inventing dual-control-plane behavior.
  4. Use supported VSX LAG across two peers with coordinated ISL, keepalive, VLAN and active-gateway settings when dual-homed connectivity is required.

Explanation

Correct Answer

B:

The decisive observed condition is: A campus stack loses centralized authentication during a routing failure because no documented emergency access remains. The appropriate switching action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities. It addresses the risk that misrouted management traffic or excessive API privileges can hide outages and grant unintended configuration access. Confirm with: End-to-end service checks prove correct syslog delivery, time, AAA fallback and authorized automation from the selected VRF.

Incorrect Answers

A:

This alternative concerns central and aos-cx configuration consistency; its associated risk is: A local fix that conflicts with centrally enforced state can disappear on the next synchronization cycle. The observed case A campus stack loses centralized authentication during a routing failure because no documented emergency access remains requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

C:

This alternative concerns vsf stack and access integration to upstream distribution; its associated risk is: Incompatible aggregation or inconsistent VLAN tagging at a VSF uplink can disconnect an entire logical access stack. The observed case A campus stack loses centralized authentication during a routing failure because no documented emergency access remains requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

D:

This alternative concerns vsx multi-chassis lag and network service integration; its associated risk is: An upstream device attached to two independent unmanaged peers cannot safely treat them as one LACP aggregation partner. The observed case A campus stack loses centralized authentication during a routing failure because no documented emergency access remains requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

Question 408

The switch operations team reports: A campus stack loses centralized authentication during a routing failure because no documented emergency access remains. Which consequence explains why the described network state is unsuitable?

  1. A local fix that conflicts with centrally enforced state can disappear on the next synchronization cycle.
  2. Incompatible aggregation or inconsistent VLAN tagging at a VSF uplink can disconnect an entire logical access stack.
  3. An upstream device attached to two independent unmanaged peers cannot safely treat them as one LACP aggregation partner.
  4. Misrouted management traffic or excessive API privileges can hide outages and grant unintended configuration access.

Explanation

Correct Answer

D:

The direct operational failure mode is: Misrouted management traffic or excessive API privileges can hide outages and grant unintended configuration access. It applies to the condition A campus stack loses centralized authentication during a routing failure because no documented emergency access remains. The suitable corrective action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities. Independently validate using: End-to-end service checks prove correct syslog delivery, time, AAA fallback and authorized automation from the selected VRF.

Incorrect Answers

A:

This alternative concerns central and aos-cx configuration consistency; its associated risk is: A local fix that conflicts with centrally enforced state can disappear on the next synchronization cycle. The observed case A campus stack loses centralized authentication during a routing failure because no documented emergency access remains requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

B:

This alternative concerns vsf stack and access integration to upstream distribution; its associated risk is: Incompatible aggregation or inconsistent VLAN tagging at a VSF uplink can disconnect an entire logical access stack. The observed case A campus stack loses centralized authentication during a routing failure because no documented emergency access remains requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

C:

This alternative concerns vsx multi-chassis lag and network service integration; its associated risk is: An upstream device attached to two independent unmanaged peers cannot safely treat them as one LACP aggregation partner. The observed case A campus stack loses centralized authentication during a routing failure because no documented emergency access remains requires the more specific aos-cx integration with monitoring aaa and automation services control. The targeted action is: Integrate switch logging, NTP, DNS, authentication and programmatic controls using explicit management VRFs and restrictive service identities.

Question 409

An HPE Aruba Networking engineer observes: Two classroom PCs report the same IP address and intermittently steal each other's ARP entries. The corrective solution must keep intended connectivity, segmentation, and operational resilience. Which change best addresses the observed switching requirement?

  1. Start IP reachability triage by comparing host address, mask, default gateway and SVI subnet on the actual VLAN before changing routes.
  2. Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.
  3. Inspect MSTP region configuration, root election and per-instance port states to explain blocking or topology churn.
  4. Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

Explanation

Correct Answer

A:

The decisive observed condition is: Two classroom PCs report the same IP address and intermittently steal each other's ARP entries. The appropriate switching action is: Start IP reachability triage by comparing host address, mask, default gateway and SVI subnet on the actual VLAN before changing routes. It addresses the risk that a duplicate or off-subnet gateway can make traffic fail at the first hop even while switch links and route tables appear normal. Confirm with: A corrected test host ARPs for the intended gateway and reaches both a local peer and an approved remote subnet.

Incorrect Answers

B:

This alternative concerns vsx keepalive isl and peer-state fault; its associated risk is: An ISL failure without a correctly operating peer control path can disrupt dual-homed systems and complicate split recovery. The observed case Two classroom PCs report the same IP address and intermittently steal each other's ARP entries requires the more specific duplicate or mismatched host ipv4 settings control. The targeted action is: Start IP reachability triage by comparing host address, mask, default gateway and SVI subnet on the actual VLAN before changing routes.

C:

This alternative concerns spanning tree topology and root inconsistency; its associated risk is: An unexpected root or mismatched region can suppress the intended redundant forwarding path and cause intermittent client connectivity. The observed case Two classroom PCs report the same IP address and intermittently steal each other's ARP entries requires the more specific duplicate or mismatched host ipv4 settings control. The targeted action is: Start IP reachability triage by comparing host address, mask, default gateway and SVI subnet on the actual VLAN before changing routes.

D:

This alternative concerns vsf member identity and split detection fault; its associated risk is: A failed stack member or split may remove physical access ports and strand endpoints while the logical switch remains partially reachable. The observed case Two classroom PCs report the same IP address and intermittently steal each other's ARP entries requires the more specific duplicate or mismatched host ipv4 settings control. The targeted action is: Start IP reachability triage by comparing host address, mask, default gateway and SVI subnet on the actual VLAN before changing routes.

Question 410

The HPE AOS-CX switching case is: Two classroom PCs report the same IP address and intermittently steal each other's ARP entries. Which TWO choices together provide the targeted remedy and independent validation? (Select TWO.)

  1. Start IP reachability triage by comparing host address, mask, default gateway and SVI subnet on the actual VLAN before changing routes.
  2. Inspect MSTP region configuration, root election and per-instance port states to explain blocking or topology churn.
  3. VSX state, ISL and keepalive show expected health and host traffic remains available after one controlled peer fault.
  4. A corrected test host ARPs for the intended gateway and reaches both a local peer and an approved remote subnet.
  5. Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

Explanation

Correct Answers

A:

The targeted correction for Two classroom PCs report the same IP address and intermittently steal each other's ARP entries is: Start IP reachability triage by comparing host address, mask, default gateway and SVI subnet on the actual VLAN before changing routes. It reduces the risk that a duplicate or off-subnet gateway can make traffic fail at the first hop even while switch links and route tables appear normal.

D:

A separate operational validation for Two classroom PCs report the same IP address and intermittently steal each other's ARP entries is: A corrected test host ARPs for the intended gateway and reaches both a local peer and an approved remote subnet. It proves intended behavior instead of accepting configuration presence alone.

Incorrect Answers

B:

This alternative concerns spanning tree topology and root inconsistency; its associated risk is: An unexpected root or mismatched region can suppress the intended redundant forwarding path and cause intermittent client connectivity. The observed case Two classroom PCs report the same IP address and intermittently steal each other's ARP entries requires the more specific duplicate or mismatched host ipv4 settings control. The targeted action is: Start IP reachability triage by comparing host address, mask, default gateway and SVI subnet on the actual VLAN before changing routes.

C:

This alternative concerns vsx keepalive isl and peer-state fault; its associated risk is: An ISL failure without a correctly operating peer control path can disrupt dual-homed systems and complicate split recovery. The observed case Two classroom PCs report the same IP address and intermittently steal each other's ARP entries requires the more specific duplicate or mismatched host ipv4 settings control. The targeted action is: Start IP reachability triage by comparing host address, mask, default gateway and SVI subnet on the actual VLAN before changing routes.

E:

This alternative concerns vsf member identity and split detection fault; its associated risk is: A failed stack member or split may remove physical access ports and strand endpoints while the logical switch remains partially reachable. The observed case Two classroom PCs report the same IP address and intermittently steal each other's ARP entries requires the more specific duplicate or mismatched host ipv4 settings control. The targeted action is: Start IP reachability triage by comparing host address, mask, default gateway and SVI subnet on the actual VLAN before changing routes.