You need to recommend changes to the messaging infrastructure. The changes must meet
the connectivity requirements after the planned upgrade. Which two actions should you
recommend? Each correct answer presents part of the solution.

You need to recommend changes to the existing environment to meet the high-availability requirements for the
mailbox databases. What should you recommend?

You deploy Layer 7 load balancers to the New York and London offices.
You are planning the namespace configuration that will be used once you complete the planned upgrade to
Exchange Server 2016.
You need to recommend a solution to meet the connectivity requirements for the namespaces.
What should you recommend?