EC-Council CCT Lab – Cold Backup Technique

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Lab Environment — Scenario

Ryleigh, a system administrator, was instructed to perform a full back up of organizational data on a regular basis. For this purpose, she used a backup technique on a fixed date when the employees are not accessing the system i.e., when a service-level down time is allowed a full backup is taken.

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Backup Process Simulation

backup-scheduler.log

[SAT 02:00] SCHEDULER — Backup window started

[SAT 02:01] SYSTEM — All user sessions terminated

[SAT 02:02] SERVICES — Database services stopped

[SAT 02:03] STATUS — System offline — downtime active

[SAT 02:04] BACKUP — Full cold backup initiated...

[SAT 04:30] BACKUP — Full backup completed (128 GB)

[SAT 04:31] SERVICES — All services restored — system online

⏸ Backup performed during scheduled downtime — no active users on system

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Identify the backup technique utilized by Ryleigh in the above scenario.

A Nearline backup

B Cold backup

C Hot backup

D Warm backup

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Mini Lesson — Cold Backup

01 — Definition

What is a Cold Backup?

A cold backup (also called an offline backup) is a backup performed while the system or database is completely shut down and not accessible to users. No read or write operations occur during the process.

02 — How It Works

Process

The system is taken offline during a scheduled maintenance window. All services are stopped, users are disconnected, and a full copy of all data files is made. Once complete, the system is brought back online.

03 — Why It Matters

Significance

Cold backups produce the most consistent and reliable copies because no data is being modified during the process. This eliminates the risk of capturing data in a partially written or inconsistent state.

04 — Real-World Example

In Practice

A company schedules a full database backup every Saturday at 2 AM when no employees are working. All services are stopped, the backup runs for two hours, and then everything is restored before Monday morning.

05 — Key Takeaway

Remember This

Cold backup = system offline. It trades availability (downtime) for data integrity (clean, consistent copy). If the scenario mentions scheduled downtime with no users, it is a cold backup.