Based on the assessment of the current company infrastructure, which design option is best for remote access?

A.
Deploy six NetScaler appliances: two in New York, two in Hong Kong, and two in London.
B.
Deploy three NetScaler appliances: one in each datacenter.
C.
Deploy two NetScaler appliances: one in London and one in New York.
D.
Deploy one pair of NetScaler appliances in the London failover datacenter.