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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 10

Question 90

The HPE AOS-CX switching case is: Two distribution switches accidentally use conflicting physical SVI addresses because the design confuses them with a shared virtual gateway. Which TWO choices together provide the targeted remedy and independent validation? (Select TWO.)

  1. Define access, aggregation and core boundaries, link roles and failure domains before selecting redundancy and spanning-tree approaches.
  2. Select a consistent MSTP region/root placement or appropriate VSX/VSF active uplink design based on the actual Layer 2 topology.
  3. A new host receives the intended address scope, gateway and DNS from an approved server across the routed boundary.
  4. Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.
  5. A routed path test confirms intended gateway ownership, bidirectional prefixes and recovery after an uplink outage.

Explanation

Correct Answers

D:

The targeted correction for Two distribution switches accidentally use conflicting physical SVI addresses because the design confuses them with a shared virtual gateway is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation. It reduces the risk that placing IP gateways on the wrong layer can lead to asymmetric paths, duplicate addresses or traffic hairpinning.

E:

A separate operational validation for Two distribution switches accidentally use conflicting physical SVI addresses because the design confuses them with a shared virtual gateway is: A routed path test confirms intended gateway ownership, bidirectional prefixes and recovery after an uplink outage. It proves intended behavior instead of accepting configuration presence alone.

Incorrect Answers

A:

This alternative concerns campus topology and failure-domain planning; its associated risk is: Undocumented failure boundaries can turn an access-layer defect into a campus-wide event and obscure recovery responsibility. The observed case Two distribution switches accidentally use conflicting physical SVI addresses because the design confuses them with a shared virtual gateway requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

B:

This alternative concerns mstp root and vsx edge redundancy plan; its associated risk is: Mismatched MST regions and unintended root placement may block the wrong links and prolong convergence. The observed case Two distribution switches accidentally use conflicting physical SVI addresses because the design confuses them with a shared virtual gateway requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

C:

This alternative concerns dhcp relay and ip service planning; its associated risk is: A missing relay or permissive rogue-server path can leave new VLAN users disconnected or misconfigured. The observed case Two distribution switches accidentally use conflicting physical SVI addresses because the design confuses them with a shared virtual gateway requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

Question 91

An HPE Aruba Networking engineer observes: A branch host receives a correct subnet mask but its default gateway exists only in a remote isolated VLAN. The corrective solution must keep intended connectivity, segmentation, and operational resilience. What is the most defensible operational action before closing the network change?

  1. Map VLAN IDs, switchport tagging, Layer 3 gateways and traffic-policy boundaries to actual user and device populations.
  2. Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.
  3. Identify client VLAN boundaries, relay targets, routing and DHCP protection controls so hosts obtain addresses from authorized servers.
  4. Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

Explanation

Correct Answer

B:

The decisive observed condition is: A branch host receives a correct subnet mask but its default gateway exists only in a remote isolated VLAN. The appropriate switching action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation. It addresses the risk that placing IP gateways on the wrong layer can lead to asymmetric paths, duplicate addresses or traffic hairpinning. Confirm with: A routed path test confirms intended gateway ownership, bidirectional prefixes and recovery after an uplink outage.

Incorrect Answers

A:

This alternative concerns vlan and subnet segmentation design; its associated risk is: A reused VLAN ID or unplanned trunk allowance can bridge separated device classes or silently block a required service. The observed case A branch host receives a correct subnet mask but its default gateway exists only in a remote isolated VLAN requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

C:

This alternative concerns dhcp relay and ip service planning; its associated risk is: A missing relay or permissive rogue-server path can leave new VLAN users disconnected or misconfigured. The observed case A branch host receives a correct subnet mask but its default gateway exists only in a remote isolated VLAN requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

D:

This alternative concerns lacp bandwidth and uplink resiliency planning; its associated risk is: A multi-chassis bundle planned without a supported peer technology can fail to aggregate or loop after partial failures. The observed case A branch host receives a correct subnet mask but its default gateway exists only in a remote isolated VLAN requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

Question 92

The switch operations team reports: A branch host receives a correct subnet mask but its default gateway exists only in a remote isolated VLAN. What adverse switching behavior should the engineer anticipate?

  1. A reused VLAN ID or unplanned trunk allowance can bridge separated device classes or silently block a required service.
  2. Placing IP gateways on the wrong layer can lead to asymmetric paths, duplicate addresses or traffic hairpinning.
  3. A missing relay or permissive rogue-server path can leave new VLAN users disconnected or misconfigured.
  4. A multi-chassis bundle planned without a supported peer technology can fail to aggregate or loop after partial failures.

Explanation

Correct Answer

B:

The direct operational failure mode is: Placing IP gateways on the wrong layer can lead to asymmetric paths, duplicate addresses or traffic hairpinning. It applies to the condition A branch host receives a correct subnet mask but its default gateway exists only in a remote isolated VLAN. The suitable corrective action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation. Independently validate using: A routed path test confirms intended gateway ownership, bidirectional prefixes and recovery after an uplink outage.

Incorrect Answers

A:

This alternative concerns vlan and subnet segmentation design; its associated risk is: A reused VLAN ID or unplanned trunk allowance can bridge separated device classes or silently block a required service. The observed case A branch host receives a correct subnet mask but its default gateway exists only in a remote isolated VLAN requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

C:

This alternative concerns dhcp relay and ip service planning; its associated risk is: A missing relay or permissive rogue-server path can leave new VLAN users disconnected or misconfigured. The observed case A branch host receives a correct subnet mask but its default gateway exists only in a remote isolated VLAN requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

D:

This alternative concerns lacp bandwidth and uplink resiliency planning; its associated risk is: A multi-chassis bundle planned without a supported peer technology can fail to aggregate or loop after partial failures. The observed case A branch host receives a correct subnet mask but its default gateway exists only in a remote isolated VLAN requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

Question 93

An HPE Aruba Networking engineer observes: A campus core has a route to a server subnet but no reciprocal route back to the user access network. The corrective solution must keep intended connectivity, segmentation, and operational resilience. Which implementation or troubleshooting step directly resolves the specific network issue?

  1. Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.
  2. Translate customer requirements into tested topology, configuration, compatibility and handoff criteria before writing switch commands.
  3. Define access, aggregation and core boundaries, link roles and failure domains before selecting redundancy and spanning-tree approaches.
  4. Identify client VLAN boundaries, relay targets, routing and DHCP protection controls so hosts obtain addresses from authorized servers.

Explanation

Correct Answer

A:

The decisive observed condition is: A campus core has a route to a server subnet but no reciprocal route back to the user access network. The appropriate switching action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation. It addresses the risk that placing IP gateways on the wrong layer can lead to asymmetric paths, duplicate addresses or traffic hairpinning. Confirm with: A routed path test confirms intended gateway ownership, bidirectional prefixes and recovery after an uplink outage.

Incorrect Answers

B:

This alternative concerns implementation acceptance and requirements traceability; its associated risk is: A switch configuration that appears operational can still violate segmentation, availability or application service requirements absent explicit acceptance criteria. The observed case A campus core has a route to a server subnet but no reciprocal route back to the user access network requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

C:

This alternative concerns campus topology and failure-domain planning; its associated risk is: Undocumented failure boundaries can turn an access-layer defect into a campus-wide event and obscure recovery responsibility. The observed case A campus core has a route to a server subnet but no reciprocal route back to the user access network requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

D:

This alternative concerns dhcp relay and ip service planning; its associated risk is: A missing relay or permissive rogue-server path can leave new VLAN users disconnected or misconfigured. The observed case A campus core has a route to a server subnet but no reciprocal route back to the user access network requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

Question 94

An engineer investigates: A campus core has a route to a server subnet but no reciprocal route back to the user access network. Which verification proves the intended operational state rather than just a saved configuration?

  1. A topology diagram and controlled fault injection identify which users and uplinks remain available after each expected component failure.
  2. A new host receives the intended address scope, gateway and DNS from an approved server across the routed boundary.
  3. A routed path test confirms intended gateway ownership, bidirectional prefixes and recovery after an uplink outage.
  4. A traceability matrix connects each requirement to an implementation decision, verification command or user-facing test.

Explanation

Correct Answer

C:

The independent acceptance evidence for A campus core has a route to a server subnet but no reciprocal route back to the user access network is: A routed path test confirms intended gateway ownership, bidirectional prefixes and recovery after an uplink outage. It tests whether the team has actually implemented: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation. An enabled interface or saved configuration by itself is not evidence of complete service recovery.

Incorrect Answers

A:

This alternative concerns campus topology and failure-domain planning; its associated risk is: Undocumented failure boundaries can turn an access-layer defect into a campus-wide event and obscure recovery responsibility. The observed case A campus core has a route to a server subnet but no reciprocal route back to the user access network requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

B:

This alternative concerns dhcp relay and ip service planning; its associated risk is: A missing relay or permissive rogue-server path can leave new VLAN users disconnected or misconfigured. The observed case A campus core has a route to a server subnet but no reciprocal route back to the user access network requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

D:

This alternative concerns implementation acceptance and requirements traceability; its associated risk is: A switch configuration that appears operational can still violate segmentation, availability or application service requirements absent explicit acceptance criteria. The observed case A campus core has a route to a server subnet but no reciprocal route back to the user access network requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

Question 95

An HPE Aruba Networking engineer observes: An engineer enables routing on an access switch without checking whether this design is supported on that exact switch SKU. The corrective solution must keep intended connectivity, segmentation, and operational resilience. Which response best satisfies the technical requirement without disrupting unrelated traffic?

  1. Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.
  2. Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.
  3. Identify client VLAN boundaries, relay targets, routing and DHCP protection controls so hosts obtain addresses from authorized servers.
  4. Select a consistent MSTP region/root placement or appropriate VSX/VSF active uplink design based on the actual Layer 2 topology.

Explanation

Correct Answer

A:

The decisive observed condition is: An engineer enables routing on an access switch without checking whether this design is supported on that exact switch SKU. The appropriate switching action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation. It addresses the risk that placing IP gateways on the wrong layer can lead to asymmetric paths, duplicate addresses or traffic hairpinning. Confirm with: A routed path test confirms intended gateway ownership, bidirectional prefixes and recovery after an uplink outage.

Incorrect Answers

B:

This alternative concerns lacp bandwidth and uplink resiliency planning; its associated risk is: A multi-chassis bundle planned without a supported peer technology can fail to aggregate or loop after partial failures. The observed case An engineer enables routing on an access switch without checking whether this design is supported on that exact switch SKU requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

C:

This alternative concerns dhcp relay and ip service planning; its associated risk is: A missing relay or permissive rogue-server path can leave new VLAN users disconnected or misconfigured. The observed case An engineer enables routing on an access switch without checking whether this design is supported on that exact switch SKU requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

D:

This alternative concerns mstp root and vsx edge redundancy plan; its associated risk is: Mismatched MST regions and unintended root placement may block the wrong links and prolong convergence. The observed case An engineer enables routing on an access switch without checking whether this design is supported on that exact switch SKU requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

Question 96

The switch operations team reports: An engineer enables routing on an access switch without checking whether this design is supported on that exact switch SKU. What adverse switching behavior should the engineer anticipate?

  1. A multi-chassis bundle planned without a supported peer technology can fail to aggregate or loop after partial failures.
  2. Mismatched MST regions and unintended root placement may block the wrong links and prolong convergence.
  3. Placing IP gateways on the wrong layer can lead to asymmetric paths, duplicate addresses or traffic hairpinning.
  4. A missing relay or permissive rogue-server path can leave new VLAN users disconnected or misconfigured.

Explanation

Correct Answer

C:

The direct operational failure mode is: Placing IP gateways on the wrong layer can lead to asymmetric paths, duplicate addresses or traffic hairpinning. It applies to the condition An engineer enables routing on an access switch without checking whether this design is supported on that exact switch SKU. The suitable corrective action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation. Independently validate using: A routed path test confirms intended gateway ownership, bidirectional prefixes and recovery after an uplink outage.

Incorrect Answers

A:

This alternative concerns lacp bandwidth and uplink resiliency planning; its associated risk is: A multi-chassis bundle planned without a supported peer technology can fail to aggregate or loop after partial failures. The observed case An engineer enables routing on an access switch without checking whether this design is supported on that exact switch SKU requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

B:

This alternative concerns mstp root and vsx edge redundancy plan; its associated risk is: Mismatched MST regions and unintended root placement may block the wrong links and prolong convergence. The observed case An engineer enables routing on an access switch without checking whether this design is supported on that exact switch SKU requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

D:

This alternative concerns dhcp relay and ip service planning; its associated risk is: A missing relay or permissive rogue-server path can leave new VLAN users disconnected or misconfigured. The observed case An engineer enables routing on an access switch without checking whether this design is supported on that exact switch SKU requires the more specific inter-vlan routing and default gateway placement control. The targeted action is: Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

Question 97

An HPE Aruba Networking engineer observes: A campus access stack needs a redundant upstream LAG but the ports land on two unrelated switches with no shared aggregation capability. The corrective solution must keep intended connectivity, segmentation, and operational resilience. Which change best addresses the observed switching requirement?

  1. Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.
  2. Map VLAN IDs, switchport tagging, Layer 3 gateways and traffic-policy boundaries to actual user and device populations.
  3. Define access, aggregation and core boundaries, link roles and failure domains before selecting redundancy and spanning-tree approaches.
  4. Specify supported SVI gateways, routed uplinks, static or dynamic routing and redundancy placement before implementation.

Explanation

Correct Answer

A:

The decisive observed condition is: A campus access stack needs a redundant upstream LAG but the ports land on two unrelated switches with no shared aggregation capability. The appropriate switching action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries. It addresses the risk that a multi-chassis bundle planned without a supported peer technology can fail to aggregate or loop after partial failures. Confirm with: A lab simulates one member loss and verifies the logical LAG remains up with expected capacity and forwarding.

Incorrect Answers

B:

This alternative concerns vlan and subnet segmentation design; its associated risk is: A reused VLAN ID or unplanned trunk allowance can bridge separated device classes or silently block a required service. The observed case A campus access stack needs a redundant upstream LAG but the ports land on two unrelated switches with no shared aggregation capability requires the more specific lacp bandwidth and uplink resiliency planning control. The targeted action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

C:

This alternative concerns campus topology and failure-domain planning; its associated risk is: Undocumented failure boundaries can turn an access-layer defect into a campus-wide event and obscure recovery responsibility. The observed case A campus access stack needs a redundant upstream LAG but the ports land on two unrelated switches with no shared aggregation capability requires the more specific lacp bandwidth and uplink resiliency planning control. The targeted action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

D:

This alternative concerns inter-vlan routing and default gateway placement; its associated risk is: Placing IP gateways on the wrong layer can lead to asymmetric paths, duplicate addresses or traffic hairpinning. The observed case A campus access stack needs a redundant upstream LAG but the ports land on two unrelated switches with no shared aggregation capability requires the more specific lacp bandwidth and uplink resiliency planning control. The targeted action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

Question 98

An engineer investigates: A campus access stack needs a redundant upstream LAG but the ports land on two unrelated switches with no shared aggregation capability. What acceptance evidence most directly demonstrates the correction succeeded?

  1. A permitted test host reaches its gateway in the intended VLAN while cross-segment traffic follows the approved policy.
  2. A lab simulates one member loss and verifies the logical LAG remains up with expected capacity and forwarding.
  3. A routed path test confirms intended gateway ownership, bidirectional prefixes and recovery after an uplink outage.
  4. A topology diagram and controlled fault injection identify which users and uplinks remain available after each expected component failure.

Explanation

Correct Answer

B:

The independent acceptance evidence for A campus access stack needs a redundant upstream LAG but the ports land on two unrelated switches with no shared aggregation capability is: A lab simulates one member loss and verifies the logical LAG remains up with expected capacity and forwarding. It tests whether the team has actually implemented: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries. An enabled interface or saved configuration by itself is not evidence of complete service recovery.

Incorrect Answers

A:

This alternative concerns vlan and subnet segmentation design; its associated risk is: A reused VLAN ID or unplanned trunk allowance can bridge separated device classes or silently block a required service. The observed case A campus access stack needs a redundant upstream LAG but the ports land on two unrelated switches with no shared aggregation capability requires the more specific lacp bandwidth and uplink resiliency planning control. The targeted action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

C:

This alternative concerns inter-vlan routing and default gateway placement; its associated risk is: Placing IP gateways on the wrong layer can lead to asymmetric paths, duplicate addresses or traffic hairpinning. The observed case A campus access stack needs a redundant upstream LAG but the ports land on two unrelated switches with no shared aggregation capability requires the more specific lacp bandwidth and uplink resiliency planning control. The targeted action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

D:

This alternative concerns campus topology and failure-domain planning; its associated risk is: Undocumented failure boundaries can turn an access-layer defect into a campus-wide event and obscure recovery responsibility. The observed case A campus access stack needs a redundant upstream LAG but the ports land on two unrelated switches with no shared aggregation capability requires the more specific lacp bandwidth and uplink resiliency planning control. The targeted action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

Question 99

An HPE Aruba Networking engineer observes: Two 10G uplinks are expected to behave as one 20G flow even though hashing may keep one flow on a single member. The corrective solution must keep intended connectivity, segmentation, and operational resilience. What is the most defensible operational action before closing the network change?

  1. Map VLAN IDs, switchport tagging, Layer 3 gateways and traffic-policy boundaries to actual user and device populations.
  2. Select a consistent MSTP region/root placement or appropriate VSX/VSF active uplink design based on the actual Layer 2 topology.
  3. Plan resilient management addressing, VRF separation, DNS, time, AAA and emergency access before connecting production uplinks.
  4. Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

Explanation

Correct Answer

D:

The decisive observed condition is: Two 10G uplinks are expected to behave as one 20G flow even though hashing may keep one flow on a single member. The appropriate switching action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries. It addresses the risk that a multi-chassis bundle planned without a supported peer technology can fail to aggregate or loop after partial failures. Confirm with: A lab simulates one member loss and verifies the logical LAG remains up with expected capacity and forwarding.

Incorrect Answers

A:

This alternative concerns vlan and subnet segmentation design; its associated risk is: A reused VLAN ID or unplanned trunk allowance can bridge separated device classes or silently block a required service. The observed case Two 10G uplinks are expected to behave as one 20G flow even though hashing may keep one flow on a single member requires the more specific lacp bandwidth and uplink resiliency planning control. The targeted action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

B:

This alternative concerns mstp root and vsx edge redundancy plan; its associated risk is: Mismatched MST regions and unintended root placement may block the wrong links and prolong convergence. The observed case Two 10G uplinks are expected to behave as one 20G flow even though hashing may keep one flow on a single member requires the more specific lacp bandwidth and uplink resiliency planning control. The targeted action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

C:

This alternative concerns out-of-band management and management vrf design; its associated risk is: A network outage may become unrecoverable when the only management path follows the same failed control or data plane. The observed case Two 10G uplinks are expected to behave as one 20G flow even though hashing may keep one flow on a single member requires the more specific lacp bandwidth and uplink resiliency planning control. The targeted action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

Question 100

The HPE AOS-CX switching case is: Two 10G uplinks are expected to behave as one 20G flow even though hashing may keep one flow on a single member. Select TWO: a corrective switching action and separate evidence that the correction worked. (Select TWO.)

  1. Plan resilient management addressing, VRF separation, DNS, time, AAA and emergency access before connecting production uplinks.
  2. Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.
  3. A lab simulates one member loss and verifies the logical LAG remains up with expected capacity and forwarding.
  4. Map VLAN IDs, switchport tagging, Layer 3 gateways and traffic-policy boundaries to actual user and device populations.
  5. Failure testing verifies expected root, forwarding paths and reachability with one access or distribution component unavailable.

Explanation

Correct Answers

B:

The targeted correction for Two 10G uplinks are expected to behave as one 20G flow even though hashing may keep one flow on a single member is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries. It reduces the risk that a multi-chassis bundle planned without a supported peer technology can fail to aggregate or loop after partial failures.

C:

A separate operational validation for Two 10G uplinks are expected to behave as one 20G flow even though hashing may keep one flow on a single member is: A lab simulates one member loss and verifies the logical LAG remains up with expected capacity and forwarding. It proves intended behavior instead of accepting configuration presence alone.

Incorrect Answers

A:

This alternative concerns out-of-band management and management vrf design; its associated risk is: A network outage may become unrecoverable when the only management path follows the same failed control or data plane. The observed case Two 10G uplinks are expected to behave as one 20G flow even though hashing may keep one flow on a single member requires the more specific lacp bandwidth and uplink resiliency planning control. The targeted action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

D:

This alternative concerns vlan and subnet segmentation design; its associated risk is: A reused VLAN ID or unplanned trunk allowance can bridge separated device classes or silently block a required service. The observed case Two 10G uplinks are expected to behave as one 20G flow even though hashing may keep one flow on a single member requires the more specific lacp bandwidth and uplink resiliency planning control. The targeted action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.

E:

This alternative concerns mstp root and vsx edge redundancy plan; its associated risk is: Mismatched MST regions and unintended root placement may block the wrong links and prolong convergence. The observed case Two 10G uplinks are expected to behave as one 20G flow even though hashing may keep one flow on a single member requires the more specific lacp bandwidth and uplink resiliency planning control. The targeted action is: Design link aggregation with compatible member speed, LACP state, switch support and upstream logical-system boundaries.