In the Cloud Data Center Migration Scenario, Which of the Following

question 15

Multiple Choice

In the cloud data center migration scenario, which of the following statements about configuring eDevLUNs for heterogeneous virtualization is correct?

• A) The read/write policy of eDevLUNs "write-back" applies to random access services, ensuring that data in the cache is cached as long as possible to improve the read hit ratio.
• B) The default read/write policy of eDevLUNs is applicable to common services to balance the hit ratio and disk access performance.
• C) The read/write policy "Pairing" of eDevLUNs applies to sequential access services to release cache resources for other services as soon as possible.
• D) When the eDevLUN reads data, it reads the data to be read from the hard disk in advance based on the specified policy.

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Definitions:

Volume Based

A pricing or cost method where charges are dependent on the quantity of units produced or handled.

Forward Buying

The practice of purchasing stock in larger quantities than normal in anticipation of price increases or demand spikes.

Excess Inventory

The surplus of stock that exceeds the demand, leading to increased holding costs and potential obsolescence.

Total Cost

The complete sum of all costs associated with the production or provision of goods or services, including fixed and variable costs.