220-1102 Operational Procedures Practice Question
A technician needs to back up a user's data before upgrading the operating system from Windows 10 to Windows 11. The user has a large folder with documents, photos, and saved games. The technician will use an external USB drive formatted as NTFS. The goal is to secure a single point-in-time copy quickly and completely. Which backup method should the technician choose?
⚠ Common exam trap
Many exam-takers confuse backup methods based on speed or storage efficiency, but the question specifically requires a single point-in-time copy, which only a full backup provides, not incremental or differential.
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
✓
Full backup
A full backup creates a complete copy of all selected data at a single point in time, which meets the requirement for a quick and complete snapshot before the OS upgrade. Since the external drive is NTFS-formatted, it can handle large files and preserve permissions, making the full backup the most straightforward and reliable method for this scenario.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Full backup
Why this is correct
A full backup creates a complete snapshot of every file and folder in the selected scope, including system files, user profiles, and application data. For an OS upgrade, this ensures that if the upgrade fails or corrupts data, you can restore the entire environment without relying on any prior backup sets. Because it is self-contained and does not depend on a baseline, a full backup is the only reliable choice for a one-time pre-upgrade backup.
- ✗
Incremental backup
Why it's wrong here
An incremental backup stores only files that have changed since the last backup (full or incremental), so it has no baseline and cannot restore the complete dataset on its own. In the context of a one-time OS upgrade, you need a standalone backup that contains all data; an incremental without a preceding full backup is meaningless. Even with a previous full backup, the recovery process would require restoring multiple backup sets in sequence, adding unnecessary complexity and risk.
- ✗
Differential backup
Why it's wrong here
A differential backup captures all files changed since the last full backup, meaning it always references a prior full backup. If no full backup exists, a differential contains only a partial set of changes and cannot form a complete backup. For a single upgrade before an OS migration, this approach forces you to locate and restore an older full backup, which may not be current or may even be missing, making it unsuitable for a standalone backup.
- ✗
Copy and paste
Why it's wrong here
Manually copying files via copy-and-paste often excludes hidden and system files, and it does not preserve file permissions, ownership, or other metadata critical to a successful restore. It also fails to capture files that are locked or in use by the OS, and there is no validation of whether the copied data is complete or uncorrupted. For an OS upgrade, this method is highly error-prone and does not provide the consistent, verifiable snapshot that a full backup offers.
Go deeper
Related to this question
Learn chapter
Windows Shares and NTFS Permissions
Key term
NTFS
NTFS (New Technology File System) is a file system used by Windows to organize and control how data is stored, retrieved, and secured on a hard drive or SSD.
Key term
Backup
A backup is a copy of computer data taken and stored separately so that the original data can be restored if it is lost, damaged, or corrupted.
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Same concept, more angles
1 more way this is tested on 220-1102
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. Match each backup method to its description.
medium- ✓ A.Full backup: Copies all selected data; longest backup time but fastest restore.
- ✓ B.Incremental backup: Copies data changed since the last backup of any type; requires last full and all incrementals for restore.
- ✓ C.Differential backup: Copies data changed since the last full backup; restore requires last full and the latest differential.
- D.Incremental backup: Copies data changed since the last full backup; restore requires last full and all differentials.
Why A: In backup methods, a full backup copies all data; incremental copies changes since last backup (any type); differential copies changes since last full. The distractor swaps incremental and differential definitions.
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.