Backup and Recovery CV0-004 Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A backup administrator is troubleshooting a failed restore. The backup software reports that the checksum of the restored data does not match the checksum stored in the backup catalog. The administrator suspects the backup media has degraded. Which technique should the administrator use to attempt to recover the data?

   • AIgnore the checksum mismatch and use the restored data anyway.
   • BUse the backup software's error correction feature, such as Reed-Solomon or parity data, to reconstruct the corrupted blocks.
   • CReplace the backup media and re-run the backup job.
   • DRe-run the restore job and hope the media reads correctly this time.
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   A backup administrator notices that a nightly backup job reports a checksum mismatch on a single 4 KB block of a large file. The backup software supports block-level deduplication and error correction. What is the most appropriate action for the administrator to take?

   • ADelete the entire backup and start a new full backup.
   • BRe-run the backup job and hope the error is transient.
   • CIgnore the error because the backup software will correct it automatically.
   • DRestore the affected block from a previous backup version that has a valid checksum.
   Reveal Solution Discussion Select an answer first
4. 13foundation · easy

   How does version control help maintain data integrity across backups?

   • AIt encrypts data to prevent tampering
   • BIt allows recovery from a previous uncorrupted version
   • CIt reduces storage space by keeping only the latest version
   • DIt prevents data from being deleted
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   Why is encryption important when storing backups in the cloud?

   • AIt automatically backs up data
   • BIt reduces storage costs
   • CIt speeds up data transfer
   • DIt ensures data cannot be read by unauthorized parties
   Reveal Solution Discussion Select an answer first
6. 15application · medium

   A cloud administrator manages nightly backups for a virtual server that hosts a large database. The database contains many duplicate blocks that change infrequently. The administrator wants to reduce storage costs while ensuring that a corrupted block in one backup does not affect other backups. Which backup feature should the administrator enable?

   • AData deduplication with per-file checksums
   • BSynthetic full backup with versioning
   • CFull backup with compression
   • DIncremental backup with encryption
   Reveal Solution Discussion Select an answer first