Huawei V3 series storage system hardware includes controller enclosures and disk enclosures. Which of the following statements about controller enclosures is correct?

Statement 1: LAN based backup strategies are preferred as they are the most cost efficient method and offer the highest performance.
Statement 2: Any backup strategy should provide in storing production data and backup data in different physical locations.

In the HUAWEI OceanStor storage system, a customer plans to deploy 3 sets of systems, a set of business systems, to run Oracle database, which requires high random read and write performance; a mail system for daily mail processing; a video system System to save long-term archived videos. When creating LUNs for each system separately, the following about SmartTier policy settings the correct one is? (Multiple choice)

Which of the following best describes the relationship between the storage and host in DAS?

Which of the following describes the file access protocol correctly? (Multiple choice)