The Chief Information Security Officer of an organization needs to ensure recovery from ransomware would likely occur within the organization's agreed-upon RPOs end RTOs. Which of the following backup scenarios would best ensure recovery?
A.
Hourly differential backups stored on a local SAN array
B.
Dally full backups stored on premises in magnetic offline media
C.
Daly differential backups maintained by a third-party cloud provider
D.
Weekly full backups with daily incremental stored on a NAS drive
A backup strategy that combines weekly full backups with daily incremental backups stored on a NAS (Network Attached Storage) drive is likely to meet an organization's Recovery Point Objectives (RPOs) and Recovery Time Objectives (RTOs). This approach ensures that recent data is regularly backed up and that recovery can be done efficiently, without significant data loss or lengthy downtime.
References =
CompTIA Security+ SY0-701 Course Content: Domain 05 Security Program Management and Oversight​.
CompTIA Security+ SY0-601 Study Guide: Chapter on Disaster Recovery and Backup Strategies​.
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