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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 47

Question 460

The HPE AOS-CX switching case is: A disconnected VSF ring link leaves the stack running in a reduced topology and the NOC overlooks the degraded state. Select TWO: a corrective switching action and separate evidence that the correction worked. (Select TWO.)

  1. A corrected test host ARPs for the intended gateway and reaches both a local peer and an approved remote subnet.
  2. Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.
  3. Use port operational status, optical diagnostics and CRC or FCS counters to distinguish physical failure from VLAN and routing issues.
  4. The stack returns to a single intended logical inventory with healthy member ports and validated failover.
  5. Check authorized DHCP offer path and access-port authentication state when clients cannot obtain usable connectivity.

Explanation

Correct Answers

B:

The targeted correction for A disconnected VSF ring link leaves the stack running in a reduced topology and the NOC overlooks the degraded state is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration. It reduces the risk that a failed stack member or split may remove physical access ports and strand endpoints while the logical switch remains partially reachable.

D:

A separate operational validation for A disconnected VSF ring link leaves the stack running in a reduced topology and the NOC overlooks the degraded state is: The stack returns to a single intended logical inventory with healthy member ports and validated failover. It proves intended behavior instead of accepting configuration presence alone.

Incorrect Answers

A:

This alternative concerns duplicate or mismatched host ipv4 settings; its associated risk is: A duplicate or off-subnet gateway can make traffic fail at the first hop even while switch links and route tables appear normal. The observed case A disconnected VSF ring link leaves the stack running in a reduced topology and the NOC overlooks the degraded state requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

C:

This alternative concerns ethernet carrier optic and physical fault isolation; its associated risk is: Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up. The observed case A disconnected VSF ring link leaves the stack running in a reduced topology and the NOC overlooks the degraded state requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

E:

This alternative concerns dhcp and wired-authentication first-hop failures; its associated risk is: A blocked DHCP relay or failed RADIUS policy can masquerade as a dead network even though forwarding interfaces remain operational. The observed case A disconnected VSF ring link leaves the stack running in a reduced topology and the NOC overlooks the degraded state requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

Question 461

An HPE Aruba Networking engineer observes: A conductor fails and the recovery plan assumes every member still offers an unrestricted independent management CLI. The corrective solution must keep intended connectivity, segmentation, and operational resilience. Which implementation or troubleshooting step directly resolves the specific network issue?

  1. Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.
  2. Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.
  3. Use port operational status, optical diagnostics and CRC or FCS counters to distinguish physical failure from VLAN and routing issues.
  4. Trace the affected VLAN over all inter-switch trunks and reconcile tagged or untagged handling at each hop.

Explanation

Correct Answer

B:

The decisive observed condition is: A conductor fails and the recovery plan assumes every member still offers an unrestricted independent management CLI. The appropriate switching action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration. It addresses the risk that a failed stack member or split may remove physical access ports and strand endpoints while the logical switch remains partially reachable. Confirm with: The stack returns to a single intended logical inventory with healthy member ports and validated failover.

Incorrect Answers

A:

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 A conductor fails and the recovery plan assumes every member still offers an unrestricted independent management CLI requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

C:

This alternative concerns ethernet carrier optic and physical fault isolation; its associated risk is: Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up. The observed case A conductor fails and the recovery plan assumes every member still offers an unrestricted independent management CLI requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

D:

This alternative concerns trunk allowed vlan and native tag fault detection; its associated risk is: One mismatched trunk can isolate an entire VLAN while other VLANs continue operating normally, obscuring the break. The observed case A conductor fails and the recovery plan assumes every member still offers an unrestricted independent management CLI requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

Question 462

An engineer investigates: A conductor fails and the recovery plan assumes every member still offers an unrestricted independent management CLI. Which test would independently confirm expected switch behavior?

  1. A repaired link maintains expected negotiation and clean counters across a sustained bidirectional traffic test.
  2. VSX state, ISL and keepalive show expected health and host traffic remains available after one controlled peer fault.
  3. A probe from each side of the affected trunk passes on the required VLAN without unapproved tag leakage.
  4. The stack returns to a single intended logical inventory with healthy member ports and validated failover.

Explanation

Correct Answer

D:

The independent acceptance evidence for A conductor fails and the recovery plan assumes every member still offers an unrestricted independent management CLI is: The stack returns to a single intended logical inventory with healthy member ports and validated failover. It tests whether the team has actually implemented: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration. An enabled interface or saved configuration by itself is not evidence of complete service recovery.

Incorrect Answers

A:

This alternative concerns ethernet carrier optic and physical fault isolation; its associated risk is: Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up. The observed case A conductor fails and the recovery plan assumes every member still offers an unrestricted independent management CLI requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

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 A conductor fails and the recovery plan assumes every member still offers an unrestricted independent management CLI requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

C:

This alternative concerns trunk allowed vlan and native tag fault detection; its associated risk is: One mismatched trunk can isolate an entire VLAN while other VLANs continue operating normally, obscuring the break. The observed case A conductor fails and the recovery plan assumes every member still offers an unrestricted independent management CLI requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

Question 463

An HPE Aruba Networking engineer observes: A closet experiences intermittent user outages because a stack uplink was mistakenly cabled into the wrong VSF port. The corrective solution must keep intended connectivity, segmentation, and operational resilience. Which response best satisfies the technical requirement without disrupting unrelated traffic?

  1. Use port operational status, optical diagnostics and CRC or FCS counters to distinguish physical failure from VLAN and routing issues.
  2. Trace the affected VLAN over all inter-switch trunks and reconcile tagged or untagged handling at each hop.
  3. Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.
  4. Compare a failed endpoint's observed MAC-learning VLAN, access interface membership and IP lease with the expected role.

Explanation

Correct Answer

C:

The decisive observed condition is: A closet experiences intermittent user outages because a stack uplink was mistakenly cabled into the wrong VSF port. The appropriate switching action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration. It addresses the risk that a failed stack member or split may remove physical access ports and strand endpoints while the logical switch remains partially reachable. Confirm with: The stack returns to a single intended logical inventory with healthy member ports and validated failover.

Incorrect Answers

A:

This alternative concerns ethernet carrier optic and physical fault isolation; its associated risk is: Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up. The observed case A closet experiences intermittent user outages because a stack uplink was mistakenly cabled into the wrong VSF port requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

B:

This alternative concerns trunk allowed vlan and native tag fault detection; its associated risk is: One mismatched trunk can isolate an entire VLAN while other VLANs continue operating normally, obscuring the break. The observed case A closet experiences intermittent user outages because a stack uplink was mistakenly cabled into the wrong VSF port requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

D:

This alternative concerns incorrect vlan access assignment identification; its associated risk is: A host in the wrong access VLAN can contact the wrong DHCP scope or become disconnected from its authorized services. The observed case A closet experiences intermittent user outages because a stack uplink was mistakenly cabled into the wrong VSF port requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

Question 464

The switch operations team reports: A closet experiences intermittent user outages because a stack uplink was mistakenly cabled into the wrong VSF port. What is the most relevant operational exposure in this switching scenario?

  1. One mismatched trunk can isolate an entire VLAN while other VLANs continue operating normally, obscuring the break.
  2. Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up.
  3. A host in the wrong access VLAN can contact the wrong DHCP scope or become disconnected from its authorized services.
  4. A failed stack member or split may remove physical access ports and strand endpoints while the logical switch remains partially reachable.

Explanation

Correct Answer

D:

The direct operational failure mode is: A failed stack member or split may remove physical access ports and strand endpoints while the logical switch remains partially reachable. It applies to the condition A closet experiences intermittent user outages because a stack uplink was mistakenly cabled into the wrong VSF port. The suitable corrective action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration. Independently validate using: The stack returns to a single intended logical inventory with healthy member ports and validated failover.

Incorrect Answers

A:

This alternative concerns trunk allowed vlan and native tag fault detection; its associated risk is: One mismatched trunk can isolate an entire VLAN while other VLANs continue operating normally, obscuring the break. The observed case A closet experiences intermittent user outages because a stack uplink was mistakenly cabled into the wrong VSF port requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

B:

This alternative concerns ethernet carrier optic and physical fault isolation; its associated risk is: Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up. The observed case A closet experiences intermittent user outages because a stack uplink was mistakenly cabled into the wrong VSF port requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

C:

This alternative concerns incorrect vlan access assignment identification; its associated risk is: A host in the wrong access VLAN can contact the wrong DHCP scope or become disconnected from its authorized services. The observed case A closet experiences intermittent user outages because a stack uplink was mistakenly cabled into the wrong VSF port requires the more specific vsf member identity and split detection fault control. The targeted action is: Review VSF member status, conductor role, topology and stack link health before treating missing interfaces as VLAN misconfiguration.

Question 465

An HPE Aruba Networking engineer observes: A server attached to two VSX distribution peers becomes unreachable after the ISL link is disconnected. The corrective solution must keep intended connectivity, segmentation, and operational resilience. Which change best addresses the observed switching requirement?

  1. Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.
  2. Use port operational status, optical diagnostics and CRC or FCS counters to distinguish physical failure from VLAN and routing issues.
  3. Check authorized DHCP offer path and access-port authentication state when clients cannot obtain usable connectivity.
  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: A server attached to two VSX distribution peers becomes unreachable after the ISL link is disconnected. The appropriate switching action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric. It addresses the risk that an ISL failure without a correctly operating peer control path can disrupt dual-homed systems and complicate split recovery. Confirm with: VSX state, ISL and keepalive show expected health and host traffic remains available after one controlled peer fault.

Incorrect Answers

B:

This alternative concerns ethernet carrier optic and physical fault isolation; its associated risk is: Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up. The observed case A server attached to two VSX distribution peers becomes unreachable after the ISL link is disconnected requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

C:

This alternative concerns dhcp and wired-authentication first-hop failures; its associated risk is: A blocked DHCP relay or failed RADIUS policy can masquerade as a dead network even though forwarding interfaces remain operational. The observed case A server attached to two VSX distribution peers becomes unreachable after the ISL link is disconnected requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

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 A server attached to two VSX distribution peers becomes unreachable after the ISL link is disconnected requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

Question 466

An engineer investigates: A server attached to two VSX distribution peers becomes unreachable after the ISL link is disconnected. What network observation should the team require before approving completion?

  1. A repaired link maintains expected negotiation and clean counters across a sustained bidirectional traffic test.
  2. A compliant endpoint authenticates into its expected role and receives an authorized lease with correct gateway and DNS.
  3. The stack returns to a single intended logical inventory with healthy member ports and validated failover.
  4. VSX state, ISL and keepalive show expected health and host traffic remains available after one controlled peer fault.

Explanation

Correct Answer

D:

The independent acceptance evidence for A server attached to two VSX distribution peers becomes unreachable after the ISL link is disconnected is: VSX state, ISL and keepalive show expected health and host traffic remains available after one controlled peer fault. It tests whether the team has actually implemented: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric. An enabled interface or saved configuration by itself is not evidence of complete service recovery.

Incorrect Answers

A:

This alternative concerns ethernet carrier optic and physical fault isolation; its associated risk is: Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up. The observed case A server attached to two VSX distribution peers becomes unreachable after the ISL link is disconnected requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

B:

This alternative concerns dhcp and wired-authentication first-hop failures; its associated risk is: A blocked DHCP relay or failed RADIUS policy can masquerade as a dead network even though forwarding interfaces remain operational. The observed case A server attached to two VSX distribution peers becomes unreachable after the ISL link is disconnected requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

C:

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 A server attached to two VSX distribution peers becomes unreachable after the ISL link is disconnected requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

Question 467

An HPE Aruba Networking engineer observes: A secondary VSX peer advertises different active gateway values and users intermittently choose the wrong neighbor entry. The corrective solution must keep intended connectivity, segmentation, and operational resilience. What is the most defensible operational action before closing the network change?

  1. Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.
  2. Compare a failed endpoint's observed MAC-learning VLAN, access interface membership and IP lease with the expected role.
  3. Start IP reachability triage by comparing host address, mask, default gateway and SVI subnet on the actual VLAN before changing routes.
  4. Use port operational status, optical diagnostics and CRC or FCS counters to distinguish physical failure from VLAN and routing issues.

Explanation

Correct Answer

A:

The decisive observed condition is: A secondary VSX peer advertises different active gateway values and users intermittently choose the wrong neighbor entry. The appropriate switching action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric. It addresses the risk that an ISL failure without a correctly operating peer control path can disrupt dual-homed systems and complicate split recovery. Confirm with: VSX state, ISL and keepalive show expected health and host traffic remains available after one controlled peer fault.

Incorrect Answers

B:

This alternative concerns incorrect vlan access assignment identification; its associated risk is: A host in the wrong access VLAN can contact the wrong DHCP scope or become disconnected from its authorized services. The observed case A secondary VSX peer advertises different active gateway values and users intermittently choose the wrong neighbor entry requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

C:

This alternative concerns duplicate or mismatched host ipv4 settings; its associated risk is: A duplicate or off-subnet gateway can make traffic fail at the first hop even while switch links and route tables appear normal. The observed case A secondary VSX peer advertises different active gateway values and users intermittently choose the wrong neighbor entry requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

D:

This alternative concerns ethernet carrier optic and physical fault isolation; its associated risk is: Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up. The observed case A secondary VSX peer advertises different active gateway values and users intermittently choose the wrong neighbor entry requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

Question 468

The switch operations team reports: A secondary VSX peer advertises different active gateway values and users intermittently choose the wrong neighbor entry. Which consequence explains why the described network state is unsuitable?

  1. A host in the wrong access VLAN can contact the wrong DHCP scope or become disconnected from its authorized services.
  2. An ISL failure without a correctly operating peer control path can disrupt dual-homed systems and complicate split recovery.
  3. A duplicate or off-subnet gateway can make traffic fail at the first hop even while switch links and route tables appear normal.
  4. Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up.

Explanation

Correct Answer

B:

The direct operational failure mode is: An ISL failure without a correctly operating peer control path can disrupt dual-homed systems and complicate split recovery. It applies to the condition A secondary VSX peer advertises different active gateway values and users intermittently choose the wrong neighbor entry. The suitable corrective action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric. Independently validate using: VSX state, ISL and keepalive show expected health and host traffic remains available after one controlled peer fault.

Incorrect Answers

A:

This alternative concerns incorrect vlan access assignment identification; its associated risk is: A host in the wrong access VLAN can contact the wrong DHCP scope or become disconnected from its authorized services. The observed case A secondary VSX peer advertises different active gateway values and users intermittently choose the wrong neighbor entry requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

C:

This alternative concerns duplicate or mismatched host ipv4 settings; its associated risk is: A duplicate or off-subnet gateway can make traffic fail at the first hop even while switch links and route tables appear normal. The observed case A secondary VSX peer advertises different active gateway values and users intermittently choose the wrong neighbor entry requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

D:

This alternative concerns ethernet carrier optic and physical fault isolation; its associated risk is: Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up. The observed case A secondary VSX peer advertises different active gateway values and users intermittently choose the wrong neighbor entry requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

Question 469

An HPE Aruba Networking engineer observes: The monitoring console shows an ISL outage but a network engineer misattributes the symptom to an unrelated DNS issue. The corrective solution must keep intended connectivity, segmentation, and operational resilience. Which implementation or troubleshooting step directly resolves the specific network issue?

  1. Trace the affected VLAN over all inter-switch trunks and reconcile tagged or untagged handling at each hop.
  2. Use port operational status, optical diagnostics and CRC or FCS counters to distinguish physical failure from VLAN and routing issues.
  3. Inspect MSTP region configuration, root election and per-instance port states to explain blocking or topology churn.
  4. Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

Explanation

Correct Answer

D:

The decisive observed condition is: The monitoring console shows an ISL outage but a network engineer misattributes the symptom to an unrelated DNS issue. The appropriate switching action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric. It addresses the risk that an ISL failure without a correctly operating peer control path can disrupt dual-homed systems and complicate split recovery. Confirm with: VSX state, ISL and keepalive show expected health and host traffic remains available after one controlled peer fault.

Incorrect Answers

A:

This alternative concerns trunk allowed vlan and native tag fault detection; its associated risk is: One mismatched trunk can isolate an entire VLAN while other VLANs continue operating normally, obscuring the break. The observed case The monitoring console shows an ISL outage but a network engineer misattributes the symptom to an unrelated DNS issue requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

B:

This alternative concerns ethernet carrier optic and physical fault isolation; its associated risk is: Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up. The observed case The monitoring console shows an ISL outage but a network engineer misattributes the symptom to an unrelated DNS issue requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

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 The monitoring console shows an ISL outage but a network engineer misattributes the symptom to an unrelated DNS issue requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

Question 470

The HPE AOS-CX switching case is: The monitoring console shows an ISL outage but a network engineer misattributes the symptom to an unrelated DNS issue. Which TWO choices together provide the targeted remedy and independent validation? (Select TWO.)

  1. Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.
  2. A repaired link maintains expected negotiation and clean counters across a sustained bidirectional traffic test.
  3. VSX state, ISL and keepalive show expected health and host traffic remains available after one controlled peer fault.
  4. Trace the affected VLAN over all inter-switch trunks and reconcile tagged or untagged handling at each hop.
  5. Inspect MSTP region configuration, root election and per-instance port states to explain blocking or topology churn.

Explanation

Correct Answers

A:

The targeted correction for The monitoring console shows an ISL outage but a network engineer misattributes the symptom to an unrelated DNS issue is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric. It reduces the risk that an ISL failure without a correctly operating peer control path can disrupt dual-homed systems and complicate split recovery.

C:

A separate operational validation for The monitoring console shows an ISL outage but a network engineer misattributes the symptom to an unrelated DNS issue is: VSX state, ISL and keepalive show expected health and host traffic remains available after one controlled peer fault. It proves intended behavior instead of accepting configuration presence alone.

Incorrect Answers

B:

This alternative concerns ethernet carrier optic and physical fault isolation; its associated risk is: Repeated CRC errors or light loss can mimic application failures even when the port intermittently reports up. The observed case The monitoring console shows an ISL outage but a network engineer misattributes the symptom to an unrelated DNS issue requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

D:

This alternative concerns trunk allowed vlan and native tag fault detection; its associated risk is: One mismatched trunk can isolate an entire VLAN while other VLANs continue operating normally, obscuring the break. The observed case The monitoring console shows an ISL outage but a network engineer misattributes the symptom to an unrelated DNS issue requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.

E:

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 The monitoring console shows an ISL outage but a network engineer misattributes the symptom to an unrelated DNS issue requires the more specific vsx keepalive isl and peer-state fault control. The targeted action is: Check VSX peer roles, ISL state, separate keepalive and multichassis LAG status when distribution connectivity is asymmetric.