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H13-629_V3.0 · Question #785
H13-629_V3.0 Question #785: Real Exam Question with Answer & Explanation
The correct answer is A. Each IO is very small, 2KB~8KB B. The location of hard disk data access is very random C. At least 30% of the data is random write operations D. REDO log (redo log file) writing is very necessary. See the full explanation below for the reasoning.
Question
A bank built two active-active data centers to carry Internet services. During the system testing phase, storage engineers analyzed the test information. Which of the following can explain that the bank's Internet services conform to the OLTP model? (Multiple choice)
Options
- AEach IO is very small, 2KB~8KB
- BThe location of hard disk data access is very random
- CAt least 30% of the data is random write operations
- DREDO log (redo log file) writing is very necessary
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