You need to recommend changes to the proposed Lync server design to meet the companys availability requirements for SQL services. What should you include in the recommendation?

A.
Network Load Balancing (NLB)

B.
DNS load balancing

C.
log shipping

D.
Failover Clustering

Explanation:
The only viable SQL resilience option is Failover Clustering, any MS DBA will tell you that. Need a prooflink – search Technet.