SK0-003 · Question #922
An administrator has had problems in the past with application servers after applying OS patches. Which of the following methodologies could be used to quickly restore a system to an operating state…
The correct answer is A. Virtual server snapshots. To quickly revert an application server to a previous stable state after problematic OS patches, virtual server snapshots are the most efficient method.
Question
An administrator has had problems in the past with application servers after applying OS patches. Which of the following methodologies could be used to quickly restore a system to an operating state if the OS patches cause an application to crash?
Options
- AVirtual server snapshots
- BOpen file backups
- CBare metal restores
- DCopy backup
How the community answered
(27 responses)- A93% (25)
- B4% (1)
- C4% (1)
Why each option
To quickly revert an application server to a previous stable state after problematic OS patches, virtual server snapshots are the most efficient method.
Virtual server snapshots capture the entire state, data, and configuration of a virtual machine at a specific point in time. If OS patches cause an application crash, an administrator can instantly revert the VM to a pre-patch snapshot, restoring the system to an operating state in minutes.
Open file backups are used to back up individual files or folders that are currently in use, not to revert an entire system's state.
Bare metal restores involve reinstalling an operating system and applications from a full backup, which is a much more time-consuming process than reverting a snapshot.
A copy backup simply creates a full backup without clearing archive bits and is not designed for quick system rollback.
Concept tested: Virtual machine snapshots for system rollback
Source: https://learn.microsoft.com/en-us/windows-server/virtualization/hyper-v/manage/use-checkpoints
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