Huawei Certified ICT Associate – Cloud Service v3 (HCIA-Cloud Service) — Question 3

Which statements are correct about snapshot and clone technologies? (Choose all that apply.)

Answer options

• A. Compared with snapshots, clones are complete copies of source data, therefore, reading and writing clones do not affect the original data.
• B. Secure snapshots (unmodifiable snapshots) can be used to prevent ransomware.
• C. Snapshots and clones are mainly used in data protection scenarios.
• D. Snapshots can be used for incremental backup.

Correct answer: A, B, C, D

Explanation

Answer A is correct because clones are independent copies, unlike snapshots which are linked to the original data. Answer B is accurate as secure snapshots prevent unauthorized changes, thus helping against ransomware. Answer C is true since both technologies are designed for data protection purposes, and answer D is correct as snapshots facilitate incremental backups by capturing changes since the last snapshot.