
EC-CouncilNetwork Defense Essentials
Domain 6Objective 4
Data Backup and Retention NDE Practice Questions (Page 2)
Part of the Cryptography, PKI, and Data Security domain, which makes up ~15% of our current practice bank.
34questions here
7free pages
9concepts
Questions 6–10
- 6
A financial services firm must recover its trading database within 30 minutes of a failure, but the database is 5 TB and changes constantly. The firm has a secondary data center 200 miles away with a 1 Gbps link. The current backup strategy is a nightly full backup to local disk and a weekly copy to the remote site. The RTO is not being met. Which strategy would best meet the RTO while maintaining an offsite copy?
Select an answer first - 7
How do backups and retention policies support disaster recovery (DR) and business continuity (BC) plans?
Select an answer first - 8
A financial services company must retain customer transaction records for seven years per regulatory requirements. After that period, they want to keep the data for potential internal analytics but do not need rapid access. Which approach best satisfies both needs?
Select an answer first - 9
An organization performs nightly backups to an on-premises NAS and has never tested a restore. After a server failure, they discover the backup software reported success but the restore fails because the backup files are corrupt. Which practice would have most likely prevented this situation?
Select an answer first - 10
Which backup storage medium is known for its low cost per gigabyte and long-term archival stability, but typically has slower access times?
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