Distributed Databases
A distributed database can use which of the following strategies?

Totally centralized at one location and accessed by many sites
Partitioned into segments at different sites
All of these
Partially or totally replicated across sites

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Distributed Databases
Replication should be used when which of the following exist?

When transmission speeds and capacity in a network prohibit frequent refreshing of large tables.
When using many nodes with different operating systems and DBMSs and database designs.
The application's data can be somewhat out-of-date.
All of these

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Distributed Databases
An autonomous homogenous environment is which of the following?

The same DBMS is at each node and each DBMS works independently.
A different DBMS is at each node and a central DBMS coordinates database access.
The same DBMS is at each node and a central DBMS coordinates database access.
A different DBMS is at each node and each DBMS works independently.

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