SK0-003 · Question #337
Which of the following backup methods should be used nightly to ensure backups capture all necessary data in the LEAST amount of time?
The correct answer is B. Incremental. To ensure nightly backups capture all necessary data in the least amount of time, an incremental backup method should be utilized.
Question
Which of the following backup methods should be used nightly to ensure backups capture all necessary data in the LEAST amount of time?
Options
- ADaily
- BIncremental
- CNormal
- DDifferential
How the community answered
(25 responses)- A4% (1)
- B92% (23)
- C4% (1)
Why each option
To ensure nightly backups capture all necessary data in the least amount of time, an incremental backup method should be utilized.
Daily refers to a backup frequency, not a specific backup method describing how data is copied.
An incremental backup copies only the data that has changed since the last full or incremental backup. This method ensures that the backup process takes the least amount of time nightly because it processes the smallest dataset, primarily focusing on new or modified files.
A normal (full) backup copies all selected data regardless of its archive bit, taking the longest amount of time among backup methods.
A differential backup copies all data that has changed since the last full backup, which can grow significantly over time and take longer than an incremental backup each night.
Concept tested: Backup methods - Incremental vs. Full vs. Differential
Source: https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/manage/ad-backup-restore-concepts#_types_of_backups
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