Backup types, recovery time and recovery point objectives, and high availability concepts tested on the CompTIA Cloud+ exam.
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- What does a full backup include?
- All data and system files on the device or server at the time the backup runs.
- What data does an incremental backup capture?
- Only data that has changed since the last backup of any kind.
- What data does a differential backup capture?
- Only data that has changed since the last full backup.
- What is a snapshot backup?
- A point-in-time copy of a system or volume state, capturing data at a specific moment.
- What is the primary purpose of an archive backup?
- Long-term retention of data for compliance, legal, or historical reasons.
- What is a cold backup?
- A backup taken while the system is offline or not actively running.
- What is a hot backup?
- A backup taken while the system or application continues running normally.
- What is a warm backup?
- A backup taken while the system is minimally active or in a standby state.
- What is Recovery Time Objective (RTO)?
- The maximum acceptable time allowed to restore a system or service after a failure.
- What is Recovery Point Objective (RPO)?
- The maximum acceptable amount of data loss, measured as the time since the last backup.
- What business metric does RTO primarily affect?
- Downtime cost and operational impact while services are unavailable.
- What business metric does RPO primarily affect?
- Data loss impact and the amount of work that must be redone after recovery.
- What is the goal of Business Continuity (BC)?
- To maintain critical business functions and services during and after a disruption.
- What is the goal of Disaster Recovery (DR)?
- To restore systems, data, and operations to their normal state after a major failure.
- What is High Availability (HA)?
- A system design that ensures services remain available with minimal downtime, typically through redundancy and failover.
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