Backup And Disaster Recovery Basics
- 1."We Have Backups" Isn't the Same as "We Can Recover"
- 2.Backup Types: Full, Incremental & Differential — What Each One Actually Trades Off
- 3.The 3-2-1 Rule, and Why a Backup Stored With What It Protects Doesn't Count
- 4.Verifying a Backup Actually Ran: Reading Job Logs Without Assuming Silence Means Success
- 5.Test Restores: The Only Real Proof a Backup Works
- 6.RTO & RPO in Plain Terms: Setting Recovery Expectations Before You Need Them
- 7.Common Restore Failures and Why They Happen
- 8.Backups Are a Target Too: Encryption, Access Control & Ransomware-Aware Retention
- 9.Communicating Honestly During a Data-Loss Incident
- 10.Capstone — Three Data-Loss Tickets, Start to Finish
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Exercise Solutions
backup1-1_challenge1.txtbackup1-1_challenge2.txtbackup1-1_challenge3.txtbackup1-2_challenge1.txtbackup1-2_challenge2.txtbackup1-2_challenge3.txtbackup1-3_challenge1.txtbackup1-3_challenge2.txtbackup1-3_challenge3.txtbackup1-4_challenge1.txtbackup1-4_challenge2.txtbackup1-4_challenge3.txtbackup1-5_challenge1.txtbackup1-5_challenge2.txtbackup1-5_challenge3.txtbackup1-6_challenge1.txtbackup1-6_challenge2.txtbackup1-6_challenge3.txtbackup1-7_challenge1.txtbackup1-7_challenge2.txtbackup1-7_challenge3.txtbackup1-8_challenge1.txtbackup1-8_challenge2.txtbackup1-8_challenge3.txtbackup1-9_challenge1.txtbackup1-9_challenge2.txtbackup1-9_challenge3.txtbackup1-10_challenge1.txtbackup1-10_challenge2.txtbackup1-10_challenge3.txt