Dell Data Protection and Management Foundations v2
Domain 3Objective 5
Describe Deduplication Granularities and Methods DATA-PROTECTION-MANAGEMENT-FOUNDATIONS Practice Questions (Page 1)
Part of the Data Backup and Deduplication domain, which accounts for 15% of the DATA-PROTECTION-MANAGEMENT-FOUNDATIONS exam.
7questions here
2free pages
2concepts
15%of the exam
Questions 1–5
- 1
A backup administrator is troubleshooting a deduplication system that is not achieving the expected storage savings. The system uses block-level deduplication with fixed-size blocks. The data consists of many files that are similar but not identical, and the files are frequently updated by inserting or deleting content. The administrator suspects the deduplication ratio is low because of boundary shifting. Which change is most likely to improve the deduplication ratio?
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A deduplication system determines chunk boundaries by analyzing the content of the data stream, so that the same chunk boundaries are identified even if data is inserted or deleted earlier in the stream. Which deduplication method does this describe?
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A storage administrator is comparing deduplication techniques. Which granularity level identifies duplicate data by comparing entire files as single units?
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A backup system divides files into fixed-size segments (e.g., 4 KB) and stores only unique segments. Which deduplication granularity does this describe?
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A deduplication system uses a cryptographic algorithm to generate a unique identifier for each data segment and compares these identifiers to find duplicates. Which deduplication method does this describe?
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