Q1. Which RAID level combines striping and mirroring?
- A.RAID 0
- B.RAID 1
- C.RAID 5
- D.RAID 10✓ Correct
Explanation: RAID 10 (1+0) offers both speed and redundancy. Learn more.
CompTIA PenTest+ Practice Questions: Storage
8 free, exam-style CompTIA PenTest+ (PT0-003) practice questions covering Storage. Each question shows the correct answer and a clear explanation. Ready for the real thing? Take the full timed quiz below.
Q2. What is the purpose of an SSD's TRIM command?
- A.Defragment files
- B.Mark unused blocks for garbage collection✓ Correct
- C.Encrypt data
- D.Boost read speeds
Explanation: TRIM improves SSD performance and longevity. Learn more.
Q3. What causes a loud clicking noise in an HDD?
- A.Normal operation
- B.Fragmentation
- C.Failing read/write head✓ Correct
- D.Overheating
Explanation: Clicking indicates mechanical failure. Learn more.
Q4. What causes a loud clicking noise in an HDD?
- A.Normal operation
- B.Fragmentation
- C.Failing read/write head✓ Correct
- D.Overheating
Explanation: Clicking (the "click of death") often indicates mechanical failure. Learn more.
Q5. What is the function of an SSD's TRIM command?
- A.Defragment files
- B.Mark unused blocks for garbage collection✓ Correct
- C.Encrypt data
- D.Boost read speeds
Explanation: TRIM improves SSD performance and longevity. Learn more.
Q6. Which RAID level requires at least 3 disks?
- A.RAID 0
- B.RAID 1
- C.RAID 5✓ Correct
- D.RAID 10
Explanation: RAID 5 uses distributed parity across disks. Learn more.
Q7. What is the maximum speed of SATA III?
- A.3 Gbps
- B.6 Gbps✓ Correct
- C.12 Gbps
- D.24 Gbps
Explanation: SATA III (6 Gbps) is common for HDDs/SSDs. Learn more.
Q8. Which file system is read-only on optical media?
- A.NTFS
- B.FAT32
- C.ISO 9660✓ Correct
- D.exFAT
Explanation: ISO 9660 standard for CD/DVD-ROMs. Learn more.