GSEC · Question #198
You work as a Network Administrator for Net Soft Inc. You are designing a data backup plan for your company's network. The backup policy of the company requires high security and easy recovery of…
The correct answer is A. Take a full backup daily with the previous night's tape taken offsite. This question tests knowledge of backup strategies that simultaneously satisfy high security and ease of recovery requirements.
Question
You work as a Network Administrator for Net Soft Inc. You are designing a data backup plan for your company's network. The backup policy of the company requires high security and easy recovery of data. Which of the following options will you choose to accomplish this?
Options
- ATake a full backup daily with the previous night's tape taken offsite.
- BTake a full backup daily and use six-tape rotation.
- CTake a full backup on Monday and an incremental backup on each of the following weekdays.
- DTake a full backup on alternate days and keep rotating the tapes.
- ETake a full backup on Monday and a differential backup on each of the following weekdays. Keep
- FTake a full backup daily with one tape taken offsite weekly.
How the community answered
(42 responses)- A74% (31)
- B5% (2)
- C2% (1)
- E14% (6)
- F5% (2)
Why each option
This question tests knowledge of backup strategies that simultaneously satisfy high security and ease of recovery requirements.
Taking a full backup daily ensures the simplest and fastest recovery because only a single tape is needed to restore all data. Moving the previous night's tape offsite provides high security by protecting data against on-site disasters such as fire or theft. This combination directly addresses both requirements of the policy.
A six-tape rotation keeps all tapes on-site, which fails the high-security requirement because no offsite copy protects against physical site loss.
Incremental backups require restoring the last full backup plus every subsequent incremental tape in sequence, making recovery significantly more complex and time-consuming.
Taking full backups only on alternate days means a data loss window of up to two days, reducing recovery completeness and failing the easy-recovery standard.
While differential backups simplify recovery compared to incrementals, the answer as presented is incomplete and does not specify a daily full backup or a consistent offsite rotation policy.
Taking a tape offsite only once per week leaves up to six days of backups unprotected against an on-site disaster, which does not meet the high-security requirement.
Concept tested: Backup strategy selection balancing security and recovery ease
Source: https://learn.microsoft.com/en-us/azure/backup/backup-overview
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