A distributed database can use which of the following strategies?

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A distributed database can use which of the following strategies?

Options:

A . Totally centralized at one location and accessed by many sites

B . Partially or totally replicated across sites

C . All of these

D . Partitioned into segments at different sites

Answer: Option C

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More Questions on This Topic :

Question 1. Which of the following is a disadvantage of replication?....

Question 2. With failure transparency, all of the actions of a transaction are committed or none of them are committed.....

Question 3. Replication may use either synchronous or asynchronous distributed database technologies, although asynchronous technolo....although asynchronous technologies are more typical in a replicated environment.

Question 4. Each site (or node) in a distributed system is subject to the same types of failure as in a centralized system.....

Question 5. Synchronization for pull replication is less disruptive and occurs only when needed by each site, not when a central mas....a central master site thinks it is best to update.

Question 6. With asynchronous technology, if any copy of a data item is updated anywhere on the network, the same update is immediat....immediately applied to all other copies or it is aborted.

Question 7. The purpose of timestamping is to avoid the use of locks.....

Question 8. Asynchronous technology can result in unsatisfactorily slow response time because the distributed DBMS is spending consi....an update is accurately and completely propagated across the network.

Question 9. An increasingly popular option for data distribution as well as for fault tolerance of any database is to store a separa....of the database at each of two or more sites.

Question 10. Databases that are stored on computers at multiple locations and are not interconnected by a network are known as distri....not interconnected by a network are known as distributed databases.

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