Which configuration is a valid distributed database (DB) implementation?

Which configuration is a valid distributed database (DB) implementation?
A . 2 main DBs, 1 application server, 2 node servers
B. 1 main DB, 1 application server, 3 node servers
C. 2 application servers, 1 main DB, 1 node server
D. 1 application server, 2 main DBs, 1 node server

View Answer

Answer: B