EMC Proven Professional – PowerMax Specialist — Question 44

A storage administrator is tasked with creating a DR solution for block and file storage resources. The company has multiple regional and international sites containing a mix of physical and virtual Dell EMC Unity systems.
What are considerations for the storage administrator in creating the DR solution?

Answer options

• A. Synchronous remote replication should be restricted to within 100 km between sites to keep latency below ms Block storage resources can be replicated synchronously and asynchronously
• B. Asynchronous replication ensures zero data loss the remote replica in disaster conditions Block storage resources can be replicated synchronously and asynchronously
• C. Asynchronous replication over long-distance does not impact latency Asynchronous replication ensures zero data loss to the remote replica in disaster conditions
• D. Synchronous remote replication should be restricted to within 100 km between sites to keep latency below 10 ms File and block storage resources can be replicated synchronously and asynchronously

Correct answer: C

Explanation

The correct answer is C because it accurately states that asynchronous replication over long distances does not negatively impact latency and guarantees no data loss during disasters. Option A incorrectly suggests a maximum distance for synchronous replication, while B misrepresents the capabilities of asynchronous replication by claiming it ensures zero data loss. Option D also incorrectly limits synchronous replication to a specific distance.