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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 14

Question 130

At Silverstone Software, the internal services network team is preparing an office connectivity redesign. The operational constraint is repeatable and observable acceptance checks. The change ticket is marked completed for this reported failure: An engineer enters interface commands at the privileged EXEC prompt and receives syntax/context errors. Which result BEST demonstrates that this specific issue was resolved?

  1. A management test permits authorized SSH and rejects unapproved insecure sessions.
  2. The post-change interface description and state match the physical jack recorded in the work order.
  3. After a controlled reboot, the switch retains the approved VLAN and interface settings.
  4. The intended interface attributes appear under that interface in running configuration after execution.

Explanation

Correct Answer

D:

The intended interface attributes appear under that interface in running configuration after execution. This is the relevant acceptance observation for the reported issue: An engineer enters interface commands at the privileged EXEC prompt and receives syntax/context errors. The intended corrective choice is: Enter the appropriate configuration mode and interface context before applying interface-specific AOS-CX changes. At Silverstone Software, this outcome verifies actual operation under repeatable and observable acceptance checks, rather than only a ticket marked complete.

Incorrect Answers

A:

A management test permits authorized SSH and rejects unapproved insecure sessions. Such an observation would verify a separate issue: A switch is managed with shared credentials over insecure legacy protocols. It would follow the distinct action: Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods. Here the reported failure is An engineer enters interface commands at the privileged EXEC prompt and receives syntax/context errors. The decisive result for Silverstone Software must instead be: The intended interface attributes appear under that interface in running configuration after execution.

B:

The post-change interface description and state match the physical jack recorded in the work order. Such an observation would verify a separate issue: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. It would follow the distinct action: Use show interface inventory/status output to map chassis, member and port identifiers before editing. Here the reported failure is An engineer enters interface commands at the privileged EXEC prompt and receives syntax/context errors. The decisive result for Silverstone Software must instead be: The intended interface attributes appear under that interface in running configuration after execution.

C:

After a controlled reboot, the switch retains the approved VLAN and interface settings. Such an observation would verify a separate issue: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. It would follow the distinct action: Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures. Here the reported failure is An engineer enters interface commands at the privileged EXEC prompt and receives syntax/context errors. The decisive result for Silverstone Software must instead be: The intended interface attributes appear under that interface in running configuration after execution.

Question 131

At Cedar Point Manufacturing, the industrial campus engineering team is preparing a production-line network refresh. The operational constraint is strict line-stop avoidance. The implementation review flags: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. Which action BEST corrects the stated problem?

  1. Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures.
  2. Enter the appropriate configuration mode and interface context before applying interface-specific AOS-CX changes.
  3. Create a supported configuration checkpoint and verify the rollback procedure before modifying production.
  4. Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods.

Explanation

Correct Answer

A:

Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures. This response directly addresses the observed condition: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. For Cedar Point Manufacturing during a production-line network refresh, the decisive check is not merely that a configuration was entered: After a controlled reboot, the switch retains the approved VLAN and interface settings. That evidence connects the proposed correction to measurable forwarding or management behavior.

Incorrect Answers

B:

Enter the appropriate configuration mode and interface context before applying interface-specific AOS-CX changes. That relates to a different fault: An engineer enters interface commands at the privileged EXEC prompt and receives syntax/context errors. The incident in the scenario is instead: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. Changing the unrelated setting does not establish the required repair at Cedar Point Manufacturing; the relevant confirmation would be: After a controlled reboot, the switch retains the approved VLAN and interface settings.

C:

Create a supported configuration checkpoint and verify the rollback procedure before modifying production. That relates to a different fault: A configuration operator applies a complex change with no reversible checkpoint. The incident in the scenario is instead: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. Changing the unrelated setting does not establish the required repair at Cedar Point Manufacturing; the relevant confirmation would be: After a controlled reboot, the switch retains the approved VLAN and interface settings.

D:

Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods. That relates to a different fault: A switch is managed with shared credentials over insecure legacy protocols. The incident in the scenario is instead: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. Changing the unrelated setting does not establish the required repair at Cedar Point Manufacturing; the relevant confirmation would be: After a controlled reboot, the switch retains the approved VLAN and interface settings.

Question 132

At Cedar Point Manufacturing, the industrial campus engineering team is preparing a production-line network refresh. The operational constraint is strict line-stop avoidance. After a proposed fix, the team needs observable evidence that it resolved: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. Which result BEST demonstrates that this specific issue was resolved?

  1. The post-change interface description and state match the physical jack recorded in the work order.
  2. The intended interface attributes appear under that interface in running configuration after execution.
  3. After a controlled reboot, the switch retains the approved VLAN and interface settings.
  4. The checkpoint exists and a lab rollback restores the previously known configuration.

Explanation

Correct Answer

C:

After a controlled reboot, the switch retains the approved VLAN and interface settings. This is the relevant acceptance observation for the reported issue: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. The intended corrective choice is: Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures. At Cedar Point Manufacturing, this outcome verifies actual operation under strict line-stop avoidance, rather than only a ticket marked complete.

Incorrect Answers

A:

The post-change interface description and state match the physical jack recorded in the work order. Such an observation would verify a separate issue: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. It would follow the distinct action: Use show interface inventory/status output to map chassis, member and port identifiers before editing. Here the reported failure is A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. The decisive result for Cedar Point Manufacturing must instead be: After a controlled reboot, the switch retains the approved VLAN and interface settings.

B:

The intended interface attributes appear under that interface in running configuration after execution. Such an observation would verify a separate issue: An engineer enters interface commands at the privileged EXEC prompt and receives syntax/context errors. It would follow the distinct action: Enter the appropriate configuration mode and interface context before applying interface-specific AOS-CX changes. Here the reported failure is A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. The decisive result for Cedar Point Manufacturing must instead be: After a controlled reboot, the switch retains the approved VLAN and interface settings.

D:

The checkpoint exists and a lab rollback restores the previously known configuration. Such an observation would verify a separate issue: A configuration operator applies a complex change with no reversible checkpoint. It would follow the distinct action: Create a supported configuration checkpoint and verify the rollback procedure before modifying production. Here the reported failure is A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. The decisive result for Cedar Point Manufacturing must instead be: After a controlled reboot, the switch retains the approved VLAN and interface settings.

Question 133

At Meadowbrook Commerce, the production IT team is preparing a customer-service center expansion. The operational constraint is low-latency real-time collaboration. Engineers isolate the following gap: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. Which action BEST corrects the stated problem?

  1. Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods.
  2. Create a supported configuration checkpoint and verify the rollback procedure before modifying production.
  3. Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures.
  4. Enter the appropriate configuration mode and interface context before applying interface-specific AOS-CX changes.

Explanation

Correct Answer

C:

Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures. This response directly addresses the observed condition: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. For Meadowbrook Commerce during a customer-service center expansion, the decisive check is not merely that a configuration was entered: After a controlled reboot, the switch retains the approved VLAN and interface settings. That evidence connects the proposed correction to measurable forwarding or management behavior.

Incorrect Answers

A:

Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods. That relates to a different fault: A switch is managed with shared credentials over insecure legacy protocols. The incident in the scenario is instead: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. Changing the unrelated setting does not establish the required repair at Meadowbrook Commerce; the relevant confirmation would be: After a controlled reboot, the switch retains the approved VLAN and interface settings.

B:

Create a supported configuration checkpoint and verify the rollback procedure before modifying production. That relates to a different fault: A configuration operator applies a complex change with no reversible checkpoint. The incident in the scenario is instead: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. Changing the unrelated setting does not establish the required repair at Meadowbrook Commerce; the relevant confirmation would be: After a controlled reboot, the switch retains the approved VLAN and interface settings.

D:

Enter the appropriate configuration mode and interface context before applying interface-specific AOS-CX changes. That relates to a different fault: An engineer enters interface commands at the privileged EXEC prompt and receives syntax/context errors. The incident in the scenario is instead: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. Changing the unrelated setting does not establish the required repair at Meadowbrook Commerce; the relevant confirmation would be: After a controlled reboot, the switch retains the approved VLAN and interface settings.

Question 134

At Meadowbrook Commerce, the production IT team is preparing a customer-service center expansion. The operational constraint is low-latency real-time collaboration. The change ticket is marked completed for this reported failure: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. Which result BEST demonstrates that this specific issue was resolved?

  1. The post-change interface description and state match the physical jack recorded in the work order.
  2. After a controlled reboot, the switch retains the approved VLAN and interface settings.
  3. The checkpoint exists and a lab rollback restores the previously known configuration.
  4. A management test permits authorized SSH and rejects unapproved insecure sessions.

Explanation

Correct Answer

B:

After a controlled reboot, the switch retains the approved VLAN and interface settings. This is the relevant acceptance observation for the reported issue: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. The intended corrective choice is: Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures. At Meadowbrook Commerce, this outcome verifies actual operation under low-latency real-time collaboration, rather than only a ticket marked complete.

Incorrect Answers

A:

The post-change interface description and state match the physical jack recorded in the work order. Such an observation would verify a separate issue: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. It would follow the distinct action: Use show interface inventory/status output to map chassis, member and port identifiers before editing. Here the reported failure is A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. The decisive result for Meadowbrook Commerce must instead be: After a controlled reboot, the switch retains the approved VLAN and interface settings.

C:

The checkpoint exists and a lab rollback restores the previously known configuration. Such an observation would verify a separate issue: A configuration operator applies a complex change with no reversible checkpoint. It would follow the distinct action: Create a supported configuration checkpoint and verify the rollback procedure before modifying production. Here the reported failure is A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. The decisive result for Meadowbrook Commerce must instead be: After a controlled reboot, the switch retains the approved VLAN and interface settings.

D:

A management test permits authorized SSH and rejects unapproved insecure sessions. Such an observation would verify a separate issue: A switch is managed with shared credentials over insecure legacy protocols. It would follow the distinct action: Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods. Here the reported failure is A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. The decisive result for Meadowbrook Commerce must instead be: After a controlled reboot, the switch retains the approved VLAN and interface settings.

Question 135

At Quarryside Pharma, the validated-operations network group is preparing a regulated facility expansion. The operational constraint is traceable controls and rollback. The implementation review flags: A switch is managed with shared credentials over insecure legacy protocols. Which action BEST corrects the stated problem?

  1. Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods.
  2. Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures.
  3. Use show interface inventory/status output to map chassis, member and port identifiers before editing.
  4. Create a supported configuration checkpoint and verify the rollback procedure before modifying production.

Explanation

Correct Answer

A:

Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods. This response directly addresses the observed condition: A switch is managed with shared credentials over insecure legacy protocols. For Quarryside Pharma during a regulated facility expansion, the decisive check is not merely that a configuration was entered: A management test permits authorized SSH and rejects unapproved insecure sessions. That evidence connects the proposed correction to measurable forwarding or management behavior.

Incorrect Answers

B:

Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures. That relates to a different fault: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. The incident in the scenario is instead: A switch is managed with shared credentials over insecure legacy protocols. Changing the unrelated setting does not establish the required repair at Quarryside Pharma; the relevant confirmation would be: A management test permits authorized SSH and rejects unapproved insecure sessions.

C:

Use show interface inventory/status output to map chassis, member and port identifiers before editing. That relates to a different fault: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. The incident in the scenario is instead: A switch is managed with shared credentials over insecure legacy protocols. Changing the unrelated setting does not establish the required repair at Quarryside Pharma; the relevant confirmation would be: A management test permits authorized SSH and rejects unapproved insecure sessions.

D:

Create a supported configuration checkpoint and verify the rollback procedure before modifying production. That relates to a different fault: A configuration operator applies a complex change with no reversible checkpoint. The incident in the scenario is instead: A switch is managed with shared credentials over insecure legacy protocols. Changing the unrelated setting does not establish the required repair at Quarryside Pharma; the relevant confirmation would be: A management test permits authorized SSH and rejects unapproved insecure sessions.

Question 136

At Quarryside Pharma, the validated-operations network group is preparing a regulated facility expansion. The operational constraint is traceable controls and rollback. After a proposed fix, the team needs observable evidence that it resolved: A switch is managed with shared credentials over insecure legacy protocols. Which result BEST demonstrates that this specific issue was resolved?

  1. A management test permits authorized SSH and rejects unapproved insecure sessions.
  2. The post-change interface description and state match the physical jack recorded in the work order.
  3. The checkpoint exists and a lab rollback restores the previously known configuration.
  4. The intended interface attributes appear under that interface in running configuration after execution.

Explanation

Correct Answer

A:

A management test permits authorized SSH and rejects unapproved insecure sessions. This is the relevant acceptance observation for the reported issue: A switch is managed with shared credentials over insecure legacy protocols. The intended corrective choice is: Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods. At Quarryside Pharma, this outcome verifies actual operation under traceable controls and rollback, rather than only a ticket marked complete.

Incorrect Answers

B:

The post-change interface description and state match the physical jack recorded in the work order. Such an observation would verify a separate issue: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. It would follow the distinct action: Use show interface inventory/status output to map chassis, member and port identifiers before editing. Here the reported failure is A switch is managed with shared credentials over insecure legacy protocols. The decisive result for Quarryside Pharma must instead be: A management test permits authorized SSH and rejects unapproved insecure sessions.

C:

The checkpoint exists and a lab rollback restores the previously known configuration. Such an observation would verify a separate issue: A configuration operator applies a complex change with no reversible checkpoint. It would follow the distinct action: Create a supported configuration checkpoint and verify the rollback procedure before modifying production. Here the reported failure is A switch is managed with shared credentials over insecure legacy protocols. The decisive result for Quarryside Pharma must instead be: A management test permits authorized SSH and rejects unapproved insecure sessions.

D:

The intended interface attributes appear under that interface in running configuration after execution. Such an observation would verify a separate issue: An engineer enters interface commands at the privileged EXEC prompt and receives syntax/context errors. It would follow the distinct action: Enter the appropriate configuration mode and interface context before applying interface-specific AOS-CX changes. Here the reported failure is A switch is managed with shared credentials over insecure legacy protocols. The decisive result for Quarryside Pharma must instead be: A management test permits authorized SSH and rejects unapproved insecure sessions.

Question 137

At Granite Energy, the data-center interconnect team is preparing a resilient operations-center expansion. The operational constraint is documented segmentation boundaries. Engineers isolate the following gap: A switch is managed with shared credentials over insecure legacy protocols. Which action BEST corrects the stated problem?

  1. Enter the appropriate configuration mode and interface context before applying interface-specific AOS-CX changes.
  2. Create a supported configuration checkpoint and verify the rollback procedure before modifying production.
  3. Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods.
  4. Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures.

Explanation

Correct Answer

C:

Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods. This response directly addresses the observed condition: A switch is managed with shared credentials over insecure legacy protocols. For Granite Energy during a resilient operations-center expansion, the decisive check is not merely that a configuration was entered: A management test permits authorized SSH and rejects unapproved insecure sessions. That evidence connects the proposed correction to measurable forwarding or management behavior.

Incorrect Answers

A:

Enter the appropriate configuration mode and interface context before applying interface-specific AOS-CX changes. That relates to a different fault: An engineer enters interface commands at the privileged EXEC prompt and receives syntax/context errors. The incident in the scenario is instead: A switch is managed with shared credentials over insecure legacy protocols. Changing the unrelated setting does not establish the required repair at Granite Energy; the relevant confirmation would be: A management test permits authorized SSH and rejects unapproved insecure sessions.

B:

Create a supported configuration checkpoint and verify the rollback procedure before modifying production. That relates to a different fault: A configuration operator applies a complex change with no reversible checkpoint. The incident in the scenario is instead: A switch is managed with shared credentials over insecure legacy protocols. Changing the unrelated setting does not establish the required repair at Granite Energy; the relevant confirmation would be: A management test permits authorized SSH and rejects unapproved insecure sessions.

D:

Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures. That relates to a different fault: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. The incident in the scenario is instead: A switch is managed with shared credentials over insecure legacy protocols. Changing the unrelated setting does not establish the required repair at Granite Energy; the relevant confirmation would be: A management test permits authorized SSH and rejects unapproved insecure sessions.

Question 138

At Granite Energy, the data-center interconnect team is preparing a resilient operations-center expansion. The operational constraint is documented segmentation boundaries. The change ticket is marked completed for this reported failure: A switch is managed with shared credentials over insecure legacy protocols. Which result BEST demonstrates that this specific issue was resolved?

  1. The post-change interface description and state match the physical jack recorded in the work order.
  2. After a controlled reboot, the switch retains the approved VLAN and interface settings.
  3. A management test permits authorized SSH and rejects unapproved insecure sessions.
  4. The checkpoint exists and a lab rollback restores the previously known configuration.

Explanation

Correct Answer

C:

A management test permits authorized SSH and rejects unapproved insecure sessions. This is the relevant acceptance observation for the reported issue: A switch is managed with shared credentials over insecure legacy protocols. The intended corrective choice is: Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods. At Granite Energy, this outcome verifies actual operation under documented segmentation boundaries, rather than only a ticket marked complete.

Incorrect Answers

A:

The post-change interface description and state match the physical jack recorded in the work order. Such an observation would verify a separate issue: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. It would follow the distinct action: Use show interface inventory/status output to map chassis, member and port identifiers before editing. Here the reported failure is A switch is managed with shared credentials over insecure legacy protocols. The decisive result for Granite Energy must instead be: A management test permits authorized SSH and rejects unapproved insecure sessions.

B:

After a controlled reboot, the switch retains the approved VLAN and interface settings. Such an observation would verify a separate issue: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. It would follow the distinct action: Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures. Here the reported failure is A switch is managed with shared credentials over insecure legacy protocols. The decisive result for Granite Energy must instead be: A management test permits authorized SSH and rejects unapproved insecure sessions.

D:

The checkpoint exists and a lab rollback restores the previously known configuration. Such an observation would verify a separate issue: A configuration operator applies a complex change with no reversible checkpoint. It would follow the distinct action: Create a supported configuration checkpoint and verify the rollback procedure before modifying production. Here the reported failure is A switch is managed with shared credentials over insecure legacy protocols. The decisive result for Granite Energy must instead be: A management test permits authorized SSH and rejects unapproved insecure sessions.

Question 139

At Keystone Research, the laboratory platform group is preparing a research campus upgrade. The operational constraint is evidence-based change approval. The implementation review flags: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. Which action BEST corrects the stated problem?

  1. Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods.
  2. Use show interface inventory/status output to map chassis, member and port identifiers before editing.
  3. Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures.
  4. Create a supported configuration checkpoint and verify the rollback procedure before modifying production.

Explanation

Correct Answer

B:

Use show interface inventory/status output to map chassis, member and port identifiers before editing. This response directly addresses the observed condition: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. For Keystone Research during a research campus upgrade, the decisive check is not merely that a configuration was entered: The post-change interface description and state match the physical jack recorded in the work order. That evidence connects the proposed correction to measurable forwarding or management behavior.

Incorrect Answers

A:

Configure supported SSH-based management and individual authenticated accounts or AAA, disabling insecure access methods. That relates to a different fault: A switch is managed with shared credentials over insecure legacy protocols. The incident in the scenario is instead: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. Changing the unrelated setting does not establish the required repair at Keystone Research; the relevant confirmation would be: The post-change interface description and state match the physical jack recorded in the work order.

C:

Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures. That relates to a different fault: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. The incident in the scenario is instead: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. Changing the unrelated setting does not establish the required repair at Keystone Research; the relevant confirmation would be: The post-change interface description and state match the physical jack recorded in the work order.

D:

Create a supported configuration checkpoint and verify the rollback procedure before modifying production. That relates to a different fault: A configuration operator applies a complex change with no reversible checkpoint. The incident in the scenario is instead: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. Changing the unrelated setting does not establish the required repair at Keystone Research; the relevant confirmation would be: The post-change interface description and state match the physical jack recorded in the work order.

Question 140

At Keystone Research, the laboratory platform group is preparing a research campus upgrade. The operational constraint is evidence-based change approval. After a proposed fix, the team needs observable evidence that it resolved: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. Which result BEST demonstrates that this specific issue was resolved?

  1. The post-change interface description and state match the physical jack recorded in the work order.
  2. The checkpoint exists and a lab rollback restores the previously known configuration.
  3. After a controlled reboot, the switch retains the approved VLAN and interface settings.
  4. The intended interface attributes appear under that interface in running configuration after execution.

Explanation

Correct Answer

A:

The post-change interface description and state match the physical jack recorded in the work order. This is the relevant acceptance observation for the reported issue: A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. The intended corrective choice is: Use show interface inventory/status output to map chassis, member and port identifiers before editing. At Keystone Research, this outcome verifies actual operation under evidence-based change approval, rather than only a ticket marked complete.

Incorrect Answers

B:

The checkpoint exists and a lab rollback restores the previously known configuration. Such an observation would verify a separate issue: A configuration operator applies a complex change with no reversible checkpoint. It would follow the distinct action: Create a supported configuration checkpoint and verify the rollback procedure before modifying production. Here the reported failure is A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. The decisive result for Keystone Research must instead be: The post-change interface description and state match the physical jack recorded in the work order.

C:

After a controlled reboot, the switch retains the approved VLAN and interface settings. Such an observation would verify a separate issue: A migration plan records only running-config and cannot explain which settings survive an unexpected reboot. It would follow the distinct action: Inspect running and startup configuration and explicitly persist approved changes using supported AOS-CX procedures. Here the reported failure is A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. The decisive result for Keystone Research must instead be: The post-change interface description and state match the physical jack recorded in the work order.

D:

The intended interface attributes appear under that interface in running configuration after execution. Such an observation would verify a separate issue: An engineer enters interface commands at the privileged EXEC prompt and receives syntax/context errors. It would follow the distinct action: Enter the appropriate configuration mode and interface context before applying interface-specific AOS-CX changes. Here the reported failure is A technician changes the wrong numbered port because the physical labeling does not match the interface identifier. The decisive result for Keystone Research must instead be: The post-change interface description and state match the physical jack recorded in the work order.