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Question 1102 - CISA discussion

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When a data center is attempting to restore computing facilities at an alternative site following a disaster, which of the following should be restored FIRST?

A.
Data backups
Answers
A.
Data backups
B.
Decision support system
Answers
B.
Decision support system
C.
Operating system
Answers
C.
Operating system
D.
Applications
Answers
D.
Applications
Suggested answer: C

Explanation:

When a data center is attempting to restore computing facilities at an alternative site following a disaster, theoperating systemshould be restored FIRST. Here's why:

Operating System (OS):

The OS is the foundation of any computing environment. It manages hardware resources, provides essential services, and allows applications to run.

Restoring the OS ensures that the infrastructure is operational and ready for further recovery steps.

Without a functional OS, applications cannot execute, and data backups cannot be effectively restored.

Data Backups:

While data backups are critical for recovery, they depend on a working infrastructure.

If the OS is not operational, restoring data backups becomes challenging.

Data backups should follow the OS restoration.

Applications:

Applications rely on the OS to function.

Restoring applications before the OS may lead to compatibility issues or incomplete functionality.

Applications should be restored after ensuring a stable OS environment.

Decision Support System (DSS):

DSS is an application category.

It should follow the restoration of both the OS and critical applications.

In summary, prioritize restoring theoperating system, which forms the basis for subsequent recovery steps12. Once the OS is functional, proceed with data backups, applications, and other systems as needed.

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asked 18/09/2024
Ghalem benhameurlaine
31 questions
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