Question 580 of 750

Data Destruction and Disposal →easyMultiple ChoiceObjective-mapped

Secure Erase to Keep Drive Functional

This 220-1202 practice question tests your understanding of data destruction and disposal. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

A customer is returning a leased laptop that contains sensitive client data. The lease agreement requires that the data be irrecoverably destroyed, but the laptop must remain functional for the next lessee. Which method should you use?

A
Perform a quick format of the hard drive.
Why wrong: A quick format only clears the file system index, leaving actual data recoverable with forensic tools.
B
Use a degausser to demagnetize the drive.
Why wrong: Degaussing destroys the magnetic domains, making the drive unusable. This violates the requirement to keep the laptop functional.
C
Run a secure erase utility that overwrites all sectors with zeros.
Secure erase overwrites every sector, making data unrecoverable while leaving the drive intact and usable for the next lessee.
D
Physically shred the hard drive.
Why wrong: Shredding destroys the drive completely, preventing reuse. This does not meet the requirement for a functional laptop.

Full breakdown with real-world context →

Quick Answer

The answer is to run a secure erase utility that overwrites all sectors with zeros. This method is correct because it performs a full overwrite of every addressable sector on the drive, rendering previously stored data irrecoverable through forensic tools while leaving the drive’s firmware and electronic components fully intact and functional. On the CompTIA A+ Core 2 220-1202 exam, this scenario tests your understanding of the difference between data destruction and drive disposal; a common trap is choosing degaussing or physical shredding, which destroy the drive’s ability to operate. The key distinction is that a secure erase preserves the drive’s usability for the next lessee, meeting both the lease agreement’s requirement for irrecoverable data destruction and the need for a functional device. Memory tip: think “zeroes for lease, not release”—overwriting with zeros keeps the drive in service, while destruction methods release it from service permanently.

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

✓

Run a secure erase utility that overwrites all sectors with zeros.

Option C is correct because a secure erase utility that overwrites all sectors with zeros (e.g., using ATA Secure Erase or a tool like DBAN) renders the data irrecoverable by standard forensic methods while leaving the drive functional for the next lessee. This satisfies the lease agreement's requirement for data destruction without damaging the hardware. Quick formats only remove file system pointers, leaving data recoverable, while degaussing or physical destruction would render the laptop non-functional.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

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 of the hard drive.
Why it's wrong here
A quick format only clears the file system index, leaving actual data recoverable with forensic tools.
✗
Use a degausser to demagnetize the drive.
Why it's wrong here
Degaussing destroys the magnetic domains, making the drive unusable. This violates the requirement to keep the laptop functional.
✓
Run a secure erase utility that overwrites all sectors with zeros.
Why this is correct
Secure erase overwrites every sector, making data unrecoverable while leaving the drive intact and usable for the next lessee.
Related concept
Read the scenario before looking for a memorised answer.
✗
Physically shred the hard drive.
Why it's wrong here
Shredding destroys the drive completely, preventing reuse. This does not meet the requirement for a functional laptop.

Common exam traps

Common exam trap: answer the scenario, not the keyword

On the CompTIA A+ exam, candidates often confuse a quick format with a secure erase, assuming it removes data when it only removes the index. The key distinction is that a secure overwrite (e.g., zero-fill) preserves hardware functionality while making data irrecoverable.

Detailed technical explanation

How to think about this question

ATA Secure Erase is a command built into the drive's firmware that triggers an internal overwrite of all user-accessible sectors, including those in reallocated or bad block tables, ensuring complete data sanitization. Unlike software-based overwriting tools, it operates at the hardware level and cannot be interrupted by system crashes, making it the gold standard for functional drive sanitization. In real-world scenarios, this method is often mandated by compliance standards like NIST SP 800-88 for repurposing drives.

KKey Concepts to Remember

Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.

TExam Day Tips

Watch for words such as best, first, most likely and least administrative effort.
Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A practitioner preparing for the 220-1202 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this 220-1202 question test?

Data Destruction and Disposal — This question tests Data Destruction and Disposal — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Run a secure erase utility that overwrites all sectors with zeros. — Option C is correct because a secure erase utility that overwrites all sectors with zeros (e.g., using ATA Secure Erase or a tool like DBAN) renders the data irrecoverable by standard forensic methods while leaving the drive functional for the next lessee. This satisfies the lease agreement's requirement for data destruction without damaging the hardware. Quick formats only remove file system pointers, leaving data recoverable, while degaussing or physical destruction would render the laptop non-functional.

What should I do if I get this 220-1202 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

About these practice questions

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Same concept, more angles

1 more ways this is tested on 220-1202

These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.

Variation 1. A non-profit organization is upgrading its computers and wants to donate the old ones to a local school. The HDDs contain donor information that must be kept confidential. The organization wants the drives to be reusable. Which method should be used?

medium

A.Use a degausser to erase the drives.
B.Physically drill holes through the drive platters.
✓ C.Perform a full overwrite with zeros using disk-wiping software.
D.Delete all files and empty the recycle bin.

Why C: Option C is correct because performing a full overwrite with zeros using disk-wiping software ensures that all data on the HDDs is irrecoverably destroyed while leaving the drives functional for reuse. This method meets the organization's need for confidentiality (donor information) and reusability, as it overwrites every sector of the drive, including hidden areas like the HPA and DCO, with a known pattern (e.g., zeros or random data), making data recovery infeasible with standard tools.

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