A Full Backup involves copying all data from a system, regardless of whether the data has changed since the last backup. This process ensures that a complete, standalone copy of all data is available, facilitating straightforward restoration without the need for additional backup sets.
Other Backup Types:
* A. Incremental Backup: This method backs up only the data that has changed since the last backup of any type (full or incremental). While it is storage-efficient and has a faster backup time, restoration requires all incremental backups since the last full backup, making the recovery process more time- consuming.
* B. Differential Backup: This approach backs up all data that has changed since the last full backup. It simplifies the restoration process compared to incremental backups, as only the last full backup and the latest differential backup are needed. However, it consumes more storage space and takes longer to perform as time progresses.
* C. Archive: Archiving involves moving data that is no longer actively used to a separate storage system for long-term retention. It is not a backup type but a data management process aimed at freeing up primary storage space.
* D. Snapshot: A snapshot captures the state of a system at a specific point in time. While it provides a quick way to restore a system to a previous state, it is typically stored on the same system and is not a substitute for a full backup.
In summary, the Full Backup is the only method that captures all data irrespective of changes, ensuring a comprehensive and independent data copy.
References:
CompTIA Server+ Certification Exam Objectives (SK0-005): Security and Disaster Recovery - Explain the importance of backups and restores