Dell-EMC
E20-880 · Question #1
E20-880 Question #1: Real Exam Question with Answer & Explanation
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Question
A pair of VNX storage arrays is replicating between two data centers over an iSCSI connection. The SQL Admin has noticed that a small OLTP database with a write size of 4k periodically experiences increased disk response times. The Storage Admin reports that during the same period, replication sessions are taking longer to complete. The Network Admin reports degraded performance between the sites during the same period. Why is the SQL application seeing increased disk response times from the local array?
Options
- AIncreased latency causes the MirrorView/A update cycles to take longer, increasing COFW
- BThe 64 KB chunk size for MirrorView/A does not match the small transaction size of the database,
- CThe MirrorView/A update cycle time is too short. It should be increased to improve write folding.
- DThe MirrorView/A buffer size should be adjusted to match the smaller write I/O size.
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