单选题Which new key architectural element introduced in WebLogic Server l2c should you take advantage of when designing Disaster Recovery Centers with active - passive mode?（）AMAN Clusters, because they would allow you to synchronously replicate state in low latency networks BWAN Clusters, because they would allow you to asynchronously replicate state in nonlow latency networks. CTransaction Log in the database, because you could avoid synchronizing two replication technologies (database and file) DData Guard, because it is the most effective way to replicate a state across locationsEGoldenGate, because it is the most effective way to replicate a state across locations
单选题
Which new key architectural element introduced in WebLogic Server l2c should you take advantage of when designing Disaster Recovery Centers with active - passive mode?（）
A
MAN Clusters, because they would allow you to synchronously replicate state in low latency networks
B
WAN Clusters, because they would allow you to asynchronously replicate state in nonlow latency networks.
C
Transaction Log in the database, because you could avoid synchronizing two replication technologies (database and file)
D
Data Guard, because it is the most effective way to replicate a state across locations
E
GoldenGate, because it is the most effective way to replicate a state across locations
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