Distributed Databases
A homogenous distributed database is which of the following?

The same DBMS is used at each location and data are distributed across all nodes.
The same DBMS is used at each location and data are not distributed across all nodes.
A different DBMS is used at each location and data are distributed across all nodes.
A different DBMS is used at each location and data are not distributed across all nodes.

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

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

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Distributed Databases
Which of the following is a disadvantage of replication?

Each site must have the same storage capacity.
If the database fails at one site, a copy can be located at another site.
Each transaction may proceed without coordination across the network.
Reduced network traffic

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