What is the goal of a business continuity solution?

Which layer of the OSI model provides the functional and procedural methods to transfer data between network entities?

An organization plans to deploy a deduplication solution in their data center environment They are concerned about the application servers' performance and a long backup window during backups. However, they want to retain their existing backup application.
Which deduplication solution(s) should be recommended?

What is a function of a Fibre Channel Forwarder in an FCoE SAN?

Which type of zoning does the "X" represent?