Distributed Databases Replication may use either synchronous or asynchronous distributed database technologies, although asynchronous technologies are more typical in a replicated environment. True False True False ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases A homogenous distributed database is which of the following? A different DBMS is used at each location and data are not distributed across all nodes. The same DBMS is used at each location and data are not distributed across all nodes. The same DBMS is used at each location and data are 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. The same DBMS is used at each location and data are not distributed across all nodes. The same DBMS is used at each location and data are distributed across all nodes. A different DBMS is used at each location and data are distributed across all nodes. ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases Which of the following is a disadvantage of replication? Each site must have the same storage capacity. Reduced network traffic Each transaction may proceed without coordination across the network. If the database fails at one site, a copy can be located at another site. Each site must have the same storage capacity. Reduced network traffic Each transaction may proceed without coordination across the network. If the database fails at one site, a copy can be located at another site. ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases The problem of concurrency control is more complex in a distributed database. False True False True ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases The purpose of timestamping is to avoid the use of locks. True False True False ANSWER DOWNLOAD EXAMIANS APP
Distributed Databases A distributed unit of work allows various statements within a unit of work to refer to multiple remote DBMS locations. True False True False ANSWER DOWNLOAD EXAMIANS APP
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