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CompTIA N10-009 Practice Test 36

Question 350

A network team observes: A replacement switch is ordered without checking occupied rack units and incompatible rail depth. What is the MOST appropriate corrective action or technical decision?

  1. Maintain network hardware ownership, EOS dates and approved replacement plans.
  2. Record unit positions, rack depth and mounting constraints before purchase.
  3. Use a change request with dependency review, approval, backout and communication.
  4. Update routed subnet and gateway diagrams from observed configuration.

Explanation

Correct Answer

B:

The rack elevation and hardware dimensions were never captured.

Incorrect Answers

A:

Maintaining network hardware ownership, EOS dates and approved replacement plans would not record unit positions, rack depth and mounting constraints.

C:

Using a change request with dependency review, approval, backout and communication would not record unit positions, rack depth and mounting constraints.

D:

Updating routed subnet and gateway diagrams from observed configuration would not record unit positions, rack depth and mounting constraints.

Question 351

A network team addresses this situation: A replacement switch is ordered without checking occupied rack units and incompatible rail depth. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Cross-check procurement, vendor EOS and discovered devices.
  2. Inspect the ticket and test the rollback procedure in a safe environment.
  3. Inspect the rack elevation against physical available rack units.
  4. Compare a sampled route table and subnet to the approved diagram.

Explanation

Correct Answer

C:

Inspect the rack elevation against physical available rack units.

Incorrect Answers

A:

Reconciled support status validates asset lifecycle records. It does not inspect the rack elevation against physical available rack units.

B:

Approved scope and rollback evidence validate change governance. It does not inspect the rack elevation against physical available rack units.

D:

IP routing depends on a route to the destination prefix and a reachable next hop. It does not inspect the rack elevation against physical available rack units.

Question 352

A network specialist investigates this evidence: A replacement switch is ordered without checking occupied rack units and incompatible rail depth. Which underlying condition BEST explains the observed failure or requirement?

  1. Asset inventory does not track owner and vendor support lifecycle.
  2. The change lacks impact analysis and authorized window.
  3. Network software version and support records are missing.
  4. The rack elevation and hardware dimensions were never captured.

Explanation

Correct Answer

D:

The rack elevation and hardware dimensions were never captured. Rack documentation prevents mechanical installation surprises.

Incorrect Answers

A:

Asset inventory does not track owner and vendor support lifecycle. The missing change involves the rack elevation and hardware dimensions were never captured.

B:

The change lacks impact analysis and authorized window. That does not establish the rack elevation and hardware dimensions were never captured.

C:

Network software version and support records are missing. That does not establish the rack elevation and hardware dimensions were never captured.

Question 353

A network team observes: Two deployment teams reserve the same RFC1918 subnet for separate VPN-connected projects. What is the MOST appropriate corrective action or technical decision?

  1. Use centralized IP address management with reservation and conflict detection.
  2. Revoke certificates, sanitize storage and document custody before disposal.
  3. Maintain separate physical cable maps and logical network diagrams linked by identifiers.
  4. Maintain a labeled cable map linking wall jacks, panel ports and switch interfaces.

Explanation

Correct Answer

A:

IPAM tracks allocations and prevents overlapping network assignments. Ip allocations are not governed from one authoritative inventory.

Incorrect Answers

B:

Revoking certificates, sanitize storage and documenting custody would not meet the need for centralized IP address management with reservation and conflict detection.

C:

Maintaining separate physical cable maps and logical network diagrams linked by identifiers would not meet the need for centralized IP address management with reservation and conflict detection.

D:

Maintaining a labeled cable map linking wall jacks, panel ports and switching interfaces would not meet the need for centralized IP address management with reservation and conflict detection.

Question 354

A network team addresses this situation: Two deployment teams reserve the same RFC1918 subnet for separate VPN-connected projects. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Verify certificate revocation and asset-level disposal evidence.
  2. Attempt a duplicate allocation through the IPAM workflow.
  3. Trace actual patch paths and reconcile them with the physical map.
  4. Compare device version output against the inventory for representative branches.

Explanation

Correct Answer

B:

Attempt a duplicate allocation through the IPAM workflow.

Incorrect Answers

A:

Access loss and documented disposition validate retirement. That check cannot demonstrate attempt a duplicate allocation through the IPAM workflow.

C:

End-to-end tracing proves the right diagram was used. That check cannot demonstrate attempt a duplicate allocation through the IPAM workflow.

D:

Compare device version output against the inventory for representative branches. That check cannot demonstrate attempt a duplicate allocation through the IPAM workflow.

Question 355

A network specialist investigates this evidence: Two deployment teams reserve the same RFC1918 subnet for separate VPN-connected projects. Which underlying condition BEST explains the observed failure or requirement?

  1. Device retirement omitted secure media and credential handling.
  2. Logical routes alone do not represent cable termination paths.
  3. IP allocations are not governed from one authoritative inventory.
  4. The rack elevation and hardware dimensions were never captured.

Explanation

Correct Answer

C:

IP allocations are not governed from one authoritative inventory. IPAM tracks allocations and prevents overlapping network assignments.

Incorrect Answers

A:

IPAM tracks allocations and prevents overlapping network assignments. That does not establish iP allocations are not governed from one authoritative inventory.

B:

Logical routes alone do not represent cable termination paths. That does not establish iP allocations are not governed from one authoritative inventory.

D:

The rack elevation and hardware dimensions were never captured. That does not establish iP allocations are not governed from one authoritative inventory.

Question 356

A network team observes: An obsolete core switch remains in production after vendor support ended without any accountable owner. What is the MOST appropriate corrective action or technical decision?

  1. Record unit positions, rack depth and mounting constraints before purchase.
  2. Use a change request with dependency review, approval, backout and communication.
  3. Update routed subnet and gateway diagrams from observed configuration.
  4. Maintain network hardware ownership, EOS dates and approved replacement plans.

Explanation

Correct Answer

D:

Supportability and ownership affect vulnerability and recovery exposure. Asset inventory does not track owner and vendor support lifecycle.

Incorrect Answers

A:

Recording unit positions, rack depth and mounting constraints would not maintain network hardware ownership, EOS dates and approved replacement plans.

B:

Using a change request with dependency review, approval, backout and communication would not maintain network hardware ownership, EOS dates and approved replacement plans.

C:

Updating routed subnet and gateway diagrams from observed configuration would not maintain network hardware ownership, EOS dates and approved replacement plans.

Question 357

A network team addresses this situation: An obsolete core switch remains in production after vendor support ended without any accountable owner. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Cross-check procurement, vendor EOS and discovered devices.
  2. Inspect the rack elevation against physical available rack units.
  3. Inspect the ticket and test the rollback procedure in a safe environment.
  4. Compare a sampled route table and subnet to the approved diagram.

Explanation

Correct Answer

A:

Reconciled support status validates asset lifecycle records.

Incorrect Answers

B:

Inspect the rack elevation against physical available rack units. That check cannot demonstrate cross-check procurement, vendor EOS and discovered devices.

C:

Approved scope and rollback evidence validate change governance. That check cannot demonstrate cross-check procurement, vendor EOS and discovered devices.

D:

IP routing depends on a route to the destination prefix and a reachable next hop. That check cannot demonstrate cross-check procurement, vendor EOS and discovered devices.

Question 358

A network team observes: An emergency router patch is delayed because nobody knows which firmware runs at each branch. What is the MOST appropriate corrective action or technical decision?

  1. Version and deploy an approved golden configuration with documented exceptions.
  2. Collect running firmware versions into a maintained asset configuration inventory.
  3. Use a change request with dependency review, approval, backout and communication.
  4. Maintain a labeled cable map linking wall jacks, panel ports and switch interfaces.

Explanation

Correct Answer

B:

Network software version and support records are missing.

Incorrect Answers

A:

Version and deploy an approved golden configuration with documented exceptions would not collect running firmware versions into a maintained asset configuration inventory.

C:

Using a change request with dependency review, approval, backout and communication would not collect running firmware versions into a maintained asset configuration inventory.

D:

Maintaining a labeled cable map linking wall jacks, panel ports and switching interfaces would not collect running firmware versions into a maintained asset configuration inventory.

Question 359

A network team addresses this situation: An emergency router patch is delayed because nobody knows which firmware runs at each branch. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Diff running configurations against the approved baseline.
  2. Inspect the ticket and test the rollback procedure in a safe environment.
  3. Compare device version output against the inventory for representative branches.
  4. Compare a sampled route table and subnet to the approved diagram.

Explanation

Correct Answer

C:

Compare device version output against the inventory for representative branches.

Incorrect Answers

A:

Diff running configurations against the approved baseline. It does not compare device version output against the inventory for representative branches.

B:

Approved scope and rollback evidence validate change governance. It does not compare device version output against the inventory for representative branches.

D:

IP routing depends on a route to the destination prefix and a reachable next hop. It does not compare device version output against the inventory for representative branches.

Question 360

A network specialist investigates this evidence: An emergency router patch is delayed because nobody knows which firmware runs at each branch. Which underlying condition BEST explains the observed failure or requirement?

  1. A controlled baseline is not applied consistently.
  2. The logical Layer 3 diagram is outdated.
  3. The change lacks impact analysis and authorized window.
  4. Network software version and support records are missing.

Explanation

Correct Answer

D:

Network software version and support records are missing. Version visibility permits scoped vulnerability remediation.

Incorrect Answers

A:

A controlled baseline is not applied consistently. That does not establish network software version and support records are missing.

B:

The logical Layer 3 diagram is outdated. That does not establish network software version and support records are missing.

C:

The change lacks impact analysis and authorized window. That does not establish network software version and support records are missing.


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