Backups and Restores XK0-006 Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   What is the key difference between incremental and differential backups?

   • AIncremental backups only back up changes since the last backup (of any type), while differential backups back up changes since the last full backup
   • BIncremental backups are faster to restore than differential backups
   • CDifferential backups only back up files that have not changed since the last full backup
   • DIncremental backups require more storage space than differential backups
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   An administrator needs to restore a single file, /etc/hosts, from a backup archive named system.tar. Which command accomplishes this?

   • Atar -cf system.tar /etc/hosts
   • Btar -xf /etc/hosts system.tar
   • Ctar -tf system.tar /etc/hosts
   • Dtar -xf system.tar /etc/hosts
   Reveal Solution Discussion Select an answer first
4. 23application · medium

   A small business wants to back up its critical documents daily. The backup must be fast and use minimal storage space, but the business can tolerate losing up to one day of changes. Which backup strategy best meets these requirements?

   • AFull backup every day
   • BSynthetic full backup every day
   • CIncremental backup every day with a full backup on Sunday
   • DDifferential backup every day with a full backup on Sunday
   Reveal Solution Discussion Select an answer first
5. 24expert · hard

   A backup administrator is creating a script that performs a full backup on the first day of the month and incremental backups on other days. The script uses tar with the --listed-incremental option and a snapshot file. The administrator wants to ensure that the snapshot file is reset at the beginning of each month. Which approach is most appropriate?

   • AKeep the snapshot file and let tar handle it automatically
   • BCreate a new snapshot file for each backup
   • CDelete the snapshot file before the full backup
   • DUse a different snapshot file for full and incremental backups
   Reveal Solution Discussion Select an answer first
6. 25foundation · easy

   What is the primary advantage of automating backups with cron jobs?

   • ABackups are verified automatically after creation
   • BBackups are automatically compressed to save space
   • CBackups are stored in the cloud automatically
   • DBackups are performed consistently without manual intervention
   Reveal Solution Discussion Select an answer first