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CompTIA SK0-005 Practice Test 65

Question 640

A change board is planning a verified response to this server event: A legacy switch and server disagree on duplex settings, producing collisions and severe retransmission during backup traffic. For the NIC port errors and duplex mismatch issue, which response elements belong in the approved plan? Select TWO answers.

  1. Correct access/trunk VLAN membership and allowed VLAN lists while preserving intended segmentation.
  2. Increase TCP timeout values while leaving rising frame and cable errors unresolved.
  3. Resolve physical media and negotiated speed/duplex compatibility, replacing defective optics or cabling as evidence dictates.
  4. Inspect interface counters at both ends, cable tests, transceiver diagnostics and negotiated parameters.
  5. The host survives the designed single-power-path failure without reset or overcurrent.

Explanation

Correct Answer

C:

Link-up alone does not establish link quality; CRC, FCS, drops and duplex mismatches reveal layer-one or layer-two faults. For this case, A legacy switch and server disagree on duplex settings, producing collisions and severe retransmission during backup traffic.

D:

These observations investigate the exact NIC port errors and duplex mismatch failure rather than unrelated components. Incident: A legacy switch and server disagree on duplex settings, producing collisions and severe retransmission during backup traffic.

Incorrect Answers

A:

This statement concerns Incorrect switch VLAN trunk allowance, a different Server+ technical control. It does not directly address the reported NIC port errors and duplex mismatch fault or prove its repair.

B:

This is the unsafe shortcut in the NIC port errors and duplex mismatch scenario, not a justified remediation or diagnostic. Incident: A legacy switch and server disagree on duplex settings, producing collisions and severe retransmission during backup traffic.

E:

This statement concerns PSU and power event isolation, a different Server+ technical control. It does not directly address the reported NIC port errors and duplex mismatch fault or prove its repair.

Question 641

A server administrator is investigating a server issue involving raid degraded state and predictive drive failure: A parity RAID group loses one disk and a second member begins reporting unrecoverable sectors during rebuild. The change must address the documented fault without creating unrelated risk. Which corrective action is most appropriate? Select ONE best answer.

  1. Force repeated rebuilds on failing drives without checking backup and additional media errors.
  2. Back up critical data, inspect controller/media events, replace failed components and rebuild with monitored redundancy.
  3. Inspect cache-protection health and replace or restore supported battery/flash protection before using safe cache policy.
  4. Identify whether blocks, inodes, quotas or reserved space is exhausted; reclaim or expand only the constrained resource.

Explanation

Correct Answer

B:

A successful outcome is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy. This is the appropriate targeted correction for RAID degraded state and predictive drive failure.

Incorrect Answers

A:

Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. This is the unsafe shortcut in the RAID degraded state and predictive drive failure scenario, not a justified remediation or diagnostic.

C:

For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. A targeted investigation checks: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness.

D:

For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. This statement concerns Filesystem full, inode exhaustion and quotas, a different Server+ technical control.

Question 642

While reviewing the CompTIA Server+ administration incident, a technician learns: A parity RAID group loses one disk and a second member begins reporting unrecoverable sectors during rebuild. Which principle most directly explains how to address the described issue safely? Select ONE best answer.

  1. Multipath configuration must be tested across real fabric failures and correct asymmetric access states.
  2. Guest CPU and memory counters alone can mask hypervisor scheduling delay and host swapping.
  3. Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter.
  4. Name resolution failures should be isolated from transport connectivity by comparing direct IP and DNS queries.

Explanation

Correct Answer

C:

The acceptance test is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy. This is the controlling principle for the reported RAID degraded state and predictive drive failure incident.

Incorrect Answers

A:

This statement concerns SAN fabric multipath failover and latency, a different Server+ technical control. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair. For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. A targeted investigation checks: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness. The desired recovery condition is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

B:

This statement concerns Hypervisor contention causing guest latency, a different Server+ technical control. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair. For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. A targeted investigation checks: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness. The desired recovery condition is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

D:

This statement concerns DNS client-specific failure, a different Server+ technical control. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair. For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. A targeted investigation checks: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness. The desired recovery condition is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

Question 643

Before a server change is approved, the on-call engineer receives this incident report: A parity RAID group loses one disk and a second member begins reporting unrecoverable sectors during rebuild. Which evidence would most directly establish the stated root-cause hypothesis? Select ONE best answer.

  1. Capture MPIO path health, initiator sessions, SAN switch errors and storage-array controller port statistics.
  2. Examine controller cache mode, BBU/flash status, workload write latency and vendor alerts.
  3. Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness.
  4. Force repeated rebuilds on failing drives without checking backup and additional media errors.

Explanation

Correct Answer

C:

These observations investigate the exact RAID degraded state and predictive drive failure failure rather than unrelated components. Confirm remediation through: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

Incorrect Answers

A:

For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. This statement concerns SAN fabric multipath failover and latency, a different Server+ technical control.

B:

For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. This statement concerns Write cache battery and storage performance, a different Server+ technical control.

D:

Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. Discriminate using: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness.

Question 644

After the team implements a targeted remediation for RAID degraded state and predictive drive failure, the original incident was: A parity RAID group loses one disk and a second member begins reporting unrecoverable sectors during rebuild. Which acceptance criterion would best demonstrate a durable and safe resolution? Select ONE best answer.

  1. The array returns to a healthy redundant state with error-free checks and a verified recovery copy.
  2. Unapproved outbound flows stop, legitimate data transfers remain and incident findings are documented.
  3. Application latency normalizes when host contention is reduced without hiding alerts.
  4. The affected application can write while block, inode and quota headroom meet policy.

Explanation

Correct Answer

A:

Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter.

Incorrect Answers

B:

This statement concerns Unauthorized outbound traffic and exfiltration detection, a different Server+ technical control. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair. For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. A targeted investigation checks: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness. The desired recovery condition is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

C:

This statement concerns Hypervisor contention causing guest latency, a different Server+ technical control. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair.

D:

This statement concerns Filesystem full, inode exhaustion and quotas, a different Server+ technical control. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair. For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. A targeted investigation checks: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness. The desired recovery condition is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

Question 645

A change board is planning a verified response to this server event: A parity RAID group loses one disk and a second member begins reporting unrecoverable sectors during rebuild. For the RAID degraded state and predictive drive failure issue, which response elements belong in the approved plan? Select ONE best answer.

  1. Inspect interface counters at both ends, cable tests, transceiver diagnostics and negotiated parameters.
  2. Back up critical data, inspect controller/media events, replace failed components and rebuild with monitored redundancy. Then validate the change by confirming: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.
  3. Force repeated rebuilds on failing drives without checking backup and additional media errors.
  4. Validate zoning, masking, path policies and fabric independence; restore optimized healthy multipath.

Explanation

Correct Answer

B:

This avoids the unsafe shortcut: Force repeated rebuilds on failing drives without checking backup and additional media errors.

Incorrect Answers

A:

For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. This statement concerns NIC port errors and duplex mismatch, a different Server+ technical control.

C:

This is the unsafe shortcut in the RAID degraded state and predictive drive failure scenario, not a justified remediation or diagnostic.

D:

For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. The desired recovery condition is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

Question 646

A server administrator is investigating a server issue involving raid degraded state and predictive drive failure: A hardware controller repeatedly drops one SATA drive from a hot-swap bay, and the team assumes the filesystem is the root cause. The change must address the documented fault without creating unrelated risk. Which corrective action is most appropriate? Select ONE best answer.

  1. Contain unapproved egress, preserve flow and endpoint evidence and validate allowed destinations before reopening paths.
  2. Force repeated rebuilds on failing drives without checking backup and additional media errors.
  3. Back up critical data, inspect controller/media events, replace failed components and rebuild with monitored redundancy.
  4. Trace and test PSU, cables, PDU, UPS and breaker paths under a safely controlled maintenance procedure.

Explanation

Correct Answer

C:

A successful outcome is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy. For this case, A hardware controller repeatedly drops one SATA drive from a hot-swap bay, and the team assumes the filesystem is the root cause.

Incorrect Answers

A:

For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. This statement concerns Unauthorized outbound traffic and exfiltration detection, a different Server+ technical control.

B:

Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter.

D:

For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. This statement concerns PSU and power event isolation, a different Server+ technical control.

Question 647

While reviewing the CompTIA Server+ administration incident, a technician learns: A hardware controller repeatedly drops one SATA drive from a hot-swap bay, and the team assumes the filesystem is the root cause. Which principle most directly explains how to address the described issue safely? Select ONE best answer.

  1. Link-up alone does not establish link quality; CRC, FCS, drops and duplex mismatches reveal layer-one or layer-two faults.
  2. Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter.
  3. Power redundancy requires end-to-end capacity and isolation, not merely green status indicators on redundant modules.
  4. Unusual outbound volume and destinations may indicate exfiltration; investigation must preserve evidence and scope blast radius.

Explanation

Correct Answer

B:

The acceptance test is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy. Applying it leads to this operational action: Back up critical data, inspect controller/media events, replace failed components and rebuild with monitored redundancy.

Incorrect Answers

A:

This statement concerns NIC port errors and duplex mismatch, a different Server+ technical control. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair. For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. A targeted investigation checks: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness. The desired recovery condition is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

C:

This statement concerns PSU and power event isolation, a different Server+ technical control. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair. For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. A targeted investigation checks: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness. The desired recovery condition is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

D:

This statement concerns Unauthorized outbound traffic and exfiltration detection, a different Server+ technical control. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair. For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. A targeted investigation checks: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness. The desired recovery condition is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

Question 648

Before a server change is approved, the on-call engineer receives this incident report: A hardware controller repeatedly drops one SATA drive from a hot-swap bay, and the team assumes the filesystem is the root cause. Which evidence would most directly establish the stated root-cause hypothesis? Select ONE best answer.

  1. Force repeated rebuilds on failing drives without checking backup and additional media errors.
  2. Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness.
  3. Examine controller cache mode, BBU/flash status, workload write latency and vendor alerts.
  4. Inspect interface counters at both ends, cable tests, transceiver diagnostics and negotiated parameters.

Explanation

Correct Answer

B:

These observations investigate the exact RAID degraded state and predictive drive failure failure rather than unrelated components. Incident: A hardware controller repeatedly drops one SATA drive from a hot-swap bay, and the team assumes the filesystem is the root cause.

Incorrect Answers

A:

Discriminate using: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness.

C:

For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair.

D:

For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter.

Question 649

After the team implements a targeted remediation for RAID degraded state and predictive drive failure, the original incident was: A hardware controller repeatedly drops one SATA drive from a hot-swap bay, and the team assumes the filesystem is the root cause. Which acceptance criterion would best demonstrate a durable and safe resolution? Select ONE best answer.

  1. A traceable incident timeline identifies the failing component or service without destroying relevant records.
  2. The host survives the designed single-power-path failure without reset or overcurrent.
  3. The array returns to a healthy redundant state with error-free checks and a verified recovery copy.
  4. The affected application can write while block, inode and quota headroom meet policy.

Explanation

Correct Answer

C:

Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. This evidence tests whether the original RAID degraded state and predictive drive failure weakness has been corrected under realistic conditions.

Incorrect Answers

A:

This statement concerns Log correlation and evidence preservation, a different Server+ technical control. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair. For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. A targeted investigation checks: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness. The desired recovery condition is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

B:

This statement concerns PSU and power event isolation, a different Server+ technical control. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair.

D:

This statement concerns Filesystem full, inode exhaustion and quotas, a different Server+ technical control. It does not directly address the reported RAID degraded state and predictive drive failure fault or prove its repair. For this incident, the relevant principle is: Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter. A targeted investigation checks: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness. The desired recovery condition is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

Question 650

A change board is planning a verified response to this server event: A hardware controller repeatedly drops one SATA drive from a hot-swap bay, and the team assumes the filesystem is the root cause. For the RAID degraded state and predictive drive failure issue, which response elements belong in the approved plan? Select TWO answers.

  1. Resolve physical media and negotiated speed/duplex compatibility, replacing defective optics or cabling as evidence dictates.
  2. Back up critical data, inspect controller/media events, replace failed components and rebuild with monitored redundancy.
  3. Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness.
  4. The affected application can write while block, inode and quota headroom meet policy.
  5. Force repeated rebuilds on failing drives without checking backup and additional media errors.

Explanation

Correct Answer

B:

A successful outcome is: The array returns to a healthy redundant state with error-free checks and a verified recovery copy. Degraded or unstable storage may be one additional fault from data loss; immediate integrity and rebuild priorities matter.

C:

Confirm remediation through: The array returns to a healthy redundant state with error-free checks and a verified recovery copy.

Incorrect Answers

A:

This statement concerns NIC port errors and duplex mismatch, a different Server+ technical control.

D:

A targeted investigation checks: Read RAID member status, SMART/media diagnostics, backplane events, parity consistency and backup freshness.

E:

Incident: A hardware controller repeatedly drops one SATA drive from a hot-swap bay, and the team assumes the filesystem is the root cause.

CompTIA Server+ Certification Exam (SK0-005) Practice Tests