// For Developer Machine single instance
CREATE KEYSPACE authz
  WITH REPLICATION = {'class' : 'SimpleStrategy','replication_factor':1};
// 
//
 
// Example of Network Topology, with Datacenter dc1 & dc2
// CREATE KEYSPACE authz WITH replication = { 'class': 'NetworkTopologyStrategy', 'dc1': '2', 'dc2': '2' };
//