Question: How can you recover from an unexpected data loss event? Check all that apply.

Answer: Recover data from damaged devices

Restore data from backups

Question: Where is it best to store backups, physically?

Answer: across multiple locations. Ideally, backups should be stored in multiple physical locations to reduce the risk of a catastrophe causing you to lose your backups. Typically, data would be backed up somewhere locally, and the backups would be replicated and stored off-site.

Question: Which of these should be included in your backups? Check all that apply.

Answer: Firewall config (YES)

Sales Database (YES)

Family vacation photos (NO)

Download folder (NO)

Question: What’s magnetic tape backup media best suited for?

Answer: Long term archival data. Magnetic tape media is very cheap, but it’s also super slow and inconvenient to retrieve data from. This makes it a good option for archiving old data that won’t be needed often.

Question: Why is it important to test backups and restoration procedures? Check all that apply.

Answer:

Question: Which of the following backup types are most space-efficient?

Answer: Incremental backup. Incremental backups are the most efficient. While they start with a full backup, on subsequent runs, they only backup the parts of files that have changed since the last run

Question: True or false: You can use a RAID array and use rsync to copy critical data to it for backups.

Answer: FALSE. RAID isn’t a replacement for a backup system. You may use a RAID array as a storage system in your backup server, but copying files to a RAID array won’t protect against data corruption or data deletion.