MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -The most common backup types are a full backup, incremental backup and differential backup. Other backup types include synthetic full backups and mirroring. In the debate over cloud vs. local backup, there are some types of backup that are better in certain locations.

Detailed explanation-2: -Keep at least three (3) copies of your data Keeping 3 copies of data is the bare minimum required to ensure that you can recover in any failure scenario, keep recovery objectives low and avoid a single point of failure.

Detailed explanation-3: -There are mainly three types of backup: full, differential, and incremental.

Detailed explanation-4: -Backup storage devices are disk-based hardware appliances bundled with specialized software that manages encryption, network connectivity, data deduplication and compression. A remote backup appliance (outside of a corporate data center) helps provide business continuity and disaster recovery.