220-1102 Operational Procedures Practice Question
A technician is tasked with disposing of several old hard drives that contained confidential client data. Which of the following disposal methods provides the HIGHEST level of data security?
⚠ Common exam trap
Candidates often confuse 'deleting' or 'formatting' with actual data destruction, not realizing that these methods only remove logical references and leave the raw data recoverable with forensic tools.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Physically shred the drive platters.
Physically shredding the drive platters ensures that the magnetic media is destroyed, making data recovery impossible. This is the only method listed that guarantees complete destruction of the data, as all other methods leave the data potentially recoverable through forensic techniques.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Perform a quick format on each drive.
Why it's wrong here
A quick format writes a new file system structure (e.g., NTFS or FAT) to the volume, clearing directory and allocation metadata rather than erasing user data. The actual 1s and 0s remain on the platters, and forensic tools or data-recovery software can easily reconstruct files by scanning for residual data. Because the magnetic media is never overwritten or destroyed, this method leaves confidential information recoverable.
- ✓
Physically shred the drive platters.
Why this is correct
Shredding the drive platters physically separates the magnetic disks into small fragments, destroying the magnetic domains that encode data. Without a continuous platter surface, even specialized hardware that reads raw magnetic fields cannot reassemble the original bits, making data recovery impossible. This is the only option among the choices that satisfies the need to permanently dispose of highly sensitive data.
- ✗
Delete all partitions and perform a standard format.
Why it's wrong here
Deleting partitions and running a standard format changes the disk's logical layout and may optionally write zeros to the whole volume, but a 'standard' format typically does not guarantee a full overwrite of every sector. Many format utilities only pre-allocate file system metadata, leaving old data in the data region intact until overwritten by new files. Even after the format, an attacker can use disk-imaging and carve out files. Therefore, this step is insufficient for confidential data.
- ✗
Use a file deletion tool to delete the data.
Why it's wrong here
Using a file deletion tool normally only strips the file's directory entry and marks the clusters as available, leaving the actual data sectors untouched and easily recoverable with standard forensic software. Some secure-deletion utilities perform multiple overwrites, but they can still miss data in file slack, reserved system areas, or sectors reallocated by the drive's firmware. Since confidential data must be irretrievably destroyed, software-based deletion is not a dependable disposal method for the whole drive.
Go deeper
Related to this question
Learn chapter
Windows Activation Methods
Key term
Recovery
Recovery is the process of restoring systems, data, and operations after a security incident, failure, or disaster to return to normal functioning.
Key term
Security
Security in IT is the practice of protecting systems, networks, and data from unauthorized access, damage, or theft.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 220-1102 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1102 exam.